// Test decrypting a key from a didery blob - needs the bug fix for OTPgenerator to work public int[] testDecryptFromBlob() { int[] passed = new int[2]; passed[1] = 1; byte[] key = new byte[16]; byte[] seed = new byte[16]; byte[] encryptedKey = new byte[16]; byte[] decryptedKey = new byte[16]; byte[] decryptedBlob = new byte[16]; byte[] otp = new byte[32]; for (int i = 0; i < key.Length; i++) { key[i] = (byte)(i + 1); } for (int i = 0; i < seed.Length; i++) { seed[i] = (byte)(i + 1); } OTPworker.OTPGenerator(otp, 32, seed); encryptedKey = OTPworker.OTPxor(key, otp); decryptedKey = OTPworker.OTPxor(encryptedKey, otp); string seedString = OTPworker.ByteArrayToHex(seed); string keyString = OTPworker.ByteArrayToHex(key); string decryptedString = OTPworker.ByteArrayToHex(decryptedKey); if (keyString == decryptedString) { passed[0] += 1; } else { Debug.Log("Decrypt key test failed. Key: " + OTPworker.ByteArrayToHex(key)); Debug.Log("Decrypted key: " + OTPworker.ByteArrayToHex(decryptedKey)); } decryptedBlob = OTPworker.decryptFromBlob(seedString, Convert.ToBase64String(encryptedKey)); passed[1] += 1; if (keyString == OTPworker.ByteArrayToHex(decryptedBlob)) { passed[0] += 1; } else { Debug.Log("Decrypt blob test failed. Key string: " + keyString + " decrypted blob: " + OTPworker.ByteArrayToHex(decryptedBlob)); } //Debug.Log("Decrypted blob: " + OTPworker.ByteArrayToHex(decryptedBlob)); return(passed); }
// Takes a key as input, encrypts the key, sends it to didery in a POST request public void demoEncryptKey(string inputKey, string url = null) { inputKey = VerifyKeys.removeHexPrefix(inputKey); if (url == null) { url = urlAddress; } int size = 32; string[] dideryData; byte[] otp = new byte[32]; //byte[] seed = new byte[16]; // used for 128 bit seed byte[] seed = new byte[14]; // used for 108 bit seed byte[] encryptedKey = new byte[34]; byte[] key = Encoding.ASCII.GetBytes(inputKey); seed = OTPworker.randomSeedGenerator(seed); // Used for demo puroses - required if trying to use 108 bit seed if (seed[13] > 7) { seed[13] = (byte)((int)seed[13] % 7); } OTPworker.OTPGenerator(otp, size, seed); encryptedKey = OTPworker.OTPxor(key, otp); dideryData = DideryInterface.makePost(encryptedKey, seed); string did = dideryData[0]; string signature = dideryData[1]; string postBody = dideryData[2]; //Debug.Log("Did: " + did + " signature: " + " postBody: " + postBody); SeedManager.InputSeed = OTPworker.ByteArrayToHex(seed); DideryDemoManager.DemoDid = did; Debug.Log("Did: " + DideryDemoManager.DemoDid); postRequest(url, postBody, signature); }
// Test the OTP generator to make sure it outputs the same pad given the same seed public int[] testOtpGenerator2() { int[] passed = new int[2]; int size = 16; string s = "a"; string result1 = ""; string result2 = ""; byte[] seed = OTPworker.HexStringToByteArray(s); byte[] output = new byte[size]; for (int i = 0; i < 1000; i++) { passed[1] += 1; if (s.Length < 30) { int rand = Random.Range(0, 9); s += rand.ToString(); } else { s = "b"; } OTPworker.OTPGenerator(output, size, seed); result1 = OTPworker.ByteArrayToHex(output); result2 = OTPworker.ByteArrayToHex(output); if (result1 == result2) { passed[0] += 1; } else { Debug.Log("OTP generator test failed. Seed: " + result1 + " Result: " + result2); } } return(passed); }
