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_CHACHA_BASE_ENCRYPTER_H_ 6 #define QUICHE_QUIC_CORE_CRYPTO_CHACHA_BASE_ENCRYPTER_H_ 7 8 #include <cstddef> 9 10 #include "absl/strings/string_view.h" 11 #include "quiche/quic/core/crypto/aead_base_encrypter.h" 12 #include "quiche/quic/platform/api/quic_export.h" 13 14 namespace quic { 15 16 class QUICHE_EXPORT ChaChaBaseEncrypter : public AeadBaseEncrypter { 17 public: 18 using AeadBaseEncrypter::AeadBaseEncrypter; 19 20 bool SetHeaderProtectionKey(absl::string_view key) override; 21 std::string GenerateHeaderProtectionMask(absl::string_view sample) override; 22 23 private: 24 // The key used for packet number encryption. 25 unsigned char pne_key_[kMaxKeySize]; 26 }; 27 28 } // namespace quic 29 30 #endif // QUICHE_QUIC_CORE_CRYPTO_CHACHA_BASE_ENCRYPTER_H_ 31