public void TransformFinalBlock_InputCount_Negative() { byte[] input = new byte [1]; ARC4Managed rc4 = new ARC4Managed(); rc4.TransformFinalBlock(input, 0, -1); }
public void TransformFinalBlock_InputCount_Overflow() { byte[] input = new byte [1]; ARC4Managed rc4 = new ARC4Managed(); rc4.TransformFinalBlock(input, 1, Int32.MaxValue); }
public void TransformBlock_OutputBuffer_Null() { byte[] input = new byte [1]; ARC4Managed rc4 = new ARC4Managed(); rc4.TransformBlock(input, 0, 1, null, 0); }
public void TransformBlock_OutputOffset_Overflow() { byte[] input = new byte [1]; byte[] output = new byte [1]; ARC4Managed rc4 = new ARC4Managed(); rc4.TransformBlock(input, 0, 1, output, Int32.MaxValue); }
public void TransformBlock_OutputOffset_Negative() { byte[] input = new byte [1]; byte[] output = new byte [1]; ARC4Managed rc4 = new ARC4Managed(); rc4.TransformBlock(input, 0, 1, output, -1); }
public void DefaultProperties() { ARC4Managed rc4 = new ARC4Managed(); Assert.IsFalse(rc4.CanReuseTransform, "CanReuseTransform"); Assert.IsTrue(rc4.CanTransformMultipleBlocks, "CanTransformMultipleBlocks"); Assert.AreEqual(1, rc4.InputBlockSize, "InputBlockSize"); Assert.AreEqual(1, rc4.OutputBlockSize, "OutputBlockSize"); }
public void DefaultProperties() { ARC4Managed rc4 = new ARC4Managed(); Assert("CanReuseTransform", !rc4.CanReuseTransform); Assert("CanTransformMultipleBlocks", rc4.CanTransformMultipleBlocks); AssertEquals("InputBlockSize", 1, rc4.InputBlockSize); AssertEquals("OutputBlockSize", 1, rc4.OutputBlockSize); }
public void DefaultSizes() { ARC4Managed rc4 = new ARC4Managed(); rc4.GenerateKey(); rc4.GenerateIV(); Assert.AreEqual(16, rc4.Key.Length, "Key.Length"); Assert.AreEqual(128, rc4.KeySize, "KeySize"); Assert.AreEqual(0, rc4.IV.Length, "IV.Length"); }
public void DefaultSizes() { ARC4Managed rc4 = new ARC4Managed(); rc4.GenerateKey(); rc4.GenerateIV(); AssertEquals("Key.Length", 16, rc4.Key.Length); AssertEquals("KeySize", 128, rc4.KeySize); AssertEquals("IV.Length", 0, rc4.IV.Length); }
public void SSLClient() { byte[] data = { 0x14, 0x00, 0x00, 0x24, 0xf2, 0x40, 0x10, 0x3f, 0x74, 0x63, 0xea, 0xe8, 0x7a, 0x27, 0x23, 0x56, 0x5f, 0x59, 0x07, 0xd2, 0xa3, 0x79, 0x5d, 0xb7, 0x8b, 0x94, 0xdb, 0xcf, 0xfa, 0xf5, 0x18, 0x22, 0x15, 0x7b, 0xf2, 0x4a, 0x96, 0x52, 0x9a, 0x0e, 0xd3, 0x09, 0xde, 0x28, 0x84, 0xa7, 0x07, 0x5c, 0x7c, 0x0c, 0x08, 0x85, 0x6b, 0x4f, 0x63, 0x04 }; ARC4Managed rc4 = new ARC4Managed(); rc4.Key = clientWriteKey; // encrypt inplace (in same buffer) rc4.TransformBlock(data, 0, data.Length, data, 0); byte[] expectedData = { 0xed, 0x37, 0x7f, 0x16, 0xd3, 0x11, 0xe8, 0xa3, 0xe1, 0x2a, 0x20, 0xb7, 0x88, 0xf6, 0x11, 0xf3, 0xa6, 0x7d, 0x37, 0xf7, 0x17, 0xac, 0x67, 0x20, 0xb8, 0x0e, 0x88, 0xd1, 0xa0, 0xc6, 0x83, 0xe4, 0x80, 0xe8, 0xc7, 0xe3, 0x0b, 0x91, 0x29, 0x30, 0x29, 0xe4, 0x28, 0x47, 0xb7, 0x40, 0xa4, 0xd1, 0x3c, 0xda, 0x82, 0xb7, 0xb3, 0x9f, 0x67, 0x10 }; AssertEquals("RC4 - Client's Finished Handshake", expectedData, data); }
