private void CmdGenerate_Click(object sender, EventArgs e)
{
//Research
// http://www.identisource.net/26_bit_format_layout.cfm
// http://stackoverflow.com/questions/30919535/determine-facility-code-and-card-number-from-atr-in-c-sharp
RTxtResult.Clear();
RTxtResult.AppendText(HexResult(Convert.ToInt32(TxtFacilityCode.Text), Convert.ToInt32(TxtCardCode.Text)));
}
private void CmdBulkGen_Click(object sender, EventArgs e)
{
string[] delimiterChars = { "\r\n" };
string[] rows;
rows = TxtBulkCardCode.Text.Split(delimiterChars, StringSplitOptions.RemoveEmptyEntries);
RTxtResult.Clear();
foreach (string s in rows)
{
try
{
RTxtResult.AppendText(HexResult(Convert.ToInt32(TxtFacilityCode.Text), Convert.ToInt32(s)) + "\r\n");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private void CmdConvertHex_Click(object sender, EventArgs e)
{
try
{
//FromByteArray(hexString, int byteOffset, int bitOffset, int numberOfBits)
//var cardNumber = FromByteArray(atrByteArray, 0, 1, 16);
//var facilityCode = FromByteArray(atrByteArray, 0, 17, 8);
RTxtResult.Clear();
var hexString = TxtConvertHex.Text;
var start_number = Int64.Parse(hexString, NumberStyles.HexNumber);
Int64 a_26_only = start_number & 0x3FFFFFF; //26 bits, 11 1111 1111 1111 1111 1111 1111
//Int64 result = (a_26_only >> bitOffset) & (long)(Math.Pow(2,numberOfBits)-1);
RTxtResult.AppendText("Card Number:" + ((a_26_only >> 1) & (long)(Math.Pow(2, 16) - 1)).ToString() + "\r\n");
RTxtResult.AppendText("Facility Code:" + ((a_26_only >> 17) & (long)(Math.Pow(2, 8) - 1)).ToString() + "\r\n");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}