| // 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. |
| |
| #ifndef QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_DECRYPTER_H_ |
| #define QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_DECRYPTER_H_ |
| |
| #include <cstdint> |
| |
| #include "quiche/quic/core/crypto/aes_base_decrypter.h" |
| #include "quiche/quic/platform/api/quic_export.h" |
| |
| namespace quic { |
| |
| // An Aes128Gcm12Decrypter is a QuicDecrypter that implements the |
| // AEAD_AES_128_GCM_12 algorithm specified in RFC 5282. Create an instance by |
| // calling QuicDecrypter::Create(kAESG). |
| // |
| // It uses an authentication tag of 12 bytes (96 bits). The fixed prefix |
| // of the nonce is four bytes. |
| class QUIC_EXPORT_PRIVATE Aes128Gcm12Decrypter : public AesBaseDecrypter { |
| public: |
| enum { |
| // Authentication tags are truncated to 96 bits. |
| kAuthTagSize = 12, |
| }; |
| |
| Aes128Gcm12Decrypter(); |
| Aes128Gcm12Decrypter(const Aes128Gcm12Decrypter&) = delete; |
| Aes128Gcm12Decrypter& operator=(const Aes128Gcm12Decrypter&) = delete; |
| ~Aes128Gcm12Decrypter() override; |
| |
| uint32_t cipher_id() const override; |
| }; |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_DECRYPTER_H_ |