Removing NSS files and USE_OPENSSL flag

net/quic/crypto/aes_128_gcm_12_decrypter_nss.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/aes_128_gcm_12_decrypter.h"
-
-#include <pk11pub.h>
-#include <secerr.h>
-
-using base::StringPiece;
-
-namespace net {
-
-namespace {
-
-const size_t kKeySize = 16;
-const size_t kNoncePrefixSize = 4;
-
-}  // namespace
-
-Aes128Gcm12Decrypter::Aes128Gcm12Decrypter()
-    : AeadBaseDecrypter(CKM_AES_GCM, kKeySize, kAuthTagSize, kNoncePrefixSize) {
-  static_assert(kKeySize <= kMaxKeySize, "key size too big");
-  static_assert(kNoncePrefixSize <= kMaxNoncePrefixSize,
-                "nonce prefix size too big");
-}
-
-Aes128Gcm12Decrypter::~Aes128Gcm12Decrypter() {}
-
-void Aes128Gcm12Decrypter::FillAeadParams(StringPiece nonce,
-                                          StringPiece associated_data,
-                                          size_t auth_tag_size,
-                                          AeadParams* aead_params) const {
-  aead_params->len = sizeof(aead_params->data.gcm_params);
-  CK_GCM_PARAMS* gcm_params = &aead_params->data.gcm_params;
-  gcm_params->pIv = reinterpret_cast<CK_BYTE*>(const_cast<char*>(nonce.data()));
-  gcm_params->ulIvLen = nonce.size();
-  gcm_params->pAAD =
-      reinterpret_cast<CK_BYTE*>(const_cast<char*>(associated_data.data()));
-  gcm_params->ulAADLen = associated_data.size();
-  gcm_params->ulTagBits = auth_tag_size * 8;
-}
-
-const char* Aes128Gcm12Decrypter::cipher_name() const {
-  // TODO(rtenneti): Use TLS1_TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256 instead
-  // of hard coded string.
-  // return TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256;
-  return "ECDHE-RSA-AES128-GCM-SHA256";
-}
-
-uint32_t Aes128Gcm12Decrypter::cipher_id() const {
-  // TODO(rtenneti): when Chromium requires NSS 3.15.2 or later, use
-  // TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 instead of 0xC02F.
-  // Or'ed with 0x03000000 to match OpenSSL/BoringSSL implementations.
-  return 0x03000000 | 0xC02F;
-}
-
-}  // namespace net