| OLD | NEW |
| (Empty) |
| 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 <stddef.h> | |
| 9 #include <stdint.h> | |
| 10 | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "net/base/net_export.h" | |
| 14 #include "net/quic/crypto/quic_decrypter.h" | |
| 15 | |
| 16 namespace net { | |
| 17 | |
| 18 class QuicDataReader; | |
| 19 | |
| 20 // A NullDecrypter is a QuicDecrypter used before a crypto negotiation | |
| 21 // has occurred. It does not actually decrypt the payload, but does | |
| 22 // verify a hash (fnv128) over both the payload and associated data. | |
| 23 class NET_EXPORT_PRIVATE NullDecrypter : public QuicDecrypter { | |
| 24 public: | |
| 25 NullDecrypter(); | |
| 26 ~NullDecrypter() override {} | |
| 27 | |
| 28 // QuicDecrypter implementation | |
| 29 bool SetKey(base::StringPiece key) override; | |
| 30 bool SetNoncePrefix(base::StringPiece nonce_prefix) override; | |
| 31 bool SetPreliminaryKey(base::StringPiece key) override; | |
| 32 bool SetDiversificationNonce(DiversificationNonce nonce) override; | |
| 33 bool DecryptPacket(QuicPathId path_id, | |
| 34 QuicPacketNumber packet_number, | |
| 35 base::StringPiece associated_data, | |
| 36 base::StringPiece ciphertext, | |
| 37 char* output, | |
| 38 size_t* output_length, | |
| 39 size_t max_output_length) override; | |
| 40 base::StringPiece GetKey() const override; | |
| 41 base::StringPiece GetNoncePrefix() const override; | |
| 42 | |
| 43 const char* cipher_name() const override; | |
| 44 uint32_t cipher_id() const override; | |
| 45 | |
| 46 private: | |
| 47 bool ReadHash(QuicDataReader* reader, uint128* hash); | |
| 48 uint128 ComputeHash(base::StringPiece data1, base::StringPiece data2) const; | |
| 49 | |
| 50 DISALLOW_COPY_AND_ASSIGN(NullDecrypter); | |
| 51 }; | |
| 52 | |
| 53 } // namespace net | |
| 54 | |
| 55 #endif // NET_QUIC_CRYPTO_NULL_DECRYPTER_H_ | |
| OLD | NEW |