// 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);
}