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/*
* 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_h__
#define INCLUDE_hash_h__
#include "git2_util.h"
#include "hash/sha.h"
typedef struct {
void *data;
size_t len;
} git_str_vec;
typedef enum {
GIT_HASH_ALGORITHM_NONE = 0,
GIT_HASH_ALGORITHM_SHA1,
GIT_HASH_ALGORITHM_SHA256
} git_hash_algorithm_t;
typedef struct git_hash_ctx {
union {
git_hash_sha1_ctx sha1;
git_hash_sha256_ctx sha256;
} ctx;
git_hash_algorithm_t algorithm;
} git_hash_ctx;
int git_hash_global_init(void);
int git_hash_ctx_init(git_hash_ctx *ctx, git_hash_algorithm_t algorithm);
void git_hash_ctx_cleanup(git_hash_ctx *ctx);
int git_hash_init(git_hash_ctx *c);
int git_hash_update(git_hash_ctx *c, const void *data, size_t len);
int git_hash_final(unsigned char *out, git_hash_ctx *c);
int git_hash_buf(unsigned char *out, const void *data, size_t len, git_hash_algorithm_t algorithm);
int git_hash_vec(unsigned char *out, git_str_vec *vec, size_t n, git_hash_algorithm_t algorithm);
int git_hash_fmt(char *out, unsigned char *hash, size_t hash_len);
#endif
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