diff --git a/CMakeLists.txt b/CMakeLists.txt index c4d7b3976..5e342e42e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -55,6 +55,7 @@ set(ZIG_PREFER_CLANG_CPP_DYLIB off CACHE BOOL "Try to link against -lclang-cpp") set(ZIG_WORKAROUND_4799 off CACHE BOOL "workaround for https://github.com/ziglang/zig/issues/4799") set(ZIG_WORKAROUND_POLLY_SO off CACHE STRING "workaround for https://github.com/ziglang/zig/issues/4799") set(ZIG_USE_CCACHE off CACHE BOOL "Use ccache if available") +set(ZIG_WORKAROUND_6087 off CACHE BOOL "workaround for https://github.com/ziglang/zig/issues/6087") if(CCACHE_PROGRAM AND ZIG_USE_CCACHE) SET_PROPERTY(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}") @@ -84,6 +85,11 @@ if(APPLE AND ZIG_STATIC) list(APPEND LLVM_LIBRARIES "${ZLIB}") endif() +if(APPLE AND ZIG_WORKAROUND_6087) + list(REMOVE_ITEM LLVM_LIBRARIES "-llibxml2.tbd") + list(APPEND LLVM_LIBRARIES "-lxml2") +endif() + if(APPLE AND ZIG_WORKAROUND_4799) # eg: ${CMAKE_PREFIX_PATH} could be /usr/local/opt/llvm/ list(APPEND LLVM_LIBRARIES "-Wl,${CMAKE_PREFIX_PATH}/lib/libPolly.a" "-Wl,${CMAKE_PREFIX_PATH}/lib/libPollyPPCG.a" "-Wl,${CMAKE_PREFIX_PATH}/lib/libPollyISL.a") diff --git a/README.md b/README.md index 242f78d59..ed31cbb1d 100644 --- a/README.md +++ b/README.md @@ -73,7 +73,12 @@ or [error: unable to create target: 'Unable to find target for this triple (no targets are registered)'](https://github.com/ziglang/zig/issues/5055), in which case try `-DZIG_WORKAROUND_4799=ON` -Hopefully this will be fixed upstream with LLVM 10.0.1. +This has been fixed upstream with LLVM 10.0.1. + +Building with LLVM 10.0.1 you might run into this problem: +`ld: library not found for -llibxml2.tbd` +[Building with LLVM 10.0.1 installed via Homebrew fails](https://github.com/ziglang/zig/issues/6087), +in which case you can try `-DZIG_WORKAROUND_6087=ON`. ##### Windows diff --git a/doc/langref.html.in b/doc/langref.html.in index 870764f05..22faf7fd8 100644 --- a/doc/langref.html.in +++ b/doc/langref.html.in @@ -1841,7 +1841,7 @@ const Point = struct { y: i32, }; -test "compile-time array initalization" { +test "compile-time array initialization" { assert(fancy_array[4].x == 4); assert(fancy_array[4].y == 8); } @@ -8468,30 +8468,23 @@ test "integer truncation" {
  • {#syntax#}@TypeOf(null){#endsyntax#}
  • {#link|Arrays#}
  • {#link|Optionals#}
  • +
  • {#link|Error Set Type#}
  • {#link|Error Union Type#}
  • {#link|Vectors#}
  • {#link|Opaque Types#}
  • -
  • AnyFrame
  • - -

    - For these types it is a - TODO in the compiler to implement: -

    - -

    - For these types, {#syntax#}@Type{#endsyntax#} is not available. - There is an open proposal to allow unions and structs. -

    - +

    + For these types, {#syntax#}@Type{#endsyntax#} is not available: +

    + {#header_close#} {#header_open|@typeInfo#} diff --git a/lib/std/build.zig b/lib/std/build.zig index 353862914..b2da9da33 100644 --- a/lib/std/build.zig +++ b/lib/std/build.zig @@ -1165,6 +1165,11 @@ pub const FileSource = union(enum) { } }; +const BuildOptionArtifactArg = struct { + name: []const u8, + artifact: *LibExeObjStep, +}; + pub const LibExeObjStep = struct { step: Step, builder: *Builder, @@ -1210,6 +1215,7 @@ pub const LibExeObjStep = struct { out_pdb_filename: []const u8, packages: ArrayList(Pkg), build_options_contents: std.ArrayList(u8), + build_options_artifact_args: std.ArrayList(BuildOptionArtifactArg), system_linker_hack: bool = false, object_src: []const u8, @@ -1355,6 +1361,7 @@ pub const LibExeObjStep = struct { .framework_dirs = ArrayList([]const u8).init(builder.allocator), .object_src = undefined, .build_options_contents = std.ArrayList(u8).init(builder.allocator), + .build_options_artifact_args = std.ArrayList(BuildOptionArtifactArg).init(builder.allocator), .c_std = Builder.CStd.C99, .override_lib_dir = null, .main_pkg_path = null, @@ -1810,6 +1817,13 @@ pub const LibExeObjStep = struct { out.print("pub const {} = {};\n", .{ name, value }) catch unreachable; } + /// The value is the path in the cache dir. + /// Adds a dependency automatically. + pub fn addBuildOptionArtifact(self: *LibExeObjStep, name: []const u8, artifact: *LibExeObjStep) void { + self.build_options_artifact_args.append(.{ .name = name, .artifact = artifact }) catch unreachable; + self.step.dependOn(&artifact.step); + } + pub fn addSystemIncludeDir(self: *LibExeObjStep, path: []const u8) void { self.include_dirs.append(IncludeDir{ .RawPathSystem = self.builder.dupe(path) }) catch unreachable; } @@ -2004,7 +2018,15 @@ pub const LibExeObjStep = struct { } } - if (self.build_options_contents.items.len > 0) { + if (self.build_options_contents.items.len > 0 or self.build_options_artifact_args.items.len > 0) { + // Render build artifact options at the last minute, now that the path is known. + for (self.build_options_artifact_args.items) |item| { + const out = self.build_options_contents.writer(); + out.print("pub const {}: []const u8 = ", .{item.name}) catch unreachable; + std.zig.renderStringLiteral(item.artifact.getOutputPath(), out) catch unreachable; + out.writeAll(";\n") catch unreachable; + } + const build_options_file = try fs.path.join( builder.allocator, &[_][]const u8{ builder.cache_root, builder.fmt("{}_build_options.zig", .{self.name}) }, diff --git a/lib/std/crypto.zig b/lib/std/crypto.zig index 3a1ae599a..576334872 100644 --- a/lib/std/crypto.zig +++ b/lib/std/crypto.zig @@ -35,12 +35,23 @@ pub const onetimeauth = struct { pub const Poly1305 = @import("crypto/poly1305.zig").Poly1305; }; -/// A Key Derivation Function (KDF) is intended to turn a weak, human generated password into a -/// strong key, suitable for cryptographic uses. It does this by salting and stretching the -/// password. Salting injects non-secret random data, so that identical passwords will be converted -/// into unique keys. Stretching applies a deliberately slow hashing function to frustrate -/// brute-force guessing. -pub const kdf = struct { +/// A password hashing function derives a uniform key from low-entropy input material such as passwords. +/// It is intentionally slow or expensive. +/// +/// With the standard definition of a key derivation function, if a key space is small, an exhaustive search may be practical. +/// Password hashing functions make exhaustive searches way slower or way more expensive, even when implemented on GPUs and ASICs, by using different, optionally combined strategies: +/// +/// - Requiring a lot of computation cycles to complete +/// - Requiring a lot of memory to complete +/// - Requiring multiple CPU cores to complete +/// - Requiring cache-local data to complete in reasonable time +/// - Requiring large static tables +/// - Avoiding precomputations and time/memory tradeoffs +/// - Requiring multi-party computations +/// - Combining the input material with random per-entry data (salts), application-specific contexts and keys +/// +/// Password hashing functions must be used whenever sensitive data has to be directly derived from a password. +pub const pwhash = struct { pub const pbkdf2 = @import("crypto/pbkdf2.zig").pbkdf2; }; @@ -48,6 +59,13 @@ pub const kdf = struct { pub const core = struct { pub const aes = @import("crypto/aes.zig"); pub const Gimli = @import("crypto/gimli.zig").State; + + /// Modes are generic compositions to construct encryption/decryption functions from block ciphers and permutations. + /// + /// These modes are designed to be building blocks for higher-level constructions, and should generally not be used directly by applications, as they may not provide the expected properties and security guarantees. + /// + /// Most applications may want to use AEADs instead. + pub const modes = @import("crypto/modes.zig"); }; /// Elliptic-curve arithmetic. @@ -100,6 +118,7 @@ test "crypto" { _ = @import("crypto/gimli.zig"); _ = @import("crypto/hmac.zig"); _ = @import("crypto/md5.zig"); + _ = @import("crypto/modes.zig"); _ = @import("crypto/pbkdf2.zig"); _ = @import("crypto/poly1305.zig"); _ = @import("crypto/sha1.zig"); diff --git a/lib/std/crypto/aes.zig b/lib/std/crypto/aes.zig index 2174fbdd4..7c509b297 100644 --- a/lib/std/crypto/aes.zig +++ b/lib/std/crypto/aes.zig @@ -3,249 +3,44 @@ // This file is part of [zig](https://ziglang.org/), which is MIT licensed. // The MIT license requires this copyright notice to be included in all copies // and substantial portions of the software. -// Based on Go stdlib implementation const std = @import("../std.zig"); -const mem = std.mem; const testing = std.testing; +const builtin = std.builtin; -// Apply sbox0 to each byte in w. -fn subw(w: u32) u32 { - return @as(u32, sbox0[w >> 24]) << 24 | @as(u32, sbox0[w >> 16 & 0xff]) << 16 | @as(u32, sbox0[w >> 8 & 0xff]) << 8 | @as(u32, sbox0[w & 0xff]); -} +const has_aesni = comptime std.Target.x86.featureSetHas(std.Target.current.cpu.features, .aes); +const has_avx = comptime std.Target.x86.featureSetHas(std.Target.current.cpu.features, .avx); +const impl = if (std.Target.current.cpu.arch == .x86_64 and has_aesni and has_avx) @import("aes/aesni.zig") else @import("aes/soft.zig"); -fn rotw(w: u32) u32 { - return w << 8 | w >> 24; -} - -// Encrypt one block from src into dst, using the expanded key xk. -fn encryptBlock(xk: []const u32, dst: []u8, src: []const u8) void { - var s0 = mem.readIntBig(u32, src[0..4]); - var s1 = mem.readIntBig(u32, src[4..8]); - var s2 = mem.readIntBig(u32, src[8..12]); - var s3 = mem.readIntBig(u32, src[12..16]); - - // First round just XORs input with key. - s0 ^= xk[0]; - s1 ^= xk[1]; - s2 ^= xk[2]; - s3 ^= xk[3]; - - // Middle rounds shuffle using tables. - // Number of rounds is set by length of expanded key. - var nr = xk.len / 4 - 2; // - 2: one above, one more below - var k: usize = 4; - var t0: u32 = undefined; - var t1: u32 = undefined; - var t2: u32 = undefined; - var t3: u32 = undefined; - var r: usize = 0; - while (r < nr) : (r += 1) { - t0 = xk[k + 0] ^ te0[@truncate(u8, s0 >> 24)] ^ te1[@truncate(u8, s1 >> 16)] ^ te2[@truncate(u8, s2 >> 8)] ^ te3[@truncate(u8, s3)]; - t1 = xk[k + 1] ^ te0[@truncate(u8, s1 >> 24)] ^ te1[@truncate(u8, s2 >> 16)] ^ te2[@truncate(u8, s3 >> 8)] ^ te3[@truncate(u8, s0)]; - t2 = xk[k + 2] ^ te0[@truncate(u8, s2 >> 24)] ^ te1[@truncate(u8, s3 >> 16)] ^ te2[@truncate(u8, s0 >> 8)] ^ te3[@truncate(u8, s1)]; - t3 = xk[k + 3] ^ te0[@truncate(u8, s3 >> 24)] ^ te1[@truncate(u8, s0 >> 16)] ^ te2[@truncate(u8, s1 >> 8)] ^ te3[@truncate(u8, s2)]; - k += 4; - s0 = t0; - s1 = t1; - s2 = t2; - s3 = t3; - } - - // Last round uses s-box directly and XORs to produce output. - s0 = @as(u32, sbox0[t0 >> 24]) << 24 | @as(u32, sbox0[t1 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t2 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t3 & 0xff]); - s1 = @as(u32, sbox0[t1 >> 24]) << 24 | @as(u32, sbox0[t2 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t3 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t0 & 0xff]); - s2 = @as(u32, sbox0[t2 >> 24]) << 24 | @as(u32, sbox0[t3 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t0 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t1 & 0xff]); - s3 = @as(u32, sbox0[t3 >> 24]) << 24 | @as(u32, sbox0[t0 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t1 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t2 & 0xff]); - - s0 ^= xk[k + 0]; - s1 ^= xk[k + 1]; - s2 ^= xk[k + 2]; - s3 ^= xk[k + 3]; - - mem.writeIntBig(u32, dst[0..4], s0); - mem.writeIntBig(u32, dst[4..8], s1); - mem.writeIntBig(u32, dst[8..12], s2); - mem.writeIntBig(u32, dst[12..16], s3); -} - -// Decrypt one block from src into dst, using the expanded key xk. -pub fn decryptBlock(xk: []const u32, dst: []u8, src: []const u8) void { - var s0 = mem.readIntBig(u32, src[0..4]); - var s1 = mem.readIntBig(u32, src[4..8]); - var s2 = mem.readIntBig(u32, src[8..12]); - var s3 = mem.readIntBig(u32, src[12..16]); - - // First round just XORs input with key. - s0 ^= xk[0]; - s1 ^= xk[1]; - s2 ^= xk[2]; - s3 ^= xk[3]; - - // Middle rounds shuffle using tables. - // Number of rounds is set by length of expanded key. - var nr = xk.len / 4 - 2; // - 2: one above, one more below - var k: usize = 4; - var t0: u32 = undefined; - var t1: u32 = undefined; - var t2: u32 = undefined; - var t3: u32 = undefined; - var r: usize = 0; - while (r < nr) : (r += 1) { - t0 = xk[k + 0] ^ td0[@truncate(u8, s0 >> 24)] ^ td1[@truncate(u8, s3 >> 16)] ^ td2[@truncate(u8, s2 >> 8)] ^ td3[@truncate(u8, s1)]; - t1 = xk[k + 1] ^ td0[@truncate(u8, s1 >> 24)] ^ td1[@truncate(u8, s0 >> 16)] ^ td2[@truncate(u8, s3 >> 8)] ^ td3[@truncate(u8, s2)]; - t2 = xk[k + 2] ^ td0[@truncate(u8, s2 >> 24)] ^ td1[@truncate(u8, s1 >> 16)] ^ td2[@truncate(u8, s0 >> 8)] ^ td3[@truncate(u8, s3)]; - t3 = xk[k + 3] ^ td0[@truncate(u8, s3 >> 24)] ^ td1[@truncate(u8, s2 >> 16)] ^ td2[@truncate(u8, s1 >> 8)] ^ td3[@truncate(u8, s0)]; - k += 4; - s0 = t0; - s1 = t1; - s2 = t2; - s3 = t3; - } - - // Last round uses s-box directly and XORs to produce output. - s0 = @as(u32, sbox1[t0 >> 24]) << 24 | @as(u32, sbox1[t3 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t2 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t1 & 0xff]); - s1 = @as(u32, sbox1[t1 >> 24]) << 24 | @as(u32, sbox1[t0 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t3 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t2 & 0xff]); - s2 = @as(u32, sbox1[t2 >> 24]) << 24 | @as(u32, sbox1[t1 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t0 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t3 & 0xff]); - s3 = @as(u32, sbox1[t3 >> 24]) << 24 | @as(u32, sbox1[t2 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t1 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t0 & 0xff]); - - s0 ^= xk[k + 0]; - s1 ^= xk[k + 1]; - s2 ^= xk[k + 2]; - s3 ^= xk[k + 3]; - - mem.writeIntBig(u32, dst[0..4], s0); - mem.writeIntBig(u32, dst[4..8], s1); - mem.writeIntBig(u32, dst[8..12], s2); - mem.writeIntBig(u32, dst[12..16], s3); -} - -fn xorBytes(dst: []u8, a: []const u8, b: []const u8) usize { - var n = std.math.min(dst.len, std.math.min(a.len, b.len)); - for (dst[0..n]) |_, i| { - dst[i] = a[i] ^ b[i]; - } - return n; -} - -pub const AES128 = AES(128); -pub const AES256 = AES(256); - -fn AES(comptime keysize: usize) type { - return struct { - const Self = @This(); - - pub const Encrypt = AESEncrypt(keysize); - pub const Decrypt = AESDecrypt(keysize); - - const nn = (keysize / 8) + 28; - enc: Encrypt, - dec: Decrypt, - - pub fn init(key: [keysize / 8]u8) Self { - var ctx: Self = undefined; - ctx.enc = Encrypt.init(key); - ctx.dec = ctx.enc.toDecrypt(); - return ctx; - } - - pub fn encrypt(ctx: Self, dst: []u8, src: []const u8) void { - ctx.enc.encrypt(dst, src); - } - pub fn decrypt(ctx: Self, dst: []u8, src: []const u8) void { - ctx.dec.decrypt(dst, src); - } - pub fn ctr(ctx: Self, dst: []u8, src: []const u8, iv: [16]u8) void { - ctx.enc.ctr(dst, src, iv); - } - }; -} - -fn AESEncrypt(comptime keysize: usize) type { - return struct { - const Self = @This(); - - const Decrypt = AESDecrypt(keysize); - - const nn = (keysize / 8) + 28; - enc: [nn]u32, - - pub fn init(key: [keysize / 8]u8) Self { - var ctx: Self = undefined; - expandKeyEncrypt(&key, ctx.enc[0..]); - return ctx; - } - - pub fn toDecrypt(ctx: Self) Decrypt { - var dec: Decrypt = undefined; - expandKeyDecrypt(ctx.enc[0..], dec.dec[0..]); - return dec; - } - - pub fn encrypt(ctx: Self, dst: []u8, src: []const u8) void { - encryptBlock(ctx.enc[0..], dst, src); - } - pub fn ctr(ctx: Self, dst: []u8, src: []const u8, iv: [16]u8) void { - std.debug.assert(dst.len >= src.len); - - var keystream: [16]u8 = undefined; - var ctrbuf = iv; - var n: usize = 0; - while (n < src.len) { - ctx.encrypt(keystream[0..], ctrbuf[0..]); - var ctr_i = std.mem.readIntBig(u128, ctrbuf[0..]); - std.mem.writeIntBig(u128, ctrbuf[0..], ctr_i +% 1); - - n += xorBytes(dst[n..], src[n..], &keystream); - } - } - }; -} - -fn AESDecrypt(comptime keysize: usize) type { - return struct { - const Self = @This(); - - const nn = (keysize / 8) + 28; - dec: [nn]u32, - - pub fn init(key: [keysize / 8]u8) Self { - var ctx: Self = undefined; - var enc: [nn]u32 = undefined; - expandKeyEncrypt(key[0..], enc[0..]); - expandKeyDecrypt(enc[0..], ctx.dec[0..]); - return ctx; - } - - pub fn decrypt(ctx: Self, dst: []u8, src: []const u8) void { - decryptBlock(ctx.dec[0..], dst, src); - } - }; -} +pub const Block = impl.Block; +pub const AESEncryptCtx = impl.AESEncryptCtx; +pub const AESDecryptCtx = impl.AESDecryptCtx; +pub const AES128 = impl.AES128; +pub const AES256 = impl.AES256; test "ctr" { // NIST SP 800-38A pp 55-58 - { - const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }; - const iv = [_]u8{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; - const in = [_]u8{ - 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, - 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, - 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, - 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, - }; - const exp_out = [_]u8{ - 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, - 0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff, - 0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab, - 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee, - }; + const ctr = @import("modes.zig").ctr; - var out: [exp_out.len]u8 = undefined; - var aes = AES128.init(key); - aes.ctr(out[0..], in[0..], iv); - testing.expectEqualSlices(u8, exp_out[0..], out[0..]); - } + const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }; + const iv = [_]u8{ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff }; + const in = [_]u8{ + 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a, + 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51, + 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef, + 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10, + }; + const exp_out = [_]u8{ + 0x87, 0x4d, 0x61, 0x91, 0xb6, 0x20, 0xe3, 0x26, 0x1b, 0xef, 0x68, 0x64, 0x99, 0x0d, 0xb6, 0xce, + 0x98, 0x06, 0xf6, 0x6b, 0x79, 0x70, 0xfd, 0xff, 0x86, 0x17, 0x18, 0x7b, 0xb9, 0xff, 0xfd, 0xff, + 0x5a, 0xe4, 0xdf, 0x3e, 0xdb, 0xd5, 0xd3, 0x5e, 0x5b, 0x4f, 0x09, 0x02, 0x0d, 0xb0, 0x3e, 0xab, + 0x1e, 0x03, 0x1d, 0xda, 0x2f, 0xbe, 0x03, 0xd1, 0x79, 0x21, 0x70, 0xa0, 0xf3, 0x00, 0x9c, 0xee, + }; + + var out: [exp_out.len]u8 = undefined; + var ctx = AES128.initEnc(key); + ctr(AESEncryptCtx(AES128), ctx, out[0..], in[0..], iv, builtin.Endian.Big); + testing.expectEqualSlices(u8, exp_out[0..], out[0..]); } test "encrypt" { @@ -256,8 +51,8 @@ test "encrypt" { const exp_out = [_]u8{ 0x39, 0x25, 0x84, 0x1d, 0x02, 0xdc, 0x09, 0xfb, 0xdc, 0x11, 0x85, 0x97, 0x19, 0x6a, 0x0b, 0x32 }; var out: [exp_out.len]u8 = undefined; - var aes = AES128.init(key); - aes.encrypt(out[0..], in[0..]); + var ctx = AES128.initEnc(key); + ctx.encrypt(out[0..], in[0..]); testing.expectEqualSlices(u8, exp_out[0..], out[0..]); } @@ -271,8 +66,8 @@ test "encrypt" { const exp_out = [_]u8{ 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf, 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89 }; var out: [exp_out.len]u8 = undefined; - var aes = AES256.init(key); - aes.encrypt(out[0..], in[0..]); + var ctx = AES256.initEnc(key); + ctx.encrypt(out[0..], in[0..]); testing.expectEqualSlices(u8, exp_out[0..], out[0..]); } } @@ -285,8 +80,8 @@ test "decrypt" { const exp_out = [_]u8{ 0x32, 0x43, 0xf6, 0xa8, 0x88, 0x5a, 0x30, 0x8d, 0x31, 0x31, 0x98, 0xa2, 0xe0, 0x37, 0x07, 0x34 }; var out: [exp_out.len]u8 = undefined; - var aes = AES128.init(key); - aes.decrypt(out[0..], in[0..]); + var ctx = AES128.initDec(key); + ctx.decrypt(out[0..], in[0..]); testing.expectEqualSlices(u8, exp_out[0..], out[0..]); } @@ -300,413 +95,52 @@ test "decrypt" { const exp_out = [_]u8{ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }; var out: [exp_out.len]u8 = undefined; - var aes = AES256.init(key); - aes.decrypt(out[0..], in[0..]); + var ctx = AES256.initDec(key); + ctx.decrypt(out[0..], in[0..]); testing.expectEqualSlices(u8, exp_out[0..], out[0..]); } } -// Key expansion algorithm. See FIPS-197, Figure 11. -fn expandKeyEncrypt(key: []const u8, enc: []u32) void { - var i: usize = 0; - var nk = key.len / 4; - while (i < nk) : (i += 1) { - enc[i] = mem.readIntBig(u32, key[4 * i ..][0..4]); - } - while (i < enc.len) : (i += 1) { - var t = enc[i - 1]; - if (i % nk == 0) { - t = subw(rotw(t)) ^ (@as(u32, powx[i / nk - 1]) << 24); - } else if (nk > 6 and i % nk == 4) { - t = subw(t); - } - enc[i] = enc[i - nk] ^ t; - } -} - -fn expandKeyDecrypt(enc: []const u32, dec: []u32) void { - var i: usize = 0; - var n = enc.len; - while (i < n) : (i += 4) { - var ei = n - i - 4; - var j: usize = 0; - while (j < 4) : (j += 1) { - var x = enc[ei + j]; - if (i > 0 and i + 4 < n) { - x = td0[sbox0[x >> 24]] ^ td1[sbox0[x >> 16 & 0xff]] ^ td2[sbox0[x >> 8 & 0xff]] ^ td3[sbox0[x & 0xff]]; - } - dec[i + j] = x; - } - } -} - -test "expand key" { +test "expand 128-bit key" { const key = [_]u8{ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c }; - const exp_enc = [_]u32{ - 0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c, - 0xa0fafe17, 0x88542cb1, 0x23a33939, 0x2a6c7605, - 0xf2c295f2, 0x7a96b943, 0x5935807a, 0x7359f67f, - 0x3d80477d, 0x4716fe3e, 0x1e237e44, 0x6d7a883b, - 0xef44a541, 0xa8525b7f, 0xb671253b, 0xdb0bad00, - 0xd4d1c6f8, 0x7c839d87, 0xcaf2b8bc, 0x11f915bc, - 0x6d88a37a, 0x110b3efd, 0xdbf98641, 0xca0093fd, - 0x4e54f70e, 0x5f5fc9f3, 0x84a64fb2, 0x4ea6dc4f, - 0xead27321, 0xb58dbad2, 0x312bf560, 0x7f8d292f, - 0xac7766f3, 0x19fadc21, 0x28d12941, 0x575c006e, - 0xd014f9a8, 0xc9ee2589, 0xe13f0cc8, 0xb6630ca6, + const exp_enc = [_]*const [32:0]u8{ + "2b7e151628aed2a6abf7158809cf4f3c", "a0fafe1788542cb123a339392a6c7605", "f2c295f27a96b9435935807a7359f67f", "3d80477d4716fe3e1e237e446d7a883b", "ef44a541a8525b7fb671253bdb0bad00", "d4d1c6f87c839d87caf2b8bc11f915bc", "6d88a37a110b3efddbf98641ca0093fd", "4e54f70e5f5fc9f384a64fb24ea6dc4f", "ead27321b58dbad2312bf5607f8d292f", "ac7766f319fadc2128d12941575c006e", "d014f9a8c9ee2589e13f0cc8b6630ca6", }; - const exp_dec = [_]u32{ - 0xd014f9a8, 0xc9ee2589, 0xe13f0cc8, 0xb6630ca6, - 0xc7b5a63, 0x1319eafe, 0xb0398890, 0x664cfbb4, - 0xdf7d925a, 0x1f62b09d, 0xa320626e, 0xd6757324, - 0x12c07647, 0xc01f22c7, 0xbc42d2f3, 0x7555114a, - 0x6efcd876, 0xd2df5480, 0x7c5df034, 0xc917c3b9, - 0x6ea30afc, 0xbc238cf6, 0xae82a4b4, 0xb54a338d, - 0x90884413, 0xd280860a, 0x12a12842, 0x1bc89739, - 0x7c1f13f7, 0x4208c219, 0xc021ae48, 0x969bf7b, - 0xcc7505eb, 0x3e17d1ee, 0x82296c51, 0xc9481133, - 0x2b3708a7, 0xf262d405, 0xbc3ebdbf, 0x4b617d62, - 0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x9cf4f3c, + const exp_dec = [_]*const [32:0]u8{ + "2b7e151628aed2a6abf7158809cf4f3c", "a0fafe1788542cb123a339392a6c7605", "f2c295f27a96b9435935807a7359f67f", "3d80477d4716fe3e1e237e446d7a883b", "ef44a541a8525b7fb671253bdb0bad00", "d4d1c6f87c839d87caf2b8bc11f915bc", "6d88a37a110b3efddbf98641ca0093fd", "4e54f70e5f5fc9f384a64fb24ea6dc4f", "ead27321b58dbad2312bf5607f8d292f", "ac7766f319fadc2128d12941575c006e", "d014f9a8c9ee2589e13f0cc8b6630ca6", }; - var enc: [exp_enc.len]u32 = undefined; - var dec: [exp_dec.len]u32 = undefined; - expandKeyEncrypt(key[0..], enc[0..]); - expandKeyDecrypt(enc[0..], dec[0..]); - testing.expectEqualSlices(u32, exp_enc[0..], enc[0..]); - testing.expectEqualSlices(u32, exp_dec[0..], dec[0..]); + const enc = AES128.initEnc(key); + const dec = AES128.initDec(key); + var exp: [16]u8 = undefined; + + for (enc.key_schedule.round_keys) |round_key, i| { + try std.fmt.hexToBytes(&exp, exp_enc[i]); + testing.expectEqualSlices(u8, &exp, &round_key.toBytes()); + } + for (enc.key_schedule.round_keys) |round_key, i| { + try std.fmt.hexToBytes(&exp, exp_dec[i]); + testing.expectEqualSlices(u8, &exp, &round_key.toBytes()); + } } -// constants +test "expand 256-bit key" { + const key = [_]u8{ 0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81, 0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4 }; + const exp_enc = [_]*const [32:0]u8{ + "603deb1015ca71be2b73aef0857d7781", "1f352c073b6108d72d9810a30914dff4", "9ba354118e6925afa51a8b5f2067fcde", "a8b09c1a93d194cdbe49846eb75d5b9a", "d59aecb85bf3c917fee94248de8ebe96", "b5a9328a2678a647983122292f6c79b3", "812c81addadf48ba24360af2fab8b464", "98c5bfc9bebd198e268c3ba709e04214", "68007bacb2df331696e939e46c518d80", "c814e20476a9fb8a5025c02d59c58239", "de1369676ccc5a71fa2563959674ee15", "5886ca5d2e2f31d77e0af1fa27cf73c3", "749c47ab18501ddae2757e4f7401905a", "cafaaae3e4d59b349adf6acebd10190d", "fe4890d1e6188d0b046df344706c631e", + }; + const exp_dec = [_]*const [32:0]u8{ + "fe4890d1e6188d0b046df344706c631e", "ada23f4963e23b2455427c8a5c709104", "57c96cf6074f07c0706abb07137f9241", "b668b621ce40046d36a047ae0932ed8e", "34ad1e4450866b367725bcc763152946", "32526c367828b24cf8e043c33f92aa20", "c440b289642b757227a3d7f114309581", "d669a7334a7ade7a80c8f18fc772e9e3", "25ba3c22a06bc7fb4388a28333934270", "54fb808b9c137949cab22ff547ba186c", "6c3d632985d1fbd9e3e36578701be0f3", "4a7459f9c8e8f9c256a156bc8d083799", "42107758e9ec98f066329ea193f8858b", "8ec6bff6829ca03b9e49af7edba96125", "603deb1015ca71be2b73aef0857d7781", + }; + const enc = AES256.initEnc(key); + const dec = AES256.initDec(key); + var exp: [16]u8 = undefined; -const poly = 1 << 8 | 1 << 4 | 1 << 3 | 1 << 1 | 1 << 0; - -const powx = [16]u8{ - 0x01, - 0x02, - 0x04, - 0x08, - 0x10, - 0x20, - 0x40, - 0x80, - 0x1b, - 0x36, - 0x6c, - 0xd8, - 0xab, - 0x4d, - 0x9a, - 0x2f, -}; - -const sbox0 = [256]u8{ - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, - 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, - 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, - 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, - 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, - 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, - 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, - 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, - 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, - 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, - 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16, -}; - -const sbox1 = [256]u8{ - 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, - 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, - 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, - 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, - 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, - 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, - 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, - 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, - 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, - 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, - 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, - 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, - 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, - 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, - 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d, -}; - -const te0 = [256]u32{ - 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, - 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, - 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, - 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, - 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, - 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, - 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, - 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, - 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, - 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, - 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, - 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, - 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, - 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, - 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, - 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, - 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, - 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, - 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, - 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, - 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, - 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, - 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, - 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, - 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, - 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, - 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, - 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, - 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, - 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, - 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, - 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a, -}; -const te1 = [256]u32{ - 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, - 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, - 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, - 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, - 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, - 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, - 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, - 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, - 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, - 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, - 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, - 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, - 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, - 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, - 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, - 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, - 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, - 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, - 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, - 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, - 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, - 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, - 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, - 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, - 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, - 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, - 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, - 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, - 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, - 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, - 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, - 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616, -}; -const te2 = [256]u32{ - 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, - 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, - 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, - 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, - 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, - 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, - 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, - 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, - 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, - 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, - 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, - 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, - 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, - 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, - 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, - 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, - 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, - 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, - 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, - 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, - 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, - 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, - 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, - 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, - 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, - 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, - 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, - 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, - 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, - 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, - 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, - 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16, -}; -const te3 = [256]u32{ - 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, - 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, - 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, - 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, - 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, - 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, - 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, - 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, - 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, - 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, - 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, - 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, - 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, - 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, - 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, - 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, - 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, - 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, - 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, - 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, - 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, - 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, - 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, - 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, - 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, - 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, - 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, - 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, - 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, - 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, - 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, - 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c, -}; - -const td0 = [256]u32{ - 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, - 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, - 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, - 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, - 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, - 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, - 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, - 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, - 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, - 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, - 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, - 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, - 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, - 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, - 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, - 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, - 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, - 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, - 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, - 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, - 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, - 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, - 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, - 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, - 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, - 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, - 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, - 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, - 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, - 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, - 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, - 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742, -}; -const td1 = [256]u32{ - 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, - 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, - 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, - 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, - 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, - 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, - 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, - 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, - 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, - 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, - 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, - 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, - 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, - 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, - 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, - 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, - 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, - 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, - 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, - 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, - 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, - 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, - 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, - 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, - 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, - 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, - 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, - 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, - 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, - 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, - 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, - 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857, -}; -const td2 = [256]u32{ - 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, - 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, - 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, - 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, - 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, - 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, - 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, - 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, - 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, - 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, - 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, - 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, - 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, - 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, - 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, - 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, - 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, - 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, - 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, - 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, - 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, - 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, - 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, - 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, - 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, - 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, - 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, - 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, - 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, - 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, - 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, - 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8, -}; -const td3 = [256]u32{ - 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, - 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, - 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, - 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, - 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, - 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, - 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, - 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, - 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, - 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, - 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, - 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, - 