static void InternalTesting()
{
try
{
foreach (var item in trackPayload)
{
MSRTrackDataDecryptor decryptor = new MSRTrackDataDecryptor();
// decryptor in action
byte[] trackInformation = decryptor.DecryptData(item.KSN, item.EncryptedData);
string decryptedTrack = ConversionHelper.ByteArrayToHexString(trackInformation);
//1234567890|1234567890|12345
Debug.WriteLine($"OUTPUT ____: {decryptedTrack}");
Console.WriteLine($"OUTPUT : [{decryptedTrack}]");
byte[] expectedValue = ConversionHelper.HexToByteArray(item.DecryptedData);
bool result = StructuralComparisons.StructuralEqualityComparer.Equals(expectedValue, trackInformation);
Console.WriteLine($"EQUAL : [{result}]");
MSRTrackData trackData = decryptor.RetrieveTrackData(trackInformation);
Console.WriteLine($"CHOLDER: [{trackData.Name}]");
}
}
catch (Exception e)
{
Console.WriteLine($"EXCEPTION: {e.Message}");
}
}
public void DecryptData_ShouldDecryptTrackData_WhenCalled(string ksn, string encryptedTrack, string decryptedTrack)
{
byte[] expectedValue = ConversionHelper.HexToByteArray(decryptedTrack);
byte[] actualValue = subject.DecryptData(ksn, encryptedTrack);
Assert.Equal(expectedValue, actualValue);
}
static void MsrTrackDecryption(IConfiguration configuration, int index)
{
var trackData = configuration.GetSection("MSRTrackDataGroup:MSRTrackData")
.GetChildren()
.ToList()
.Select(x => new
{
msrTrackKsn = x.GetValue <string>("KSN"),
msrTrackIV = x.GetValue <string>("IV"),
msrEncryptedTrackData = x.GetValue <string>("EncryptedTrackData"),
msrDecryptedTrackData = x.GetValue <string>("DecryptedTrackData")
});
// Is there a matching item?
if (trackData.Count() > index)
{
string msrTrackKsn = trackData.ElementAt(index).msrTrackKsn;
string msrTrackIV = trackData.ElementAt(index).msrTrackIV;
string msrEncryptedTrackData = trackData.ElementAt(index).msrEncryptedTrackData;
string msrDecryptedTrackData = trackData.ElementAt(index).msrDecryptedTrackData;
try
{
//1234567890|1234567890|12345
Console.WriteLine($"\r\n==== [ MSR TRACK DECRYPTION ] ====");
MSRTrackDataDecryptor decryptor = new MSRTrackDataDecryptor();
Debug.WriteLine($"KSN _______: {msrTrackKsn}");
Console.WriteLine($"KSN : {msrTrackKsn}");
//Console.WriteLine($"DATA : {msrEncryptedTrackData}");
// decryptor in action
byte[] trackInformation = decryptor.DecryptData(msrTrackKsn, msrEncryptedTrackData);
string decryptedTrack = ConversionHelper.ByteArrayToHexString(trackInformation);
//1234567890|1234567890|12345
//Console.WriteLine($"OUTPUT : {decryptedTrack}");
Debug.WriteLine($"OUTPUT ____: {decryptedTrack}");
//MSRTrackData trackInfo = decryptor.RetrieveAdditionalData(trackInformation);
MSRTrackData trackInfo = decryptor.RetrieveTrackData(trackInformation);
string expirationDate = "";
if (trackInfo.ExpirationDate.Length >= 4)
{
expirationDate = trackInfo.ExpirationDate.Substring(0, 2) + "/" + trackInfo.ExpirationDate.Substring(2, 2);
}
//1234567890|1234567890|12345
Debug.WriteLine($"PAN DATA : {trackInfo.PANData}");
Debug.WriteLine($"EXPIR (YY/MM): {expirationDate}");
Debug.WriteLine($"SERVICE CODE : {trackInfo.ServiceCode}");
Debug.WriteLine($"DISCRETIONARY: {trackInfo.DiscretionaryData}");
Console.WriteLine($"EXPIRATE : {trackInfo.ExpirationDate}");
Console.WriteLine($"SERV CODE: {trackInfo.ServiceCode}");
byte[] expectedValue = ConversionHelper.HexToByteArray(msrDecryptedTrackData);
bool result = StructuralComparisons.StructuralEqualityComparer.Equals(expectedValue, trackInformation);
Console.WriteLine($"EQUAL : [{result}]");
//MSRTrackData trackData = decryptor.RetrieveTrackData(trackInformation);
//Console.WriteLine($"CHOLDER: [{trackData.Name}]");
}
catch (Exception e)
{
Console.WriteLine($"EXCEPTION: {e.Message}");
}
}
}