Roll src/third_party/boringssl/src d7421ebf6..3ac32b1ed

net/quic/crypto/curve25519_key_exchange.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/crypto/curve25519_key_exchange.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "crypto/curve25519.h"
 #include "net/quic/crypto/quic_random.h"
@@ skipping 49 matching lines @@
 }
 
 bool Curve25519KeyExchange::CalculateSharedKey(
     const StringPiece& peer_public_value,
     string* out_result) const {
   if (peer_public_value.size() != crypto::curve25519::kBytes) {
     return false;
   }
 
   uint8 result[crypto::curve25519::kBytes];
-  crypto::curve25519::ScalarMult(
-      private_key_,
-      reinterpret_cast<const uint8*>(peer_public_value.data()),
-      result);
+  if (!crypto::curve25519::ScalarMult(
+          private_key_,
+          reinterpret_cast<const uint8*>(peer_public_value.data()), result)) {
+    return false;
+  }
   out_result->assign(reinterpret_cast<char*>(result), sizeof(result));
 
   return true;
 }
 
 StringPiece Curve25519KeyExchange::public_value() const {
   return StringPiece(reinterpret_cast<const char*>(public_key_),
                      sizeof(public_key_));
 }
 
 QuicTag Curve25519KeyExchange::tag() const { return kC255; }
 
 }  // namespace net