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
diff --git a/include/padding.h b/include/padding.h
index 938cec2..8d8fc95 100644
--- a/include/padding.h
+++ b/include/padding.h
@@ -6,7 +6,11 @@
 #ifndef VBOOT_REFERENCE_PADDING_H_
 #define VBOOT_REFERENCE_PADDING_H_
 
-#include <inttypes.h>
+#ifndef VBOOT_REFERENCE_CRYPTOLIB_H_
+#error "Do not include this file directly. Use cryptolib.h instead."
+#endif
+
+#include <stdint.h>
 
 extern const uint8_t paddingRSA1024_SHA1[];
 extern const uint8_t paddingRSA1024_SHA256[];
@@ -27,6 +31,7 @@
 extern const int siglen_map[];
 extern const uint8_t* padding_map[];
 extern const int padding_size_map[];
+extern const int hash_type_map[];
 extern const int hash_size_map[];
 extern const int hash_blocksize_map[];
 extern const uint8_t* hash_digestinfo_map[];