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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 #include "net/quic/crypto/chacha20_poly1305_encrypter.h" | 5 #include "net/quic/crypto/chacha20_poly1305_encrypter.h" |
| 6 | 6 |
| 7 #include <openssl/evp.h> | 7 #include <openssl/evp.h> |
| 8 | 8 |
| 9 namespace net { | 9 namespace net { |
| 10 | 10 |
| 11 namespace { | 11 namespace { |
| 12 | 12 |
| 13 const size_t kKeySize = 32; | 13 const size_t kKeySize = 32; |
| 14 const size_t kNoncePrefixSize = 0; | 14 const size_t kNoncePrefixSize = 0; |
| 15 | 15 |
| 16 } // namespace | 16 } // namespace |
| 17 | 17 |
| 18 ChaCha20Poly1305Encrypter::ChaCha20Poly1305Encrypter() | 18 ChaCha20Poly1305Encrypter::ChaCha20Poly1305Encrypter() |
| 19 : AeadBaseEncrypter(EVP_aead_chacha20_poly1305(), kKeySize, kAuthTagSize, | 19 : AeadBaseEncrypter(EVP_aead_chacha20_poly1305(), |
| 20 kKeySize, |
| 21 kAuthTagSize, |
| 20 kNoncePrefixSize) { | 22 kNoncePrefixSize) { |
| 21 COMPILE_ASSERT(kKeySize <= kMaxKeySize, key_size_too_big); | 23 COMPILE_ASSERT(kKeySize <= kMaxKeySize, key_size_too_big); |
| 22 COMPILE_ASSERT(kNoncePrefixSize <= kMaxNoncePrefixSize, | 24 COMPILE_ASSERT(kNoncePrefixSize <= kMaxNoncePrefixSize, |
| 23 nonce_prefix_size_too_big); | 25 nonce_prefix_size_too_big); |
| 24 } | 26 } |
| 25 | 27 |
| 26 ChaCha20Poly1305Encrypter::~ChaCha20Poly1305Encrypter() {} | 28 ChaCha20Poly1305Encrypter::~ChaCha20Poly1305Encrypter() { |
| 29 } |
| 27 | 30 |
| 28 // static | 31 // static |
| 29 bool ChaCha20Poly1305Encrypter::IsSupported() { return true; } | 32 bool ChaCha20Poly1305Encrypter::IsSupported() { |
| 33 return true; |
| 34 } |
| 30 | 35 |
| 31 } // namespace net | 36 } // namespace net |
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