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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_hash_openssl_h__
#define INCLUDE_hash_hash_openssl_h__
#include "hash.h"
#include <openssl/sha.h>
struct git_hash_ctx {
SHA_CTX c;
};
#define git_hash_ctx_init(ctx) git_hash_init(ctx)
#define git_hash_ctx_cleanup(ctx)
GIT_INLINE(int) git_hash_global_init(void)
{
return 0;
}
GIT_INLINE(int) git_hash_init(git_hash_ctx *ctx)
{
assert(ctx);
if (SHA1_Init(&ctx->c) != 1) {
giterr_set(GITERR_SHA1, "hash_openssl: failed to initialize hash context");
return -1;
}
return 0;
}
GIT_INLINE(int) git_hash_update(git_hash_ctx *ctx, const void *data, size_t len)
{
assert(ctx);
if (SHA1_Update(&ctx->c, data, len) != 1) {
giterr_set(GITERR_SHA1, "hash_openssl: failed to update hash");
return -1;
}
return 0;
}
GIT_INLINE(int) git_hash_final(git_oid *out, git_hash_ctx *ctx)
{
assert(ctx);
if (SHA1_Final(out->id, &ctx->c) != 1) {
giterr_set(GITERR_SHA1, "hash_openssl: failed to finalize hash");
return -1;
}
return 0;
}
#endif
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