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/* Copyright (c) 2010 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.
*
* Utility functions for file and key handling.
*/
#ifndef VBOOT_REFERENCE_FILE_KEYS_H_
#define VBOOT_REFERENCE_FILE_KEYS_H_
#include "cryptolib.h"
#include "2sha.h"
/* Read file named [input_file] into a buffer and stores the length into
* [len].
*
* Returns a pointer to the buffer. Caller owns the returned pointer and
* must free it.
*/
uint8_t* BufferFromFile(const char* input_file, uint64_t* len);
/* Read a pre-processed RSA Public Key from file [input_file].
*
* Returns a pointer to the read key. Caller owns the returned pointer and
* must free it.
*/
RSAPublicKey* RSAPublicKeyFromFile(const char* input_file);
/* Calculates the appropriate digest for the data in [input_file] based on the
* hash algorithm [alg] and stores it into [digest], which is of size
* [digest_size]. Returns VB2_SUCCESS, or non-zero on error.
*/
int DigestFile(char *input_file, enum vb2_hash_algorithm alg,
uint8_t *digest, uint32_t digest_size);
#endif /* VBOOT_REFERENCE_FILE_KEYS_H_ */
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