/// <summary>
/// Get the checksum number so we can add it into the license key string.
/// </summary>
/// <param name="licensekey">The license key string.</param>
/// <param name="numberLength">The size of the field.</param>
/// <param name="includeLicensekey">Include the original license key as part of the return value.</param>
private string GetChecksumNumber(string licensekey, int numberLength, bool includeLicensekey)
{
//
// create the checksum class
//
var chk = new Checksum();
var remain = numberLength % 4;
if (remain != 0)
{
throw new ApplicationException("For Bits values each block should be a multiple of 4");
}
numberLength = numberLength / 4;
chk.ChecksumAlgorithm = ChecksumAlgorithm;
chk.CalculateChecksum(licensekey);
if (includeLicensekey)
{
var csum = chk.ChecksumNumber;
licensekey = licensekey + NumberDisplay.CreateNumberString(csum, numberLength);
}
else
{
var csum = chk.ChecksumNumber;
licensekey = NumberDisplay.CreateNumberString(csum, numberLength);
}
return(licensekey);
}
/// <summary>
/// Get a random number so we can add it into the license key string.
/// </summary>
/// <param name="numberLength">The size of the field.</param>
private void GetRandomNumber(int numberLength)
{
var remain = numberLength % 4;
if (remain != 0)
{
throw new ApplicationException("For Bits values each block should be a multiple of 4");
}
numberLength = numberLength / 4;
var rndnum = _rnd.Next(numberLength);
_strLicensekey = _strLicensekey + NumberDisplay.CreateNumberString((uint)rndnum, numberLength);
}
/// <summary>
/// Get a random number so we can add it into the license key string.
/// </summary>
/// <param name="numberLength">The size of the field.</param>
private void GetRandomNumber(int numberLength)
{
int rndnum;
int remain;
//
// if bits has been selected then we need to check for a 4 bit multiple
//
if (UseBytes == false)
{
remain = numberLength % 4;
if (remain != 0)
{
throw new ApplicationException("For Bits values each block should be a multiple of 4");
}
numberLength = numberLength / 4;
}
rnd.SetMaxLength(numberLength);
rndnum = rnd.GetRandomNumber();
strLicensekey = strLicensekey + NumberDisplay.CreateNumberString((uint)rndnum, numberLength, UseBase10);
}
/// <summary>
/// Get the checksum number so we can add it into the license key string.
/// </summary>
/// <param name="Licensekey">The license key string.</param>
/// <param name="numberLength">The size of the field.</param>
/// <param name="includeLicensekey">Include the original license key as part of the return value.</param>
private string GetChecksumNumber(string Licensekey, int numberLength, bool includeLicensekey)
{
int remain;
Checksum chk;
//
// create the checksum class
//
chk = new Checksum();
//
// if bits has been selected then we need to check for a 4 bit multiple
//
if (UseBytes == false)
{
remain = numberLength % 4;
if (remain != 0)
{
throw new ApplicationException("For Bits values each block should be a multiple of 4");
}
numberLength = numberLength / 4;
}
chk.ChecksumAlgorithm = ChecksumAlgorithm;
chk.CalculateChecksum(Licensekey);
if (includeLicensekey)
{
uint csum;
csum = chk.ChecksumNumber;
Licensekey = Licensekey + NumberDisplay.CreateNumberString(csum, numberLength, UseBase10);
}
else
{
uint csum;
csum = chk.ChecksumNumber;
Licensekey = NumberDisplay.CreateNumberString(csum, numberLength, UseBase10);
}
return(Licensekey);
}
