Revert "VBoot Reference: Refactor Part 2 - Crypto Libraries"

This reverts commit e018a80a37aaa45681f45f5852f04d20aedd8b2d.

Review URL: http://codereview.chromium.org/1593002
diff --git a/utils/kernel_image.c b/utils/kernel_image.c
index 8c8c092..e66ce38 100644
--- a/utils/kernel_image.c
+++ b/utils/kernel_image.c
@@ -14,9 +14,11 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-#include "cryptolib.h"
 #include "file_keys.h"
+#include "padding.h"
 #include "rollback_index.h"
+#include "rsa_utility.h"
+#include "sha_utility.h"
 #include "signature_digest.h"
 #include "utility.h"