/// <summary>
/// Sends the specified payload over TCP.
/// </summary>
/// <param name="payloadWriter">The action which writes the payload to a buffer.</param>
public void SendTcp(Action <BitBuffer> payloadWriter)
{
lock (this) {
if (CurrentState == State.Disconnected)
{
return;
}
byte[] encrypted;
using (_sendBuffer) {
_sendBuffer.Write(_sendSequenceId);
if (++_sendSequenceId == _sequenceIdBound)
{
_sendSequenceId = 0;
}
payloadWriter(_sendBuffer);
encrypted = _crypto.Encrypt(_sendBuffer.Array, 0, _sendBuffer.Size);
}
using (_sendBuffer) {
_sendBuffer.Write((ushort)encrypted.Length);
_sendBuffer.Write(encrypted);
_tcp.Send(_sendBuffer.Array, 0, _sendBuffer.Size);
}
}
}
public void TestFixedKeyCrypto()
{
Random random = new Random();
byte[] key = new byte[KeyLength];
for (int length = 0; length < MaxDataLength; length++)
{
random.NextBytes(key);
FixedKeyCrypto crypto = new FixedKeyCrypto(key);
byte[] original = new byte[length];
for (int i = 0; i < DataPerKeyCount; i++)
{
random.NextBytes(original);
byte[] encrypted = crypto.Encrypt(original, 0, original.Length);
byte[] decrypted = crypto.Decrypt(encrypted, 0, encrypted.Length);
CollectionAssert.AreEqual(original, decrypted);
}
}
}