Add common hash/checksum functions

- SipHash64, SipHash128
 - Crc32 (fast + small variants)
 - Adler32
 - Fnv1a (32, 64 and 128 bit variants)
master
Marc Tiehuis 2018-04-06 23:10:54 +12:00
parent 873641c123
commit c34ce2cbc6
7 changed files with 701 additions and 0 deletions

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@ -438,6 +438,11 @@ set(ZIG_STD_FILES
"fmt/errol/lookup.zig"
"fmt/index.zig"
"hash_map.zig"
"hash/index.zig"
"hash/adler.zig"
"hash/crc.zig"
"hash/fnv.zig"
"hash/siphash.zig"
"heap.zig"
"index.zig"
"io.zig"

112
std/hash/adler.zig Normal file
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@ -0,0 +1,112 @@
// Adler32 checksum.
//
// https://tools.ietf.org/html/rfc1950#section-9
// https://github.com/madler/zlib/blob/master/adler32.c
const std = @import("../index.zig");
const debug = std.debug;
pub const Adler32 = struct {
const base = 65521;
const nmax = 5552;
adler: u32,
pub fn init() Adler32 {
return Adler32 {
.adler = 1,
};
}
// This fast variant is taken from zlib. It reduces the required modulos and unrolls longer
// buffer inputs and should be much quicker.
pub fn update(self: &Adler32, input: []const u8) void {
var s1 = self.adler & 0xffff;
var s2 = (self.adler >> 16) & 0xffff;
if (input.len == 1) {
s1 +%= input[0];
if (s1 >= base) {
s1 -= base;
}
s2 +%= s1;
if (s2 >= base) {
s2 -= base;
}
}
else if (input.len < 16) {
for (input) |b| {
s1 +%= b;
s2 +%= s1;
}
if (s1 >= base) {
s1 -= base;
}
s2 %= base;
}
else {
var i: usize = 0;
while (i + nmax <= input.len) : (i += nmax) {
const n = nmax / 16; // note: 16 | nmax
var rounds: usize = 0;
while (rounds < n) : (rounds += 1) {
comptime var j: usize = 0;
inline while (j < 16) : (j += 1) {
s1 +%= input[i + n * j];
s2 +%= s1;
}
}
}
if (i < input.len) {
while (i + 16 <= input.len) : (i += 16) {
comptime var j: usize = 0;
inline while (j < 16) : (j += 1) {
s1 +%= input[i + j];
s2 +%= s1;
}
}
while (i < input.len) : (i += 1) {
s1 +%= input[i];
s2 +%= s1;
}
s1 %= base;
s2 %= base;
}
}
self.adler = s1 | (s2 << 16);
}
pub fn final(self: &Adler32) u32 {
return self.adler;
}
pub fn hash(input: []const u8) u32 {
var c = Adler32.init();
c.update(input);
return c.final();
}
};
test "adler32 sanity" {
debug.assert(Adler32.hash("a") == 0x620062);
debug.assert(Adler32.hash("example") == 0xbc002ed);
}
test "adler32 long" {
const long1 = []u8 {1} ** 1024;
debug.assert(Adler32.hash(long1[0..]) == 0x06780401);
const long2 = []u8 {1} ** 1025;
debug.assert(Adler32.hash(long2[0..]) == 0x0a7a0402);
}
test "adler32 very long" {
const long = []u8 {1} ** 5553;
debug.assert(Adler32.hash(long[0..]) == 0x707f15b2);
}

180
std/hash/crc.zig Normal file
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@ -0,0 +1,180 @@
// There are two implementations of CRC32 implemented with the following key characteristics:
//
// - Crc32WithPoly uses 8Kb of tables but is ~10x faster than the small method.
