Vboot reference: A basic user-land verified boot firmware signing and verification utility.

src/platform/vboot_reference/tests/rsa_verify_benchmark.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.
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 
 #include "file_keys.h"
 #include "padding.h"
 #include "rsa.h"
 #include "timer_utils.h"
 #include "utility.h"
 
 #define FILE_NAME_SIZE 128
 #define NUM_OPERATIONS 100 /* Number of signature operations to time. */
 
 void SpeedTestAlgorithm(int algorithm) {
   int i, key_size;
   double speed, msecs;
   char file_name[FILE_NAME_SIZE];
   uint8_t* digest = NULL;
   uint8_t* signature = NULL;
-  int digest_len;
-  int sig_len;
+  uint32_t digest_len, sig_len;
   RSAPublicKey* key = NULL;
   ClockTimerState ct;
   char* sha_strings[] = {  /* Maps algorithm->SHA algorithm. */
-    "sha1", "sha256", "sha512",  /* RSA-1024 */
+    "sha1", "sha256", "psha512",  /* RSA-1024 */
     "sha1", "sha256", "sha512",  /* RSA-2048 */
     "sha1", "sha256", "sha512",  /* RSA-4096 */
     "sha1", "sha256", "sha512",  /* RSA-8192 */
   };
 
   key_size = siglen_map[algorithm] * sizeof(uint32_t) * 8;  /* in bits. */
   /* Get key. */
   snprintf(file_name, FILE_NAME_SIZE, "testkeys/key_rsa%d.keyb", key_size);
   key = RSAPublicKeyFromFile(file_name);
   if (!key) {
@@ skipping 38 matching lines @@
   Free(key);
 }
 
 int main(int argc, char* argv[]) {
   int i;
   for (i = 0; i < kNumAlgorithms; ++i) {
     SpeedTestAlgorithm(i);
   }
   return 0;
 }