public void Test_PEK_Encryption()
{
byte[] encryptedBytes = DUKPT.Encrypt(_bdk, _ksn, Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.PIN);
string encryptedHexResult = BitConverter.ToString(encryptedBytes).Replace("-", "");
Assert.AreEqual(encryptedHexResult, _expectedEncryptedHexPEK);
}
public void Test_PEK_Decryption()
{
byte[] decryptedBytes = DUKPT.Decrypt(_bdk, _ksn, _expectedEncryptedHexPEK.HexStringToByteArray(), DUKPTVariant.PIN);
string decryptedData = Encoding.UTF8.GetString(decryptedBytes);
Assert.AreEqual(decryptedData, _clearData);
}
static void Main(string[] args)
{
string bdk = "0123456789ABCDEFFEDCBA9876543210";
string ksn = "629949012C0000000003";
byte[] superSecretMessage = Encoding.UTF8.GetBytes("1234");
byte[] encryptedData = DUKPT.Encrypt(bdk, ksn, superSecretMessage, DUKPTVariant.PIN);
String hexres = BitConverter.ToString(encryptedData);
hexres = hexres.Replace("-", "");
Console.WriteLine("Encrypted Data: " + hexres);
byte[] decryptedData = DUKPT.Decrypt(bdk, ksn, encryptedData, DUKPTVariant.PIN);
string superSecretMessage1 = Encoding.UTF8.GetString(decryptedData);
Console.WriteLine("Decrypted Data: " + superSecretMessage1);
}
public void Test_PEK_Encryption_Empty_KSN()
{
byte[] decryptedBytes = DUKPT.Encrypt(_bdk, string.Empty, Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.PIN);
}
public void Test_PEK_Encryption_Null_BDK()
{
byte[] decryptedBytes = DUKPT.Encrypt(null, _ksn, Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.PIN);
}
public void Test_PEK_Encryption_Null_Data()
{
byte[] decryptedBytes = DUKPT.Encrypt(_bdk, _ksn, null, DUKPTVariant.PIN);
}
public void Test_PEK_Encryption_Invalid_Length_KSN()
{
byte[] encryptedBytes = DUKPT.Encrypt(_bdk, _ksn.Substring(0, 2), Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.PIN);
}
public void Test_DEK_Decryption_Empty_KSN()
{
byte[] decryptedBytes = DUKPT.Decrypt(_bdk, string.Empty, _expectedEncryptedHexDEK.HexStringToByteArray(), DUKPTVariant.Data);
}
public void Test_DEK_Decryption_Null_BDK()
{
byte[] decryptedBytes = DUKPT.Decrypt(null, _ksn, _expectedEncryptedHexDEK.HexStringToByteArray(), DUKPTVariant.Data);
}
public void Test_DEK_Decryption_Invalid_Length_BDK()
{
byte[] encryptedBytes = DUKPT.Decrypt(_bdk.Substring(0, _bdk.Length / 2), _ksn, _expectedEncryptedHexDEK.HexStringToByteArray(), DUKPTVariant.Data);
}
public void Test_DEK_Encryption_Empty_BDK()
{
byte[] decryptedBytes = DUKPT.Encrypt(string.Empty, _ksn, Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.Data);
}
public void Test_DEK_Encryption_Null_KSN()
{
byte[] decryptedBytes = DUKPT.Encrypt(_bdk, null, Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.Data);
}
public void Test_DEK_Encryption_Invalid_Length_BDK()
{
byte[] encryptedBytes = DUKPT.Encrypt(_bdk.Substring(0, _bdk.Length / 2), _ksn, Encoding.UTF8.GetBytes(_clearData), DUKPTVariant.Data);
}
public void Test_PEK_Decryption_Empty_BDK()
{
byte[] decryptedBytes = DUKPT.Decrypt(string.Empty, _ksn, _expectedEncryptedHexDEK.HexStringToByteArray(), DUKPTVariant.PIN);
}
public void Test_PEK_Decryption_Null_KSN()
{
byte[] decryptedBytes = DUKPT.Decrypt(_bdk, null, _expectedEncryptedHexDEK.HexStringToByteArray(), DUKPTVariant.PIN);
}
public void Test_DEK_Decryption_Null_Data()
{
byte[] decryptedBytes = DUKPT.Decrypt(_bdk, _ksn, null, DUKPTVariant.Data);
}
public void Test_PEK_Decryption_Invalid_Length_KSN()
{
byte[] encryptedBytes = DUKPT.Decrypt(_bdk, _ksn.Substring(0, 2), _expectedEncryptedHexPEK.HexStringToByteArray(), DUKPTVariant.PIN);
}
public static void WorkThreadFunction()
{
string bdk = "0123456789ABCDEFFEDCBA9876543210";
ProcessTransResult transResult = poslink.ProcessTrans();
ManageResponse manageResponse = poslink.ManageResponse;
Console.WriteLine("BDK: " + bdk);
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "BDK: " + bdk);
sb.AppendLine();
if (transResult.Code.Equals(ProcessTransResultCode.OK))
{
Console.WriteLine("From POSLink Encryption: ");
sb.Append("From POSLink Encryption: ");
sb.AppendLine();
Console.WriteLine(manageResponse.ResultCode);
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "ProcessTransResult code: " + manageResponse.ResultCode);
sb.AppendLine();
Console.WriteLine(manageResponse.ResultTxt);
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "ProcessTransResult msg: " + manageResponse.ResultTxt);
sb.AppendLine();
Console.WriteLine("KSN: " + manageResponse.KSN);
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "KSN: " + manageResponse.KSN);
sb.AppendLine();
Console.WriteLine("PAN: " + manageResponse.PAN);
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "PAN: " + manageResponse.PAN);
sb.AppendLine();
Console.WriteLine("Masked PAN: " + manageResponse.MaskedPAN);
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "Masked PAN: " + manageResponse.MaskedPAN);
sb.AppendLine();
Console.WriteLine("From third party Decryption: ");
sb.Append("From third party Decryption: ");
sb.AppendLine();
/*
* byte[] superSecretMessage = Encoding.UTF8.GetBytes("5147501000000018"); //hard coded test card PAN
* byte[] encryptedData = DUKPT.Encrypt(bdk, ksn, superSecretMessage, DUKPTVariant.Data);
* //Console.WriteLine(String.Join("",encryptedData));
* String hexres = BitConverter.ToString(encryptedData);
* hexres = hexres.Replace("-", "");
* Console.WriteLine("Encrypted Data: " + hexres);
*/
string ksn = manageResponse.KSN;
byte[] num = StringToByteArray(manageResponse.PAN);
try {
byte[] decryptedData = DUKPT.Decrypt(bdk, ksn, num, DUKPTVariant.Data);
string res = Encoding.UTF8.GetString(decryptedData);
Console.WriteLine("Decrypted Data: " + res + "\n");
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "Decrypted Data: " + res + "\n");
sb.AppendLine();
}
catch (Exception e)
{
sb.Append(e);
sb.AppendLine();
sb.AppendLine();
}
}
else
{
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "ProcessTransResult code: " + manageResponse.ResultCode);
sb.AppendLine();
sb.Append("[" + DateTime.Now.ToString("MM-dd-yyyy HH:mm:ss") + "]" + "ProcessTransResult msg: " + manageResponse.ResultTxt);
sb.AppendLine();
}
}