blob: e783c85e0b350ba7de24faf1459aa2d7f237f88f [file] [log] [blame]
/* 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.
#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);