Revert 283813 "Switch to BoringSSL."

trunk/src/net/quic/crypto/aead_base_encrypter_openssl.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/aead_base_encrypter.h"
 
 #include <openssl/err.h>
 #include <openssl/evp.h>
 #include <string.h>
 
@@ skipping 63 matching lines @@
 }
 
 bool AeadBaseEncrypter::Encrypt(StringPiece nonce,
                                 StringPiece associated_data,
                                 StringPiece plaintext,
                                 unsigned char* output) {
   if (nonce.size() != nonce_prefix_size_ + sizeof(QuicPacketSequenceNumber)) {
     return false;
   }
 
-  size_t len;
-  if (!EVP_AEAD_CTX_seal(
-          ctx_.get(),
-          output,
-          &len,
-          plaintext.size() + auth_tag_size_,
-          reinterpret_cast<const uint8_t*>(nonce.data()),
-          nonce.size(),
-          reinterpret_cast<const uint8_t*>(plaintext.data()),
-          plaintext.size(),
-          reinterpret_cast<const uint8_t*>(associated_data.data()),
-          associated_data.size())) {
+  ssize_t len = EVP_AEAD_CTX_seal(
+      ctx_.get(), output, plaintext.size() + auth_tag_size_,
+      reinterpret_cast<const uint8_t*>(nonce.data()), nonce.size(),
+      reinterpret_cast<const uint8_t*>(plaintext.data()), plaintext.size(),
+      reinterpret_cast<const uint8_t*>(associated_data.data()),
+      associated_data.size());
+
+  if (len < 0) {
     DLogOpenSslErrors();
     return false;
   }
 
   return true;
 }
 
 QuicData* AeadBaseEncrypter::EncryptPacket(
     QuicPacketSequenceNumber sequence_number,
     StringPiece associated_data,
@@ skipping 37 matching lines @@
 
 StringPiece AeadBaseEncrypter::GetNoncePrefix() const {
   if (nonce_prefix_size_ == 0) {
     return StringPiece();
   }
   return StringPiece(reinterpret_cast<const char*>(nonce_prefix_),
                      nonce_prefix_size_);
 }
 
 }  // namespace net