Vboot Reference: Add the "real" reference firmware verification function (VerifyFirmware).

src/platform/vboot_reference/utils/verify_data.c

Index: src/platform/vboot_reference/utils/verify_data.c
diff --git a/src/platform/vboot_reference/utils/verify_data.c b/src/platform/vboot_reference/utils/verify_data.c
index 5cb33f45e973513df2771f0702614c7d5423e24d..c58b6fb8358a57b08f53d99fa42a48ba6451f3c4 100644
--- a/src/platform/vboot_reference/utils/verify_data.c
+++ b/src/platform/vboot_reference/utils/verify_data.c
@@ -22,6 +22,11 @@
 #include "rsa_utility.h"
 #include "verify_data.h"
 
+/* ANSI Color coding sequences. */
+#define COL_GREEN "\e[1;32m"
+#define COL_RED "\e[0;31m]"
+#define COL_STOP "\e[m"
+
 uint8_t* read_signature(char* input_file, int len) {
   int i, sigfd;
   uint8_t* signature = NULL;
@@ -46,7 +51,6 @@ uint8_t* read_signature(char* input_file, int len) {
   return signature;
 }
 
-
 int main(int argc, char* argv[]) {
   int i, algorithm, sig_len;
   int return_code = 1;  /* Default to error. */
@@ -80,10 +84,11 @@ int main(int argc, char* argv[]) {
     goto failure;
   if(RSA_verify(key, signature, sig_len, algorithm, digest)) {
     return_code = 0;
-    fprintf(stderr, "Signature Verification SUCCEEDED.\n");
-  }
-  else {
-    fprintf(stderr, "Signature Verification FAILED!\n");
+    fprintf(stderr, "Signature Verification "
+            COL_GREEN "SUCCEEDED" COL_STOP "\n");
+  } else {
+    fprintf(stderr, "Signature Verification "
+            COL_RED "FAILED" COL_STOP "\n");
   }
 
 failure: