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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"
/* 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);
/* Returns the appropriate digest for the data in [input_file]
* based on the signature [algorithm].
* Caller owns the returned digest and must free it.
*/
uint8_t* DigestFile(char* input_file, int sig_algorithm);
/* Helper function to invoke external program to calculate signature on
* [input_file] using private key [key_file] and signature algorithm
* [algorithm].
*
* Returns the signature. Caller owns the buffer and must Free() it.
*/
uint8_t* SignatureFile(const char* input_file, const char* key_file,
unsigned int algorithm);
#endif /* VBOOT_REFERENCE_FILE_KEYS_H_ */
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