thodg/libgit2/src/util/hash/sha.h

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• Hash : c7b189ba
  Author :
  Date : 2021-12-12T13:19:36
  

  sha1: refactor folder structure Eliminate the `sha1` folder, move it down into `hash` so that future impelmentations can share common code.

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• src/util/hash/sha.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #ifndef INCLUDE_hash_sha_h__
  #define INCLUDE_hash_sha_h__
  
  #include "git2_util.h"
  
  typedef struct git_hash_sha1_ctx git_hash_sha1_ctx;
  typedef struct git_hash_sha256_ctx git_hash_sha256_ctx;
  
  #if defined(GIT_SHA1_COMMON_CRYPTO) || defined(GIT_SHA256_COMMON_CRYPTO)
  # include "common_crypto.h"
  #endif
  
  #if defined(GIT_SHA1_OPENSSL) || defined(GIT_SHA256_OPENSSL)
  # include "openssl.h"
  #endif
  
  #if defined(GIT_SHA1_WIN32) || defined(GIT_SHA256_WIN32)
  # include "win32.h"
  #endif
  
  #if defined(GIT_SHA1_MBEDTLS) || defined(GIT_SHA256_MBEDTLS)
  # include "mbedtls.h"
  #endif
  
  #if defined(GIT_SHA1_COLLISIONDETECT)
  # include "collisiondetect.h"
  #endif
  
  #if defined(GIT_SHA256_BUILTIN)
  # include "builtin.h"
  #endif
  
  /*
   * SHA1
   */
  
  #define GIT_HASH_SHA1_SIZE 20
  
  int git_hash_sha1_global_init(void);
  
  int git_hash_sha1_ctx_init(git_hash_sha1_ctx *ctx);
  void git_hash_sha1_ctx_cleanup(git_hash_sha1_ctx *ctx);
  
  int git_hash_sha1_init(git_hash_sha1_ctx *c);
  int git_hash_sha1_update(git_hash_sha1_ctx *c, const void *data, size_t len);
  int git_hash_sha1_final(unsigned char *out, git_hash_sha1_ctx *c);
  
  /*
   * SHA256
   */
  
  #define GIT_HASH_SHA256_SIZE 32
  
  int git_hash_sha256_global_init(void);
  
  int git_hash_sha256_ctx_init(git_hash_sha256_ctx *ctx);
  void git_hash_sha256_ctx_cleanup(git_hash_sha256_ctx *ctx);
  
  int git_hash_sha256_init(git_hash_sha256_ctx *c);
  int git_hash_sha256_update(git_hash_sha256_ctx *c, const void *data, size_t len);
  int git_hash_sha256_final(unsigned char *out, git_hash_sha256_ctx *c);
  
  #endif
  

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