| /* |
| * Copyright 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "api/test/fake_frame_encryptor.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| |
| #include "api/array_view.h" |
| #include "api/media_types.h" |
| #include "rtc_base/checks.h" |
| |
| namespace webrtc { |
| FakeFrameEncryptor::FakeFrameEncryptor(uint8_t fake_key, uint8_t postfix_byte) |
| : fake_key_(fake_key), postfix_byte_(postfix_byte) {} |
| |
| // FrameEncryptorInterface implementation |
| int FakeFrameEncryptor::Encrypt(cricket::MediaType media_type, |
| uint32_t ssrc, |
| rtc::ArrayView<const uint8_t> additional_data, |
| rtc::ArrayView<const uint8_t> frame, |
| rtc::ArrayView<uint8_t> encrypted_frame, |
| size_t* bytes_written) { |
| if (fail_encryption_) { |
| return static_cast<int>(FakeEncryptionStatus::FORCED_FAILURE); |
| } |
| |
| RTC_CHECK_EQ(frame.size() + 1, encrypted_frame.size()); |
| for (size_t i = 0; i < frame.size(); i++) { |
| encrypted_frame[i] = frame[i] ^ fake_key_; |
| } |
| |
| encrypted_frame[frame.size()] = postfix_byte_; |
| *bytes_written = encrypted_frame.size(); |
| return static_cast<int>(FakeEncryptionStatus::OK); |
| } |
| |
| size_t FakeFrameEncryptor::GetMaxCiphertextByteSize( |
| cricket::MediaType media_type, |
| size_t frame_size) { |
| return frame_size + 1; |
| } |
| |
| void FakeFrameEncryptor::SetFakeKey(uint8_t fake_key) { |
| fake_key_ = fake_key; |
| } |
| |
| uint8_t FakeFrameEncryptor::GetFakeKey() const { |
| return fake_key_; |
| } |
| |
| void FakeFrameEncryptor::SetPostfixByte(uint8_t postfix_byte) { |
| postfix_byte_ = postfix_byte; |
| } |
| |
| uint8_t FakeFrameEncryptor::GetPostfixByte() const { |
| return postfix_byte_; |
| } |
| |
| void FakeFrameEncryptor::SetFailEncryption(bool fail_encryption) { |
| fail_encryption_ = fail_encryption; |
| } |
| |
| } // namespace webrtc |