//
// - Crc32SmallWithPoly uses only 64 bytes of memory but is slower. Be aware that this is
// still moderately fast just slow relative to the slicing approach.
const std = @import("../index.zig");
const debug = std.debug;
pub const Polynomial = struct {
const IEEE = 0xedb88320;
const Castagnoli = 0x82f63b78;
const Koopman = 0xeb31d82e;
};
// IEEE is by far the most common CRC and so is aliased by default.
pub const Crc32 = Crc32WithPoly(Polynomial.IEEE);
// slicing-by-8 crc32 implementation.
pub fn Crc32WithPoly(comptime poly: u32) type {
return struct {
const Self = this;
const lookup_tables = comptime block: {
@setEvalBranchQuota(20000);
var tables: [8][256]u32 = undefined;
for (tables[0]) |*e, i| {
var crc = u32(i);
var j: usize = 0; while (j < 8) : (j += 1) {
if (crc & 1 == 1) {
crc = (crc >> 1) ^ poly;
} else {
crc = (crc >> 1);
}
}
*e = crc;
}
var i: usize = 0;
while (i < 256) : (i += 1) {
var crc = tables[0][i];
var j: usize = 1; while (j < 8) : (j += 1) {
const index = @truncate(u8, crc);
crc = tables[0][index] ^ (crc >> 8);
tables[j][i] = crc;
}
}
break :block tables;
};
crc: u32,
pub fn init() Self {
return Self {
.crc = 0xffffffff,
};
}
pub fn update(self: &Self, input: []const u8) void {
var i: usize = 0;
while (i + 8 <= input.len) : (i += 8) {
const p = input[i..i+8];
// Unrolling this way gives ~50Mb/s increase
self.crc ^= (u32(p[0]) << 0);
self.crc ^= (u32(p[1]) << 8);
self.crc ^= (u32(p[2]) << 16);
self.crc ^= (u32(p[3]) << 24);
self.crc =
lookup_tables[0][p[7]] ^
lookup_tables[1][p[6]] ^
lookup_tables[2][p[5]] ^
lookup_tables[3][p[4]] ^
lookup_tables[4][@truncate(u8, self.crc >> 24)] ^
lookup_tables[5][@truncate(u8, self.crc >> 16)] ^
lookup_tables[6][@truncate(u8, self.crc >> 8)] ^
lookup_tables[7][@truncate(u8, self.crc >> 0)];
}
while (i < input.len) : (i += 1) {
const index = @truncate(u8, self.crc) ^ input[i];
self.crc = (self.crc >> 8) ^ lookup_tables[0][index];
}
}
pub fn final(self: &Self) u32 {
return ~self.crc;
}
pub fn hash(input: []const u8) u32 {
var c = Self.init();
c.update(input);
return c.final();
}
};
}
test "crc32 ieee" {
const Crc32Ieee = Crc32WithPoly(Polynomial.IEEE);
debug.assert(Crc32Ieee.hash("") == 0x00000000);
debug.assert(Crc32Ieee.hash("a") == 0xe8b7be43);
debug.assert(Crc32Ieee.hash("abc") == 0x352441c2);
}
test "crc32 castagnoli" {
const Crc32Castagnoli = Crc32WithPoly(Polynomial.Castagnoli);
debug.assert(Crc32Castagnoli.hash("") == 0x00000000);
debug.assert(Crc32Castagnoli.hash("a") == 0xc1d04330);
debug.assert(Crc32Castagnoli.hash("abc") == 0x364b3fb7);
}
// half-byte lookup table implementation.
