// Test that a valid key passes the key validation function - needs changes to // OTPgenerator to work properly public int[] testGoodDecrypt() { int[] passed = new int[2]; passed[1] = 1; string seed = "A021E0A80264A33C08B6C2884AC0685C"; string key = "0xb5b1870957d373ef0eeffecc6e4812c0fd08f554b37b233526acc331bf1544f7"; key = VerifyKeys.removeHexPrefix(key); byte[] otp = new byte[32]; byte[] seedByte = new byte[14]; byte[] encryptedKey = new byte[34]; byte[] keyByte = Encoding.ASCII.GetBytes(key); seedByte = Encoding.ASCII.GetBytes(seed); byte[] goodKey = OTPworker.OTPxor(seedByte, keyByte); byte[] decryptedKey = OTPworker.decryptFromBlob(seed, Convert.ToBase64String(goodKey)); string finalKey = Encoding.ASCII.GetString(keyByte); if (finalKey == key) { passed[0] = 1; } return(passed); }
// 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 string for a key as input, encrypts it, and returns a byte[] of the encrypted key public byte[] encryptKey(string inputKey) { byte[] otp = new byte[32]; byte[] seed = new byte[16]; byte[] encryptedKey = new byte[34]; byte[] key = Encoding.ASCII.GetBytes(inputKey); int size = 32; seed = OTPworker.randomSeedGenerator(seed); OTPworker.OTPGenerator(otp, size, seed); encryptedKey = OTPworker.OTPxor(key, otp); return(encryptedKey); }
// To do public int[] testDecryptKey() { int[] passed = new int[2]; passed[1] = 1; int size = 32; byte[] key = new byte[size]; byte[] eKey = new byte[size]; byte[] dKey = new byte[size]; byte[] seed = new byte[size]; byte[] otp = new byte[size]; bool same = true; for (int i = 0; i < key.Length; i++) { key[i] = (byte)i; } for (int i = 0; i < seed.Length; i++) { seed[i] = (byte)i; } OTPworker.OTPGenerator(otp, size, seed); eKey = OTPworker.OTPxor(key, otp); dKey = OTPworker.OTPxor(eKey, otp); for (int i = 0; i < key.Length; i++) { if (key[i] != dKey[i]) { same = false; } } if (same) { passed[0] = 1; } else { Debug.Log("Test for encryption and decryption failed"); Debug.Log("Values: " + key[0] + "-" + dKey[0] + " " + key[1] + "-" + dKey[1]); } return(passed); }
// Test that a valid key passes the key validation function public void testGoodDecrypt() { string seed = "A021E0A80264A33C08B6C2884AC0685C"; string key = "0xb5b1870957d373ef0eeffecc6e4812c0fd08f554b37b233526acc331bf1544f7"; key = VerifyKeys.removeHexPrefix(key); byte[] otp = new byte[32]; byte[] seedByte = new byte[14]; byte[] encryptedKey = new byte[34]; byte[] keyByte = Encoding.ASCII.GetBytes(key); seedByte = Encoding.ASCII.GetBytes(seed); byte[] goodKey = OTPworker.OTPxor(seedByte, keyByte); byte[] decryptedKey = OTPworker.decryptFromBlob(seed, Convert.ToBase64String(goodKey)); string finalKey = Encoding.ASCII.GetString(keyByte); Debug.Log("Bad decrypted key: " + finalKey); }
// 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); }
// 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); }