Vboot Reference: Add kernel image verification benchmark.

src/platform/vboot_reference/tests/kernel_image_tests.c

 /* 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.
  *
  * Tests for kernel image library.
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 
@@ skipping 133 matching lines @@
     success = 0;
 
   return success;
 }
 
 int main(int argc, char* argv[]) {
   uint64_t len;
   uint8_t* kernel_sign_key_buf = NULL;
   uint8_t* firmware_key_blob = NULL;
   uint8_t* kernel_blob = NULL;
-  int kernel_blob_len = 0;
+  uint64_t kernel_blob_len = 0;
   KernelImage* image = NULL;
   RSAPublicKey* firmware_key = NULL;
   int error_code = 1;
 
   if(argc != 7) {
     fprintf(stderr, "Usage: %s <firmware signing algorithm> "  /* argv[1] */
             "<kernel signing algorithm> "  /* argv[2] */
             "<firmware key> "  /* argv[3] */
             "<processed firmware pubkey> "  /* argv[4] */
             "<kernel signing key> "  /* argv[5] */
@@ skipping 23 matching lines @@
   }
 
   /* Generate and populate signatures. */
   if (!AddKernelKeySignature(image, argv[3])) {
     fprintf(stderr, "Couldn't create key signature.\n");
     error_code = 1;
     goto failure;
   }
 
   if (!AddKernelSignature(image, argv[5])) {
-    fprintf(stderr, "Couldn't create firmware and preamble signature.\n");
+    fprintf(stderr, "Couldn't create kernel option and kernel signature.\n");
     error_code = 1;
     goto failure;
   }
 
   kernel_blob = GetKernelBlob(image, &kernel_blob_len);
 
   /* Test Kernel blob verify operations. */
   if (!VerifyKernelTest(kernel_blob, firmware_key_blob))
     error_code = 255;
 
   /* Test KernelImage verify operations. */
   if (!VerifyKernelImageTest(image, firmware_key))
     error_code = 255;
   if (!VerifyKernelImageTamperTest(image, firmware_key))
     error_code = 255;
 
 failure:
   Free(kernel_blob);
   KernelImageFree(image);
   Free(kernel_sign_key_buf);
   Free(firmware_key_blob);
   RSAPublicKeyFree(firmware_key);
 
   return error_code;
 }