public void ClearTest()
{
// arrange
ByteCircularBuffer target;
int expectedSize;
int expectedHead;
int expectedTail;
expectedHead = 0;
expectedSize = 0;
expectedTail = 0;
target = new ByteCircularBuffer(10);
target.Put(1);
target.Put(2);
target.Put(3);
// act
target.Clear();
// assert
target.Head.Should().
Be(expectedHead);
target.Tail.Should().
Be(expectedTail);
target.Size.Should().
Be(expectedSize);
}
public override void Decrypt(byte[] buf, int length, byte[] outbuf, out int outlength)
{
Debug.Assert(_decCircularBuffer != null, "_circularBuffer != null");
_decCircularBuffer.Put(buf, 0, length);
if (!_decryptIVReceived)
{
if (_decCircularBuffer.Size <= ivLen)
{
// we need more data
outlength = 0;
return;
}
// start decryption
_decryptIVReceived = true;
byte[] iv = _decCircularBuffer.Get(ivLen);
initCipher(iv, false);
}
byte[] cipher = _decCircularBuffer.ToArray();
cipherUpdate(false, cipher.Length, cipher, outbuf);
_decCircularBuffer.Clear();
outlength = cipher.Length;
// done the decryption
}
