src/hash.h

   1 /*
   2  * Copyright (C) the libgit2 contributors. All rights reserved.
   3  *
   4  * This file is part of libgit2, distributed under the GNU GPL v2 with
   5  * a Linking Exception. For full terms see the included COPYING file.
   6  */
   7 #ifndef INCLUDE_hash_h__
   8 #define INCLUDE_hash_h__
   9
  10 #include "common.h"
  11
  12 #include "git2/oid.h"
  13
  14 typedef struct git_hash_prov git_hash_prov;
  15 typedef struct git_hash_ctx git_hash_ctx;
  16
  17 int git_hash_ctx_init(git_hash_ctx *ctx);
  18 void git_hash_ctx_cleanup(git_hash_ctx *ctx);
  19
  20 #if defined(GIT_SHA1_COLLISIONDETECT)
  21 # include "hash/hash_collisiondetect.h"
  22 #elif defined(GIT_SHA1_COMMON_CRYPTO)
  23 # include "hash/hash_common_crypto.h"
  24 #elif defined(GIT_SHA1_OPENSSL)
  25 # include "hash/hash_openssl.h"
  26 #elif defined(GIT_SHA1_WIN32)
  27 # include "hash/hash_win32.h"
  28 #elif defined(GIT_SHA1_MBEDTLS)
  29 # include "hash/hash_mbedtls.h"
  30 #else
  31 # include "hash/hash_generic.h"
  32 #endif
  33
  34 int git_hash_global_init(void);
  35
  36 typedef struct {
  37         void *data;
  38         size_t len;
  39 } git_buf_vec;
  40
  41 int git_hash_init(git_hash_ctx *c);
  42 int git_hash_update(git_hash_ctx *c, const void *data, size_t len);
  43 int git_hash_final(git_oid *out, git_hash_ctx *c);
  44
  45 int git_hash_buf(git_oid *out, const void *data, size_t len);
  46 int git_hash_vec(git_oid *out, git_buf_vec *vec, size_t n);
  47
  48 #endif