Refactor SHA*_file functions into a separate file. Generate them using a C macro.

src/platform/vboot_reference/tests/verify_data.h

 /* 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.
  */
 
 #ifndef VBOOT_REFERENCE_VERIFY_DATA_H_
 #define VBOOT_REFERENCE_VERIFY_DATA_H_
 
 /* Reads a pre-processed key of a [len] bytes from [input_file] and
  * returns it in a RSAPublicKey structure.
  * Caller owns the returned key and must free it.
  */
 RSAPublicKey* read_RSAkey(char *input_file, int len);
 
-/* Returns the SHA-1 digest of [input_file].
- * Caller owns the returned digest and must free it. 
- */
-uint8_t* SHA1_file(char *input_file);
-
-/* Returns the SHA-256 digest of [input_file].
- * Caller owns the returned digest and must free it. 
- */
-uint8_t* SHA256_file(char *input_file);
-
-/* Returns the SHA-512 digest of [input_file].
- * Caller owns the returned digest and must free it. 
- */
-uint8_t* SHA512_file(char *input_file);
-
-/* Returns the appropriate digest for the [input_file] based on the
- * signature [algorithm].
- * Caller owns the returned digest and must free it.
- */
-uint8_t* calculate_digest(char *input_file, int algorithm);
-
 /* Return a signature of [len] bytes read from [input_file].
  * Caller owns the returned signature and must free it.
  */
 uint8_t* read_signature(char *input_file, int len);
 
 #endif  /* VBOOT_REFERENCE_VERIFY_DATA_H_ */