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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.
*/
#include "builtin.h"
int git_hash_sha256_global_init(void)
{
return 0;
}
int git_hash_sha256_ctx_init(git_hash_sha256_ctx *ctx)
{
return git_hash_sha256_init(ctx);
}
void git_hash_sha256_ctx_cleanup(git_hash_sha256_ctx *ctx)
{
GIT_UNUSED(ctx);
}
int git_hash_sha256_init(git_hash_sha256_ctx *ctx)
{
GIT_ASSERT_ARG(ctx);
if (SHA256Reset(&ctx->c)) {
git_error_set(GIT_ERROR_SHA, "SHA256 error");
return -1;
}
return 0;
}
int git_hash_sha256_update(git_hash_sha256_ctx *ctx, const void *data, size_t len)
{
GIT_ASSERT_ARG(ctx);
if (SHA256Input(&ctx->c, data, len)) {
git_error_set(GIT_ERROR_SHA, "SHA256 error");
return -1;
}
return 0;
}
int git_hash_sha256_final(unsigned char *out, git_hash_sha256_ctx *ctx)
{
GIT_ASSERT_ARG(ctx);
if (SHA256Result(&ctx->c, out)) {
git_error_set(GIT_ERROR_SHA, "SHA256 error");
return -1;
}
return 0;
}
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