unikernel/duniverse/dune_/vendor/sha/sha1.mli

@@ -0,0 +1,103 @@
+(*
+ *	Copyright (C) 2006-2009 Vincent Hanquez <tab@snarc.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ *)
+
+(** SHA1 OCaml binding *)
+
+(** Context type - opaque. *)
+type ctx
+
+(** Buffer type. *)
+type buf = (char, Bigarray.int8_unsigned_elt, Bigarray.c_layout) Bigarray.Array1.t
+
+(** Digest type - opaque. *)
+type t
+
+(** The zero digest. *)
+val zero : t
+
+(** Create a new context. *)
+external init : unit -> ctx = "stub_sha1_init"
+
+(** [Sha1.unsafe_update_substring ctx s ofs len] updates the context
+   with the substring of [s] starting at character number [ofs] and
+   containing [len] characters. Unsafe: No range checking! *)
+external unsafe_update_substring : ctx -> string -> int -> int -> unit = "stub_sha1_update"
+
+(** [Sha1.update_substring ctx s ofs len] updates the context with the
+   substring of [s] starting at character number [ofs] and containing
+   [len] characters. *)
+val update_substring : ctx -> string -> int -> int -> unit
+
+(** [Sha1.update_string ctx s] updates the context with [s]. *)
+val update_string : ctx -> string -> unit
+
+(** [Sha1.update_buffer ctx a] updates the context with [a]. Runs
+   parallel to other threads if any exist. *)
+external update_buffer : ctx -> buf -> unit = "stub_sha1_update_bigarray"
+
+(** Finalize the context and return digest. *)
+external finalize : ctx -> t = "stub_sha1_finalize"
+
+(** Return a copy of the context. *)
+external copy : ctx -> ctx = "stub_sha1_copy"
+
+(** Return the digest of the given string. *)
+val string : string -> t
+
+(** [Sha1.substring s ofs len] returns the digest of the substring of
+   [s] starting at character number [ofs] and containing [len]
+   characters. *)
+val substring : string -> int -> int -> t
+
+(** If [len] is nonnegative, [Sha1.channel ic len] reads [len]
+   characters from channel [ic] and returns their digest, or raises
+   [End_of_file] if end-of-file is reached before [len] characters are
+   read. If [len] is negative, [Sha1.channel ic len] reads all
+   characters from [ic] until end-of-file is reached and return their
+   digest. *)
+val channel : in_channel -> int -> t
+
+(** Return the digest of the file whose name is given. *)
+val file : string -> t
+
+(** Return the digest of the file whose name is given using fast C
+   function. *)
+val file_fast : string -> t
+
+(** Write a digest on the given output channel. *)
+val output : out_channel -> t -> unit
+
+(** Read a digest from the given input channel. *)
+val input : in_channel -> t
+
+(** Return a binary representation of the given digest. *)
+val to_bin : t -> string
+
+(** Return a printable hexadecimal representation of the given
+   digest. *)
+val to_hex : t -> string
+
+(** Returns whether two hashes are equal. *)
+val equal : t -> t -> bool
+
+(** Sha1.of_bin digest converts the binary representation of a digest to the
+   internal representation of Sha1.t. *)
+val of_bin : bytes -> t
+
+(** Sha1.of_hex digest converts the hexadecimal representation of a digest to
+   the internal representation of Sha1.t. *)
+val of_hex : string -> t