New tools to help debug vboot failures.

host/lib/host_misc.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.
  *
  * Host functions for verified boot.
  */
 
 /* TODO: change all 'return 0', 'return 1' into meaningful return codes */
 
 #include <stdio.h>
@@ skipping 48 matching lines @@
 
   if (1 != fwrite(data, size, 1, f)) {
     VBDEBUG(("Unable to write to file %s\n", filename));
     fclose(f);
     unlink(filename);  /* Delete any partial file */
   }
 
   fclose(f);
   return 0;
 }
+
+void PrintPubKeySha1Sum(VbPublicKey* key) {
+  uint8_t* buf = ((uint8_t *)key) + key->key_offset;
+  uint64_t buflen = key->key_size;
+  uint8_t* digest = DigestBuf(buf, buflen, SHA1_DIGEST_ALGORITHM);
+  int i;
+  for (i=0; i<SHA1_DIGEST_SIZE; i++)
+    printf("%02x", digest[i]);
+  Free(digest);
+}