pub fn Crc32SmallWithPoly(comptime poly: u32) type {
return struct {
const Self = this;
const lookup_table = comptime block: {
var table: [16]u32 = undefined;
for (table) |*e, i| {
var crc = u32(i * 16);
var j: usize = 0; while (j < 8) : (j += 1) {
if (crc & 1 == 1) {
crc = (crc >> 1) ^ poly;
} else {
crc = (crc >> 1);
}
}
*e = crc;
}
break :block table;
};
crc: u32,
pub fn init() Self {
return Self {
.crc = 0xffffffff,
};
}
pub fn update(self: &Self, input: []const u8) void {
for (input) |b| {
self.crc = lookup_table[@truncate(u4, self.crc ^ (b >> 0))] ^ (self.crc >> 4);
self.crc = lookup_table[@truncate(u4, self.crc ^ (b >> 4))] ^ (self.crc >> 4);
}
}
pub fn final(self: &Self) u32 {
return ~self.crc;
}
pub fn hash(input: []const u8) u32 {
var c = Self.init();
c.update(input);
return c.final();
}
};
}
test "small crc32 ieee" {
const Crc32Ieee = Crc32SmallWithPoly(Polynomial.IEEE);
debug.assert(Crc32Ieee.hash("") == 0x00000000);
debug.assert(Crc32Ieee.hash("a") == 0xe8b7be43);
debug.assert(Crc32Ieee.hash("abc") == 0x352441c2);
}
test "small crc32 castagnoli" {
const Crc32Castagnoli = Crc32SmallWithPoly(Polynomial.Castagnoli);
debug.assert(Crc32Castagnoli.hash("") == 0x00000000);
debug.assert(Crc32Castagnoli.hash("a") == 0xc1d04330);
debug.assert(Crc32Castagnoli.hash("abc") == 0x364b3fb7);
}

60
std/hash/fnv.zig Normal file
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@ -0,0 +1,60 @@
// FNV1a - Fowler-Noll-Vo hash function
//
// FNV1a is a fast, non-cryptographic hash function with fairly good distribution properties.
//
// https://tools.ietf.org/html/draft-eastlake-fnv-14
const std = @import("../index.zig");
const debug = std.debug;
pub const Fnv1a_32 = Fnv1a(u32, 0x01000193 , 0x811c9dc5);
pub const Fnv1a_64 = Fnv1a(u64, 0x100000001b3, 0xcbf29ce484222325);
pub const Fnv1a_128 = Fnv1a(u128, 0x1000000000000000000013b, 0x6c62272e07bb014262b821756295c58d);
fn Fnv1a(comptime T: type, comptime prime: T, comptime offset: T) type {
return struct {
const Self = this;
value: T,
pub fn init() Self {
return Self {
.value = offset,
};
}
pub fn update(self: &Self, input: []const u8) void {
for (input) |b| {
self.value ^= b;
self.value *%= prime;
}
}
pub fn final(self: &Self) T {
return self.value;
}
pub fn hash(input: []const u8) T {
var c = Self.init();
c.update(input);
return c.final();
}
};
}
test "fnv1a-32" {
debug.assert(Fnv1a_32.hash("") == 0x811c9dc5);
debug.assert(Fnv1a_32.hash("a") == 0xe40c292c);
debug.assert(Fnv1a_32.hash("foobar") == 0xbf9cf968);
}
test "fnv1a-64" {
debug.assert(Fnv1a_64.hash("") == 0xcbf29ce484222325);
debug.assert(Fnv1a_64.hash("a") == 0xaf63dc4c8601ec8c);
debug.assert(Fnv1a_64.hash("foobar") == 0x85944171f73967e8);
}
test "fnv1a-128" {
debug.assert(Fnv1a_128.hash("") == 0x6c62272e07bb014262b821756295c58d);
debug.assert(Fnv1a_128.hash("a") == 0xd228cb696f1a8caf78912b704e4a8964);
}

22
std/hash/index.zig Normal file
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@ -0,0 +1,22 @@
const adler = @import("adler.zig");
pub const Adler32 = adler.Adler32;
// pub for polynomials + generic crc32 construction
pub const crc = @import("crc.zig");
pub const Crc32 = crc.Crc32;
const fnv = @import("fnv.zig");
pub const Fnv1a_32 = fnv.Fnv1a_32;
pub const Fnv1a_64 = fnv.Fnv1a_64;
pub const Fnv1a_128 = fnv.Fnv1a_128;
const siphash = @import("siphash.zig");
pub const SipHash64 = siphash.SipHash64;
pub const SipHash128 = siphash.SipHash128;
test "hash" {
_ = @import("adler.zig");
_ = @import("crc.zig");
_ = @import("fnv.zig");
_ = @import("siphash.zig");
}

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std/hash/siphash.zig Normal file
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@ -0,0 +1,320 @@
// Siphash
//
// SipHash is a moderately fast, non-cryptographic keyed hash function designed for resistance
// against hash flooding DoS attacks.
//
// https://131002.net/siphash/
const std = @import("../index.zig");
const debug = std.debug;
const math = std.math;
const mem = std.mem;
const Endian = @import("builtin").Endian;
pub fn SipHash64(comptime c_rounds: usize, comptime d_rounds: usize) type {
return SipHash(u64, c_rounds, d_rounds);
}
pub fn SipHash128(comptime c_rounds: usize, comptime d_rounds: usize) type {
return SipHash(u128, c_rounds, d_rounds);
}
fn SipHash(comptime T: type, comptime c_rounds: usize, comptime d_rounds: usize) type {
debug.assert(T == u64 or T == u128);
debug.assert(c_rounds > 0 and d_rounds > 0);
return struct {
const Self = this;
const digest_size = 64;
const block_size = 64;
v0: u64,
v1: u64,
v2: u64,
v3: u64,
// streaming cache
buf: [8]u8,
buf_len: usize,
msg_len: u8,
pub fn init(key: []const u8) Self {
debug.assert(key.len >= 16);
const k0 = mem.readInt(key[0..8], u64, Endian.Little);
const k1 = mem.readInt(key[8..16], u64, Endian.Little);
var d = Self {
.v0 = k0 ^ 0x736f6d6570736575,
.v1 = k1 ^ 0x646f72616e646f6d,
.v2 = k0 ^ 0x6c7967656e657261,
.v3 = k1 ^ 0x7465646279746573,
.buf = undefined,
.buf_len = 0,
.msg_len = 0,
};
if (T == u128) {
d.v1 ^= 0xee;
}
return d;
}
pub fn update(d: &Self, b: []const u8) void {
var off: usize = 0;
// Partial from previous.
if (d.buf_len != 0 and d.buf_len + b.len > 8) {
off += 8 - d.buf_len;
mem.copy(u8, d.buf[d.buf_len..], b[0..off]);
d.round(d.buf[0..]);
d.buf_len = 0;
}
// Full middle blocks.
while (off + 8 <= b.len) : (off += 8) {
d.round(b[off..off + 8]);
}
// Remainder for next pass.
mem.copy(u8, d.buf[d.buf_len..], b[off..]);
d.buf_len += u8(b[off..].len);
d.msg_len +%= @truncate(u8, b.len);
}
pub fn final(d: &Self) T {
// Padding
mem.set(u8, d.buf[d.buf_len..], 0);
d.buf[7] = d.msg_len;
d.round(d.buf[0..]);
if (T == u128) {
d.v2 ^= 0xee;
} else {
d.v2 ^= 0xff;
}
comptime var i: usize = 0;
inline while (i < d_rounds) : (i += 1) {
@inlineCall(sipRound, d);
}
const b1 = d.v0 ^ d.v1 ^ d.v2 ^ d.v3;
if (T == u64) {
return b1;
}
d.v1 ^= 0xdd;
comptime var j: usize = 0;
inline while (j < d_rounds) : (j += 1) {
@inlineCall(sipRound, d);
}
const b2 = d.v0 ^ d.v1 ^ d.v2 ^ d.v3;
return (u128(b2) << 64) | b1;
}
fn round(d: &Self, b: []const u8) void {
debug.assert(b.len == 8);
const m = mem.readInt(b[0..], u64, Endian.Little);
d.v3 ^= m;
comptime var i: usize = 0;
inline while (i < c_rounds) : (i += 1) {
@inlineCall(sipRound, d);
}
d.v0 ^= m;
}
fn sipRound(d: &Self) void {
d.v0 +%= d.v1;
d.v1 = math.rotl(u64, d.v1, u64(13));
d.v1 ^= d.v0;
d.v0 = math.rotl(u64, d.v0, u64(32));
d.v2 +%= d.v3;
d.v3 = math.rotl(u64, d.v3, u64(16));
d.v3 ^= d.v2;
d.v0 +%= d.v3;
d.v3 = math.rotl(u64, d.v3, u64(21));
d.v3 ^= d.v0;
d.v2 +%= d.v1;
d.v1 = math.rotl(u64, d.v1, u64(17));
d.v1 ^= d.v2;
d.v2 = math.rotl(u64, d.v2, u64(32));
}
pub fn hash(key: []const u8, input: []const u8) T {
var c = Self.init(key);
c.update(input);
return c.final();
}
};
}
// Test vectors from reference implementation.
