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VBoot Reference: Refactor Part 2 - Crypto Libraries

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Removing multiple top level includes - now padding.h, rsa.h and sha.h are used internally and cryptolib.h must be used instead for all modules that wish to use crypto functions.

I am trying to separate refactors involving code movement from one file to another, and the movement of files themselves into separate CLs so that it's clear what changed.

Review URL: http://codereview.chromium.org/1574005
This commit is contained in:
Gaurav Shah
2010-03-30 23:08:10 -07:00
parent ed9c96a7aa
commit d46c347018
42 changed files with 234 additions and 255 deletions
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53
include/sha_utility.h
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@@ -1,53 +0,0 @@
/* 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 message digests.
*/
#ifndef VBOOT_REFERENCE_SHA_UTILITY_H_
#define VBOOT_REFERENCE_SHA_UTILITY_H_
#include <inttypes.h>
#include "sha.h"
#define SHA1_DIGEST_ALGORITHM 0
#define SHA256_DIGEST_ALGORITHM 1
#define SHA512_DIGEST_ALGORITHM 2
/* A generic digest context structure which can be used to represent
* the SHA*_CTX for multiple digest algorithms.
*/
typedef struct DigestContext {
SHA1_CTX* sha1_ctx;
SHA256_CTX* sha256_ctx;
SHA512_CTX* sha512_ctx;
int algorithm; /* Hashing algorithm to use. */
} DigestContext;
/* Wrappers for message digest algorithms. These are useful when the hashing
* operation is being done in parallel with something else. DigestContext tracks
* and stores the state of any digest algorithm (one at any given time).
*/
/* Initialize a digest context for use with signature algorithm [algorithm]. */
void DigestInit(DigestContext* ctx, int sig_algorithm);
void DigestUpdate(DigestContext* ctx, const uint8_t* data, uint64_t len);
/* Caller owns the returned digest and must free it. */
uint8_t* DigestFinal(DigestContext* ctx);
/* 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);
/* Returns the appropriate digest of [buf] of length
* [len] based on the signature [algorithm].
* Caller owns the returned digest and must free it.
*/
uint8_t* DigestBuf(const uint8_t* buf, uint64_t len, int sig_algorithm);
#endif /* VBOOT_REFERENCE_SHA_UTILITY_H_ */