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| 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 NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_ | |
| 6 #define NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/strings/string_piece.h" | |
| 11 #include "net/base/net_export.h" | |
| 12 #include "net/quic/quic_time.h" | |
| 13 | |
| 14 namespace net { | |
| 15 | |
| 16 class KeyExchange; | |
| 17 class QuicRandom; | |
| 18 | |
| 19 // EphemeralKeySource manages and rotates ephemeral keys as they can be reused | |
| 20 // for several connections in a short space of time. Since the implementation | |
| 21 // of this may involve locking or thread-local data, this interface abstracts | |
| 22 // that away. | |
| 23 class NET_EXPORT_PRIVATE EphemeralKeySource { | |
| 24 public: | |
| 25 virtual ~EphemeralKeySource() {} | |
| 26 | |
| 27 // CalculateForwardSecureKey generates an ephemeral public/private key pair | |
| 28 // using the algorithm |key_exchange|, sets |*public_value| to the public key | |
| 29 // and returns the shared key between |peer_public_value| and the private | |
| 30 // key. |*public_value| will be sent to the peer to be used with the peer's | |
| 31 // private key. | |
| 32 virtual std::string CalculateForwardSecureKey( | |
| 33 const KeyExchange* key_exchange, | |
| 34 QuicRandom* rand, | |
| 35 QuicTime now, | |
| 36 base::StringPiece peer_public_value, | |
| 37 std::string* public_value) = 0; | |
| 38 }; | |
| 39 | |
| 40 } // namespace net | |
| 41 | |
| 42 #endif // NET_QUIC_CRYPTO_EPHEMERAL_KEY_SOURCE_H_ | |
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