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, - 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, - 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, - 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, - 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, - 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, - 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, - 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, - 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, - 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, - 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, - 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, - 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, - 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, - 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, - 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, - 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, - 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, - 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, - 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0, -}; + for (enc.key_schedule.round_keys) |round_key, i| { + try std.fmt.hexToBytes(&exp, exp_enc[i]); + testing.expectEqualSlices(u8, &exp, &round_key.toBytes()); + } + for (dec.key_schedule.round_keys) |round_key, i| { + try std.fmt.hexToBytes(&exp, exp_dec[i]); + testing.expectEqualSlices(u8, &exp, &round_key.toBytes()); + } +} diff --git a/lib/std/crypto/aes/aesni.zig b/lib/std/crypto/aes/aesni.zig new file mode 100644 index 000000000..f13a4a581 --- /dev/null +++ b/lib/std/crypto/aes/aesni.zig @@ -0,0 +1,420 @@ +// SPDX-License-Identifier: MIT +// Copyright (c) 2015-2020 Zig Contributors +// This file is part of [zig](https://ziglang.org/), which is MIT licensed. +// The MIT license requires this copyright notice to be included in all copies +// and substantial portions of the software. +// Based on Go stdlib implementation + +const std = @import("../../std.zig"); +const mem = std.mem; +const debug = std.debug; +const Vector = std.meta.Vector; + +const BlockVec = Vector(2, u64); + +/// A single AES block. +pub const Block = struct { + pub const block_size: usize = 16; + + /// Internal representation of a block. + repr: BlockVec, + + /// Convert a byte sequence into an internal representation. + pub inline fn fromBytes(bytes: *const [16]u8) Block { + const repr = mem.bytesToValue(BlockVec, bytes); + return Block{ .repr = repr }; + } + + /// Convert the internal representation of a block into a byte sequence. + pub inline fn toBytes(block: Block) [16]u8 { + return mem.toBytes(block.repr); + } + + /// XOR the block with a byte sequence. + pub inline fn xorBytes(block: Block, bytes: *const [16]u8) [16]u8 { + const x = block.repr ^ fromBytes(bytes).repr; + return mem.toBytes(x); + } + + /// Encrypt a block with a round key. + pub inline fn encrypt(block: Block, round_key: Block) Block { + return Block{ + .repr = asm ( + \\ vaesenc %[rk], %[in], %[out] + : [out] "=x" (-> BlockVec) + : [in] "x" (block.repr), + [rk] "x" (round_key.repr) + ), + }; + } + + /// Encrypt a block with the last round key. + pub inline fn encryptLast(block: Block, round_key: Block) Block { + return Block{ + .repr = asm ( + \\ vaesenclast %[rk], %[in], %[out] + : [out] "=x" (-> BlockVec) + : [in] "x" (block.repr), + [rk] "x" (round_key.repr) + ), + }; + } + + /// Decrypt a block with a round key. + pub inline fn decrypt(block: Block, inv_round_key: Block) Block { + return Block{ + .repr = asm ( + \\ vaesdec %[rk], %[in], %[out] + : [out] "=x" (-> BlockVec) + : [in] "x" (block.repr), + [rk] "x" (inv_round_key.repr) + ), + }; + } + + /// Decrypt a block with the last round key. + pub inline fn decryptLast(block: Block, inv_round_key: Block) Block { + return Block{ + .repr = asm ( + \\ vaesdeclast %[rk], %[in], %[out] + : [out] "=x" (-> BlockVec) + : [in] "x" (block.repr), + [rk] "x" (inv_round_key.repr) + ), + }; + } + + /// XOR the content of two blocks. + pub inline fn xor(block1: Block, block2: Block) Block { + return Block{ .repr = block1.repr ^ block2.repr }; + } + + /// Perform operations on multiple blocks in parallel. + pub const parallel = struct { + /// The recommended number of AES encryption/decryption to perform in parallel for the chosen implementation. + pub const optimal_parallel_blocks = 8; + + /// Encrypt multiple blocks in parallel, each their own round key. + pub inline fn encryptParallel(comptime count: usize, blocks: [count]Block, round_keys: [count]Block) [count]Block { + comptime var i = 0; + var out: [count]Block = undefined; + inline while (i < count) : (i += 1) { + out[i] = blocks[i].encrypt(round_keys[i]); + } + return out; + } + + /// Decrypt multiple blocks in parallel, each their own round key. + pub inline fn decryptParallel(comptime count: usize, blocks: [count]Block, round_keys: [count]Block) [count]Block { + comptime var i = 0; + var out: [count]Block = undefined; + inline while (i < count) : (i += 1) { + out[i] = blocks[i].decrypt(round_keys[i]); + } + return out; + } + + /// Encrypt multple blocks in parallel with the same round key. + pub inline fn encryptWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + comptime var i = 0; + var out: [count]Block = undefined; + inline while (i < count) : (i += 1) { + out[i] = blocks[i].encrypt(round_key); + } + return out; + } + + /// Decrypt multple blocks in parallel with the same round key. + pub inline fn decryptWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + comptime var i = 0; + var out: [count]Block = undefined; + inline while (i < count) : (i += 1) { + out[i] = blocks[i].decrypt(round_key); + } + return out; + } + + /// Encrypt multple blocks in parallel with the same last round key. + pub inline fn encryptLastWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + comptime var i = 0; + var out: [count]Block = undefined; + inline while (i < count) : (i += 1) { + out[i] = blocks[i].encryptLast(round_key); + } + return out; + } + + /// Decrypt multple blocks in parallel with the same last round key. + pub inline fn decryptLastWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + comptime var i = 0; + var out: [count]Block = undefined; + inline while (i < count) : (i += 1) { + out[i] = blocks[i].decryptLast(round_key); + } + return out; + } + }; +}; + +fn KeySchedule(comptime AES: type) type { + std.debug.assert(AES.rounds == 10 or AES.rounds == 14); + const rounds = AES.rounds; + + return struct { + const Self = @This(); + round_keys: [rounds + 1]Block, + + fn drc(comptime second: bool, comptime rc: u8, t: BlockVec, tx: BlockVec) BlockVec { + var s: BlockVec = undefined; + var ts: BlockVec = undefined; + return asm ( + \\ vaeskeygenassist %[rc], %[t], %[s] + \\ vpslldq $4, %[tx], %[ts] + \\ vpxor %[ts], %[tx], %[r] + \\ vpslldq $8, %[r], %[ts] + \\ vpxor %[ts], %[r], %[r] + \\ vpshufd %[mask], %[s], %[ts] + \\ vpxor %[ts], %[r], %[r] + : [r] "=&x" (-> BlockVec), + [s] "=&x" (s), + [ts] "=&x" (ts) + : [rc] "n" (rc), + [t] "x" (t), + [tx] "x" (tx), + [mask] "n" (@as(u8, if (second) 0xaa else 0xff)) + ); + } + + fn expand128(t1: *Block) Self { + var round_keys: [11]Block = undefined; + const rcs = [_]u8{ 1, 2, 4, 8, 16, 32, 64, 128, 27, 54 }; + inline for (rcs) |rc, round| { + round_keys[round] = t1.*; + t1.repr = drc(false, rc, t1.repr, t1.repr); + } + round_keys[rcs.len] = t1.*; + return Self{ .round_keys = round_keys }; + } + + fn expand256(t1: *Block, t2: *Block) Self { + var round_keys: [15]Block = undefined; + const rcs = [_]u8{ 1, 2, 4, 8, 16, 32 }; + round_keys[0] = t1.*; + inline for (rcs) |rc, round| { + round_keys[round * 2 + 1] = t2.*; + t1.repr = drc(false, rc, t2.repr, t1.repr); + round_keys[round * 2 + 2] = t1.*; + t2.repr = drc(true, rc, t1.repr, t2.repr); + } + round_keys[rcs.len * 2 + 1] = t2.*; + t1.repr = drc(false, 64, t2.repr, t1.repr); + round_keys[rcs.len * 2 + 2] = t1.*; + return Self{ .round_keys = round_keys }; + } + + /// Invert the key schedule. + pub fn invert(key_schedule: Self) Self { + const round_keys = &key_schedule.round_keys; + var inv_round_keys: [rounds + 1]Block = undefined; + inv_round_keys[0] = round_keys[rounds]; + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + inv_round_keys[i] = Block{ + .repr = asm ( + \\ vaesimc %[rk], %[inv_rk] + : [inv_rk] "=x" (-> BlockVec) + : [rk] "x" (round_keys[rounds - i].repr) + ), + }; + } + inv_round_keys[rounds] = round_keys[0]; + return Self{ .round_keys = inv_round_keys }; + } + }; +} + +/// A context to perform encryption using the standard AES key schedule. +pub fn AESEncryptCtx(comptime AES: type) type { + std.debug.assert(AES.key_bits == 128 or AES.key_bits == 256); + const rounds = AES.rounds; + + return struct { + const Self = @This(); + pub const block = AES.block; + pub const block_size = block.block_size; + key_schedule: KeySchedule(AES), + + /// Create a new encryption context with the given key. + pub fn init(key: [AES.key_bits / 8]u8) Self { + var t1 = Block.fromBytes(key[0..16]); + const key_schedule = if (AES.key_bits == 128) ks: { + break :ks KeySchedule(AES).expand128(&t1); + } else ks: { + var t2 = Block.fromBytes(key[16..32]); + break :ks KeySchedule(AES).expand256(&t1, &t2); + }; + return Self{ + .key_schedule = key_schedule, + }; + } + + /// Encrypt a single block. + pub fn encrypt(ctx: Self, dst: *[16]u8, src: *const [16]u8) void { + const round_keys = ctx.key_schedule.round_keys; + var t = Block.fromBytes(src).xor(round_keys[0]); + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + t = t.encrypt(round_keys[i]); + } + t = t.encryptLast(round_keys[rounds]); + dst.* = t.toBytes(); + } + + /// Encrypt+XOR a single block. + pub fn xor(ctx: Self, dst: *[16]u8, src: *const [16]u8, counter: [16]u8) void { + const round_keys = ctx.key_schedule.round_keys; + var t = Block.fromBytes(&counter).xor(round_keys[0]); + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + t = t.encrypt(round_keys[i]); + } + t = t.encryptLast(round_keys[rounds]); + dst.* = t.xorBytes(src); + } + + /// Encrypt multiple blocks, possibly leveraging parallelization. + pub fn encryptWide(ctx: Self, comptime count: usize, dst: *[16 * count]u8, src: *const [16 * count]u8) void { + const round_keys = ctx.key_schedule.round_keys; + var ts: [count]Block = undefined; + comptime var j = 0; + inline while (j < count) : (j += 1) { + ts[j] = Block.fromBytes(src[j * 16 .. j * 16 + 16][0..16]).xor(round_keys[0]); + } + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + ts = Block.parallel.encryptWide(count, ts, round_keys[i]); + } + i = 1; + inline while (i < count) : (i += 1) { + ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]); + } + j = 0; + inline while (j < count) : (j += 1) { + dst[16 * j .. 16 * j + 16].* = ts[j].toBytes(); + } + } + + /// Encrypt+XOR multiple blocks, possibly leveraging parallelization. + pub fn xorWide(ctx: Self, comptime count: usize, dst: *[16 * count]u8, src: *const [16 * count]u8, counters: [16 * count]u8) void { + const round_keys = ctx.key_schedule.round_keys; + var ts: [count]Block = undefined; + comptime var j = 0; + inline while (j < count) : (j += 1) { + ts[j] = Block.fromBytes(counters[j * 16 .. j * 16 + 16][0..16]).xor(round_keys[0]); + } + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + ts = Block.parallel.encryptWide(count, ts, round_keys[i]); + } + ts = Block.parallel.encryptLastWide(count, ts, round_keys[i]); + j = 0; + inline while (j < count) : (j += 1) { + dst[16 * j .. 16 * j + 16].* = ts[j].xorBytes(src[16 * j .. 16 * j + 16]); + } + } + }; +} + +/// A context to perform decryption using the standard AES key schedule. +pub fn AESDecryptCtx(comptime AES: type) type { + std.debug.assert(AES.key_bits == 128 or AES.key_bits == 256); + const rounds = AES.rounds; + + return struct { + const Self = @This(); + pub const block = AES.block; + pub const block_size = block.block_size; + key_schedule: KeySchedule(AES), + + /// Create a decryption context from an existing encryption context. + pub fn initFromEnc(ctx: AESEncryptCtx(AES)) Self { + return Self{ + .key_schedule = ctx.key_schedule.invert(), + }; + } + + /// Create a new decryption context with the given key. + pub fn init(key: [AES.key_bits / 8]u8) Self { + const enc_ctx = AESEncryptCtx(AES).init(key); + return initFromEnc(enc_ctx); + } + + /// Decrypt a single block. + pub fn decrypt(ctx: Self, dst: *[16]u8, src: *const [16]u8) void { + const inv_round_keys = ctx.key_schedule.round_keys; + var t = Block.fromBytes(src).xor(inv_round_keys[0]); + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + t = t.decrypt(inv_round_keys[i]); + } + t = t.decryptLast(inv_round_keys[rounds]); + dst.* = t.toBytes(); + } + + /// Decrypt multiple blocks, possibly leveraging parallelization. + pub fn decryptWide(ctx: Self, comptime count: usize, dst: *[16 * count]u8, src: *const [16 * count]u8) void { + const inv_round_keys = ctx.key_schedule.round_keys; + var ts: [count]Block = undefined; + comptime var j = 0; + inline while (j < count) : (j += 1) { + ts[j] = Block.fromBytes(src[j * 16 .. j * 16 + 16][0..16]).xor(inv_round_keys[0]); + } + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + ts = Block.parallel.decryptWide(count, ts, inv_round_keys[i]); + } + i = 1; + inline while (i < count) : (i += 1) { + ts = Block.parallel.decryptLastWide(count, ts, inv_round_keys[i]); + } + j = 0; + inline while (j < count) : (j += 1) { + dst[16 * j .. 16 * j + 16].* = ts[j].toBytes(); + } + } + }; +} + +/// AES-128 with the standard key schedule. +pub const AES128 = struct { + pub const key_bits: usize = 128; + pub const rounds = ((key_bits - 64) / 32 + 8); + pub const block = Block; + + /// Create a new context for encryption. + pub fn initEnc(key: [key_bits / 8]u8) AESEncryptCtx(AES128) { + return AESEncryptCtx(AES128).init(key); + } + + /// Create a new context for decryption. + pub fn initDec(key: [key_bits / 8]u8) AESDecryptCtx(AES128) { + return AESDecryptCtx(AES128).init(key); + } +}; + +/// AES-256 with the standard key schedule. +pub const AES256 = struct { + pub const key_bits: usize = 256; + pub const rounds = ((key_bits - 64) / 32 + 8); + pub const block = Block; + + /// Create a new context for encryption. + pub fn initEnc(key: [key_bits / 8]u8) AESEncryptCtx(AES256) { + return AESEncryptCtx(AES256).init(key); + } + + /// Create a new context for decryption. + pub fn initDec(key: [key_bits / 8]u8) AESDecryptCtx(AES256) { + return AESDecryptCtx(AES256).init(key); + } +}; diff --git a/lib/std/crypto/aes/soft.zig b/lib/std/crypto/aes/soft.zig new file mode 100644 index 000000000..c32662fbc --- /dev/null +++ b/lib/std/crypto/aes/soft.zig @@ -0,0 +1,735 @@ +// SPDX-License-Identifier: MIT +// Copyright (c) 2015-2020 Zig Contributors +// This file is part of [zig](https://ziglang.org/), which is MIT licensed. +// The MIT license requires this copyright notice to be included in all copies +// and substantial portions of the software. +// Based on Go stdlib implementation + +const std = @import("../../std.zig"); +const mem = std.mem; + +const BlockVec = [4]u32; + +/// A single AES block. +pub const Block = struct { + pub const block_size: usize = 16; + + /// Internal representation of a block. + repr: BlockVec align(16), + + /// Convert a byte sequence into an internal representation. + pub inline fn fromBytes(bytes: *const [16]u8) Block { + const s0 = mem.readIntBig(u32, bytes[0..4]); + const s1 = mem.readIntBig(u32, bytes[4..8]); + const s2 = mem.readIntBig(u32, bytes[8..12]); + const s3 = mem.readIntBig(u32, bytes[12..16]); + return Block{ .repr = BlockVec{ s0, s1, s2, s3 } }; + } + + /// Convert the internal representation of a block into a byte sequence. + pub inline fn toBytes(block: Block) [16]u8 { + var bytes: [16]u8 = undefined; + mem.writeIntBig(u32, bytes[0..4], block.repr[0]); + mem.writeIntBig(u32, bytes[4..8], block.repr[1]); + mem.writeIntBig(u32, bytes[8..12], block.repr[2]); + mem.writeIntBig(u32, bytes[12..16], block.repr[3]); + return bytes; + } + + /// XOR the block with a byte sequence. + pub inline fn xorBytes(block: Block, bytes: *const [16]u8) [16]u8 { + const block_bytes = block.toBytes(); + var x: [16]u8 = undefined; + comptime var i: usize = 0; + inline while (i < 16) : (i += 1) { + x[i] = block_bytes[i] ^ bytes[i]; + } + return x; + } + + /// Encrypt a block with a round key. + pub inline fn encrypt(block: Block, round_key: Block) Block { + const src = &block.repr; + + const s0 = block.repr[0]; + const s1 = block.repr[1]; + const s2 = block.repr[2]; + const s3 = block.repr[3]; + + const t0 = round_key.repr[0] ^ te0[@truncate(u8, s0 >> 24)] ^ te1[@truncate(u8, s1 >> 16)] ^ te2[@truncate(u8, s2 >> 8)] ^ te3[@truncate(u8, s3)]; + const t1 = round_key.repr[1] ^ te0[@truncate(u8, s1 >> 24)] ^ te1[@truncate(u8, s2 >> 16)] ^ te2[@truncate(u8, s3 >> 8)] ^ te3[@truncate(u8, s0)]; + const t2 = round_key.repr[2] ^ te0[@truncate(u8, s2 >> 24)] ^ te1[@truncate(u8, s3 >> 16)] ^ te2[@truncate(u8, s0 >> 8)] ^ te3[@truncate(u8, s1)]; + const t3 = round_key.repr[3] ^ te0[@truncate(u8, s3 >> 24)] ^ te1[@truncate(u8, s0 >> 16)] ^ te2[@truncate(u8, s1 >> 8)] ^ te3[@truncate(u8, s2)]; + + return Block{ .repr = BlockVec{ t0, t1, t2, t3 } }; + } + + /// Encrypt a block with the last round key. + pub inline fn encryptLast(block: Block, round_key: Block) Block { + const src = &block.repr; + + const t0 = block.repr[0]; + const t1 = block.repr[1]; + const t2 = block.repr[2]; + const t3 = block.repr[3]; + + // Last round uses s-box directly and XORs to produce output. + var s0 = @as(u32, sbox0[t0 >> 24]) << 24 | @as(u32, sbox0[t1 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t2 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t3 & 0xff]); + var s1 = @as(u32, sbox0[t1 >> 24]) << 24 | @as(u32, sbox0[t2 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t3 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t0 & 0xff]); + var s2 = @as(u32, sbox0[t2 >> 24]) << 24 | @as(u32, sbox0[t3 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t0 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t1 & 0xff]); + var s3 = @as(u32, sbox0[t3 >> 24]) << 24 | @as(u32, sbox0[t0 >> 16 & 0xff]) << 16 | @as(u32, sbox0[t1 >> 8 & 0xff]) << 8 | @as(u32, sbox0[t2 & 0xff]); + s0 ^= round_key.repr[0]; + s1 ^= round_key.repr[1]; + s2 ^= round_key.repr[2]; + s3 ^= round_key.repr[3]; + + return Block{ .repr = BlockVec{ s0, s1, s2, s3 } }; + } + + /// Decrypt a block with a round key. + pub inline fn decrypt(block: Block, round_key: Block) Block { + const src = &block.repr; + + const s0 = block.repr[0]; + const s1 = block.repr[1]; + const s2 = block.repr[2]; + const s3 = block.repr[3]; + + const t0 = round_key.repr[0] ^ td0[@truncate(u8, s0 >> 24)] ^ td1[@truncate(u8, s3 >> 16)] ^ td2[@truncate(u8, s2 >> 8)] ^ td3[@truncate(u8, s1)]; + const t1 = round_key.repr[1] ^ td0[@truncate(u8, s1 >> 24)] ^ td1[@truncate(u8, s0 >> 16)] ^ td2[@truncate(u8, s3 >> 8)] ^ td3[@truncate(u8, s2)]; + const t2 = round_key.repr[2] ^ td0[@truncate(u8, s2 >> 24)] ^ td1[@truncate(u8, s1 >> 16)] ^ td2[@truncate(u8, s0 >> 8)] ^ td3[@truncate(u8, s3)]; + const t3 = round_key.repr[3] ^ td0[@truncate(u8, s3 >> 24)] ^ td1[@truncate(u8, s2 >> 16)] ^ td2[@truncate(u8, s1 >> 8)] ^ td3[@truncate(u8, s0)]; + + return Block{ .repr = BlockVec{ t0, t1, t2, t3 } }; + } + + /// Decrypt a block with the last round key. + pub inline fn decryptLast(block: Block, round_key: Block) Block { + const src = &block.repr; + + const t0 = block.repr[0]; + const t1 = block.repr[1]; + const t2 = block.repr[2]; + const t3 = block.repr[3]; + + // Last round uses s-box directly and XORs to produce output. + var s0 = @as(u32, sbox1[t0 >> 24]) << 24 | @as(u32, sbox1[t3 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t2 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t1 & 0xff]); + var s1 = @as(u32, sbox1[t1 >> 24]) << 24 | @as(u32, sbox1[t0 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t3 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t2 & 0xff]); + var s2 = @as(u32, sbox1[t2 >> 24]) << 24 | @as(u32, sbox1[t1 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t0 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t3 & 0xff]); + var s3 = @as(u32, sbox1[t3 >> 24]) << 24 | @as(u32, sbox1[t2 >> 16 & 0xff]) << 16 | @as(u32, sbox1[t1 >> 8 & 0xff]) << 8 | @as(u32, sbox1[t0 & 0xff]); + s0 ^= round_key.repr[0]; + s1 ^= round_key.repr[1]; + s2 ^= round_key.repr[2]; + s3 ^= round_key.repr[3]; + + return Block{ .repr = BlockVec{ s0, s1, s2, s3 } }; + } + + /// XOR the content of two blocks. + pub inline fn xor(block1: Block, block2: Block) Block { + var x: BlockVec = undefined; + comptime var i = 0; + inline while (i < 4) : (i += 1) { + x[i] = block1.repr[i] ^ block2.repr[i]; + } + return Block{ .repr = x }; + } + + /// Perform operations on multiple blocks in parallel. + pub const parallel = struct { + /// The recommended number of AES encryption/decryption to perform in parallel for the chosen implementation. + pub const optimal_parallel_blocks = 1; + + /// Encrypt multiple blocks in parallel, each their own round key. + pub fn encryptParallel(comptime count: usize, blocks: [count]Block, round_keys: [count]Block) [count]Block { + var i = 0; + var out: [count]Block = undefined; + while (i < count) : (i += 1) { + out[i] = blocks[i].encrypt(round_keys[i]); + } + return out; + } + + /// Decrypt multiple blocks in parallel, each their own round key. + pub fn decryptParallel(comptime count: usize, blocks: [count]Block, round_keys: [count]Block) [count]Block { + var i = 0; + var out: [count]Block = undefined; + while (i < count) : (i += 1) { + out[i] = blocks[i].decrypt(round_keys[i]); + } + return out; + } + + /// Encrypt multple blocks in parallel with the same round key. + pub fn encryptWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + var i = 0; + var out: [count]Block = undefined; + while (i < count) : (i += 1) { + out[i] = blocks[i].encrypt(round_key); + } + return out; + } + + /// Decrypt multple blocks in parallel with the same round key. + pub fn decryptWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + var i = 0; + var out: [count]Block = undefined; + while (i < count) : (i += 1) { + out[i] = blocks[i].decrypt(round_key); + } + return out; + } + + /// Encrypt multple blocks in parallel with the same last round key. + pub fn encryptLastWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + var i = 0; + var out: [count]Block = undefined; + while (i < count) : (i += 1) { + out[i] = blocks[i].encryptLast(round_key); + } + return out; + } + + /// Decrypt multple blocks in parallel with the same last round key. + pub fn decryptLastWide(comptime count: usize, blocks: [count]Block, round_key: Block) [count]Block { + var i = 0; + var out: [count]Block = undefined; + while (i < count) : (i += 1) { + out[i] = blocks[i].decryptLast(round_key); + } + return out; + } + }; +}; + +fn KeySchedule(comptime AES: type) type { + std.debug.assert(AES.rounds == 10 or AES.rounds == 14); + const key_size = AES.key_bits / 8; + const rounds = AES.rounds; + + return struct { + const Self = @This(); + const words_in_key = key_size / 4; + + round_keys: [rounds + 1]Block, + + // Key expansion algorithm. See FIPS-197, Figure 11. + fn expandKey(key: [key_size]u8) Self { + const subw = struct { + // Apply sbox0 to each byte in w. + fn func(w: u32) u32 { + return @as(u32, sbox0[w >> 24]) << 24 | @as(u32, sbox0[w >> 16 & 0xff]) << 16 | @as(u32, sbox0[w >> 8 & 0xff]) << 8 | @as(u32, sbox0[w & 0xff]); + } + }.func; + + var round_keys: [rounds + 1]Block = undefined; + comptime var i: usize = 0; + inline while (i < words_in_key) : (i += 1) { + round_keys[i / 4].repr[i % 4] = mem.readIntBig(u32, key[4 * i ..][0..4]); + } + inline while (i < round_keys.len * 4) : (i += 1) { + var t = round_keys[(i - 1) / 4].repr[(i - 1) % 4]; + if (i % words_in_key == 0) { + t = subw(std.math.rotl(u32, t, 8)) ^ (@as(u32, powx[i / words_in_key - 1]) << 24); + } else if (words_in_key > 6 and i % words_in_key == 4) { + t = subw(t); + } + round_keys[i / 4].repr[i % 4] = round_keys[(i - words_in_key) / 4].repr[(i - words_in_key) % 4] ^ t; + } + return Self{ .round_keys = round_keys }; + } + + /// Invert the key schedule. + pub fn invert(key_schedule: Self) Self { + const round_keys = &key_schedule.round_keys; + var inv_round_keys: [rounds + 1]Block = undefined; + const total_words = 4 * round_keys.len; + var i: usize = 0; + while (i < total_words) : (i += 4) { + const ei = total_words - i - 4; + comptime var j: usize = 0; + inline while (j < 4) : (j += 1) { + var x = round_keys[(ei + j) / 4].repr[(ei + j) % 4]; + if (i > 0 and i + 4 < total_words) { + x = td0[sbox0[x >> 24]] ^ td1[sbox0[x >> 16 & 0xff]] ^ td2[sbox0[x >> 8 & 0xff]] ^ td3[sbox0[x & 0xff]]; + } + inv_round_keys[(i + j) / 4].repr[(i + j) % 4] = x; + } + } + return Self{ .round_keys = inv_round_keys }; + } + }; +} + +/// A context to perform encryption using the standard AES key schedule. +pub fn AESEncryptCtx(comptime AES: type) type { + std.debug.assert(AES.key_bits == 128 or AES.key_bits == 256); + const rounds = AES.rounds; + + return struct { + const Self = @This(); + pub const block = AES.block; + pub const block_size = block.block_size; + key_schedule: KeySchedule(AES), + + /// Create a new encryption context with the given key. + pub fn init(key: [AES.key_bits / 8]u8) Self { + const key_schedule = KeySchedule(AES).expandKey(key); + return Self{ + .key_schedule = key_schedule, + }; + } + + /// Encrypt a single block. + pub fn encrypt(ctx: Self, dst: *[16]u8, src: *const [16]u8) void { + const round_keys = ctx.key_schedule.round_keys; + var t = Block.fromBytes(src).xor(round_keys[0]); + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + t = t.encrypt(round_keys[i]); + } + t = t.encryptLast(round_keys[rounds]); + dst.* = t.toBytes(); + } + + /// Encrypt+XOR a single block. + pub fn xor(ctx: Self, dst: *[16]u8, src: *const [16]u8, counter: [16]u8) void { + const round_keys = ctx.key_schedule.round_keys; + var t = Block.fromBytes(&counter).xor(round_keys[0]); + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + t = t.encrypt(round_keys[i]); + } + t = t.encryptLast(round_keys[rounds]); + dst.* = t.xorBytes(src); + } + + /// Encrypt multiple blocks, possibly leveraging parallelization. + pub fn encryptWide(ctx: Self, comptime count: usize, dst: *[16 * count]u8, src: *const [16 * count]u8) void { + var i: usize = 0; + while (i < count) : (i += 1) { + ctx.encrypt(dst[16 * i .. 16 * i + 16][0..16], src[16 * i .. 16 * i + 16][0..16]); + } + } + + /// Encrypt+XOR multiple blocks, possibly leveraging parallelization. + pub fn xorWide(ctx: Self, comptime count: usize, dst: *[16 * count]u8, src: *const [16 * count]u8, counters: [16 * count]u8) void { + var i: usize = 0; + while (i < count) : (i += 1) { + ctx.xor(dst[16 * i .. 16 * i + 16][0..16], src[16 * i .. 16 * i + 16][0..16], counters[16 * i .. 16 * i + 16][0..16].*); + } + } + }; +} + +/// A context to perform decryption using the standard AES key schedule. +pub fn AESDecryptCtx(comptime AES: type) type { + std.debug.assert(AES.key_bits == 128 or AES.key_bits == 256); + const rounds = AES.rounds; + + return struct { + const Self = @This(); + pub const block = AES.block; + pub const block_size = block.block_size; + key_schedule: KeySchedule(AES), + + /// Create a decryption context from an existing encryption context. + pub fn initFromEnc(ctx: AESEncryptCtx(AES)) Self { + return Self{ + .key_schedule = ctx.key_schedule.invert(), + }; + } + + /// Create a new decryption context with the given key. + pub fn init(key: [AES.key_bits / 8]u8) Self { + const enc_ctx = AESEncryptCtx(AES).init(key); + return initFromEnc(enc_ctx); + } + + /// Decrypt a single block. + pub fn decrypt(ctx: Self, dst: *[16]u8, src: *const [16]u8) void { + const inv_round_keys = ctx.key_schedule.round_keys; + var t = Block.fromBytes(src).xor(inv_round_keys[0]); + comptime var i = 1; + inline while (i < rounds) : (i += 1) { + t = t.decrypt(inv_round_keys[i]); + } + t = t.decryptLast(inv_round_keys[rounds]); + dst.* = t.toBytes(); + } + + /// Decrypt multiple blocks, possibly leveraging parallelization. + pub fn decryptWide(ctx: Self, comptime count: usize, dst: *[16 * count]u8, src: *const [16 * count]u8) void { + var i: usize = 0; + while (i < count) : (i += 1) { + ctx.decrypt(dst[16 * i .. 16 * i + 16][0..16], src[16 * i .. 16 * i + 16][0..16]); + } + } + }; +} + +/// AES-128 with the standard key schedule. +pub const AES128 = struct { + pub const key_bits: usize = 128; + pub const rounds = ((key_bits - 64) / 32 + 8); + pub const block = Block; + + /// Create a new context for encryption. + pub fn initEnc(key: [key_bits / 8]u8) AESEncryptCtx(AES128) { + return AESEncryptCtx(AES128).init(key); + } + + /// Create a new context for decryption. + pub fn initDec(key: [key_bits / 8]u8) AESDecryptCtx(AES128) { + return AESDecryptCtx(AES128).init(key); + } +}; + +/// AES-256 with the standard key schedule. +pub const AES256 = struct { + pub const key_bits: usize = 256; + pub const rounds = ((key_bits - 64) / 32 + 8); + pub const block = Block; + + /// Create a new context for encryption. + pub fn initEnc(key: [key_bits / 8]u8) AESEncryptCtx(AES256) { + return AESEncryptCtx(AES256).init(key); + } + + /// Create a new context for decryption. + pub fn initDec(key: [key_bits / 8]u8) AESDecryptCtx(AES256) { + return AESDecryptCtx(AES256).init(key); + } +}; + +// constants +const powx = [16]u8{ + 0x01, + 0x02, + 0x04, + 0x08, + 0x10, + 0x20, + 0x40, + 0x80, + 0x1b, + 0x36, + 0x6c, + 0xd8, + 0xab, + 0x4d, + 0x9a, + 0x2f, +}; + +const sbox0 align(64) = [256]u8{ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, + 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, + 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, + 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, + 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, + 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, + 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, + 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, + 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, + 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, + 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16, +}; + +const sbox1 align(64) = [256]u8{ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, + 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, + 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, + 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, + 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, + 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, + 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, + 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, + 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, + 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, + 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d, +}; + +const te0 align(64) = [256]u32{ + 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, + 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, + 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, + 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, + 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, + 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, + 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, + 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, + 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, + 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, + 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, + 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, + 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, + 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, + 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, + 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, + 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, + 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, + 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, + 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, + 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, + 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, + 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, + 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, + 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, + 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, + 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, + 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, + 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, + 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, + 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, + 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a, +}; +const te1 align(64) = [256]u32{ + 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, + 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, + 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, + 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, + 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, + 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, + 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, + 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, + 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, + 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, + 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, + 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, + 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, + 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, + 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, + 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, + 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, + 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, + 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, + 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, + 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, + 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, + 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, + 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, + 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, + 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, + 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, + 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, + 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, + 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, + 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, + 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616, +}; +const te2 align(64) = [256]u32{ + 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, + 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, + 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, + 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, + 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, + 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, + 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, + 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, + 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, + 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, + 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, + 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, + 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, + 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, + 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, + 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, + 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, + 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, + 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, + 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, + 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, + 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, + 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, + 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, + 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, + 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, + 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, + 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, + 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, + 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, + 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, + 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16, +}; +const te3 align(64) = [256]u32{ + 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, + 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, + 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, + 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, + 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, + 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, + 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, + 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, + 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, + 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, + 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, + 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, + 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, + 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, + 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, + 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, + 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, + 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, + 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, + 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, + 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, + 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, + 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, + 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, + 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, + 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, + 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, + 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, + 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, + 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, + 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, + 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c, +}; + +const td0 align(64) = [256]u32{ + 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, + 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, + 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, + 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, + 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, + 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, + 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, + 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, + 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, + 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, + 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, + 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, + 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, + 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, + 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, + 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, + 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, + 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, + 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, + 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, + 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, + 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, + 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, + 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, + 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, + 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, + 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, + 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, + 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, + 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, + 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, + 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742, +}; +const td1 align(64) = [256]u32{ + 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, + 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, + 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, + 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, + 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, + 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, + 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, + 