// https://github.com/veorq/SipHash/blob/master/vectors.h
const test_key = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f";
test "siphash64-2-4 sanity" {
const vectors = [][]const u8 {
"\x31\x0e\x0e\xdd\x47\xdb\x6f\x72", // ""
"\xfd\x67\xdc\x93\xc5\x39\xf8\x74", // "\x00"
"\x5a\x4f\xa9\xd9\x09\x80\x6c\x0d", // "\x00\x01" ... etc
"\x2d\x7e\xfb\xd7\x96\x66\x67\x85",
"\xb7\x87\x71\x27\xe0\x94\x27\xcf",
"\x8d\xa6\x99\xcd\x64\x55\x76\x18",
"\xce\xe3\xfe\x58\x6e\x46\xc9\xcb",
"\x37\xd1\x01\x8b\xf5\x00\x02\xab",
"\x62\x24\x93\x9a\x79\xf5\xf5\x93",
"\xb0\xe4\xa9\x0b\xdf\x82\x00\x9e",
"\xf3\xb9\xdd\x94\xc5\xbb\x5d\x7a",
"\xa7\xad\x6b\x22\x46\x2f\xb3\xf4",
"\xfb\xe5\x0e\x86\xbc\x8f\x1e\x75",
"\x90\x3d\x84\xc0\x27\x56\xea\x14",
"\xee\xf2\x7a\x8e\x90\xca\x23\xf7",
"\xe5\x45\xbe\x49\x61\xca\x29\xa1",
"\xdb\x9b\xc2\x57\x7f\xcc\x2a\x3f",
"\x94\x47\xbe\x2c\xf5\xe9\x9a\x69",
"\x9c\xd3\x8d\x96\xf0\xb3\xc1\x4b",
"\xbd\x61\x79\xa7\x1d\xc9\x6d\xbb",
"\x98\xee\xa2\x1a\xf2\x5c\xd6\xbe",
"\xc7\x67\x3b\x2e\xb0\xcb\xf2\xd0",
"\x88\x3e\xa3\xe3\x95\x67\x53\x93",
"\xc8\xce\x5c\xcd\x8c\x03\x0c\xa8",
"\x94\xaf\x49\xf6\xc6\x50\xad\xb8",
"\xea\xb8\x85\x8a\xde\x92\xe1\xbc",
"\xf3\x15\xbb\x5b\xb8\x35\xd8\x17",
"\xad\xcf\x6b\x07\x63\x61\x2e\x2f",
"\xa5\xc9\x1d\xa7\xac\xaa\x4d\xde",
"\x71\x65\x95\x87\x66\x50\xa2\xa6",
"\x28\xef\x49\x5c\x53\xa3\x87\xad",
"\x42\xc3\x41\xd8\xfa\x92\xd8\x32",
"\xce\x7c\xf2\x72\x2f\x51\x27\x71",
"\xe3\x78\x59\xf9\x46\x23\xf3\xa7",
"\x38\x12\x05\xbb\x1a\xb0\xe0\x12",
"\xae\x97\xa1\x0f\xd4\x34\xe0\x15",
"\xb4\xa3\x15\x08\xbe\xff\x4d\x31",
"\x81\x39\x62\x29\xf0\x90\x79\x02",
"\x4d\x0c\xf4\x9e\xe5\xd4\xdc\xca",
"\x5c\x73\x33\x6a\x76\xd8\xbf\x9a",
"\xd0\xa7\x04\x53\x6b\xa9\x3e\x0e",
"\x92\x59\x58\xfc\xd6\x42\x0c\xad",
"\xa9\x15\xc2\x9b\xc8\x06\x73\x18",
"\x95\x2b\x79\xf3\xbc\x0a\xa6\xd4",
"\xf2\x1d\xf2\xe4\x1d\x45\x35\xf9",
"\x87\x57\x75\x19\x04\x8f\x53\xa9",
"\x10\xa5\x6c\xf5\xdf\xcd\x9a\xdb",
"\xeb\x75\x09\x5c\xcd\x98\x6c\xd0",
"\x51\xa9\xcb\x9e\xcb\xa3\x12\xe6",
