38 lines
1.8 KiB
OCaml
38 lines
1.8 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id *)
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(* Module [Digest]: MD5 message digest *)
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(* This module provides functions to compute 128-bit ``digests'' of
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arbitrary-length strings or files. The digests are cryptographic
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quality: it is very hard, given a digest, to forge a string having
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that digest. The algorithm used is MD5. *)
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type t = string
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(* The type of digests: 16-character strings. *)
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val string: string -> t
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(* Return the digest of the given string. *)
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val substring: string -> int -> int -> t
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(* [Digest.substring s ofs len] returns the digest of the substring
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of [s] starting at character number [ofs] and containing [len]
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characters. *)
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external channel: in_channel -> int -> t = "md5_chan"
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(* [Digest.channel ic len] reads [len] characters from channel [ic]
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and returns their digest. *)
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val file: string -> t
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(* Return the digest of the file whose name is given. *)
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val output: out_channel -> t -> unit
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(* Write a digest on the given output channel. *)
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val input: in_channel -> t
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(* Read a digest from the given input channel. *)
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