Add fuzz testing driver programs for kernel and firmware verification.

src/platform/vboot_reference/tests/verify_kernel_fuzz_driver.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.
+ *
+ * Utility for aiding fuzz testing of kernel image verification code.
+ */
+
+#include <stdio.h>
+
+#include "file_keys.h"
+#include "kernel_image.h"
+#include "utility.h"
+
+int VerifySignedKernel(const char* image_file,
+                       const char* firmware_key_file) {
+  int error, error_code = 0;
+  uint64_t len;
+  uint8_t* kernel_blob = BufferFromFile(image_file, &len);
+  uint8_t* firmware_key_blob = BufferFromFile(firmware_key_file, &len);
+
+  if (!firmware_key_blob) {
+    fprintf(stderr, "Couldn't read pre-processed public firmware key.\n");
+    error_code = 1;
+  }
+
+  if (!error_code && !kernel_blob) {
+    fprintf(stderr, "Couldn't read kernel image or malformed image.\n");
+    error_code = 1;
+  }
+
+  if (!error_code && (error = VerifyKernel(firmware_key_blob, kernel_blob,
+                                           0))) { /* Trusted Mode. */
+    fprintf(stderr, "%s\n", VerifyKernelErrorString(error));
+    error_code = 1;
+  }
+  Free(firmware_key_blob);
+  Free(kernel_blob);
+  if (error_code)
+    return 0;
+  return 1;
+}
+
+int main(int argc, char* argv[]) {
+  if (argc != 3) {
+    fprintf(stderr, "Usage: %s <image_to_verify> <firmware_keyb>\n", argv[0]);
+    return -1;
+  }
+  if (VerifySignedKernel(argv[1], argv[2])) {
+    fprintf(stderr, "Verification SUCCESS!\n");
+    return 0;
+  }
+  else {
+    fprintf(stderr, "Verification FAILURE!\n");
+    return -1;
+  }
+}