Replace crypto::SecureHash with calls to SHA256.

net/quic/core/crypto/crypto_utils.cc

 // Copyright (c) 2013 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/quic/core/crypto/crypto_utils.h"
 
 #include <memory>
 
 #include "crypto/hkdf.h"
-#include "crypto/secure_hash.h"
 #include "net/quic/core/crypto/crypto_handshake.h"
 #include "net/quic/core/crypto/crypto_protocol.h"
 #include "net/quic/core/crypto/quic_decrypter.h"
 #include "net/quic/core/crypto/quic_encrypter.h"
 #include "net/quic/core/crypto/quic_random.h"
 #include "net/quic/core/quic_time.h"
 #include "net/quic/core/quic_utils.h"
 #include "net/quic/platform/api/quic_bug_tracker.h"
 #include "net/quic/platform/api/quic_logging.h"
+#include "third_party/boringssl/src/include/openssl/sha.h"
 
 using base::StringPiece;
 using std::string;
 
 namespace net {
 
 // static
 void CryptoUtils::GenerateNonce(QuicWallTime now,
                                 QuicRandom* random_generator,
                                 StringPiece orbit,
@@ skipping 258 matching lines @@
   // Return a default value so that we return this when |reason| doesn't match
   // any HandshakeFailureReason.. This can happen when the message by the peer
   // (attacker) has invalid reason.
   return "INVALID_HANDSHAKE_FAILURE_REASON";
 }
 
 // static
 void CryptoUtils::HashHandshakeMessage(const CryptoHandshakeMessage& message,
                                        string* output) {
   const QuicData& serialized = message.GetSerialized();
-  std::unique_ptr<crypto::SecureHash> hash(
-      crypto::SecureHash::Create(crypto::SecureHash::SHA256));
-  hash->Update(serialized.data(), serialized.length());
-  uint8_t digest[32];
-  hash->Finish(digest, sizeof(digest));
-  output->assign(reinterpret_cast<const char*>(&digest), sizeof(digest));
+  uint8_t digest[SHA256_DIGEST_LENGTH];
+  SHA256(reinterpret_cast<const uint8_t*>(serialized.data()),
+         serialized.length(), digest);
+  output->assign(reinterpret_cast<const char*>(digest), sizeof(digest));
 }
 
 }  // namespace net