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

		public override byte[] DoFinal()
		{
			byte[] outBytes = EmptyBuffer;

			int length = GetOutputSize(0);
			if (length > 0)
			{
				outBytes = new byte[length];

				int pos = DoFinal(outBytes, 0);
				if (pos < outBytes.Length)
				{
					byte[] tmp = new byte[pos];
					Array.Copy(outBytes, 0, tmp, 0, pos);
					outBytes = tmp;
				}
			}
			else
			{
				Reset();
			}

			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));
			}
		}