Revert 150375 - Implement SHA-256 fingerprint support

net/base/x509_certificate_mac.cc

 // Copyright (c) 2012 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.
 
 #include "net/base/x509_certificate.h"
 
 #include <CommonCrypto/CommonDigest.h>
 #include <CoreServices/CoreServices.h>
 #include <Security/Security.h>
 #include <time.h>
@@ skipping 559 matching lines @@
     return NULL;
   return reinterpret_cast<OSCertHandle>(const_cast<void*>(CFRetain(handle)));
 }
 
 // static
 void X509Certificate::FreeOSCertHandle(OSCertHandle cert_handle) {
   CFRelease(cert_handle);
 }
 
 // static
-SHA1HashValue X509Certificate::CalculateFingerprint(
+SHA1Fingerprint X509Certificate::CalculateFingerprint(
     OSCertHandle cert) {
-  SHA1HashValue sha1;
+  SHA1Fingerprint sha1;
   memset(sha1.data, 0, sizeof(sha1.data));
 
   CSSM_DATA cert_data;
   OSStatus status = SecCertificateGetData(cert, &cert_data);
   if (status)
     return sha1;
 
   DCHECK(cert_data.Data);
   DCHECK_NE(cert_data.Length, 0U);
 
   CC_SHA1(cert_data.Data, cert_data.Length, sha1.data);
 
   return sha1;
 }
 
 // static
-SHA1HashValue X509Certificate::CalculateCAFingerprint(
+SHA1Fingerprint X509Certificate::CalculateCAFingerprint(
     const OSCertHandles& intermediates) {
-  SHA1HashValue sha1;
+  SHA1Fingerprint sha1;
   memset(sha1.data, 0, sizeof(sha1.data));
 
   // The CC_SHA(3cc) man page says all CC_SHA1_xxx routines return 1, so
   // we don't check their return values.
   CC_SHA1_CTX sha1_ctx;
   CC_SHA1_Init(&sha1_ctx);
   CSSM_DATA cert_data;
   for (size_t i = 0; i < intermediates.size(); ++i) {
     OSStatus status = SecCertificateGetData(intermediates[i], &cert_data);
     if (status)
@@ skipping 101 matching lines @@
     if (err != noErr)
       continue;
     ScopedCFTypeRef<SecCertificateRef> scoped_cert_handle(cert_handle);
 
     scoped_refptr<X509Certificate> cert(
         CreateFromHandle(cert_handle, OSCertHandles()));
     if (cert->HasExpired() || !cert->SupportsSSLClientAuth())
       continue;
 
     // Skip duplicates (a cert may be in multiple keychains).
-    const SHA1HashValue& fingerprint = cert->fingerprint();
+    const SHA1Fingerprint& fingerprint = cert->fingerprint();
     unsigned i;
     for (i = 0; i < certs->size(); ++i) {
       if ((*certs)[i]->fingerprint().Equals(fingerprint))
         break;
     }
     if (i < certs->size())
       continue;
 
     bool is_preferred = preferred_identity &&
         CFEqual(preferred_identity, identity);
@@ skipping 128 matching lines @@
       *type = kPublicKeyTypeDH;
       break;
     default:
       *type = kPublicKeyTypeUnknown;
       *size_bits = 0;
       break;
   }
 }
 
 }  // namespace net