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