VBoot Reference: Refactor Part 2 - Crypto Libraries

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

include/rsa_utility.h

@@ -1,58 +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.
- *
- * Some utility functions for use with RSA signature verification.
- */
-
-#ifndef VBOOT_REFERENCE_RSA_UTILITY_H_
-#define VBOOT_REFERENCE_RSA_UTILITY_H_
-
-#include "rsa.h"
-
-/* Returns the size of a pre-processed RSA public key in bytes with algorithm
- * [algorithm]. */
-int RSAProcessedKeySize(int algorithm);
-
-/* Allocate a new RSAPublicKey structure and initialize its pointer fields to
- * NULL */
-RSAPublicKey* RSAPublicKeyNew(void);
-
-/* Deep free the contents of [key]. */
-void RSAPublicKeyFree(RSAPublicKey* key);
-
-/* Create a RSAPublic key structure from binary blob [buf] of length
- * [len].
- *
- * Caller owns the returned key and must free it.
- */
-RSAPublicKey* RSAPublicKeyFromBuf(const uint8_t* buf, int len);
-
-/* Perform RSA signature verification on [buf] of length [len] against expected
- * signature [sig] using signature algorithm [algorithm]. The public key used
- * for verification can either be in the form of a pre-process key blob
- * [key_blob] or RSAPublicKey structure [key]. One of [key_blob] or [key] must
- * be non-NULL, and the other NULL or the function will fail.
- *
- * Returns 1 on verification success, 0 on verification failure or invalid
- * arguments.
- *
- * Note: This function is for use in the firmware and assumes all pointers point
- * to areas in the memory of the right size.
- *
- */
-int RSAVerifyBinary_f(const uint8_t* key_blob,
-                      const RSAPublicKey* key,
-                      const uint8_t* buf,
-                      uint64_t len,
-                      const uint8_t* sig,
-                      int algorithm);
-
-/* Version of RSAVerifyBinary_f() where instead of the raw binary blob
- * of data, its digest is passed as the argument. */
-int RSAVerifyBinaryWithDigest_f(const uint8_t* key_blob,
-                                const RSAPublicKey* key,
-                                const uint8_t* digest,
-                                const uint8_t* sig,
-                                int algorithm);
-#endif  /* VBOOT_REFERENCE_RSA_UTILITY_H_ */