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// 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.
#ifndef QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_
#define QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_
#include "quic/core/crypto/aes_base_encrypter.h"
#include "quic/platform/api/quic_export.h"
namespace quic {
// An Aes128Gcm12Encrypter is a QuicEncrypter that implements the
// AEAD_AES_128_GCM_12 algorithm specified in RFC 5282. Create an instance by
// calling QuicEncrypter::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 Aes128Gcm12Encrypter : public AesBaseEncrypter {
public:
enum {
// Authentication tags are truncated to 96 bits.
kAuthTagSize = 12,
};
Aes128Gcm12Encrypter();
Aes128Gcm12Encrypter(const Aes128Gcm12Encrypter&) = delete;
Aes128Gcm12Encrypter& operator=(const Aes128Gcm12Encrypter&) = delete;
~Aes128Gcm12Encrypter() override;
};
} // namespace quic
#endif // QUICHE_QUIC_CORE_CRYPTO_AES_128_GCM_12_ENCRYPTER_H_