public void SSLServer() { byte[] encryptedData = { 0x54, 0x3c, 0xe1, 0xe7, 0x4d, 0x77, 0x76, 0x62, 0x86, 0xfa, 0x4e, 0x0a, 0x6f, 0x5f, 0x6a, 0x3d, 0x43, 0x26, 0xf4, 0xad, 0x8d, 0x3e, 0x09, 0x0b, 0x2b, 0xf7, 0x9f, 0x49, 0x44, 0x92, 0xfb, 0xa9, 0xa4, 0xb0, 0x5a, 0xd8, 0x72, 0x77, 0x6e, 0x8b, 0xb3, 0x78, 0xfb, 0xda, 0xe0, 0x25, 0xef, 0xb3, 0xf5, 0xa7, 0x90, 0x08, 0x6d, 0x60, 0xd5, 0x4e }; ARC4Managed rc4 = new ARC4Managed(); rc4.Key = serverWriteKey; // decrypt inplace (in same buffer) rc4.TransformBlock(encryptedData, 0, encryptedData.Length, encryptedData, 0); byte[] expectedData = { 0x14, 0x00, 0x00, 0x24, 0xb7, 0xcc, 0xd6, 0x05, 0x6b, 0xfc, 0xfa, 0x6d, 0xfa, 0xdd, 0x76, 0x81, 0x45, 0x36, 0xe4, 0xf4, 0x26, 0x35, 0x72, 0x2c, 0xec, 0x87, 0x62, 0x1f, 0x55, 0x08, 0x05, 0x4f, 0xc8, 0xf5, 0x7c, 0x49, 0xe2, 0xee, 0xc5, 0xba, 0xbd, 0x69, 0x27, 0x3b, 0xd0, 0x13, 0x23, 0x52, 0xed, 0xec, 0x11, 0x55, 0xd8, 0xb9, 0x90, 0x8c }; AssertEquals("RC4 - Server's Finished Handshake", expectedData, encryptedData); }
public void Vector2() { byte[] key = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; byte[] input = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; byte[] expected = { 0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a }; ARC4Managed rc4 = new ARC4Managed(); rc4.Key = key; ICryptoTransform stream = rc4.CreateEncryptor(); byte[] output = stream.TransformFinalBlock(input, 0, input.Length); AssertEquals("RC4 - Test Vector 2", expected, output); }
public void Vector1() { byte[] key = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef }; byte[] input = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; byte[] expected = { 0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79 }; ARC4Managed rc4 = new ARC4Managed(); rc4.Key = key; ICryptoTransform stream = rc4.CreateEncryptor(); byte[] output = stream.TransformFinalBlock(input, 0, input.Length); AssertEquals("RC4 - Test Vector 1", expected, output); }
public void Vector3() { byte[] key = { 0xef, 0x01, 0x23, 0x45 }; byte[] input = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; byte[] expected = { 0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf, 0xbd, 0x61 }; ARC4Managed rc4 = new ARC4Managed(); rc4.Key = key; ICryptoTransform stream = rc4.CreateEncryptor(); byte[] output = stream.TransformFinalBlock(input, 0, input.Length); AssertEquals("RC4 - Test Vector 3", expected, output); }
