Implement SHA-256 fingerprint support

net/base/cert_verify_result.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_BASE_CERT_VERIFY_RESULT_H_
 #define NET_BASE_CERT_VERIFY_RESULT_H_
 
 #include <vector>
 
 #include "net/base/cert_status_flags.h"
@@ skipping 27 matching lines @@
   // chain.
   CertStatus cert_status;
 
   // Properties of the certificate chain.
   bool has_md5;
   bool has_md2;
   bool has_md4;
   bool has_md5_ca;
   bool has_md2_ca;
 
-  // If the certificate was successfully verified then this contains the SHA1
-  // fingerprints of the SubjectPublicKeyInfos of the chain. The fingerprint
-  // from the leaf certificate will be the first element of the vector.
-  std::vector<SHA1Fingerprint> public_key_hashes;
+  // If the certificate was successfully verified then this contains the
+  // fingerprints, in several hash algorithms, of the SubjectPublicKeyInfos
+  // of the chain. The fingerprint from the leaf certificate will be the
+  // first element of each sub-vector.
+  //
+  // This is a vector of vectors: Index the outer vector with
+  // FingerprintTag, and then the inner HashValueVectors will be
+  // fingerprints made with the algorithm named by the FingerprintTag.
+  std::vector<HashValueVector> public_key_hashes;
 
   // is_issued_by_known_root is true if we recognise the root CA as a standard
   // root.  If it isn't then it's probably the case that this certificate was
   // generated by a MITM proxy whose root has been installed locally. This is
   // meaningless if the certificate was not trusted.
   bool is_issued_by_known_root;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_CERT_VERIFY_RESULT_H_