public override void PerformTest() { byte[] key = Hex.Decode("9661410AB797D8A9EB767C21172DF6C7"); byte[] iv = Hex.Decode("4B5C2F003E67F39557A8D26F3DA2B155"); ICipherParameters kp = new KeyParameter(key); ICipherParameters kpwiv = new ParametersWithIV(kp, iv); VmpcKsa3Engine engine = new VmpcKsa3Engine(); try { engine.Init(true, kp); Fail("Init failed to throw expected exception"); } catch (ArgumentException) { // Expected } engine.Init(true, kpwiv); checkEngine(engine); engine.Reset(); byte[] output = checkEngine(engine); engine.Init(false, kpwiv); byte[] recovered = new byte[output.Length]; engine.ProcessBytes(output, 0, output.Length, recovered, 0); if (!Arrays.AreEqual(input, recovered)) { Fail("decrypted bytes differ from original bytes"); } }
private byte[] checkEngine(VmpcKsa3Engine engine) { byte[] output = new byte[input.Length]; engine.ProcessBytes(input, 0, output.Length, output, 0); checkByte(output, 0, (byte) 0xB6); checkByte(output, 1, (byte) 0xEB); checkByte(output, 2, (byte) 0xAE); checkByte(output, 3, (byte) 0xFE); checkByte(output, 252, (byte) 0x48); checkByte(output, 253, (byte) 0x17); checkByte(output, 254, (byte) 0x24); checkByte(output, 255, (byte) 0x73); checkByte(output, 1020, (byte) 0x1D); checkByte(output, 1021, (byte) 0xAE); checkByte(output, 1022, (byte) 0xC3); checkByte(output, 1023, (byte) 0x5A); checkByte(output, 102396, (byte) 0x1D); checkByte(output, 102397, (byte) 0xA7); checkByte(output, 102398, (byte) 0xE1); checkByte(output, 102399, (byte) 0xDC); return output; }