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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 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_P256_KEY_EXCHANGE_H_ | 5 #ifndef NET_QUIC_CRYPTO_P256_KEY_EXCHANGE_H_ |
| 6 #define NET_QUIC_CRYPTO_P256_KEY_EXCHANGE_H_ | 6 #define NET_QUIC_CRYPTO_P256_KEY_EXCHANGE_H_ |
| 7 | 7 |
| 8 #include <openssl/base.h> | |
| 8 #include <stdint.h> | 9 #include <stdint.h> |
| 9 | 10 |
| 10 #include <memory> | 11 #include <memory> |
| 11 #include <string> | 12 #include <string> |
| 12 | 13 |
| 13 #include "base/macros.h" | 14 #include "base/macros.h" |
| 14 #include "base/strings/string_piece.h" | 15 #include "base/strings/string_piece.h" |
| 15 #include "crypto/openssl_util.h" | 16 #include "crypto/openssl_util.h" |
| 16 #include "crypto/scoped_openssl_types.h" | |
| 17 #include "net/base/net_export.h" | 17 #include "net/base/net_export.h" |
| 18 #include "net/quic/core/crypto/key_exchange.h" | 18 #include "net/quic/core/crypto/key_exchange.h" |
| 19 | 19 |
| 20 | 20 |
| 21 namespace net { | 21 namespace net { |
| 22 | 22 |
| 23 // P256KeyExchange implements a KeyExchange using elliptic-curve | 23 // P256KeyExchange implements a KeyExchange using elliptic-curve |
| 24 // Diffie-Hellman on NIST P-256. | 24 // Diffie-Hellman on NIST P-256. |
| 25 class NET_EXPORT_PRIVATE P256KeyExchange : public KeyExchange { | 25 class NET_EXPORT_PRIVATE P256KeyExchange : public KeyExchange { |
| 26 public: | 26 public: |
| (...skipping 22 matching lines...) Expand all Loading... | |
| 49 // A P-256 point in uncompressed form consists of 0x04 (to denote | 49 // A P-256 point in uncompressed form consists of 0x04 (to denote |
| 50 // that the point is uncompressed) followed by two, 32-byte field | 50 // that the point is uncompressed) followed by two, 32-byte field |
| 51 // elements. | 51 // elements. |
| 52 kUncompressedP256PointBytes = 1 + 2 * kP256FieldBytes, | 52 kUncompressedP256PointBytes = 1 + 2 * kP256FieldBytes, |
| 53 // The first byte in an uncompressed P-256 point. | 53 // The first byte in an uncompressed P-256 point. |
| 54 kUncompressedECPointForm = 0x04, | 54 kUncompressedECPointForm = 0x04, |
| 55 }; | 55 }; |
| 56 | 56 |
| 57 // P256KeyExchange takes ownership of |private_key|, and expects | 57 // P256KeyExchange takes ownership of |private_key|, and expects |
| 58 // |public_key| consists of |kUncompressedP256PointBytes| bytes. | 58 // |public_key| consists of |kUncompressedP256PointBytes| bytes. |
| 59 P256KeyExchange(EC_KEY* private_key, const uint8_t* public_key); | 59 P256KeyExchange(EC_KEY* private_key, const uint8_t* public_key); |
|
eroman
2016/10/10 22:45:55
side-comment: based on this description sounds lik
davidben
2016/10/10 23:24:40
You're right. Fixed.
| |
| 60 | 60 |
| 61 crypto::ScopedEC_KEY private_key_; | 61 bssl::UniquePtr<EC_KEY> private_key_; |
| 62 // The public key stored as an uncompressed P-256 point. | 62 // The public key stored as an uncompressed P-256 point. |
| 63 uint8_t public_key_[kUncompressedP256PointBytes]; | 63 uint8_t public_key_[kUncompressedP256PointBytes]; |
| 64 | 64 |
| 65 DISALLOW_COPY_AND_ASSIGN(P256KeyExchange); | 65 DISALLOW_COPY_AND_ASSIGN(P256KeyExchange); |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 } // namespace net | 68 } // namespace net |
| 69 #endif // NET_QUIC_CRYPTO_P256_KEY_EXCHANGE_H_ | 69 #endif // NET_QUIC_CRYPTO_P256_KEY_EXCHANGE_H_ |
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