// Takes a key as input, encrypts the key, sends it to didery in a POST request public void demoEncryptKey(string inputKey) { int size = 32; string[] dideryData; byte[] otp = new byte[32]; //byte[] seed = new byte[16]; byte[] seed = new byte[14]; byte[] encryptedKey = new byte[34]; byte[] key = Encoding.ASCII.GetBytes(inputKey); seed = OTPworker.randomSeedGenerator(seed); seed = checkSeed(seed); // Used for demo puroses if (seed[13] > 7) { seed[13] = (byte)((int)seed[13] % 7); } //seed = HexStringToByteArray("4040C1A90886218984850151AC123249"); OTPworker.OTPGenerator(otp, size, seed); encryptedKey = OTPworker.OTPxor(key, otp); dideryData = DideryInterface.makePost(encryptedKey); string did = dideryData[0]; string signature = dideryData[1]; string postBody = dideryData[2]; //Debug.Log("Did: " + did + " signature: " + " postBody: " + postBody); SeedManager.InputSeed = OTPworker.ByteArrayToHex(seed); DideryDemoManager.DemoDid = did; Debug.Log("Did: " + DideryDemoManager.DemoDid); postRequest(url, postBody, signature); }
// Test decrypting a key from a didery blob public int[] testDecrypt() { int[] passed = new int[2]; passed[1] = 1; byte[] key = new byte[16]; byte[] seed = new byte[16]; byte[] encryptedKey = new byte[16]; byte[] decryptedKey = new byte[16]; byte[] otp = new byte[32]; for (int i = 0; i < key.Length; i++) { key[i] = (byte)(i + 1); } for (int i = 0; i < seed.Length; i++) { seed[i] = (byte)(i + 1); } OTPworker.OTPGenerator(otp, 32, seed); encryptedKey = OTPworker.OTPxor(key, otp); decryptedKey = OTPworker.OTPxor(encryptedKey, otp); string keyString = OTPworker.ByteArrayToHex(key); string decryptedString = OTPworker.ByteArrayToHex(decryptedKey); if (keyString == decryptedString) { passed[0] = 1; } else { Debug.Log("testDecrypt() failed."); } return(passed); }
// Test the OTP generator to make sure it outputs the same pad given the same seed public int[] testOtpGenerator() { int[] passed = new int[2]; int size = 16; string s1 = "9876abcdef"; string s2 = "1234567890"; string s3 = "0245789bce"; byte[] seed1 = OTPworker.HexStringToByteArray(s1); byte[] seed2 = OTPworker.HexStringToByteArray(s2); byte[] seed3 = OTPworker.HexStringToByteArray(s3); byte[] output = new byte[size]; List <string> result1 = new List <string>(); List <string> result2 = new List <string>(); List <string> result3 = new List <string>(); for (int i = 0; i < 10; i++) { OTPworker.OTPGenerator(output, size, seed1); result1.Add(OTPworker.ByteArrayToHex(output)); } for (int i = 0; i < 10; i++) { OTPworker.OTPGenerator(output, size, seed2); result2.Add(OTPworker.ByteArrayToHex(output)); } for (int i = 0; i < 10; i++) { OTPworker.OTPGenerator(output, size, seed3); result3.Add(OTPworker.ByteArrayToHex(output)); } for (int i = 1; i < result1.Count; i++) { passed[1] += 3; if (result1[0] != result1[i]) { Debug.Log("String mismatch in result1"); Debug.Log("RandomBytesDeterministic test failed"); } else { passed[0] += 1; } if (result2[0] != result2[i]) { Debug.Log("String mismatch in result2"); Debug.Log("RandomBytesDeterministic test failed"); } else { passed[0] += 1; } if (result3[0] != result3[i]) { Debug.Log("String mismatch in result3"); Debug.Log("RandomBytesDeterministic test failed"); } else { passed[0] += 1; } } return(passed); }