/* * 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.
*/
// The FakeFrameEncryptor is a TEST ONLY fake implementation of the // FrameEncryptorInterface. It is constructed with a simple single digit key and // a fixed postfix byte. This is just to validate that the core code works // as expected. class FakeFrameEncryptor
: public rtc::RefCountedObject<FrameEncryptorInterface> { public: // Provide a key (0,255) and some postfix byte (0,255). explicit FakeFrameEncryptor(uint8_t fake_key = 0xAA,
uint8_t postfix_byte = 255); // Simply xors each payload with the provided fake key and adds the postfix // bit to the end. This will always fail if fail_encryption_ is set to true. int 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) override; // Always returns 1 more than the size of the frame.
size_t GetMaxCiphertextByteSize(cricket::MediaType media_type,
size_t frame_size) override; // Sets the fake key to use during encryption. void SetFakeKey(uint8_t fake_key); // Returns the fake key used during encryption.
uint8_t GetFakeKey() const; // Set the postfix byte to use. void SetPostfixByte(uint8_t expected_postfix_byte); // Return a postfix byte added to each outgoing payload.
uint8_t GetPostfixByte() const; // Force all encryptions to fail. void SetFailEncryption(bool fail_encryption);
enumclass FakeEncryptionStatus : int {
OK = 0,
FORCED_FAILURE = 1,
};
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