"\x96\xaf\xad\xfc\x2c\xe6\x66\xc7",
"\x72\xfe\x52\x97\x5a\x43\x64\xee",
"\x5a\x16\x45\xb2\x76\xd5\x92\xa1",
"\xb2\x74\xcb\x8e\xbf\x87\x87\x0a",
"\x6f\x9b\xb4\x20\x3d\xe7\xb3\x81",
"\xea\xec\xb2\xa3\x0b\x22\xa8\x7f",
"\x99\x24\xa4\x3c\xc1\x31\x57\x24",
"\xbd\x83\x8d\x3a\xaf\xbf\x8d\xb7",
"\x0b\x1a\x2a\x32\x65\xd5\x1a\xea",
"\x13\x50\x79\xa3\x23\x1c\xe6\x60",
"\x93\x2b\x28\x46\xe4\xd7\x06\x66",
"\xe1\x91\x5f\x5c\xb1\xec\xa4\x6c",
"\xf3\x25\x96\x5c\xa1\x6d\x62\x9f",
"\x57\x5f\xf2\x8e\x60\x38\x1b\xe5",
"\x72\x45\x06\xeb\x4c\x32\x8a\x95",
};
const siphash = SipHash64(2, 4);
var buffer: [64]u8 = undefined;
for (vectors) |vector, i| {
buffer[i] = u8(i);
const expected = mem.readInt(vector, u64, Endian.Little);
debug.assert(siphash.hash(test_key, buffer[0..i]) == expected);
}
}
test "siphash128-2-4 sanity" {
const vectors = [][]const u8 {
"\xa3\x81\x7f\x04\xba\x25\xa8\xe6\x6d\xf6\x72\x14\xc7\x55\x02\x93",
"\xda\x87\xc1\xd8\x6b\x99\xaf\x44\x34\x76\x59\x11\x9b\x22\xfc\x45",
"\x81\x77\x22\x8d\xa4\xa4\x5d\xc7\xfc\xa3\x8b\xde\xf6\x0a\xff\xe4",
"\x9c\x70\xb6\x0c\x52\x67\xa9\x4e\x5f\x33\xb6\xb0\x29\x85\xed\x51",
"\xf8\x81\x64\xc1\x2d\x9c\x8f\xaf\x7d\x0f\x6e\x7c\x7b\xcd\x55\x79",
"\x13\x68\x87\x59\x80\x77\x6f\x88\x54\x52\x7a\x07\x69\x0e\x96\x27",
"\x14\xee\xca\x33\x8b\x20\x86\x13\x48\x5e\xa0\x30\x8f\xd7\xa1\x5e",
"\xa1\xf1\xeb\xbe\xd8\xdb\xc1\x53\xc0\xb8\x4a\xa6\x1f\xf0\x82\x39",
"\x3b\x62\xa9\xba\x62\x58\xf5\x61\x0f\x83\xe2\x64\xf3\x14\x97\xb4",
"\x26\x44\x99\x06\x0a\xd9\xba\xab\xc4\x7f\x8b\x02\xbb\x6d\x71\xed",
"\x00\x11\x0d\xc3\x78\x14\x69\x56\xc9\x54\x47\xd3\xf3\xd0\xfb\xba",
"\x01\x51\xc5\x68\x38\x6b\x66\x77\xa2\xb4\xdc\x6f\x81\xe5\xdc\x18",
"\xd6\x26\xb2\x66\x90\x5e\xf3\x58\x82\x63\x4d\xf6\x85\x32\xc1\x25",
"\x98\x69\xe2\x47\xe9\xc0\x8b\x10\xd0\x29\x93\x4f\xc4\xb9\x52\xf7",
"\x31\xfc\xef\xac\x66\xd7\xde\x9c\x7e\xc7\x48\x5f\xe4\x49\x49\x02",
"\x54\x93\xe9\x99\x33\xb0\xa8\x11\x7e\x08\xec\x0f\x97\xcf\xc3\xd9",
"\x6e\xe2\xa4\xca\x67\xb0\x54\xbb\xfd\x33\x15\xbf\x85\x23\x05\x77",
