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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 "net/quic/crypto/aes_128_gcm_12_decrypter.h" | 5 #include "net/quic/crypto/aes_128_gcm_12_decrypter.h" |
6 | 6 |
7 #include "net/quic/quic_flags.h" | 7 #include "net/quic/quic_flags.h" |
8 #include "net/quic/test_tools/quic_test_utils.h" | 8 #include "net/quic/test_tools/quic_test_utils.h" |
9 | 9 |
10 using base::StringPiece; | 10 using base::StringPiece; |
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199 QuicData* DecryptWithNonce(Aes128Gcm12Decrypter* decrypter, | 199 QuicData* DecryptWithNonce(Aes128Gcm12Decrypter* decrypter, |
200 StringPiece nonce, | 200 StringPiece nonce, |
201 StringPiece associated_data, | 201 StringPiece associated_data, |
202 StringPiece ciphertext) { | 202 StringPiece ciphertext) { |
203 QuicPathId path_id = kDefaultPathId; | 203 QuicPathId path_id = kDefaultPathId; |
204 QuicPacketNumber packet_number; | 204 QuicPacketNumber packet_number; |
205 StringPiece nonce_prefix(nonce.data(), nonce.size() - sizeof(packet_number)); | 205 StringPiece nonce_prefix(nonce.data(), nonce.size() - sizeof(packet_number)); |
206 decrypter->SetNoncePrefix(nonce_prefix); | 206 decrypter->SetNoncePrefix(nonce_prefix); |
207 memcpy(&packet_number, nonce.data() + nonce_prefix.size(), | 207 memcpy(&packet_number, nonce.data() + nonce_prefix.size(), |
208 sizeof(packet_number)); | 208 sizeof(packet_number)); |
209 if (FLAGS_quic_include_path_id_in_iv) { | 209 path_id = static_cast<QuicPathId>( |
210 path_id = static_cast<QuicPathId>( | 210 packet_number >> 8 * (sizeof(packet_number) - sizeof(path_id))); |
211 packet_number >> 8 * (sizeof(packet_number) - sizeof(path_id))); | 211 packet_number &= UINT64_C(0x00FFFFFFFFFFFFFF); |
212 packet_number &= UINT64_C(0x00FFFFFFFFFFFFFF); | |
213 } | |
214 scoped_ptr<char[]> output(new char[ciphertext.length()]); | 212 scoped_ptr<char[]> output(new char[ciphertext.length()]); |
215 size_t output_length = 0; | 213 size_t output_length = 0; |
216 const bool success = decrypter->DecryptPacket( | 214 const bool success = decrypter->DecryptPacket( |
217 path_id, packet_number, associated_data, ciphertext, output.get(), | 215 path_id, packet_number, associated_data, ciphertext, output.get(), |
218 &output_length, ciphertext.length()); | 216 &output_length, ciphertext.length()); |
219 if (!success) { | 217 if (!success) { |
220 return nullptr; | 218 return nullptr; |
221 } | 219 } |
222 return new QuicData(output.release(), output_length, true); | 220 return new QuicData(output.release(), output_length, true); |
223 } | 221 } |
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282 | 280 |
283 ASSERT_EQ(pt.length(), decrypted->length()); | 281 ASSERT_EQ(pt.length(), decrypted->length()); |
284 test::CompareCharArraysWithHexError("plaintext", decrypted->data(), | 282 test::CompareCharArraysWithHexError("plaintext", decrypted->data(), |
285 pt.length(), pt.data(), pt.length()); | 283 pt.length(), pt.data(), pt.length()); |
286 } | 284 } |
287 } | 285 } |
288 } | 286 } |
289 | 287 |
290 } // namespace test | 288 } // namespace test |
291 } // namespace net | 289 } // namespace net |
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