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, + 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, + 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, + 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, + 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, + 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, + 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, + 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, + 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, + 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, + 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, + 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, + 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, + 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, + 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, + 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, + 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, + 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, + 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, + 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, + 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, + 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, + 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, + 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, + 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857, +}; +const td2 align(64) = [256]u32{ + 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, + 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, + 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, + 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, + 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, + 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, + 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, + 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, + 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, + 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, + 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, + 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, + 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, + 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, + 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, + 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, + 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, + 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, + 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, + 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, + 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, + 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, + 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, + 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, + 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, + 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, + 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, + 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, + 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, + 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, + 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, + 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8, +}; +const td3 align(64) = [256]u32{ + 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, + 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, + 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, + 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, + 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, + 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, + 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, + 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, + 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, + 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, + 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, + 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, + 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, + 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, + 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, + 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, + 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, + 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, + 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, + 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, + 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, + 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, + 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, + 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, + 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, + 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, + 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, + 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, + 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, + 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, + 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, + 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0, +}; diff --git a/lib/std/crypto/benchmark.zig b/lib/std/crypto/benchmark.zig index e20b27220..860f1269f 100644 --- a/lib/std/crypto/benchmark.zig +++ b/lib/std/crypto/benchmark.zig @@ -179,6 +179,64 @@ pub fn benchmarkAead(comptime Aead: anytype, comptime bytes: comptime_int) !u64 return throughput; } +const aes = [_]Crypto{ + Crypto{ .ty = crypto.core.aes.AES128, .name = "aes128-single" }, + Crypto{ .ty = crypto.core.aes.AES256, .name = "aes256-single" }, +}; + +pub fn benchmarkAES(comptime AES: anytype, comptime count: comptime_int) !u64 { + var key: [AES.key_bits / 8]u8 = undefined; + prng.random.bytes(key[0..]); + const ctx = AES.initEnc(key); + + var in = [_]u8{0} ** 16; + + var timer = try Timer.start(); + const start = timer.lap(); + { + var i: usize = 0; + while (i < count) : (i += 1) { + ctx.encrypt(&in, &in); + } + } + mem.doNotOptimizeAway(&in); + const end = timer.read(); + + const elapsed_s = @intToFloat(f64, end - start) / time.ns_per_s; + const throughput = @floatToInt(u64, count / elapsed_s); + + return throughput; +} + +const aes8 = [_]Crypto{ + Crypto{ .ty = crypto.core.aes.AES128, .name = "aes128-8" }, + Crypto{ .ty = crypto.core.aes.AES256, .name = "aes256-8" }, +}; + +pub fn benchmarkAES8(comptime AES: anytype, comptime count: comptime_int) !u64 { + var key: [AES.key_bits / 8]u8 = undefined; + prng.random.bytes(key[0..]); + const ctx = AES.initEnc(key); + + var in = [_]u8{0} ** (8 * 16); + + var timer = try Timer.start(); + const start = timer.lap(); + { + var i: usize = 0; + while (i < count) : (i += 1) { + ctx.encryptWide(8, &in, &in); + } + } + mem.doNotOptimizeAway(&in); + const end = timer.read(); + + const elapsed_s = @intToFloat(f64, end - start) / time.ns_per_s; + const throughput = @floatToInt(u64, 8 * count / elapsed_s); + + return throughput; +} + fn usage() void { std.debug.warn( \\throughput_test [options] @@ -238,35 +296,49 @@ pub fn main() !void { inline for (hashes) |H| { if (filter == null or std.mem.indexOf(u8, H.name, filter.?) != null) { const throughput = try benchmarkHash(H.ty, mode(128 * MiB)); - try stdout.print("{:>17}: {:7} MiB/s\n", .{ H.name, throughput / (1 * MiB) }); + try stdout.print("{:>17}: {:10} MiB/s\n", .{ H.name, throughput / (1 * MiB) }); } } inline for (macs) |M| { if (filter == null or std.mem.indexOf(u8, M.name, filter.?) != null) { const throughput = try benchmarkMac(M.ty, mode(128 * MiB)); - try stdout.print("{:>17}: {:7} MiB/s\n", .{ M.name, throughput / (1 * MiB) }); + try stdout.print("{:>17}: {:10} MiB/s\n", .{ M.name, throughput / (1 * MiB) }); } } inline for (exchanges) |E| { if (filter == null or std.mem.indexOf(u8, E.name, filter.?) != null) { const throughput = try benchmarkKeyExchange(E.ty, mode(1000)); - try stdout.print("{:>17}: {:7} exchanges/s\n", .{ E.name, throughput }); + try stdout.print("{:>17}: {:10} exchanges/s\n", .{ E.name, throughput }); } } inline for (signatures) |E| { if (filter == null or std.mem.indexOf(u8, E.name, filter.?) != null) { const throughput = try benchmarkSignature(E.ty, mode(1000)); - try stdout.print("{:>17}: {:7} signatures/s\n", .{ E.name, throughput }); + try stdout.print("{:>17}: {:10} signatures/s\n", .{ E.name, throughput }); } } inline for (aeads) |E| { if (filter == null or std.mem.indexOf(u8, E.name, filter.?) != null) { const throughput = try benchmarkAead(E.ty, mode(128 * MiB)); - try stdout.print("{:>17}: {:7} MiB/s\n", .{ E.name, throughput / (1 * MiB) }); + try stdout.print("{:>17}: {:10} MiB/s\n", .{ E.name, throughput / (1 * MiB) }); + } + } + + inline for (aes) |E| { + if (filter == null or std.mem.indexOf(u8, E.name, filter.?) != null) { + const throughput = try benchmarkAES(E.ty, mode(100000000)); + try stdout.print("{:>17}: {:10} ops/s\n", .{ E.name, throughput }); + } + } + + inline for (aes8) |E| { + if (filter == null or std.mem.indexOf(u8, E.name, filter.?) != null) { + const throughput = try benchmarkAES8(E.ty, mode(10000000)); + try stdout.print("{:>17}: {:10} ops/s\n", .{ E.name, throughput }); } } } diff --git a/lib/std/crypto/modes.zig b/lib/std/crypto/modes.zig new file mode 100644 index 000000000..5c1fa4b2f --- /dev/null +++ b/lib/std/crypto/modes.zig @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: MIT +// Copyright (c) 2015-2020 Zig Contributors +// This file is part of [zig](https://ziglang.org/), which is MIT licensed. +// The MIT license requires this copyright notice to be included in all copies +// and substantial portions of the software. +// Based on Go stdlib implementation + +const std = @import("../std.zig"); +const builtin = std.builtin; +const mem = std.mem; +const debug = std.debug; + +/// Counter mode. +/// +/// This mode creates a key stream by encrypting an incrementing counter using a block cipher, and adding it to the source material. +/// +/// Important: the counter mode doesn't provide authenticated encryption: the ciphertext can be trivially modified without this being detected. +/// As a result, applications should generally never use it directly, but only in a construction that includes a MAC. +pub fn ctr(comptime BlockCipher: anytype, block_cipher: BlockCipher, dst: []u8, src: []const u8, iv: [BlockCipher.block_size]u8, endian: comptime builtin.Endian) void { + debug.assert(dst.len >= src.len); + const block_size = BlockCipher.block_size; + var counter: [BlockCipher.block_size]u8 = undefined; + var counterInt = mem.readInt(u128, &iv, endian); + var i: usize = 0; + + const parallel_count = BlockCipher.block.parallel.optimal_parallel_blocks; + const wide_block_size = parallel_count * 16; + if (src.len >= wide_block_size) { + var counters: [parallel_count * 16]u8 = undefined; + while (i + wide_block_size <= src.len) : (i += wide_block_size) { + comptime var j = 0; + inline while (j < parallel_count) : (j += 1) { + mem.writeInt(u128, counters[j * 16 .. j * 16 + 16], counterInt, endian); + counterInt +%= 1; + } + block_cipher.xorWide(parallel_count, dst[i .. i + wide_block_size][0..wide_block_size], src[i .. i + wide_block_size][0..wide_block_size], counters); + } + } + while (i + block_size <= src.len) : (i += block_size) { + mem.writeInt(u128, &counter, counterInt, endian); + counterInt +%= 1; + block_cipher.xor(dst[i .. i + block_size][0..block_size], src[i .. i + block_size][0..block_size], counter); + } + if (i < src.len) { + mem.writeInt(u128, &counter, counterInt, endian); + var pad = [_]u8{0} ** block_size; + mem.copy(u8, &pad, src[i..]); + block_cipher.xor(&pad, &pad, counter); + mem.copy(u8, dst[i..], pad[0 .. src.len - i]); + } +} diff --git a/lib/std/event/lock.zig b/lib/std/event/lock.zig index d27a12aef..a83395d7d 100644 --- a/lib/std/event/lock.zig +++ b/lib/std/event/lock.zig @@ -16,107 +16,107 @@ const Loop = std.event.Loop; /// Allows only one actor to hold the lock. /// TODO: make this API also work in blocking I/O mode. pub const Lock = struct { - shared: bool, - queue: Queue, - queue_empty: bool, + mutex: std.Mutex = std.Mutex{}, + head: usize = UNLOCKED, - const Queue = std.atomic.Queue(anyframe); + const UNLOCKED = 0; + const LOCKED = 1; const global_event_loop = Loop.instance orelse @compileError("std.event.Lock currently only works with event-based I/O"); - pub const Held = struct { - lock: *Lock, - - pub fn release(self: Held) void { - // Resume the next item from the queue. - if (self.lock.queue.get()) |node| { - global_event_loop.onNextTick(node); - return; - } - - // We need to release the lock. - @atomicStore(bool, &self.lock.queue_empty, true, .SeqCst); - @atomicStore(bool, &self.lock.shared, false, .SeqCst); - - // There might be a queue item. If we know the queue is empty, we can be done, - // because the other actor will try to obtain the lock. - // But if there's a queue item, we are the actor which must loop and attempt - // to grab the lock again. - if (@atomicLoad(bool, &self.lock.queue_empty, .SeqCst)) { - return; - } - - while (true) { - if (@atomicRmw(bool, &self.lock.shared, .Xchg, true, .SeqCst)) { - // We did not obtain the lock. Great, the queue is someone else's problem. - return; - } - - // Resume the next item from the queue. - if (self.lock.queue.get()) |node| { - global_event_loop.onNextTick(node); - return; - } - - // Release the lock again. - @atomicStore(bool, &self.lock.queue_empty, true, .SeqCst); - @atomicStore(bool, &self.lock.shared, false, .SeqCst); - - // Find out if we can be done. - if (@atomicLoad(bool, &self.lock.queue_empty, .SeqCst)) { - return; - } - } - } + const Waiter = struct { + // forced Waiter alignment to ensure it doesn't clash with LOCKED + next: ?*Waiter align(2), + tail: *Waiter, + node: Loop.NextTickNode, }; - pub fn init() Lock { - return Lock{ - .shared = false, - .queue = Queue.init(), - .queue_empty = true, + pub fn acquire(self: *Lock) Held { + const held = self.mutex.acquire(); + + // self.head transitions from multiple stages depending on the value: + // UNLOCKED -> LOCKED: + // acquire Lock ownership when theres no waiters + // LOCKED -> : + // Lock is already owned, enqueue first Waiter + // -> : + // Lock is owned with pending waiters. Push our waiter to the queue. + + if (self.head == UNLOCKED) { + self.head = LOCKED; + held.release(); + return Held{ .lock = self }; + } + + var waiter: Waiter = undefined; + waiter.next = null; + waiter.tail = &waiter; + + const head = switch (self.head) { + UNLOCKED => unreachable, + LOCKED => null, + else => @intToPtr(*Waiter, self.head), }; - } - pub fn initLocked() Lock { - return Lock{ - .shared = true, - .queue = Queue.init(), - .queue_empty = true, - }; - } + if (head) |h| { + h.tail.next = &waiter; + h.tail = &waiter; + } else { + self.head = @ptrToInt(&waiter); + } - /// Must be called when not locked. Not thread safe. - /// All calls to acquire() and release() must complete before calling deinit(). - pub fn deinit(self: *Lock) void { - assert(!self.shared); - while (self.queue.get()) |node| resume node.data; - } - - pub fn acquire(self: *Lock) callconv(.Async) Held { - var my_tick_node = Loop.NextTickNode.init(@frame()); - - errdefer _ = self.queue.remove(&my_tick_node); // TODO test canceling an acquire suspend { - self.queue.put(&my_tick_node); - - // At this point, we are in the queue, so we might have already been resumed. - - // We set this bit so that later we can rely on the fact, that if queue_empty == true, some actor - // will attempt to grab the lock. - @atomicStore(bool, &self.queue_empty, false, .SeqCst); - - if (!@atomicRmw(bool, &self.shared, .Xchg, true, .SeqCst)) { - if (self.queue.get()) |node| { - // Whether this node is us or someone else, we tail resume it. - resume node.data; - } - } + waiter.node = Loop.NextTickNode{ + .prev = undefined, + .next = undefined, + .data = @frame(), + }; + held.release(); } return Held{ .lock = self }; } + + pub const Held = struct { + lock: *Lock, + + pub fn release(self: Held) void { + const waiter = blk: { + const held = self.lock.mutex.acquire(); + defer held.release(); + + // self.head goes through the reverse transition from acquire(): + // -> : + // pop a waiter from the queue to give Lock ownership when theres still others pending + // -> LOCKED: + // pop the laster waiter from the queue, while also giving it lock ownership when awaken + // LOCKED -> UNLOCKED: + // last lock owner releases lock while no one else is waiting for it + + switch (self.lock.head) { + UNLOCKED => { + unreachable; // Lock unlocked while unlocking + }, + LOCKED => { + self.lock.head = UNLOCKED; + break :blk null; + }, + else => { + const waiter = @intToPtr(*Waiter, self.lock.head); + self.lock.head = if (waiter.next == null) LOCKED else @ptrToInt(waiter.next); + if (waiter.next) |next| + next.tail = waiter.tail; + break :blk waiter; + }, + } + }; + + if (waiter) |w| { + global_event_loop.onNextTick(&w.node); + } + } + }; }; test "std.event.Lock" { @@ -128,41 +128,16 @@ test "std.event.Lock" { // TODO https://github.com/ziglang/zig/issues/3251 if (builtin.os.tag == .freebsd) return error.SkipZigTest; - // TODO this file has bit-rotted. repair it - if (true) return error.SkipZigTest; - - var lock = Lock.init(); - defer lock.deinit(); - - _ = async testLock(&lock); + var lock = Lock{}; + testLock(&lock); const expected_result = [1]i32{3 * @intCast(i32, shared_test_data.len)} ** shared_test_data.len; testing.expectEqualSlices(i32, &expected_result, &shared_test_data); } -fn testLock(lock: *Lock) callconv(.Async) void { +fn testLock(lock: *Lock) void { var handle1 = async lockRunner(lock); - var tick_node1 = Loop.NextTickNode{ - .prev = undefined, - .next = undefined, - .data = &handle1, - }; - Loop.instance.?.onNextTick(&tick_node1); - var handle2 = async lockRunner(lock); - var tick_node2 = Loop.NextTickNode{ - .prev = undefined, - .next = undefined, - .data = &handle2, - }; - Loop.instance.?.onNextTick(&tick_node2); - var handle3 = async lockRunner(lock); - var tick_node3 = Loop.NextTickNode{ - .prev = undefined, - .next = undefined, - .data = &handle3, - }; - Loop.instance.?.onNextTick(&tick_node3); await handle1; await handle2; @@ -171,13 +146,13 @@ fn testLock(lock: *Lock) callconv(.Async) void { var shared_test_data = [1]i32{0} ** 10; var shared_test_index: usize = 0; -fn lockRunner(lock: *Lock) callconv(.Async) void { - suspend; // resumed by onNextTick + +fn lockRunner(lock: *Lock) void { + Lock.global_event_loop.yield(); var i: usize = 0; while (i < shared_test_data.len) : (i += 1) { - var lock_frame = async lock.acquire(); - const handle = await lock_frame; + const handle = lock.acquire(); defer handle.release(); shared_test_index = 0; diff --git a/lib/std/event/loop.zig b/lib/std/event/loop.zig index 2600b337b..2ed9f938d 100644 --- a/lib/std/event/loop.zig +++ b/lib/std/event/loop.zig @@ -112,8 +112,9 @@ pub const Loop = struct { /// have the correct pointer value. /// https://github.com/ziglang/zig/issues/2761 and https://github.com/ziglang/zig/issues/2765 pub fn init(self: *Loop) !void { - if (builtin.single_threaded - or (@hasDecl(root, "event_loop_mode") and root.event_loop_mode == .single_threaded)) { + if (builtin.single_threaded or + (@hasDecl(root, "event_loop_mode") and root.event_loop_mode == .single_threaded)) + { return self.initSingleThreaded(); } else { return self.initMultiThreaded(); @@ -687,9 +688,14 @@ pub const Loop = struct { switch (builtin.os.tag) { .linux => { - // writing 8 bytes to an eventfd cannot fail - const amt = os.write(self.os_data.final_eventfd, &wakeup_bytes) catch unreachable; - assert(amt == wakeup_bytes.len); + // writing to the eventfd will only wake up one thread, thus multiple writes + // are needed to wakeup all the threads + var i: usize = 0; + while (i < self.extra_threads.len + 1) : (i += 1) { + // writing 8 bytes to an eventfd cannot fail + const amt = os.write(self.os_data.final_eventfd, &wakeup_bytes) catch unreachable; + assert(amt == wakeup_bytes.len); + } return; }, .macosx, .freebsd, .netbsd, .dragonfly => { @@ -715,6 +721,50 @@ pub const Loop = struct { } } + /// ------- I/0 APIs ------- + pub fn accept( + self: *Loop, + /// This argument is a socket that has been created with `socket`, bound to a local address + /// with `bind`, and is listening for connections after a `listen`. + sockfd: os.fd_t, + /// This argument is a pointer to a sockaddr structure. This structure is filled in with the + /// address of the peer socket, as known to the communications layer. The exact format of the + /// address returned addr is determined by the socket's address family (see `socket` and the + /// respective protocol man pages). + addr: *os.sockaddr, + /// This argument is a value-result argument: the caller must initialize it to contain the + /// size (in bytes) of the structure pointed to by addr; on return it will contain the actual size + /// of the peer address. + /// + /// The returned address is truncated if the buffer provided is too small; in this case, `addr_size` + /// will return a value greater than was supplied to the call. + addr_size: *os.socklen_t, + /// The following values can be bitwise ORed in flags to obtain different behavior: + /// * `SOCK_CLOEXEC` - Set the close-on-exec (`FD_CLOEXEC`) flag on the new file descriptor. See the + /// description of the `O_CLOEXEC` flag in `open` for reasons why this may be useful. + flags: u32, + ) os.AcceptError!os.fd_t { + while (true) { + return os.accept(sockfd, addr, addr_size, flags | os.SOCK_NONBLOCK) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdReadable(sockfd); + continue; + }, + else => return err, + }; + } + } + + pub fn connect(self: *Loop, sockfd: os.socket_t, sock_addr: *const os.sockaddr, len: os.socklen_t) os.ConnectError!void { + os.connect(sockfd, sock_addr, len) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdWritable(sockfd); + return os.getsockoptError(sockfd); + }, + else => return err, + }; + } + /// Performs an async `os.open` using a separate thread. pub fn openZ(self: *Loop, file_path: [*:0]const u8, flags: u32, mode: os.mode_t) os.OpenError!os.fd_t { var req_node = Request.Node{ @@ -773,152 +823,309 @@ pub const Loop = struct { /// Performs an async `os.read` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn read(self: *Loop, fd: os.fd_t, buf: []u8) os.ReadError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .read = .