1 // Copyright (c) 2012 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 NET_QUIC_CRYPTO_NULL_DECRYPTER_H_ 6 #define NET_QUIC_CRYPTO_NULL_DECRYPTER_H_ 7 8 #include "base/compiler_specific.h" 9 #include "net/base/net_export.h" 10 #include "net/quic/crypto/quic_decrypter.h" 11 12 namespace net { 13 14 // A NullDecrypter is a QuicDecrypter used before a crypto negotiation 15 // has occurred. It does not actually decrypt the payload, but does 16 // verify a hash (fnv128) over both the payload and associated data. 17 class NET_EXPORT_PRIVATE NullDecrypter : public QuicDecrypter { 18 public: 19 virtual ~NullDecrypter() {} 20 21 // QuicDecrypter implementation 22 virtual bool SetKey(base::StringPiece key) OVERRIDE; 23 virtual bool SetNoncePrefix(base::StringPiece nonce_prefix) OVERRIDE; 24 virtual bool Decrypt(base::StringPiece nonce, 25 base::StringPiece associated_data, 26 base::StringPiece ciphertext, 27 unsigned char* output, 28 size_t* output_length) OVERRIDE; 29 virtual QuicData* DecryptPacket(QuicPacketSequenceNumber sequence_number, 30 base::StringPiece associated_data, 31 base::StringPiece ciphertext) OVERRIDE; 32 virtual base::StringPiece GetKey() const OVERRIDE; 33 virtual base::StringPiece GetNoncePrefix() const OVERRIDE; 34 }; 35 36 } // namespace net 37 38 #endif // NET_QUIC_CRYPTO_NULL_DECRYPTER_H_ 39
