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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 #include <openssl/err.h> | 5 #include <openssl/err.h> |
| 6 #include <openssl/evp.h> | 6 #include <openssl/evp.h> |
| 7 #include <string.h> | 7 #include <string.h> |
| 8 | 8 |
| 9 #include <memory> | 9 #include <memory> |
| 10 | 10 |
| 11 #include "net/quic/crypto/aead_base_encrypter.h" | 11 #include "net/quic/core/crypto/aead_base_encrypter.h" |
| 12 #include "net/quic/quic_flags.h" | 12 #include "net/quic/core/quic_flags.h" |
| 13 #include "net/quic/quic_utils.h" | 13 #include "net/quic/core/quic_utils.h" |
| 14 | 14 |
| 15 using base::StringPiece; | 15 using base::StringPiece; |
| 16 | 16 |
| 17 namespace net { | 17 namespace net { |
| 18 | 18 |
| 19 namespace { | 19 namespace { |
| 20 | 20 |
| 21 // The maximum size in bytes of the nonce, including 8 bytes of sequence number. | 21 // The maximum size in bytes of the nonce, including 8 bytes of sequence number. |
| 22 // ChaCha20 uses only the 8 byte sequence number and AES-GCM uses 12 bytes. | 22 // ChaCha20 uses only the 8 byte sequence number and AES-GCM uses 12 bytes. |
| 23 const size_t kMaxNonceSize = 12; | 23 const size_t kMaxNonceSize = 12; |
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| 155 | 155 |
| 156 StringPiece AeadBaseEncrypter::GetNoncePrefix() const { | 156 StringPiece AeadBaseEncrypter::GetNoncePrefix() const { |
| 157 if (nonce_prefix_size_ == 0) { | 157 if (nonce_prefix_size_ == 0) { |
| 158 return StringPiece(); | 158 return StringPiece(); |
| 159 } | 159 } |
| 160 return StringPiece(reinterpret_cast<const char*>(nonce_prefix_), | 160 return StringPiece(reinterpret_cast<const char*>(nonce_prefix_), |
| 161 nonce_prefix_size_); | 161 nonce_prefix_size_); |
| 162 } | 162 } |
| 163 | 163 |
| 164 } // namespace net | 164 } // namespace net |
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