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/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* SHA-1 functions */
#ifndef _SHA1_H
#define _SHA1_H
#include "common.h"
#include "util.h"
#define SHA1_DIGEST_SIZE 20
#define SHA1_BLOCK_SIZE 64
/* SHA-1 context */
struct sha1_ctx {
uint32_t count;
uint32_t state[5];
union {
uint8_t b[SHA1_BLOCK_SIZE];
uint32_t w[DIV_ROUND_UP(SHA1_BLOCK_SIZE, sizeof(uint32_t))];
} buf;
};
void sha1_init(struct sha1_ctx *ctx);
void sha1_update(struct sha1_ctx *ctx, const uint8_t *data, uint32_t len);
uint8_t *sha1_final(struct sha1_ctx *ctx);
#endif /* _SHA1_H */
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