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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_ | 5 #ifndef NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_ |
6 #define NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_ | 6 #define NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "net/base/net_export.h" | 9 #include "net/base/net_export.h" |
10 #include "net/quic/crypto/quic_encrypter.h" | 10 #include "net/quic/crypto/quic_encrypter.h" |
11 | 11 |
12 namespace net { | 12 namespace net { |
13 | 13 |
14 // A NullEncrypter is a QuicEncrypter used before a crypto negotiation | 14 // A NullEncrypter is a QuicEncrypter used before a crypto negotiation |
15 // has occurred. It does not actually encrypt the payload, but does | 15 // has occurred. It does not actually encrypt the payload, but does |
16 // generate a MAC (fnv128) over both the payload and associated data. | 16 // generate a MAC (fnv128) over both the payload and associated data. |
17 class NET_EXPORT_PRIVATE NullEncrypter : public QuicEncrypter { | 17 class NET_EXPORT_PRIVATE NullEncrypter : public QuicEncrypter { |
18 public: | 18 public: |
19 NullEncrypter(); | 19 NullEncrypter(); |
20 virtual ~NullEncrypter() {} | 20 virtual ~NullEncrypter() {} |
21 | 21 |
22 // QuicEncrypter implementation | 22 // QuicEncrypter implementation |
23 virtual bool SetKey(base::StringPiece key) OVERRIDE; | 23 virtual bool SetKey(base::StringPiece key) override; |
24 virtual bool SetNoncePrefix(base::StringPiece nonce_prefix) OVERRIDE; | 24 virtual bool SetNoncePrefix(base::StringPiece nonce_prefix) override; |
25 virtual bool Encrypt(base::StringPiece nonce, | 25 virtual bool Encrypt(base::StringPiece nonce, |
26 base::StringPiece associated_data, | 26 base::StringPiece associated_data, |
27 base::StringPiece plaintext, | 27 base::StringPiece plaintext, |
28 unsigned char* output) OVERRIDE; | 28 unsigned char* output) override; |
29 virtual QuicData* EncryptPacket(QuicPacketSequenceNumber sequence_number, | 29 virtual QuicData* EncryptPacket(QuicPacketSequenceNumber sequence_number, |
30 base::StringPiece associated_data, | 30 base::StringPiece associated_data, |
31 base::StringPiece plaintext) OVERRIDE; | 31 base::StringPiece plaintext) override; |
32 virtual size_t GetKeySize() const OVERRIDE; | 32 virtual size_t GetKeySize() const override; |
33 virtual size_t GetNoncePrefixSize() const OVERRIDE; | 33 virtual size_t GetNoncePrefixSize() const override; |
34 virtual size_t GetMaxPlaintextSize(size_t ciphertext_size) const OVERRIDE; | 34 virtual size_t GetMaxPlaintextSize(size_t ciphertext_size) const override; |
35 virtual size_t GetCiphertextSize(size_t plaintext_size) const OVERRIDE; | 35 virtual size_t GetCiphertextSize(size_t plaintext_size) const override; |
36 virtual base::StringPiece GetKey() const OVERRIDE; | 36 virtual base::StringPiece GetKey() const override; |
37 virtual base::StringPiece GetNoncePrefix() const OVERRIDE; | 37 virtual base::StringPiece GetNoncePrefix() const override; |
38 | 38 |
39 private: | 39 private: |
40 size_t GetHashLength() const; | 40 size_t GetHashLength() const; |
41 | 41 |
42 DISALLOW_COPY_AND_ASSIGN(NullEncrypter); | 42 DISALLOW_COPY_AND_ASSIGN(NullEncrypter); |
43 }; | 43 }; |
44 | 44 |
45 } // namespace net | 45 } // namespace net |
46 | 46 |
47 #endif // NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_ | 47 #endif // NET_QUIC_CRYPTO_NULL_ENCRYPTER_H_ |
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