{ - .fd = fd, - .buf = buf, - .result = undefined, + pub fn read(self: *Loop, fd: os.fd_t, buf: []u8, simulate_evented: bool) os.ReadError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .read = .{ + .fd = fd, + .buf = buf, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.read.result; + } else { + while (true) { + return os.read(fd, buf) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdReadable(fd); + continue; + }, + else => return err, + }; + } } - return req_node.data.msg.read.result; } /// Performs an async `os.readv` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn readv(self: *Loop, fd: os.fd_t, iov: []const os.iovec) os.ReadError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .readv = .{ - .fd = fd, - .iov = iov, - .result = undefined, + pub fn readv(self: *Loop, fd: os.fd_t, iov: []const os.iovec, simulate_evented: bool) os.ReadError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .readv = .{ + .fd = fd, + .iov = iov, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.readv.result; + } else { + while (true) { + return os.readv(fd, iov) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdReadable(fd); + continue; + }, + else => return err, + }; + } } - return req_node.data.msg.readv.result; } /// Performs an async `os.pread` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn pread(self: *Loop, fd: os.fd_t, buf: []u8, offset: u64) os.PReadError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .pread = .{ - .fd = fd, - .buf = buf, - .offset = offset, - .result = undefined, + pub fn pread(self: *Loop, fd: os.fd_t, buf: []u8, offset: u64, simulate_evented: bool) os.PReadError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .pread = .{ + .fd = fd, + .buf = buf, + .offset = offset, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.pread.result; + } else { + while (true) { + return os.pread(fd, buf, offset) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdReadable(fd); + continue; + }, + else => return err, + }; + } } - return req_node.data.msg.pread.result; } /// Performs an async `os.preadv` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn preadv(self: *Loop, fd: os.fd_t, iov: []const os.iovec, offset: u64) os.ReadError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .preadv = .{ - .fd = fd, - .iov = iov, - .offset = offset, - .result = undefined, + pub fn preadv(self: *Loop, fd: os.fd_t, iov: []const os.iovec, offset: u64, simulate_evented: bool) os.ReadError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .preadv = .{ + .fd = fd, + .iov = iov, + .offset = offset, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.preadv.result; + } else { + while (true) { + return os.preadv(fd, iov, offset) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdReadable(fd); + continue; + }, + else => return err, + }; + } } - return req_node.data.msg.preadv.result; } /// Performs an async `os.write` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn write(self: *Loop, fd: os.fd_t, bytes: []const u8) os.WriteError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .write = .{ - .fd = fd, - .bytes = bytes, - .result = undefined, + pub fn write(self: *Loop, fd: os.fd_t, bytes: []const u8, simulate_evented: bool) os.WriteError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .write = .{ + .fd = fd, + .bytes = bytes, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.write.result; + } else { + while (true) { + return os.write(fd, bytes) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdWritable(fd); + continue; + }, + else => return err, + }; + } } - return req_node.data.msg.write.result; } /// Performs an async `os.writev` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn writev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const) os.WriteError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .writev = .{ - .fd = fd, - .iov = iov, - .result = undefined, + pub fn writev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const, simulate_evented: bool) os.WriteError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .writev = .{ + .fd = fd, + .iov = iov, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.writev.result; + } else { + while (true) { + return os.writev(fd, iov) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdWritable(fd); + continue; + }, + else => return err, + }; + } + } + } + + /// Performs an async `os.pwrite` using a separate thread. + /// `fd` must block and not return EAGAIN. + pub fn pwrite(self: *Loop, fd: os.fd_t, bytes: []const u8, offset: u64, simulate_evented: bool) os.PerformsWriteError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .pwrite = .{ + .fd = fd, + .bytes = bytes, + .offset = offset, + .result = undefined, + }, + }, + .finish = .{ .TickNode = .{ .data = @frame() } }, + }, + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.pwrite.result; + } else { + while (true) { + return os.pwrite(fd, bytes, offset) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdWritable(fd); + continue; + }, + else => return err, + }; + } } - return req_node.data.msg.writev.result; } /// Performs an async `os.pwritev` using a separate thread. /// `fd` must block and not return EAGAIN. - pub fn pwritev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const, offset: u64) os.WriteError!usize { - var req_node = Request.Node{ - .data = .{ - .msg = .{ - .pwritev = .{ - .fd = fd, - .iov = iov, - .offset = offset, - .result = undefined, + pub fn pwritev(self: *Loop, fd: os.fd_t, iov: []const os.iovec_const, offset: u64, simulate_evented: bool) os.PWriteError!usize { + if (simulate_evented) { + var req_node = Request.Node{ + .data = .{ + .msg = .{ + .pwritev = .{ + .fd = fd, + .iov = iov, + .offset = offset, + .result = undefined, + }, }, + .finish = .{ .TickNode = .{ .data = @frame() } }, }, - .finish = .{ .TickNode = .{ .data = @frame() } }, - }, - }; - suspend { - self.posixFsRequest(&req_node); + }; + suspend { + self.posixFsRequest(&req_node); + } + return req_node.data.msg.pwritev.result; + } else { + while (true) { + return os.pwritev(fd, iov, offset) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdWritable(fd); + continue; + }, + else => return err, + }; + } + } + } + + pub fn sendto( + self: *Loop, + /// The file descriptor of the sending socket. + sockfd: os.fd_t, + /// Message to send. + buf: []const u8, + flags: u32, + dest_addr: ?*const os.sockaddr, + addrlen: os.socklen_t, + ) os.SendError!usize { + while (true) { + return os.sendto(sockfd, buf, flags, dest_addr, addrlen) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdWritable(sockfd); + continue; + }, + else => return err, + }; + } + } + + pub fn recvfrom( + sockfd: os.fd_t, + buf: []u8, + flags: u32, + src_addr: ?*os.sockaddr, + addrlen: ?*os.socklen_t, + ) os.RecvFromError!usize { + while (true) { + return os.recvfrom(sockfd, buf, flags, src_addr, addrlen) catch |err| switch (err) { + error.WouldBlock => { + self.waitUntilFdReadable(sockfd); + continue; + }, + else => return err, + }; } - return req_node.data.msg.pwritev.result; } /// Performs an async `os.faccessatZ` using a separate thread. @@ -1073,6 +1280,9 @@ pub const Loop = struct { .writev => |*msg| { msg.result = os.writev(msg.fd, msg.iov); }, + .pwrite => |*msg| { + msg.result = os.pwrite(msg.fd, msg.bytes, msg.offset); + }, .pwritev => |*msg| { msg.result = os.pwritev(msg.fd, msg.iov, msg.offset); }, @@ -1142,6 +1352,7 @@ pub const Loop = struct { readv: ReadV, write: Write, writev: WriteV, + pwrite: PWrite, pwritev: PWriteV, pread: PRead, preadv: PReadV, @@ -1185,6 +1396,15 @@ pub const Loop = struct { pub const Error = os.WriteError; }; + pub const PWrite = struct { + fd: os.fd_t, + bytes: []const u8, + offset: usize, + result: Error!usize, + + pub const Error = os.PWriteError; + }; + pub const PWriteV = struct { fd: os.fd_t, iov: []const os.iovec_const, diff --git a/lib/std/fifo.zig b/lib/std/fifo.zig index c92da615f..91d4c0330 100644 --- a/lib/std/fifo.zig +++ b/lib/std/fifo.zig @@ -186,7 +186,9 @@ pub fn LinearFifo( } else { var head = self.head + count; if (powers_of_two) { - head &= self.buf.len - 1; + // Note it is safe to do a wrapping subtract as + // bitwise & with all 1s is a noop + head &= self.buf.len -% 1; } else { head %= self.buf.len; } @@ -376,6 +378,14 @@ pub fn LinearFifo( }; } +test "LinearFifo(u8, .Dynamic) discard(0) from empty buffer should not error on overflow" { + var fifo = LinearFifo(u8, .Dynamic).init(testing.allocator); + defer fifo.deinit(); + + // If overflow is not explicitly allowed this will crash in debug / safe mode + fifo.discard(0); +} + test "LinearFifo(u8, .Dynamic)" { var fifo = LinearFifo(u8, .Dynamic).init(testing.allocator); defer fifo.deinit(); diff --git a/lib/std/fs/file.zig b/lib/std/fs/file.zig index 73babf5fa..8d4f5df2e 100644 --- a/lib/std/fs/file.zig +++ b/lib/std/fs/file.zig @@ -414,10 +414,12 @@ pub const File = struct { pub fn read(self: File, buffer: []u8) ReadError!usize { if (is_windows) { return windows.ReadFile(self.handle, buffer, null, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.read(self.handle, buffer); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.read(self.handle, buffer); + } else { + return std.event.Loop.instance.?.read(self.handle, buffer, self.capable_io_mode != self.intended_io_mode); } } @@ -436,10 +438,12 @@ pub const File = struct { pub fn pread(self: File, buffer: []u8, offset: u64) PReadError!usize { if (is_windows) { return windows.ReadFile(self.handle, buffer, offset, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.pread(self.handle, buffer, offset); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.pread(self.handle, buffer, offset); + } else { + return std.event.Loop.instance.?.pread(self.handle, buffer, offset, self.capable_io_mode != self.intended_io_mode); } } @@ -461,10 +465,12 @@ pub const File = struct { if (iovecs.len == 0) return @as(usize, 0); const first = iovecs[0]; return windows.ReadFile(self.handle, first.iov_base[0..first.iov_len], null, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.readv(self.handle, iovecs); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.readv(self.handle, iovecs); + } else { + return std.event.Loop.instance.?.readv(self.handle, iovecs, self.capable_io_mode != self.intended_io_mode); } } @@ -500,10 +506,12 @@ pub const File = struct { if (iovecs.len == 0) return @as(usize, 0); const first = iovecs[0]; return windows.ReadFile(self.handle, first.iov_base[0..first.iov_len], offset, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.preadv(self.handle, iovecs, offset); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.preadv(self.handle, iovecs, offset); + } else { + return std.event.Loop.instance.?.preadv(self.handle, iovecs, offset, self.capable_io_mode != self.intended_io_mode); } } @@ -539,10 +547,12 @@ pub const File = struct { pub fn write(self: File, bytes: []const u8) WriteError!usize { if (is_windows) { return windows.WriteFile(self.handle, bytes, null, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.write(self.handle, bytes); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.write(self.handle, bytes); + } else { + return std.event.Loop.instance.?.write(self.handle, bytes, self.capable_io_mode != self.intended_io_mode); } } @@ -556,10 +566,12 @@ pub const File = struct { pub fn pwrite(self: File, bytes: []const u8, offset: u64) PWriteError!usize { if (is_windows) { return windows.WriteFile(self.handle, bytes, offset, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.pwrite(self.handle, bytes, offset); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.pwrite(self.handle, bytes, offset); + } else { + return std.event.Loop.instance.?.pwrite(self.handle, bytes, offset, self.capable_io_mode != self.intended_io_mode); } } @@ -576,10 +588,12 @@ pub const File = struct { if (iovecs.len == 0) return @as(usize, 0); const first = iovecs[0]; return windows.WriteFile(self.handle, first.iov_base[0..first.iov_len], null, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.writev(self.handle, iovecs); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.writev(self.handle, iovecs); + } else { + return std.event.Loop.instance.?.writev(self.handle, iovecs, self.capable_io_mode != self.intended_io_mode); } } @@ -607,10 +621,12 @@ pub const File = struct { if (iovecs.len == 0) return @as(usize, 0); const first = iovecs[0]; return windows.WriteFile(self.handle, first.iov_base[0..first.iov_len], offset, self.intended_io_mode); - } else if (self.capable_io_mode != self.intended_io_mode) { - return std.event.Loop.instance.?.pwritev(self.handle, iovecs, offset); - } else { + } + + if (self.intended_io_mode == .blocking) { return os.pwritev(self.handle, iovecs, offset); + } else { + return std.event.Loop.instance.?.pwritev(self.handle, iovecs, offset, self.capable_io_mode != self.intended_io_mode); } } diff --git a/lib/std/fs/test.zig b/lib/std/fs/test.zig index b3cc1fe56..8d7ef5172 100644 --- a/lib/std/fs/test.zig +++ b/lib/std/fs/test.zig @@ -813,3 +813,26 @@ fn run_lock_file_test(contexts: []FileLockTestContext) !void { try threads.append(try std.Thread.spawn(ctx, FileLockTestContext.run)); } } + +test "deleteDir" { + var tmp_dir = tmpDir(.{}); + defer tmp_dir.cleanup(); + + // deleting a non-existent directory + testing.expectError(error.FileNotFound, tmp_dir.dir.deleteDir("test_dir")); + + var dir = try tmp_dir.dir.makeOpenPath("test_dir", .{}); + var file = try dir.createFile("test_file", .{}); + file.close(); + dir.close(); + + // deleting a non-empty directory + testing.expectError(error.DirNotEmpty, tmp_dir.dir.deleteDir("test_dir")); + + dir = try tmp_dir.dir.openDir("test_dir", .{}); + try dir.deleteFile("test_file"); + dir.close(); + + // deleting an empty directory + try tmp_dir.dir.deleteDir("test_dir"); +} diff --git a/lib/std/heap.zig b/lib/std/heap.zig index 16de215cc..cf32cff64 100644 --- a/lib/std/heap.zig +++ b/lib/std/heap.zig @@ -919,6 +919,13 @@ pub fn testAllocator(base_allocator: *mem.Allocator) !void { const zero_bit_ptr = try allocator.create(u0); zero_bit_ptr.* = 0; allocator.destroy(zero_bit_ptr); + + const oversize = try allocator.allocAdvanced(u32, null, 5, .at_least); + testing.expect(oversize.len >= 5); + for (oversize) |*item| { + item.* = 0xDEADBEEF; + } + allocator.free(oversize); } pub fn testAllocatorAligned(base_allocator: *mem.Allocator, comptime alignment: u29) !void { diff --git a/lib/std/heap/arena_allocator.zig b/lib/std/heap/arena_allocator.zig index 0737cb2ef..b7ee1d54c 100644 --- a/lib/std/heap/arena_allocator.zig +++ b/lib/std/heap/arena_allocator.zig @@ -75,13 +75,22 @@ pub const ArenaAllocator = struct { const adjusted_addr = mem.alignForward(addr, ptr_align); const adjusted_index = self.state.end_index + (adjusted_addr - addr); const new_end_index = adjusted_index + n; - if (new_end_index > cur_buf.len) { - cur_node = try self.createNode(cur_buf.len, n + ptr_align); - continue; + + if (new_end_index <= cur_buf.len) { + const result = cur_buf[adjusted_index..new_end_index]; + self.state.end_index = new_end_index; + return result; } - const result = cur_buf[adjusted_index..new_end_index]; - self.state.end_index = new_end_index; - return result; + + const bigger_buf_size = @sizeOf(BufNode) + new_end_index; + // Try to grow the buffer in-place + cur_node.data = self.child_allocator.resize(cur_node.data, bigger_buf_size) catch |err| switch (err) { + error.OutOfMemory => { + // Allocate a new node if that's not possible + cur_node = try self.createNode(cur_buf.len, n + ptr_align); + continue; + }, + }; } } diff --git a/lib/std/net.zig b/lib/std/net.zig index 45d8f07f0..fe7d0fafe 100644 --- a/lib/std/net.zig +++ b/lib/std/net.zig @@ -614,11 +614,11 @@ pub fn connectUnixSocket(path: []const u8) !fs.File { var addr = try std.net.Address.initUnix(path); - try os.connect( - sockfd, - &addr.any, - addr.getOsSockLen(), - ); + if (std.io.is_async) { + try loop.connect(sockfd, &addr.any, addr.getOsSockLen()); + } else { + try os.connect(sockfd, &addr.any, addr.getOsSockLen()); + } return fs.File{ .handle = sockfd, @@ -677,7 +677,13 @@ pub fn tcpConnectToAddress(address: Address) !fs.File { (if (builtin.os.tag == .windows) 0 else os.SOCK_CLOEXEC); const sockfd = try os.socket(address.any.family, sock_flags, os.IPPROTO_TCP); errdefer os.close(sockfd); - try os.connect(sockfd, &address.any, address.getOsSockLen()); + + if (std.io.is_async) { + const loop = std.event.Loop.instance orelse return error.WouldBlock; + try loop.connect(sockfd, &address.any, address.getOsSockLen()); + } else { + try os.connect(sockfd, &address.any, address.getOsSockLen()); + } return fs.File{ .handle = sockfd }; } @@ -1429,7 +1435,11 @@ fn resMSendRc( if (answers[i].len == 0) { var j: usize = 0; while (j < ns.len) : (j += 1) { - _ = os.sendto(fd, queries[i], os.MSG_NOSIGNAL, &ns[j].any, sl) catch undefined; + if (std.io.is_async) { + _ = std.event.Loop.instance.?.sendto(fd, queries[i], os.MSG_NOSIGNAL, &ns[j].any, sl) catch undefined; + } else { + _ = os.sendto(fd, queries[i], os.MSG_NOSIGNAL, &ns[j].any, sl) catch undefined; + } } } } @@ -1444,7 +1454,10 @@ fn resMSendRc( while (true) { var sl_copy = sl; - const rlen = os.recvfrom(fd, answer_bufs[next], 0, &sa.any, &sl_copy) catch break; + const rlen = if (std.io.is_async) + std.event.Loop.instance.?.recvfrom(fd, answer_bufs[next], 0, &sa.any, &sl_copy) catch break + else + os.recvfrom(fd, answer_bufs[next], 0, &sa.any, &sl_copy) catch break; // Ignore non-identifiable packets if (rlen < 4) continue; @@ -1470,7 +1483,11 @@ fn resMSendRc( 0, 3 => {}, 2 => if (servfail_retry != 0) { servfail_retry -= 1; - _ = os.sendto(fd, queries[i], os.MSG_NOSIGNAL, &ns[j].any, sl) catch undefined; + if (std.io.is_async) { + _ = std.event.Loop.instance.?.sendto(fd, queries[i], os.MSG_NOSIGNAL, &ns[j].any, sl) catch undefined; + } else { + _ = os.sendto(fd, queries[i], os.MSG_NOSIGNAL, &ns[j].any, sl) catch undefined; + } }, else => continue, } @@ -1661,18 +1678,23 @@ pub const StreamServer = struct { /// If this function succeeds, the returned `Connection` is a caller-managed resource. pub fn accept(self: *StreamServer) AcceptError!Connection { - const nonblock = if (std.io.is_async) os.SOCK_NONBLOCK else 0; - const accept_flags = nonblock | os.SOCK_CLOEXEC; var accepted_addr: Address = undefined; var adr_len: os.socklen_t = @sizeOf(Address); - if (os.accept(self.sockfd.?, &accepted_addr.any, &adr_len, accept_flags)) |fd| { + const accept_result = blk: { + if (std.io.is_async) { + const loop = std.event.Loop.instance orelse return error.UnexpectedError; + break :blk loop.accept(self.sockfd.?, &accepted_addr.any, &adr_len, os.SOCK_CLOEXEC); + } else { + break :blk os.accept(self.sockfd.?, &accepted_addr.any, &adr_len, os.SOCK_CLOEXEC); + } + }; + + if (accept_result) |fd| { return Connection{ .file = fs.File{ .handle = fd }, .address = accepted_addr, }; } else |err| switch (err) { - // We only give SOCK_NONBLOCK when I/O mode is async, in which case this error - // is handled by os.accept4. error.WouldBlock => unreachable, else => |e| return e, } diff --git a/lib/std/os.zig b/lib/std/os.zig index 0b09b1f82..c06ce4ed0 100644 --- a/lib/std/os.zig +++ b/lib/std/os.zig @@ -314,8 +314,8 @@ pub const ReadError = error{ /// Returns the number of bytes that were read, which can be less than /// buf.len. If 0 bytes were read, that means EOF. -/// If the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in error.WouldBlock. +/// If `fd` is opened in non blocking mode, the function will return error.WouldBlock +/// when EAGAIN is received. /// /// Linux has a limit on how many bytes may be transferred in one `read` call, which is `0x7ffff000` /// on both 64-bit and 32-bit systems. This is due to using a signed C int as the return value, as @@ -366,12 +366,7 @@ pub fn read(fd: fd_t, buf: []u8) ReadError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdReadable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForReading, // Can be a race condition. EIO => return error.InputOutput, EISDIR => return error.IsDir, @@ -387,8 +382,8 @@ pub fn read(fd: fd_t, buf: []u8) ReadError!usize { /// Number of bytes read is returned. Upon reading end-of-file, zero is returned. /// -/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// For POSIX systems, if `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are /// used to perform the I/O. `error.WouldBlock` is not possible on Windows. /// @@ -428,12 +423,7 @@ pub fn readv(fd: fd_t, iov: []const iovec) ReadError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdReadable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForReading, // can be a race condition EIO => return error.InputOutput, EISDIR => return error.IsDir, @@ -450,8 +440,8 @@ pub const PReadError = ReadError || error{Unseekable}; /// /// Retries when interrupted by a signal. /// -/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// For POSIX systems, if `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are /// used to perform the I/O. `error.WouldBlock` is not possible on Windows. pub fn pread(fd: fd_t, buf: []u8, offset: u64) PReadError!usize { @@ -492,12 +482,7 @@ pub fn pread(fd: fd_t, buf: []u8, offset: u64) PReadError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdReadable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForReading, // Can be a race condition. EIO => return error.InputOutput, EISDIR => return error.IsDir, @@ -586,8 +571,8 @@ pub fn ftruncate(fd: fd_t, length: u64) TruncateError!void { /// /// Retries when interrupted by a signal. /// -/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// For POSIX systems, if `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are /// used to perform the I/O. `error.WouldBlock` is not possible on Windows. /// @@ -637,12 +622,7 @@ pub fn preadv(fd: fd_t, iov: []const iovec, offset: u64) PReadError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdReadable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForReading, // can be a race condition EIO => return error.InputOutput, EISDIR => return error.IsDir, @@ -687,8 +667,8 @@ pub const WriteError = error{ /// another write() call to transfer the remaining bytes. The subsequent call will either /// transfer further bytes or may result in an error (e.g., if the disk is now full). /// -/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// For POSIX systems, if `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are /// used to perform the I/O. `error.WouldBlock` is not possible on Windows. /// @@ -741,12 +721,7 @@ pub fn write(fd: fd_t, bytes: []const u8) WriteError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdWritable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForWriting, // can be a race condition. EDESTADDRREQ => unreachable, // `connect` was never called. EDQUOT => return error.DiskQuota, @@ -772,8 +747,8 @@ pub fn write(fd: fd_t, bytes: []const u8) WriteError!usize { /// another write() call to transfer the remaining bytes. The subsequent call will either /// transfer further bytes or may result in an error (e.g., if the disk is now full). /// -/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// For POSIX systems, if `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received.k`. /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are /// used to perform the I/O. `error.WouldBlock` is not possible on Windows. /// @@ -814,12 +789,7 @@ pub fn writev(fd: fd_t, iov: []const iovec_const) WriteError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdWritable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForWriting, // Can be a race condition. EDESTADDRREQ => unreachable, // `connect` was never called. EDQUOT => return error.DiskQuota, @@ -847,8 +817,8 @@ pub const PWriteError = WriteError || error{Unseekable}; /// another write() call to transfer the remaining bytes. The subsequent call will either /// transfer further bytes or may result in an error (e.g., if the disk is now full). /// -/// For POSIX systems, if the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// For POSIX systems, if `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. /// On Windows, if the application has a global event loop enabled, I/O Completion Ports are /// used to perform the I/O. `error.WouldBlock` is not possible on Windows. /// @@ -905,12 +875,7 @@ pub fn pwrite(fd: fd_t, bytes: []const u8, offset: u64) PWriteError!usize { EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdWritable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForWriting, // Can be a race condition. EDESTADDRREQ => unreachable, // `connect` was never called. EDQUOT => return error.DiskQuota, @@ -939,8 +904,8 @@ pub fn pwrite(fd: fd_t, bytes: []const u8, offset: u64) PWriteError!usize { /// another write() call to transfer the remaining bytes. The subsequent call will either /// transfer further bytes or may result in an error (e.g., if the disk is now full). /// -/// If the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in `error.WouldBlock`. +/// If `fd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. /// /// The following systems do not have this syscall, and will return partial writes if more than one /// vector is provided: @@ -993,12 +958,7 @@ pub fn pwritev(fd: fd_t, iov: []const iovec_const, offset: u64) PWriteError!usiz EINTR => continue, EINVAL => unreachable, EFAULT => unreachable, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdWritable(fd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => return error.NotOpenForWriting, // Can be a race condition. EDESTADDRREQ => unreachable, // `connect` was never called. EDQUOT => return error.DiskQuota, @@ -2846,8 +2806,8 @@ pub const AcceptError = error{ } || UnexpectedError; /// Accept a connection on a socket. -/// If the application has a global event loop enabled, EAGAIN is handled -/// via the event loop. Otherwise EAGAIN results in error.WouldBlock. +/// If `sockfd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. pub fn accept( /// This argument is a socket that has been created with `socket`, bound to a local address /// with `bind`, and is listening for connections after a `listen`. @@ -2890,12 +2850,7 @@ pub fn accept( return fd; }, EINTR => continue, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdReadable(sockfd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EBADF => unreachable, // always a race condition ECONNABORTED => return error.ConnectionAborted, EFAULT => unreachable, @@ -3081,6 +3036,8 @@ pub const ConnectError = error{ } || UnexpectedError; /// Initiate a connection on a socket. +/// If `sockfd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN or EINPROGRESS is received. pub fn connect(sockfd: socket_t, sock_addr: *const sockaddr, len: socklen_t) ConnectError!void { if (builtin.os.tag == .windows) { const rc = windows.ws2_32.connect(sockfd, sock_addr, len); @@ -3113,11 +3070,7 @@ pub fn connect(sockfd: socket_t, sock_addr: *const sockaddr, len: socklen_t) Con EADDRINUSE => return error.AddressInUse, EADDRNOTAVAIL => return error.AddressNotAvailable, EAFNOSUPPORT => return error.AddressFamilyNotSupported, - EAGAIN, EINPROGRESS => { - const loop = std.event.Loop.instance orelse return error.WouldBlock; - loop.waitUntilFdWritable(sockfd); - return getsockoptError(sockfd); - }, + EAGAIN, EINPROGRESS => return error.WouldBlock, EALREADY => unreachable, // The socket is nonblocking and a previous connection attempt has not yet been completed. EBADF => unreachable, // sockfd is not a valid open file descriptor. ECONNREFUSED => return error.ConnectionRefused, @@ -4620,14 +4573,8 @@ pub fn sendto( const rc = system.sendto(sockfd, buf.ptr, buf.len, flags, dest_addr, addrlen); switch (errno(rc)) { 0 => return @intCast(usize, rc), - EACCES => return error.AccessDenied, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdWritable(sockfd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, EALREADY => return error.FastOpenAlreadyInProgress, EBADF => unreachable, // always a race condition ECONNRESET => return error.ConnectionResetByPeer, @@ -5106,6 +5053,8 @@ pub const RecvFromError = error{ SystemResources, } || UnexpectedError; +/// If `sockfd` is opened in non blocking mode, the function will +/// return error.WouldBlock when EAGAIN is received. pub fn recvfrom( sockfd: fd_t, buf: []u8, @@ -5123,12 +5072,7 @@ pub fn recvfrom( ENOTCONN => unreachable, ENOTSOCK => unreachable, EINTR => continue, - EAGAIN => if (std.event.Loop.instance) |loop| { - loop.waitUntilFdReadable(sockfd); - continue; - } else { - return error.WouldBlock; - }, + EAGAIN => return error.WouldBlock, ENOMEM => return error.SystemResources, ECONNREFUSED => return error.ConnectionRefused, else => |err| return unexpectedErrno(err), diff --git a/lib/std/os/uefi/tables/system_table.zig b/lib/std/os/uefi/tables/system_table.zig index cbe66fbb6..3f0624d2c 100644 --- a/lib/std/os/uefi/tables/system_table.zig +++ b/lib/std/os/uefi/tables/system_table.zig @@ -35,7 +35,7 @@ pub const SystemTable = extern struct { runtime_services: *RuntimeServices, boot_services: ?*BootServices, number_of_table_entries: usize, - configuration_table: *ConfigurationTable, + configuration_table: [*]ConfigurationTable, pub const signature: u64 = 0x5453595320494249; pub const revision_1_02: u32 = (1 << 16) | 2; diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig index 579215cf1..54d19cb21 100644 --- a/lib/std/os/windows.zig +++ b/lib/std/os/windows.zig @@ -765,6 +765,7 @@ pub const DeleteFileError = error{ Unexpected, NotDir, IsDir, + DirNotEmpty, }; pub const DeleteFileOptions = struct { @@ -819,7 +820,7 @@ pub fn DeleteFile(sub_path_w: []const u16, options: DeleteFileOptions) DeleteFil 0, ); switch (rc) { - .SUCCESS => return CloseHandle(tmp_handle), + .SUCCESS => CloseHandle(tmp_handle), .OBJECT_NAME_INVALID => unreachable, .OBJECT_NAME_NOT_FOUND => return error.FileNotFound, .INVALID_PARAMETER => unreachable, @@ -828,6 +829,21 @@ pub fn DeleteFile(sub_path_w: []const u16, options: DeleteFileOptions) DeleteFil .SHARING_VIOLATION => return error.FileBusy, else => return unexpectedStatus(rc), } + + // If a directory fails to be deleted, CloseHandle will still report success + // Check if the directory still exists and return error.DirNotEmpty if true + if (options.remove_dir) { + var basic_info: FILE_BASIC_INFORMATION = undefined; + switch (ntdll.NtQueryAttributesFile(&attr, &basic_info)) { + .SUCCESS => return error.DirNotEmpty, + .OBJECT_NAME_NOT_FOUND => return, + .OBJECT_PATH_NOT_FOUND => return, + .INVALID_PARAMETER => unreachable, + .ACCESS_DENIED => return error.AccessDenied, + .OBJECT_PATH_SYNTAX_BAD => unreachable, + else => |urc| return unexpectedStatus(urc), + } + } } pub const MoveFileError = error{ FileNotFound, Unexpected }; diff --git a/lib/std/zig/ast.zig b/lib/std/zig/ast.zig index 404e8c413..d8943adde 100644 --- a/lib/std/zig/ast.zig +++ b/lib/std/zig/ast.zig @@ -823,6 +823,15 @@ pub const Node = struct { } } + pub fn findFirstWithId(self: *Node, id: Id) ?*Node { + if (self.id == id) return self; + var child_i: usize = 0; + while (self.iterate(child_i)) |child| : (child_i += 1) { + if (child.findFirstWithId(id)) |result| return result; + } + return null; + } + pub fn dump(self: *Node, indent: usize) void { { var i: usize = 0; diff --git a/lib/std/zig/parser_test.zig b/lib/std/zig/parser_test.zig index 36ceb400d..994ad6d5d 100644 --- a/lib/std/zig/parser_test.zig +++ b/lib/std/zig/parser_test.zig @@ -1301,8 +1301,10 @@ test "zig fmt: array literal with hint" { \\const a = []u8{ \\ 1, 2, \\ 3, 4, - \\ 5, 6, // blah - \\ 7, 8, + \\ 5, + \\ 6, // blah + \\ 7, + \\ 8, \\}; \\const a = []u8{ \\ 1, 2, @@ -1372,7 +1374,7 @@ test "zig fmt: multiline string parameter in fn call with trailing comma" { \\ \\ZIG_C_HEADER_FILES {} \\ \\ZIG_DIA_GUIDS_LIB {} \\ \\ - \\ , + \\ , \\ std.cstr.toSliceConst(c.ZIG_CMAKE_BINARY_DIR), \\ std.cstr.toSliceConst(c.ZIG_CXX_COMPILER), \\ std.cstr.toSliceConst(c.ZIG_DIA_GUIDS_LIB), @@ -3321,6 +3323,326 @@ test "zig fmt: Don't add extra newline after if" { ); } +test "zig fmt: comments in ternary ifs" { + try testCanonical( + \\const x = if (true) { + \\ 1; + \\} else if (false) + \\ // Comment + \\ 0; + \\const y = if (true) + \\ // Comment + \\ 1 + \\else + \\ 0; + \\ + \\pub extern "c" fn printf(format: [*:0]const u8, ...) c_int; + \\ + ); +} + +test "zig fmt: test comments in field access chain" { + try testCanonical( + \\pub const str = struct { + \\ pub const Thing = more.more // + \\ .more() // + \\ .more().more() // + \\ .more() // + \\ // .more() // + \\ .more() // + \\ .more(); + \\ data: Data, + \\}; + \\ + \\pub const str = struct { + \\ pub const Thing = more.more // + \\ .more() // + \\ // .more() // + \\ // .more() // + \\ // .more() // + \\ .more() // + \\ .more(); + \\ data: Data, + \\}; + \\ + \\pub const str = struct { + \\ pub const Thing = more // + \\ .more // + \\ .more() // + \\ .more(); + \\ data: Data, + \\}; + \\ + ); +} + +test "zig fmt: Indent comma correctly after multiline string literals in arg list (trailing comma)" { + try testCanonical( + \\fn foo() void { + \\ z.display_message_dialog( + \\ *const [323:0]u8, + \\ \\Message Text + \\ \\------------ + \\ \\xxxxxxxxxxxx + \\ \\xxxxxxxxxxxx + \\ , + \\ g.GtkMessageType.GTK_MESSAGE_WARNING, + \\ null, + \\ ); + \\ + \\ z.display_message_dialog(*const [323:0]u8, + \\ \\Message Text + \\ \\------------ + \\ \\xxxxxxxxxxxx + \\ \\xxxxxxxxxxxx + \\ , g.GtkMessageType.GTK_MESSAGE_WARNING, null); + \\} + \\ + ); +} + +test "zig fmt: Control flow statement as body of blockless if" { + try testCanonical( + \\pub fn main() void { + \\ const zoom_node = if (focused_node == layout_first) + \\ if (it.next()) { + \\ if (!node.view.pending.float and !node.view.pending.fullscreen) break node; + \\ } else null + \\ else + \\ focused_node; + \\ + \\ const zoom_node = if (focused_node == layout_first) while (it.next()) |node| { + \\ if (!node.view.pending.float and !node.view.pending.fullscreen) break node; + \\ } else null else + \\ focused_node; + \\ + \\ const zoom_node = if (focused_node == layout_first) + \\ if (it.next()) { + \\ if (!node.view.pending.float and !node.view.pending.fullscreen) break node; + \\ } else null; + \\ + \\ const zoom_node = if (focused_node == layout_first) while (it.next()) |node| { + \\ if (!node.view.pending.float and !node.view.pending.fullscreen) break node; + \\ }; + \\ + \\ const zoom_node = if (focused_node == layout_first) for (nodes) |node| { + \\ break node; + \\ }; + \\ + \\ const zoom_node = if (focused_node == layout_first) switch (nodes) { + \\ 0 => 0, + \\ } else + \\ focused_node; + \\} + \\ + ); +} + +test "zig fmt: " { + try testCanonical( + \\pub fn sendViewTags(self: Self) void { + \\ var it = ViewStack(View).iterator(self.output.views.first, std.math.maxInt(u32)); + \\ while (it.next()) |node| + \\ view_tags.append(node.view.current_tags) catch { + \\ c.wl_resource_post_no_memory(self.wl_resource); + \\ log.crit(.river_status, "out of memory", .{}); + \\ return; + \\ }; + \\} + \\ + ); +} + +test "zig fmt: allow trailing line comments to do manual array formatting" { + try testCanonical( + \\fn foo() void { + \\ self.code.appendSliceAssumeCapacity(&[_]u8{ + \\ 0x55, // push rbp + \\ 0x48, 0x89, 0xe5, // mov rbp, rsp + \\ 0x48, 0x81, 0xec, // sub rsp, imm32 (with reloc) + \\ }); + \\ + \\ di_buf.appendAssumeCapacity(&[_]u8{ + \\ 1, DW.TAG_compile_unit, DW.CHILDREN_no, // header + \\ DW.AT_stmt_list, DW_FORM_data4, // form value pairs + \\ DW.AT_low_pc, DW_FORM_addr, + \\ DW.AT_high_pc, DW_FORM_addr, + \\ DW.AT_name, DW_FORM_strp, + \\ DW.AT_comp_dir, DW_FORM_strp, + \\ DW.AT_producer, DW_FORM_strp, + \\ DW.AT_language, DW_FORM_data2, + \\ 0, 0, // sentinel + \\ }); + \\ + \\ self.code.appendSliceAssumeCapacity(&[_]u8{ + \\ 0x55, // push rbp + \\ 0x48, 0x89, 0xe5, // mov rbp, rsp + \\ // How do we handle this? + \\ //0x48, 0x81, 0xec, // sub rsp, imm32 (with reloc) + \\ // Here's a blank line, should that be allowed? + \\ + \\ 0x48, 0x89, 0xe5, + \\ 0x33, 0x45, + \\ // Now the comment breaks a single line -- how do we handle this? + \\ 0x88, + \\ }); + \\} + \\ + ); +} + +test "zig fmt: multiline string literals should play nice with array initializers" { + try testCanonical( + \\fn main() void { + \\ var a = .{.{.{.{.{.{.{.{ + \\ 0, + \\ }}}}}}}}; + \\ myFunc(.{ + \\ "aaaaaaa", "bbbbbb", "ccccc", + \\ "dddd", ("eee"), ("fff"), + \\ ("gggg"), + \\ // Line comment + \\ \\Multiline String Literals can be quite long + \\ , + \\ \\Multiline String Literals can be quite long + \\ \\Multiline String Literals can be quite long + \\ , + \\ \\Multiline String Literals can be quite long + \\ \\Multiline String Literals can be quite long + \\ \\Multiline String Literals can be quite long + \\ \\Multiline String Literals can be quite long + \\ , + \\ ( + \\ \\Multiline String Literals can be quite long + \\ ), + \\ .{ + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ }, + \\ .{( + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ )}, + \\ .{ + \\ "xxxxxxx", "xxx", + \\ ( + \\ \\ xxx + \\ ), + \\ "xxx", "xxx", + \\ }, + \\ .{ "xxxxxxx", "xxx", "xxx", "xxx" }, .{ "xxxxxxx", "xxx", "xxx", "xxx" }, + \\ "aaaaaaa", "bbbbbb", "ccccc", // - + \\ "dddd", ("eee"), ("fff"), + \\ .{ + \\ "xxx", "xxx", + \\ ( + \\ \\ xxx + \\ ), + \\ "xxxxxxxxxxxxxx", "xxx", + \\ }, + \\ .