"\x47\x3d\x06\xe8\x73\x8d\xb8\x98\x54\xc0\x66\xc4\x7a\xe4\x77\x40",
"\xa4\x26\xe5\xe4\x23\xbf\x48\x85\x29\x4d\xa4\x81\xfe\xae\xf7\x23",
"\x78\x01\x77\x31\xcf\x65\xfa\xb0\x74\xd5\x20\x89\x52\x51\x2e\xb1",
"\x9e\x25\xfc\x83\x3f\x22\x90\x73\x3e\x93\x44\xa5\xe8\x38\x39\xeb",
"\x56\x8e\x49\x5a\xbe\x52\x5a\x21\x8a\x22\x14\xcd\x3e\x07\x1d\x12",
"\x4a\x29\xb5\x45\x52\xd1\x6b\x9a\x46\x9c\x10\x52\x8e\xff\x0a\xae",
"\xc9\xd1\x84\xdd\xd5\xa9\xf5\xe0\xcf\x8c\xe2\x9a\x9a\xbf\x69\x1c",
"\x2d\xb4\x79\xae\x78\xbd\x50\xd8\x88\x2a\x8a\x17\x8a\x61\x32\xad",
"\x8e\xce\x5f\x04\x2d\x5e\x44\x7b\x50\x51\xb9\xea\xcb\x8d\x8f\x6f",
"\x9c\x0b\x53\xb4\xb3\xc3\x07\xe8\x7e\xae\xe0\x86\x78\x14\x1f\x66",
"\xab\xf2\x48\xaf\x69\xa6\xea\xe4\xbf\xd3\xeb\x2f\x12\x9e\xeb\x94",
"\x06\x64\xda\x16\x68\x57\x4b\x88\xb9\x35\xf3\x02\x73\x58\xae\xf4",
"\xaa\x4b\x9d\xc4\xbf\x33\x7d\xe9\x0c\xd4\xfd\x3c\x46\x7c\x6a\xb7",
"\xea\x5c\x7f\x47\x1f\xaf\x6b\xde\x2b\x1a\xd7\xd4\x68\x6d\x22\x87",
"\x29\x39\xb0\x18\x32\x23\xfa\xfc\x17\x23\xde\x4f\x52\xc4\x3d\x35",
"\x7c\x39\x56\xca\x5e\xea\xfc\x3e\x36\x3e\x9d\x55\x65\x46\xeb\x68",
"\x77\xc6\x07\x71\x46\xf0\x1c\x32\xb6\xb6\x9d\x5f\x4e\xa9\xff\xcf",
"\x37\xa6\x98\x6c\xb8\x84\x7e\xdf\x09\x25\xf0\xf1\x30\x9b\x54\xde",
"\xa7\x05\xf0\xe6\x9d\xa9\xa8\xf9\x07\x24\x1a\x2e\x92\x3c\x8c\xc8",
"\x3d\xc4\x7d\x1f\x29\xc4\x48\x46\x1e\x9e\x76\xed\x90\x4f\x67\x11",
"\x0d\x62\xbf\x01\xe6\xfc\x0e\x1a\x0d\x3c\x47\x51\xc5\xd3\x69\x2b",
"\x8c\x03\x46\x8b\xca\x7c\x66\x9e\xe4\xfd\x5e\x08\x4b\xbe\xe7\xb5",
"\x52\x8a\x5b\xb9\x3b\xaf\x2c\x9c\x44\x73\xcc\xe5\xd0\xd2\x2b\xd9",
"\xdf\x6a\x30\x1e\x95\xc9\x5d\xad\x97\xae\x0c\xc8\xc6\x91\x3b\xd8",
"\x80\x11\x89\x90\x2c\x85\x7f\x39\xe7\x35\x91\x28\x5e\x70\xb6\xdb",
"\xe6\x17\x34\x6a\xc9\xc2\x31\xbb\x36\x50\xae\x34\xcc\xca\x0c\x5b",
"\x27\xd9\x34\x37\xef\xb7\x21\xaa\x40\x18\x21\xdc\xec\x5a\xdf\x89",
"\x89\x23\x7d\x9d\xed\x9c\x5e\x78\xd8\xb1\xc9\xb1\x66\xcc\x73\x42",
"\x4a\x6d\x80\x91\xbf\x5e\x7d\x65\x11\x89\xfa\x94\xa2\x50\xb1\x4c",
"\x0e\x33\xf9\x60\x55\xe7\xae\x89\x3f\xfc\x0e\x3d\xcf\x49\x29\x02",