public ARC4Crypt(HashAlgorithm hash, bool isServer) { Contract.Requires(hash != null); var encKey = isServer ? _serverEncClientDec : _serverDecClientEnc; var decKey = isServer ? _serverDecClientEnc : _serverEncClientDec; _encrypt = new ARC4Managed(); _decrypt = new ARC4Managed(); _encrypt.Key = hash.ComputeHash(encKey); _decrypt.Key = hash.ComputeHash(decKey); var buffer = new byte[DropN]; var length = buffer.Length; // Drop the first N bytes in the stream, to prevent the FMS attack. _encrypt.TransformFinalBlock(buffer, 0, length); _decrypt.TransformFinalBlock(buffer, 0, length); }
public override void HandlePacket(Client context, byte[] data, uint position, uint size) { if (context.inputARC4 != null) { return; } if (size < 0x80) { return; } // Extract the first 0x80 bytes into a separate array byte[] cryptedBlob = new byte[0x80]; Array.Copy(data, position, cryptedBlob, 0, 0x80); Array.Reverse(cryptedBlob); // FIXME if (Client.rsaCsp == null) { Client.rsaCsp = new RSACryptoServiceProvider(); byte[] rsaBlob = File.ReadAllBytes("privateKey.blob"); Client.rsaCsp.ImportCspBlob(rsaBlob); } RSAPKCS1KeyExchangeDeformatter pkcs = new RSAPKCS1KeyExchangeDeformatter(Client.rsaCsp); byte[] decryptedBlob = null; try { decryptedBlob = pkcs.DecryptKeyExchange(cryptedBlob); } catch (CryptographicException ex) { Logger.WriteException("Error occured when decrypting the key exchange", ex); context.Socket.Close(); return; } // Also a failure. if (decryptedBlob.Length < 0x20) { return; } // Extract the RC4 key byte[] arc4Key = new byte[16]; Array.Copy(decryptedBlob, 0x10, arc4Key, 0, 0x10); // Create three RC4 mungers ARC4Managed arc4 = new ARC4Managed(); arc4.Key = arc4Key; context.inputARC4 = arc4.CreateDecryptor(); arc4 = new ARC4Managed(); arc4.Key = arc4Key; context.outputARC4 = arc4.CreateEncryptor(); arc4 = new ARC4Managed(); arc4.Key = arc4Key; var tempDecryptor = arc4.CreateDecryptor(); // Also, grab the init token for the client byte[] decryptedToken = new byte[16]; tempDecryptor.TransformBlock(decryptedBlob, 0, 0x10, decryptedToken, 0); context.SendPacket(0x11, 0xC, 0, decryptedToken); }
public void TransformFinalBlock_InputBuffer_Null() { ARC4Managed rc4 = new ARC4Managed(); rc4.TransformFinalBlock(null, 0, 1); }
public void Vector4() { byte[] key = { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef }; byte[] input = new byte [512]; for (int i = 0; i < input.Length; i++) { input [i] = 0x01; } byte[] expected = { 0x75, 0x95, 0xc3, 0xe6, 0x11, 0x4a, 0x09, 0x78, 0x0c, 0x4a, 0xd4, 0x52, 0x33, 0x8e, 0x1f, 0xfd, 0x9a, 0x1b, 0xe9, 0x49, 0x8f, 0x81, 0x3d, 0x76, 0x53, 0x34, 0x49, 0xb6, 0x77, 0x8d, 0xca, 0xd8, 0xc7, 0x8a, 0x8d, 0x2b, 0xa9, 0xac, 0x66, 0x08, 0x5d, 0x0e, 0x53, 0xd5, 0x9c, 0x26, 0xc2, 0xd1, 0xc4, 0x90, 0xc1, 0xeb, 0xbe, 0x0c, 0xe6, 0x6d, 0x1b, 0x6b, 0x1b, 0x13, 0xb6, 0xb9, 0x19, 0xb8, 0x47, 0xc2, 0x5a, 0x91, 0x44, 0x7a, 0x95, 0xe7, 0x5e, 0x4e, 0xf1, 0x67, 0x79, 0xcd, 0xe8, 0xbf, 0x0a, 0x95, 0x85, 0x0e, 0x32, 0xaf, 