{ + \\ ( + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ ), + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ }, + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ \\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + \\ }); + \\} + \\ + ); +} + +test "zig fmt: use of comments and Multiline string literals may force the parameters over multiple lines" { + try testCanonical( + \\pub fn makeMemUndefined(qzz: []u8) i1 { + \\ cases.add( // fixed bug #2032 + \\ "compile diagnostic string for top level decl type", + \\ \\export fn entry() void { + \\ \\ var foo: u32 = @This(){}; + \\ \\} + \\ , &[_][]const u8{ + \\ "tmp.zig:2:27: error: type 'u32' does not support array initialization", + \\ }); + \\ @compileError( + \\ \\ unknown-length pointers and C pointers cannot be hashed deeply. + \\ \\ Consider providing your own hash function. + \\ \\ unknown-length pointers and C pointers cannot be hashed deeply. + \\ \\ Consider providing your own hash function. + \\ ); + \\ return @intCast(i1, doMemCheckClientRequestExpr(0, // default return + \\ .MakeMemUndefined, @ptrToInt(qzz.ptr), qzz.len, 0, 0, 0)); + \\} + \\ + \\// This looks like garbage don't do this + \\const rparen = tree.prevToken( + \\// the first token for the annotation expressions is the left + \\// parenthesis, hence the need for two prevToken + \\ if (fn_proto.getAlignExpr()) |align_expr| + \\ tree.prevToken(tree.prevToken(align_expr.firstToken())) + \\else if (fn_proto.getSectionExpr()) |section_expr| + \\ tree.prevToken(tree.prevToken(section_expr.firstToken())) + \\else if (fn_proto.getCallconvExpr()) |callconv_expr| + \\ tree.prevToken(tree.prevToken(callconv_expr.firstToken())) + \\else switch (fn_proto.return_type) { + \\ .Explicit => |node| node.firstToken(), + \\ .InferErrorSet => |node| tree.prevToken(node.firstToken()), + \\ .Invalid => unreachable, + \\}); + \\ + ); +} + +test "zig fmt: single argument trailing commas in @builtins()" { + try testCanonical( + \\pub fn foo(qzz: []u8) i1 { + \\ @panic( + \\ foo, + \\ ); + \\ panic( + \\ foo, + \\ ); + \\ @panic( + \\ foo, + \\ bar, + \\ ); + \\} + \\ + ); +} + +test "zig fmt: trailing comma should force multiline 1 column" { + try testTransform( + \\pub const UUID_NULL: uuid_t = [16]u8{0,0,0,0,}; + \\ + , + \\pub const UUID_NULL: uuid_t = [16]u8{ + \\ 0, + \\ 0, + \\ 0, + \\ 0, + \\}; + \\ + ); +} + +test "zig fmt: function params should align nicely" { + try testCanonical( + \\pub fn foo() void { + \\ cases.addRuntimeSafety("slicing operator with sentinel", + \\ \\const std = @import("std"); + \\ ++ check_panic_msg ++ + \\ \\pub fn main() void { + \\ \\ var buf = [4]u8{'a','b','c',0}; + \\ \\ const slice = buf[0..:0]; + \\ \\} + \\ ); + \\} + \\ + ); +} + const std = @import("std"); const mem = std.mem; const warn = std.debug.warn; diff --git a/lib/std/zig/render.zig b/lib/std/zig/render.zig index 237ca07d2..67afbb77d 100644 --- a/lib/std/zig/render.zig +++ b/lib/std/zig/render.zig @@ -522,7 +522,11 @@ fn renderExpression( break :blk if (loc.line == 0) op_space else Space.Newline; }; - try renderToken(tree, ais, infix_op_node.op_token, after_op_space); + { + ais.pushIndent(); + defer ais.popIndent(); + try renderToken(tree, ais, infix_op_node.op_token, after_op_space); + } ais.pushIndentOneShot(); return renderExpression(allocator, ais, tree, infix_op_node.rhs, space); }, @@ -710,141 +714,194 @@ fn renderExpression( .node => |node| tree.nextToken(node.lastToken()), }; - if (exprs.len == 0) { - switch (lhs) { - .dot => |dot| try renderToken(tree, ais, dot, Space.None), - .node => |node| try renderExpression(allocator, ais, tree, node, Space.None), - } - - { - ais.pushIndent(); - defer ais.popIndent(); - try renderToken(tree, ais, lbrace, Space.None); - } - - return renderToken(tree, ais, rtoken, space); - } - if (exprs.len == 1 and tree.token_ids[exprs[0].*.lastToken() + 1] == .RBrace) { - const expr = exprs[0]; - - switch (lhs) { - .dot => |dot| try renderToken(tree, ais, dot, Space.None), - .node => |node| try renderExpression(allocator, ais, tree, node, Space.None), - } - try renderToken(tree, ais, lbrace, Space.None); - try renderExpression(allocator, ais, tree, expr, Space.None); - return renderToken(tree, ais, rtoken, space); - } - switch (lhs) { .dot => |dot| try renderToken(tree, ais, dot, Space.None), .node => |node| try renderExpression(allocator, ais, tree, node, Space.None), } + if (exprs.len == 0) { + try renderToken(tree, ais, lbrace, Space.None); + return renderToken(tree, ais, rtoken, space); + } + + if (exprs.len == 1 and exprs[0].tag != .MultilineStringLiteral and tree.token_ids[exprs[0].*.lastToken() + 1] == .RBrace) { + const expr = exprs[0]; + + try renderToken(tree, ais, lbrace, Space.None); + try renderExpression(allocator, ais, tree, expr, Space.None); + return renderToken(tree, ais, rtoken, space); + } + // scan to find row size - const maybe_row_size: ?usize = blk: { - var count: usize = 1; - for (exprs) |expr, i| { - if (i + 1 < exprs.len) { - const expr_last_token = expr.lastToken() + 1; - const loc = tree.tokenLocation(tree.token_locs[expr_last_token].end, exprs[i + 1].firstToken()); - if (loc.line != 0) break :blk count; - count += 1; - } else { - const expr_last_token = expr.lastToken(); - const loc = tree.tokenLocation(tree.token_locs[expr_last_token].end, rtoken); - if (loc.line == 0) { - // all on one line - const src_has_trailing_comma = trailblk: { - const maybe_comma = tree.prevToken(rtoken); - break :trailblk tree.token_ids[maybe_comma] == .Comma; - }; - if (src_has_trailing_comma) { - break :blk 1; // force row size 1 - } else { - break :blk null; // no newlines - } - } - break :blk count; - } - } - unreachable; - }; - - if (maybe_row_size) |row_size| { - // A place to store the width of each expression and its column's maximum - var widths = try allocator.alloc(usize, exprs.len + row_size); - defer allocator.free(widths); - mem.set(usize, widths, 0); - - var expr_widths = widths[0 .. widths.len - row_size]; - var column_widths = widths[widths.len - row_size ..]; - - // Null ais for counting the printed length of each expression - var counting_stream = std.io.countingOutStream(std.io.null_out_stream); - var auto_indenting_stream = std.io.autoIndentingStream(indent_delta, counting_stream.writer()); - - for (exprs) |expr, i| { - counting_stream.bytes_written = 0; - try renderExpression(allocator, &auto_indenting_stream, tree, expr, Space.None); - const width = @intCast(usize, counting_stream.bytes_written); - const col = i % row_size; - column_widths[col] = std.math.max(column_widths[col], width); - expr_widths[i] = width; - } - + if (rowSize(tree, exprs, rtoken) != null) { { ais.pushIndentNextLine(); defer ais.popIndent(); try renderToken(tree, ais, lbrace, Space.Newline); - var col: usize = 1; - for (exprs) |expr, i| { - if (i + 1 < exprs.len) { - const next_expr = exprs[i + 1]; - try renderExpression(allocator, ais, tree, expr, Space.None); + var expr_index: usize = 0; + while (rowSize(tree, exprs[expr_index..], rtoken)) |row_size| { + const row_exprs = exprs[expr_index..]; + // A place to store the width of each expression and its column's maximum + var widths = try allocator.alloc(usize, row_exprs.len + row_size); + defer allocator.free(widths); + mem.set(usize, widths, 0); - const comma = tree.nextToken(expr.*.lastToken()); + var expr_newlines = try allocator.alloc(bool, row_exprs.len); + defer allocator.free(expr_newlines); + mem.set(bool, expr_newlines, false); - if (col != row_size) { - try renderToken(tree, ais, comma, Space.Space); // , + var expr_widths = widths[0 .. widths.len - row_size]; + var column_widths = widths[widths.len - row_size ..]; - const padding = column_widths[i % row_size] - expr_widths[i]; - try ais.writer().writeByteNTimes(' ', padding); + // Find next row with trailing comment (if any) to end the current section + var section_end = sec_end: { + var this_line_first_expr: usize = 0; + var this_line_size = rowSize(tree, row_exprs, rtoken); + for (row_exprs) |expr, i| { + // Ignore comment on first line of this section + if (i == 0 or tree.tokensOnSameLine(row_exprs[0].firstToken(), expr.lastToken())) continue; + // Track start of line containing comment + if (!tree.tokensOnSameLine(row_exprs[this_line_first_expr].firstToken(), expr.lastToken())) { + this_line_first_expr = i; + this_line_size = rowSize(tree, row_exprs[this_line_first_expr..], rtoken); + } - col += 1; - continue; + const maybe_comma = expr.lastToken() + 1; + const maybe_comment = expr.lastToken() + 2; + if (maybe_comment < tree.token_ids.len) { + if (tree.token_ids[maybe_comma] == .Comma and + tree.token_ids[maybe_comment] == .LineComment and + tree.tokensOnSameLine(expr.lastToken(), maybe_comment)) + { + var comment_token_loc = tree.token_locs[maybe_comment]; + const comment_is_empty = mem.trimRight(u8, tree.tokenSliceLoc(comment_token_loc), " ").len == 2; + if (!comment_is_empty) { + // Found row ending in comment + break :sec_end i - this_line_size.? + 1; + } + } + } } - col = 1; + break :sec_end row_exprs.len; + }; + expr_index += section_end; - if (tree.token_ids[tree.nextToken(comma)] != .MultilineStringLiteralLine) { - try renderToken(tree, ais, comma, Space.Newline); // , + const section_exprs = row_exprs[0..section_end]; + + // Null stream for counting the printed length of each expression + var line_find_stream = std.io.findByteOutStream('\n', std.io.null_out_stream); + var counting_stream = std.io.countingOutStream(line_find_stream.writer()); + var auto_indenting_stream = std.io.autoIndentingStream(indent_delta, counting_stream.writer()); + + // Calculate size of columns in current section + var column_counter: usize = 0; + var single_line = true; + for (section_exprs) |expr, i| { + if (i + 1 < section_exprs.len) { + counting_stream.bytes_written = 0; + line_find_stream.byte_found = false; + try renderExpression(allocator, &auto_indenting_stream, tree, expr, Space.None); + const width = @intCast(usize, counting_stream.bytes_written); + expr_widths[i] = width; + expr_newlines[i] = line_find_stream.byte_found; + + if (!line_find_stream.byte_found) { + const column = column_counter % row_size; + column_widths[column] = std.math.max(column_widths[column], width); + + const expr_last_token = expr.*.lastToken() + 1; + const next_expr = section_exprs[i + 1]; + const loc = tree.tokenLocation(tree.token_locs[expr_last_token].start, next_expr.*.firstToken()); + if (loc.line == 0) { + column_counter += 1; + } else { + single_line = false; + column_counter = 0; + } + } else { + single_line = false; + column_counter = 0; + } } else { - try renderToken(tree, ais, comma, Space.None); // , - } + counting_stream.bytes_written = 0; + try renderExpression(allocator, &auto_indenting_stream, tree, expr, Space.None); + const width = @intCast(usize, counting_stream.bytes_written); + expr_widths[i] = width; + expr_newlines[i] = line_find_stream.byte_found; - try renderExtraNewline(tree, ais, next_expr); - } else { - try renderExpression(allocator, ais, tree, expr, Space.Comma); // , + if (!line_find_stream.byte_found) { + const column = column_counter % row_size; + column_widths[column] = std.math.max(column_widths[column], width); + } + break; + } + } + + // Render exprs in current section + column_counter = 0; + var last_col_index: usize = row_size - 1; + for (section_exprs) |expr, i| { + if (i + 1 < section_exprs.len) { + const next_expr = section_exprs[i + 1]; + try renderExpression(allocator, ais, tree, expr, Space.None); + + const comma = tree.nextToken(expr.*.lastToken()); + + if (column_counter != last_col_index) { + if (!expr_newlines[i] and !expr_newlines[i + 1]) { + // Neither the current or next expression is multiline + try renderToken(tree, ais, comma, Space.Space); // , + assert(column_widths[column_counter % row_size] >= expr_widths[i]); + const padding = column_widths[column_counter % row_size] - expr_widths[i]; + try ais.writer().writeByteNTimes(' ', padding); + + column_counter += 1; + continue; + } + } + if (single_line and row_size != 1) { + try renderToken(tree, ais, comma, Space.Space); // , + continue; + } + + column_counter = 0; + try renderToken(tree, ais, comma, Space.Newline); // , + try renderExtraNewline(tree, ais, next_expr); + } else { + const maybe_comma = tree.nextToken(expr.*.lastToken()); + if (tree.token_ids[maybe_comma] == .Comma) { + try renderExpression(allocator, ais, tree, expr, Space.None); // , + try renderToken(tree, ais, maybe_comma, Space.Newline); // , + } else { + try renderExpression(allocator, ais, tree, expr, Space.Comma); // , + } + } + } + + if (expr_index == exprs.len) { + break; } - } - } - return renderToken(tree, ais, rtoken, space); - } else { - try renderToken(tree, ais, lbrace, Space.Space); - for (exprs) |expr, i| { - if (i + 1 < exprs.len) { - const next_expr = exprs[i + 1]; - try renderExpression(allocator, ais, tree, expr, Space.None); - const comma = tree.nextToken(expr.*.lastToken()); - try renderToken(tree, ais, comma, Space.Space); // , - } else { - try renderExpression(allocator, ais, tree, expr, Space.Space); } } return renderToken(tree, ais, rtoken, space); } + + // Single line + try renderToken(tree, ais, lbrace, Space.Space); + for (exprs) |expr, i| { + if (i + 1 < exprs.len) { + const next_expr = exprs[i + 1]; + try renderExpression(allocator, ais, tree, expr, Space.None); + const comma = tree.nextToken(expr.*.lastToken()); + try renderToken(tree, ais, comma, Space.Space); // , + } else { + try renderExpression(allocator, ais, tree, expr, Space.Space); + } + } + + return renderToken(tree, ais, rtoken, space); }, .StructInitializer, .StructInitializerDot => { @@ -1004,21 +1061,29 @@ fn renderExpression( }; if (src_has_trailing_comma) { - try renderToken(tree, ais, lparen, Space.Newline); - - const params = call.params(); - for (params) |param_node, i| { + { ais.pushIndent(); defer ais.popIndent(); - if (i + 1 < params.len) { - const next_node = params[i + 1]; - try renderExpression(allocator, ais, tree, param_node, Space.None); - const comma = tree.nextToken(param_node.lastToken()); - try renderToken(tree, ais, comma, Space.Newline); // , - try renderExtraNewline(tree, ais, next_node); - } else { - try renderExpression(allocator, ais, tree, param_node, Space.Comma); + try renderToken(tree, ais, lparen, Space.Newline); // ( + const params = call.params(); + for (params) |param_node, i| { + if (i + 1 < params.len) { + const next_node = params[i + 1]; + try renderExpression(allocator, ais, tree, param_node, Space.None); + + // Unindent the comma for multiline string literals + const maybe_multiline_string = param_node.firstToken(); + const is_multiline_string = tree.token_ids[maybe_multiline_string] == .MultilineStringLiteralLine; + if (is_multiline_string) ais.popIndent(); + defer if (is_multiline_string) ais.pushIndent(); + + const comma = tree.nextToken(param_node.lastToken()); + try renderToken(tree, ais, comma, Space.Newline); // , + try renderExtraNewline(tree, ais, next_node); + } else { + try renderExpression(allocator, ais, tree, param_node, Space.Comma); + } } } return renderToken(tree, ais, call.rtoken, space); @@ -1028,17 +1093,20 @@ fn renderExpression( const params = call.params(); for (params) |param_node, i| { - if (param_node.*.tag == .MultilineStringLiteral) ais.pushIndentOneShot(); + const maybe_comment = param_node.firstToken() - 1; + const maybe_multiline_string = param_node.firstToken(); + if (tree.token_ids[maybe_multiline_string] == .MultilineStringLiteralLine or tree.token_ids[maybe_comment] == .LineComment) { + ais.pushIndentOneShot(); + } try renderExpression(allocator, ais, tree, param_node, Space.None); if (i + 1 < params.len) { - const next_param = params[i + 1]; const comma = tree.nextToken(param_node.lastToken()); try renderToken(tree, ais, comma, Space.Space); } } - return renderToken(tree, ais, call.rtoken, space); + return renderToken(tree, ais, call.rtoken, space); // ) }, .ArrayAccess => { @@ -1429,7 +1497,7 @@ fn renderExpression( try renderToken(tree, ais, builtin_call.builtin_token, Space.None); // @name const src_params_trailing_comma = blk: { - if (builtin_call.params_len < 2) break :blk false; + if (builtin_call.params_len == 0) break :blk false; const last_node = builtin_call.params()[builtin_call.params_len - 1]; const maybe_comma = tree.nextToken(last_node.lastToken()); break :blk tree.token_ids[maybe_comma] == .Comma; @@ -1443,6 +1511,10 @@ fn renderExpression( // render all on one line, no trailing comma const params = builtin_call.params(); for (params) |param_node, i| { + const maybe_comment = param_node.firstToken() - 1; + if (param_node.*.tag == .MultilineStringLiteral or tree.token_ids[maybe_comment] == .LineComment) { + ais.pushIndentOneShot(); + } try renderExpression(allocator, ais, tree, param_node, Space.None); if (i + 1 < params.len) { @@ -1494,19 +1566,20 @@ fn renderExpression( assert(tree.token_ids[lparen] == .LParen); const rparen = tree.prevToken( - // the first token for the annotation expressions is the left - // parenthesis, hence the need for two prevToken - if (fn_proto.getAlignExpr()) |align_expr| - tree.prevToken(tree.prevToken(align_expr.firstToken())) - else if (fn_proto.getSectionExpr()) |section_expr| - tree.prevToken(tree.prevToken(section_expr.firstToken())) - else if (fn_proto.getCallconvExpr()) |callconv_expr| - tree.prevToken(tree.prevToken(callconv_expr.firstToken())) - else switch (fn_proto.return_type) { - .Explicit => |node| node.firstToken(), - .InferErrorSet => |node| tree.prevToken(node.firstToken()), - .Invalid => unreachable, - }); + // the first token for the annotation expressions is the left + // parenthesis, hence the need for two prevToken + if (fn_proto.getAlignExpr()) |align_expr| + tree.prevToken(tree.prevToken(align_expr.firstToken())) + else if (fn_proto.getSectionExpr()) |section_expr| + tree.prevToken(tree.prevToken(section_expr.firstToken())) + else if (fn_proto.getCallconvExpr()) |callconv_expr| + tree.prevToken(tree.prevToken(callconv_expr.firstToken())) + else switch (fn_proto.return_type) { + .Explicit => |node| node.firstToken(), + .InferErrorSet => |node| tree.prevToken(node.firstToken()), + .Invalid => unreachable, + }, + ); assert(tree.token_ids[rparen] == .RParen); const src_params_trailing_comma = blk: { @@ -1758,7 +1831,7 @@ fn renderExpression( } if (while_node.payload) |payload| { - const payload_space = Space.Space; //if (while_node.continue_expr != null) Space.Space else block_start_space; + const payload_space = if (while_node.continue_expr != null) Space.Space else block_start_space; try renderExpression(allocator, ais, tree, payload, payload_space); } @@ -1873,7 +1946,12 @@ fn renderExpression( if (src_has_newline) { const after_rparen_space = if (if_node.payload == null) Space.Newline else Space.Space; - try renderToken(tree, ais, rparen, after_rparen_space); // ) + + { + ais.pushIndent(); + defer ais.popIndent(); + try renderToken(tree, ais, rparen, after_rparen_space); // ) + } if (if_node.payload) |payload| { try renderExpression(allocator, ais, tree, payload, Space.Newline); @@ -2558,3 +2636,27 @@ fn copyFixingWhitespace(ais: anytype, slice: []const u8) @TypeOf(ais.*).Error!vo else => try ais.writer().writeByte(byte), }; } + +fn rowSize(tree: *ast.Tree, exprs: []*ast.Node, rtoken: ast.TokenIndex) ?usize { + const first_token = exprs[0].firstToken(); + const first_loc = tree.tokenLocation(tree.token_locs[first_token].start, rtoken); + if (first_loc.line == 0) { + const maybe_comma = tree.prevToken(rtoken); + if (tree.token_ids[maybe_comma] == .Comma) + return 1; + return null; // no newlines + } + + var count: usize = 1; + for (exprs) |expr, i| { + if (i + 1 < exprs.len) { + const expr_last_token = expr.lastToken() + 1; + const loc = tree.tokenLocation(tree.token_locs[expr_last_token].start, exprs[i + 1].firstToken()); + if (loc.line != 0) return count; + count += 1; + } else { + return count; + } + } + unreachable; +} diff --git a/lib/std/zig/tokenizer.zig b/lib/std/zig/tokenizer.zig index 86968c73b..e40483c02 100644 --- a/lib/std/zig/tokenizer.zig +++ b/lib/std/zig/tokenizer.zig @@ -1195,6 +1195,7 @@ pub const Tokenizer = struct { }, .num_dot_hex => switch (c) { '.' => { + result.id = .IntegerLiteral; self.index -= 1; state = .start; break; @@ -1758,6 +1759,14 @@ test "correctly parse pointer assignment" { }); } +test "tokenizer - range literals" { + testTokenize("0...9", &[_]Token.Id{ .IntegerLiteral, .Ellipsis3, .IntegerLiteral }); + testTokenize("'0'...'9'", &[_]Token.Id{ .CharLiteral, .Ellipsis3, .CharLiteral }); + testTokenize("0x00...0x09", &[_]Token.Id{ .IntegerLiteral, .Ellipsis3, .IntegerLiteral }); + testTokenize("0b00...0b11", &[_]Token.Id{ .IntegerLiteral, .Ellipsis3, .IntegerLiteral }); + testTokenize("0o00...0o11", &[_]Token.Id{ .IntegerLiteral, .Ellipsis3, .IntegerLiteral }); +} + test "tokenizer - number literals decimal" { testTokenize("0", &[_]Token.Id{.IntegerLiteral}); testTokenize("1", &[_]Token.Id{.IntegerLiteral}); diff --git a/src/stage1/tokenizer.cpp b/src/stage1/tokenizer.cpp index 4415bdf43..fa14dd40f 100644 --- a/src/stage1/tokenizer.cpp +++ b/src/stage1/tokenizer.cpp @@ -1225,9 +1225,6 @@ void tokenize(Buf *buf, Tokenization *out) { invalid_char_error(&t, c); break; } - if (t.radix != 16 && t.radix != 10) { - invalid_char_error(&t, c); - } t.state = TokenizeStateNumberDot; break; } @@ -1281,6 +1278,9 @@ void tokenize(Buf *buf, Tokenization *out) { t.state = TokenizeStateStart; continue; } + if (t.radix != 16 && t.radix != 10) { + invalid_char_error(&t, c); + } t.pos -= 1; t.state = TokenizeStateFloatFractionNoUnderscore; assert(t.cur_tok->id == TokenIdIntLiteral);