| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "net/quic/mock_decrypter.h" |
| |
| #include "net/third_party/quiche/src/quic/core/quic_utils.h" |
| #include "net/third_party/quiche/src/quic/platform/api/quic_bug_tracker.h" |
| |
| using quic::DiversificationNonce; |
| using quic::Perspective; |
| using quic::QuicPacketNumber; |
| using quic::QuicStringPiece; |
| |
| namespace net { |
| |
| namespace { |
| |
| const size_t kPaddingSize = 12; |
| |
| } // namespace |
| |
| MockDecrypter::MockDecrypter(Perspective perspective) {} |
| |
| bool MockDecrypter::SetKey(QuicStringPiece key) { |
| return key.empty(); |
| } |
| |
| bool MockDecrypter::SetHeaderProtectionKey(QuicStringPiece key) { |
| return key.empty(); |
| } |
| |
| std::string MockDecrypter::GenerateHeaderProtectionMask( |
| quic::QuicDataReader* sample_reader) { |
| return std::string(5, 0); |
| } |
| |
| bool MockDecrypter::SetNoncePrefix(QuicStringPiece nonce_prefix) { |
| return nonce_prefix.empty(); |
| } |
| |
| bool MockDecrypter::SetIV(QuicStringPiece iv) { |
| return iv.empty(); |
| } |
| |
| bool MockDecrypter::SetPreliminaryKey(QuicStringPiece key) { |
| QUIC_BUG << "Should not be called"; |
| return false; |
| } |
| |
| bool MockDecrypter::SetDiversificationNonce(const DiversificationNonce& nonce) { |
| QUIC_BUG << "Should not be called"; |
| return true; |
| } |
| |
| bool MockDecrypter::DecryptPacket(uint64_t /*packet_number*/, |
| QuicStringPiece associated_data, |
| QuicStringPiece ciphertext, |
| char* output, |
| size_t* output_length, |
| size_t max_output_length) { |
| if (ciphertext.length() < kPaddingSize) { |
| return false; |
| } |
| size_t plaintext_size = ciphertext.length() - kPaddingSize; |
| if (plaintext_size > max_output_length) { |
| return false; |
| } |
| |
| memcpy(output, ciphertext.data(), plaintext_size); |
| *output_length = plaintext_size; |
| return true; |
| } |
| |
| size_t MockDecrypter::GetKeySize() const { |
| return 0; |
| } |
| |
| size_t MockDecrypter::GetIVSize() const { |
| return 0; |
| } |
| |
| QuicStringPiece MockDecrypter::GetKey() const { |
| return QuicStringPiece(); |
| } |
| |
| QuicStringPiece MockDecrypter::GetNoncePrefix() const { |
| return QuicStringPiece(); |
| } |
| |
| uint32_t MockDecrypter::cipher_id() const { |
| return 0; |
| } |
| |
| } // namespace net |