"\xe6\x1c\x43\x2b\x72\x0b\x19\xd1\x8e\xc8\xd8\x4b\xdc\x63\x15\x1b",
"\xf7\xe5\xae\xf5\x49\xf7\x82\xcf\x37\x90\x55\xa6\x08\x26\x9b\x16",
"\x43\x8d\x03\x0f\xd0\xb7\xa5\x4f\xa8\x37\xf2\xad\x20\x1a\x64\x03",
"\xa5\x90\xd3\xee\x4f\xbf\x04\xe3\x24\x7e\x0d\x27\xf2\x86\x42\x3f",
"\x5f\xe2\xc1\xa1\x72\xfe\x93\xc4\xb1\x5c\xd3\x7c\xae\xf9\xf5\x38",
"\x2c\x97\x32\x5c\xbd\x06\xb3\x6e\xb2\x13\x3d\xd0\x8b\x3a\x01\x7c",
"\x92\xc8\x14\x22\x7a\x6b\xca\x94\x9f\xf0\x65\x9f\x00\x2a\xd3\x9e",
"\xdc\xe8\x50\x11\x0b\xd8\x32\x8c\xfb\xd5\x08\x41\xd6\x91\x1d\x87",
"\x67\xf1\x49\x84\xc7\xda\x79\x12\x48\xe3\x2b\xb5\x92\x25\x83\xda",
"\x19\x38\xf2\xcf\x72\xd5\x4e\xe9\x7e\x94\x16\x6f\xa9\x1d\x2a\x36",
"\x74\x48\x1e\x96\x46\xed\x49\xfe\x0f\x62\x24\x30\x16\x04\x69\x8e",
"\x57\xfc\xa5\xde\x98\xa9\xd6\xd8\x00\x64\x38\xd0\x58\x3d\x8a\x1d",
"\x9f\xec\xde\x1c\xef\xdc\x1c\xbe\xd4\x76\x36\x74\xd9\x57\x53\x59",
"\xe3\x04\x0c\x00\xeb\x28\xf1\x53\x66\xca\x73\xcb\xd8\x72\xe7\x40",
"\x76\x97\x00\x9a\x6a\x83\x1d\xfe\xcc\xa9\x1c\x59\x93\x67\x0f\x7a",
"\x58\x53\x54\x23\x21\xf5\x67\xa0\x05\xd5\x47\xa4\xf0\x47\x59\xbd",
"\x51\x50\xd1\x77\x2f\x50\x83\x4a\x50\x3e\x06\x9a\x97\x3f\xbd\x7c",
};
const siphash = SipHash128(2, 4);
var buffer: [64]u8 = undefined;
for (vectors) |vector, i| {
buffer[i] = u8(i);
const expected = mem.readInt(vector, u128, Endian.Little);
debug.assert(siphash.hash(test_key, buffer[0..i]) == expected);
}
}

View File

@ -19,6 +19,7 @@ pub const elf = @import("elf.zig");
pub const empty_import = @import("empty.zig");
pub const endian = @import("endian.zig");
pub const fmt = @import("fmt/index.zig");
pub const hash = @import("hash/index.zig");
pub const heap = @import("heap.zig");
pub const io = @import("io.zig");
pub const macho = @import("macho.zig");
@ -51,6 +52,7 @@ test "std" {
_ = @import("empty.zig");
_ = @import("endian.zig");
_ = @import("fmt/index.zig");
_ = @import("hash/index.zig");
_ = @import("io.zig");
_ = @import("macho.zig");
_ = @import("math/index.zig");