Org.BouncyCastle.Crypto.BufferedBlockCipher.ProcessBytes C# (CSharp) Method

		public override byte[] ProcessBytes(
			byte[]	input,
			int		inOff,
			int		length)
		{
			if (input == null)
				throw new ArgumentNullException("input");
			if (length < 1)
				return null;

			int outLength = GetUpdateOutputSize(length);

			byte[] outBytes = outLength > 0 ? new byte[outLength] : null;

			int pos = ProcessBytes(input, inOff, length, outBytes, 0);

			if (outLength > 0 && pos < outLength)
			{
				byte[] tmp = new byte[pos];
				Array.Copy(outBytes, 0, tmp, 0, pos);
				outBytes = tmp;
			}

			return outBytes;
		}

		public override void PerformTest()
		{
			BufferedBlockCipher cipher = new BufferedBlockCipher(engine);

			cipher.Init(true, param);

			byte[]  outBytes = new byte[input.Length];

			int len1 = cipher.ProcessBytes(input, 0, input.Length, outBytes, 0);

				cipher.DoFinal(outBytes, len1);

			if (!AreEqual(outBytes, output))
			{
				Fail("failed - " + "expected " + Hex.ToHexString(output) + " got " + Hex.ToHexString(outBytes));
			}

			cipher.Init(false, param);

			int len2 = cipher.ProcessBytes(output, 0, output.Length, outBytes, 0);

			cipher.DoFinal(outBytes, len2);

			if (!AreEqual(input, outBytes))
			{
				Fail("failed reversal got " + Hex.ToHexString(outBytes));
			}
		}