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

src/platform/vboot_reference/tests/verify_data.h

Index: src/platform/vboot_reference/tests/verify_data.h
diff --git a/src/platform/vboot_reference/tests/verify_data.h b/src/platform/vboot_reference/tests/verify_data.h
index e377415aef430e5f633230eed01bb50408492577..a9732debe56adb4394730e3cb1d8d59f65818be1 100644
--- a/src/platform/vboot_reference/tests/verify_data.h
+++ b/src/platform/vboot_reference/tests/verify_data.h
@@ -12,27 +12,6 @@
  */
 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.
  */