0x96, 0x89, 0x44, 0x4f, 0xd3, 0x77, 0x10, 0x8f, 0x98, 0xfd, 0xcb, 0xd4, 0xe7, 0x26, 0x56, 0x75, 0x00, 0x99, 0x0b, 0xcc, 0x7e, 0x0c, 0xa3, 0xc4, 0xaa, 0xa3, 0x04, 0xa3, 0x87, 0xd2, 0x0f, 0x3b, 0x8f, 0xbb, 0xcd, 0x42, 0xa1, 0xbd, 0x31, 0x1d, 0x7a, 0x43, 0x03, 0xdd, 0xa5, 0xab, 0x07, 0x88, 0x96, 0xae, 0x80, 0xc1, 0x8b, 0x0a, 0xf6, 0x6d, 0xff, 0x31, 0x96, 0x16, 0xeb, 0x78, 0x4e, 0x49, 0x5a, 0xd2, 0xce, 0x90, 0xd7, 0xf7, 0x72, 0xa8, 0x17, 0x47, 0xb6, 0x5f, 0x62, 0x09, 0x3b, 0x1e, 0x0d, 0xb9, 0xe5, 0xba, 0x53, 0x2f, 0xaf, 0xec, 0x47, 0x50, 0x83, 0x23, 0xe6, 0x71, 0x32, 0x7d, 0xf9, 0x44, 0x44, 0x32, 0xcb, 0x73, 0x67, 0xce, 0xc8, 0x2f, 0x5d, 0x44, 0xc0, 0xd0, 0x0b, 0x67, 0xd6, 0x50, 0xa0, 0x75, 0xcd, 0x4b, 0x70, 0xde, 0xdd, 0x77, 0xeb, 0x9b, 0x10, 0x23, 0x1b, 0x6b, 0x5b, 0x74, 0x13, 0x47, 0x39, 0x6d, 0x62, 0x89, 0x74, 0x21, 0xd4, 0x3d, 0xf9, 0xb4, 0x2e, 0x44, 0x6e, 0x35, 0x8e, 0x9c, 0x11, 0xa9, 0xb2, 0x18, 0x4e, 0xcb, 0xef, 0x0c, 0xd8, 0xe7, 0xa8, 0x77, 0xef, 0x96, 0x8f, 0x13, 0x90, 0xec, 0x9b, 0x3d, 0x35, 0xa5, 0x58, 0x5c, 0xb0, 0x09, 0x29, 0x0e, 0x2f, 0xcd, 0xe7, 0xb5, 0xec, 0x66, 0xd9, 0x08, 0x4b, 0xe4, 0x40, 0x55, 0xa6, 0x19, 0xd9, 0xdd, 0x7f, 0xc3, 0x16, 0x6f, 0x94, 0x87, 0xf7, 0xcb, 0x27, 0x29, 0x12, 0x42, 0x64, 0x45, 0x99, 0x85, 0x14, 0xc1, 0x5d, 0x53, 0xa1, 0x8c, 0x86, 0x4c, 0xe3, 0xa2, 0xb7, 0x55, 0x57, 0x93, 0x98, 0x81, 0x26, 0x52, 0x0e, 0xac, 0xf2, 0xe3, 0x06, 0x6e, 0x23, 0x0c, 0x91, 0xbe, 0xe4, 0xdd, 0x53, 0x04, 0xf5, 0xfd, 0x04, 0x05, 0xb3, 0x5b, 0xd9, 0x9c, 0x73, 0x13, 0x5d, 0x3d, 0x9b, 0xc3, 0x35, 0xee, 0x04, 0x9e, 0xf6, 0x9b, 0x38, 0x67, 0xbf, 0x2d, 0x7b, 0xd1, 0xea, 0xa5, 0x95, 0xd8, 0xbf, 0xc0, 0x06, 0x6f, 0xf8, 0xd3, 0x15, 0x09, 0xeb, 0x0c, 0x6c, 0xaa, 0x00, 0x6c, 0x80, 0x7a, 0x62, 0x3e, 0xf8, 0x4c, 0x3d, 0x33, 0xc1, 0x95, 0xd2, 0x3e, 0xe3, 0x20, 0xc4, 0x0d, 0xe0, 0x55, 0x81, 0x57, 0xc8, 0x22, 0xd4, 0xb8, 0xc5, 0x69, 0xd8, 0x49, 0xae, 0xd5, 0x9d, 0x4e, 0x0f, 0xd7, 0xf3, 0x79, 0x58, 0x6b, 0x4b, 0x7f, 0xf6, 0x84, 0xed, 0x6a, 0x18, 0x9f, 0x74, 0x86, 0xd4, 0x9b, 0x9c, 0x4b, 0xad, 0x9b, 0xa2, 0x4b, 0x96, 0xab, 0xf9, 0x24, 0x37, 0x2c, 0x8a, 0x8f, 0xff, 0xb1, 0x0d, 0x55, 0x35, 0x49, 0x00, 0xa7, 0x7a, 0x3d, 0xb5, 0xf2, 0x05, 0xe1, 0xb9, 0x9f, 0xcd, 0x86, 0x60, 0x86, 0x3a, 0x15, 0x9a, 0xd4, 0xab, 0xe4, 0x0f, 0xa4, 0x89, 0x34, 0x16, 0x3d, 0xdd, 0xe5, 0x42, 0xa6, 0x58, 0x55, 0x40, 0xfd, 0x68, 0x3c, 0xbf, 0xd8, 0xc0, 0x0f, 0x12, 0x12, 0x9a, 0x28, 0x4d, 0xea, 0xcc, 0x4c, 0xde, 0xfe, 0x58, 0xbe, 0x71, 0x37, 0x54, 0x1c, 0x04, 0x71, 0x26, 0xc8, 0xd4, 0x9e, 0x27, 0x55, 0xab, 0x18, 0x1a, 0xb7, 0xe9, 0x40, 0xb0, 0xc0 }; ARC4Managed rc4 = new ARC4Managed(); rc4.Key = key; ICryptoTransform stream = rc4.CreateEncryptor(); byte[] output = stream.TransformFinalBlock(input, 0, input.Length); AssertEquals("RC4 - Test Vector 4", expected, output); }