Add fuzz testing driver programs for kernel and firmware verification.

src/platform/vboot_reference/tests/verify_firmware_fuzz_driver.c

Index: src/platform/vboot_reference/tests/verify_firmware_fuzz_driver.c
diff --git a/src/platform/vboot_reference/tests/verify_firmware_fuzz_driver.c b/src/platform/vboot_reference/tests/verify_firmware_fuzz_driver.c
new file mode 100644
index 0000000000000000000000000000000000000000..224fdb585f64cd9306a6076cc100e3ee7db573f3
--- /dev/null
+++ b/src/platform/vboot_reference/tests/verify_firmware_fuzz_driver.c
@@ -0,0 +1,57 @@
+/* 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 firmware image verification code.
+ */
+
+#include <stdio.h>
+
+#include "file_keys.h"
+#include "firmware_image.h"
+#include "utility.h"
+
+int VerifySignedFirmware(const char* image_file,
+                         const char* root_key_file) {
+  int error, error_code = 0;
+  uint64_t len;
+  uint8_t* firmware_blob = BufferFromFile(image_file, &len);
+  uint8_t* root_key_blob = BufferFromFile(root_key_file, &len);
+
+  if (!root_key_blob) {
+    fprintf(stderr, "Couldn't read pre-processed public root key.\n");
+    error_code = 1;
+  }
+
+  if (!error_code && !firmware_blob) {
+    fprintf(stderr, "Couldn't read firmware image or malformed image.\n");
+    error_code = 1;
+  }
+
+  if (!error_code && (error = VerifyFirmware(root_key_blob, firmware_blob,
+                                             0))) { /* Trusted Mode. */
+    fprintf(stderr, "%s\n", VerifyFirmwareErrorString(error));
+    error_code = 1;
+  }
+  Free(root_key_blob);
+  Free(firmware_blob);
+  if (error_code)
+    return 0;
+  else
+    return 1;
+}
+
+int main(int argc, char* argv[]) {
+  if (argc != 3) {
+    fprintf(stderr, "Usage: %s <image_to_verify> <root_keyb>\n", argv[0]);
+    return -1;
+  }
+  if (VerifySignedFirmware(argv[1], argv[2])) {
+    fprintf(stderr, "Verification SUCCESS!\n");
+    return 0;
+  }
+  else {
+    fprintf(stderr, "Verification FAILURE!\n");
+    return -1;
+  }
+}