| // Copyright (c) 2017 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 "quiche/quic/core/crypto/aes_256_gcm_decrypter.h" |
| |
| #include "openssl/aead.h" |
| #include "openssl/tls1.h" |
| #include "quiche/quic/platform/api/quic_flag_utils.h" |
| #include "quiche/quic/platform/api/quic_flags.h" |
| |
| namespace quic { |
| |
| namespace { |
| |
| const size_t kKeySize = 32; |
| const size_t kNonceSize = 12; |
| |
| } // namespace |
| |
| Aes256GcmDecrypter::Aes256GcmDecrypter() |
| : AesBaseDecrypter(EVP_aead_aes_256_gcm, kKeySize, kAuthTagSize, kNonceSize, |
| /* use_ietf_nonce_construction */ true) { |
| static_assert(kKeySize <= kMaxKeySize, "key size too big"); |
| static_assert(kNonceSize <= kMaxNonceSize, "nonce size too big"); |
| } |
| |
| Aes256GcmDecrypter::~Aes256GcmDecrypter() {} |
| |
| uint32_t Aes256GcmDecrypter::cipher_id() const { |
| return TLS1_CK_AES_256_GCM_SHA384; |
| } |
| |
| } // namespace quic |