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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_rfc7539_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 = 4; | 14 const size_t kNoncePrefixSize = 4; |
15 | 15 |
16 } // namespace | 16 } // namespace |
17 | 17 |
18 ChaCha20Poly1305Rfc7539Encrypter::ChaCha20Poly1305Rfc7539Encrypter() | 18 ChaCha20Poly1305Encrypter::ChaCha20Poly1305Encrypter() |
19 : AeadBaseEncrypter(EVP_aead_chacha20_poly1305(), | 19 : AeadBaseEncrypter(EVP_aead_chacha20_poly1305(), |
20 kKeySize, | 20 kKeySize, |
21 kAuthTagSize, | 21 kAuthTagSize, |
22 kNoncePrefixSize) { | 22 kNoncePrefixSize) { |
23 static_assert(kKeySize <= kMaxKeySize, "key size too big"); | 23 static_assert(kKeySize <= kMaxKeySize, "key size too big"); |
24 static_assert(kNoncePrefixSize <= kMaxNoncePrefixSize, | 24 static_assert(kNoncePrefixSize <= kMaxNoncePrefixSize, |
25 "nonce prefix size too big"); | 25 "nonce prefix size too big"); |
26 } | 26 } |
27 | 27 |
28 ChaCha20Poly1305Rfc7539Encrypter::~ChaCha20Poly1305Rfc7539Encrypter() {} | 28 ChaCha20Poly1305Encrypter::~ChaCha20Poly1305Encrypter() {} |
29 | |
30 bool ChaCha20Poly1305Rfc7539Encrypter::IsSupported() { | |
31 return true; | |
32 } | |
33 | 29 |
34 } // namespace net | 30 } // namespace net |
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