1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_ 6 #define QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_ 7 8 #include "quiche/quic/core/crypto/aes_base_encrypter.h" 9 #include "quiche/quic/platform/api/quic_export.h" 10 11 namespace quic { 12 13 // An Aes128Gcm12Encrypter is a QuicEncrypter that implements the 14 // AEAD_AES_128_GCM_12 algorithm specified in RFC 5282. Create an instance by 15 // calling QuicEncrypter::Create(kAESG). 16 // 17 // It uses an authentication tag of 12 bytes (96 bits). The fixed prefix 18 // of the nonce is four bytes. 19 class QUICHE_EXPORT Aes128Gcm12Encrypter : public AesBaseEncrypter { 20 public: 21 enum { 22 // Authentication tags are truncated to 96 bits. 23 kAuthTagSize = 12, 24 }; 25 26 Aes128Gcm12Encrypter(); 27 Aes128Gcm12Encrypter(const Aes128Gcm12Encrypter&) = delete; 28 Aes128Gcm12Encrypter& operator=(const Aes128Gcm12Encrypter&) = delete; 29 ~Aes128Gcm12Encrypter() override; 30 }; 31 32 } // namespace quic 33 34 #endif // QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_ 35