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Side by Side Diff: net/quic/core/crypto/chacha20_poly1305_decrypter.h

Issue 2561893002: Add QUIC_EXPORT macros (Closed)
Patch Set: More Created 4 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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_CORE_CRYPTO_CHACHA20_POLY1305_DECRYPTER_H_ 5 #ifndef NET_QUIC_CORE_CRYPTO_CHACHA20_POLY1305_DECRYPTER_H_
6 #define NET_QUIC_CORE_CRYPTO_CHACHA20_POLY1305_DECRYPTER_H_ 6 #define NET_QUIC_CORE_CRYPTO_CHACHA20_POLY1305_DECRYPTER_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "net/base/net_export.h"
13 #include "net/quic/core/crypto/aead_base_decrypter.h" 12 #include "net/quic/core/crypto/aead_base_decrypter.h"
13 #include "net/quic/platform/api/quic_export.h"
14 14
15 namespace net { 15 namespace net {
16 16
17 // A ChaCha20Poly1305Decrypter is a QuicDecrypter that implements the 17 // A ChaCha20Poly1305Decrypter is a QuicDecrypter that implements the
18 // AEAD_CHACHA20_POLY1305 algorithm specified in 18 // AEAD_CHACHA20_POLY1305 algorithm specified in
19 // draft-agl-tls-chacha20poly1305-04, except that it truncates the Poly1305 19 // draft-agl-tls-chacha20poly1305-04, except that it truncates the Poly1305
20 // authenticator to 12 bytes. Create an instance by calling 20 // authenticator to 12 bytes. Create an instance by calling
21 // QuicDecrypter::Create(kCC12). 21 // QuicDecrypter::Create(kCC12).
22 // 22 //
23 // It uses an authentication tag of 16 bytes (128 bits). There is no 23 // It uses an authentication tag of 16 bytes (128 bits). There is no
24 // fixed nonce prefix. 24 // fixed nonce prefix.
25 class NET_EXPORT_PRIVATE ChaCha20Poly1305Decrypter : public AeadBaseDecrypter { 25 class QUIC_EXPORT_PRIVATE ChaCha20Poly1305Decrypter : public AeadBaseDecrypter {
26 public: 26 public:
27 enum { 27 enum {
28 kAuthTagSize = 12, 28 kAuthTagSize = 12,
29 }; 29 };
30 30
31 ChaCha20Poly1305Decrypter(); 31 ChaCha20Poly1305Decrypter();
32 ~ChaCha20Poly1305Decrypter() override; 32 ~ChaCha20Poly1305Decrypter() override;
33 33
34 const char* cipher_name() const override; 34 const char* cipher_name() const override;
35 uint32_t cipher_id() const override; 35 uint32_t cipher_id() const override;
36 36
37 private: 37 private:
38 DISALLOW_COPY_AND_ASSIGN(ChaCha20Poly1305Decrypter); 38 DISALLOW_COPY_AND_ASSIGN(ChaCha20Poly1305Decrypter);
39 }; 39 };
40 40
41 } // namespace net 41 } // namespace net
42 42
43 #endif // NET_QUIC_CORE_CRYPTO_CHACHA20_POLY1305_DECRYPTER_H_ 43 #endif // NET_QUIC_CORE_CRYPTO_CHACHA20_POLY1305_DECRYPTER_H_
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