// 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);
}
