public bool CheckNewLicense(string inLicCode, int inProduct)
{
bool ok = true;
License thenewlicense = new License();
//uint theCRC = 0;
if (inLicCode.Length == 24)
{
try
{
thenewlicense.mClient = Convert.ToUInt16((inLicCode[2] - 65) * 26 * 26 + (inLicCode[3] - 65) * 26 + (inLicCode[5] - 65));
thenewlicense.mProduct = Convert.ToUInt16((inLicCode[6] - 65) * 26 * 26 + (inLicCode[7] - 65) * 26 + (inLicCode[8] - 65));
uint temp = Convert.ToUInt16((inLicCode[13] - 65) * 26 * 26 + (inLicCode[15] - 65) * 26 + (inLicCode[16] - 65));
thenewlicense.mCRC = Convert.ToUInt32((((inLicCode[10] - 65) * 26 * 26 + (inLicCode[11] - 65) * 26 + (inLicCode[12] - 65)) << 10) + (temp >> 4));
thenewlicense.mKey = temp & 15;
thenewlicense.mStart = Convert.ToUInt32((inLicCode[17] - 65) * 26 * 26 + (inLicCode[18] - 65) * 26 + (inLicCode[20] - 65));
thenewlicense.mEnd = Convert.ToUInt32((inLicCode[21] - 65) * 26 * 26 + (inLicCode[22] - 65) * 26 + (inLicCode[23] - 65));
string totalstring = thenewlicense.mClient.ToString() + thenewlicense.mProduct.ToString() + thenewlicense.mKey.ToString() + thenewlicense.mStart.ToString() + thenewlicense.mEnd.ToString();
Crc32 newCrc = new Crc32();
uint newcrc = newCrc.ComputeChecksum(StrToByteArray(totalstring));
newcrc = newcrc & 0x00ffffff;
thenewlicense.mValid = newcrc == thenewlicense.mCRC;
//if (thenewlicense.mValid && inProduct == thenewlicense.mProduct)
if (AddLicense(thenewlicense))
{
ok = true;
}
else
{
ok = false;
}
}
catch (Exception)
{
MessageBox.Show("This license is not valid.", "Problem", MessageBoxButtons.OK);
ok = false;
}
//else
// ok = false;
/*
* mStart = (inLicCode[17]-'A')*26*26 + (inLicCode[18]-'A')*26 + (inLicCode[20]-'A');
* mEnd = (inLicCode[21]-'A')*26*26 + (inLicCode[22]-'A')*26 + (inLicCode[23]-'A');
*/
//SetCRC ();
//mValid = (theCRC == mCRC);
}
else
{
MessageBox.Show("This license is not valid.", "Problem", MessageBoxButtons.OK);
ok = false;
}
//newCrc.ComputeChecksum(
return(ok);
}
internal bool CheckNewLicense(string inLicCode)
{
bool ok = true;
int test;
License thenewlicense = new License();
uint theCRC = 0;
if (inLicCode.Length == 24)
{
try
{
thenewlicense.mClient = Convert.ToUInt16((inLicCode[2] - 65) * 26 * 26 + (inLicCode[3] - 65) * 26 + (inLicCode[5] - 65));
thenewlicense.mProduct = Convert.ToUInt16((inLicCode[6] - 65) * 26 * 26 + (inLicCode[7] - 65) * 26 + (inLicCode[8] - 65));
uint temp = Convert.ToUInt16((inLicCode[13] - 65) * 26 * 26 + (inLicCode[15] - 65) * 26 + (inLicCode[16] - 65));
thenewlicense.mCRC = Convert.ToUInt32((((inLicCode[10] - 65) * 26 * 26 + (inLicCode[11] - 65) * 26 + (inLicCode[12] - 65)) << 10) + (temp >> 4));
thenewlicense.mKey = temp & 15;
thenewlicense.mStart = Convert.ToUInt32((inLicCode[17] - 65) * 26 * 26 + (inLicCode[18] - 65) * 26 + (inLicCode[20] - 65));
thenewlicense.mEnd = Convert.ToUInt32((inLicCode[21] - 65) * 26 * 26 + (inLicCode[22] - 65) * 26 + (inLicCode[23] - 65));
string totalstring = thenewlicense.mClient.ToString() + thenewlicense.mProduct.ToString() + thenewlicense.mKey.ToString() + thenewlicense.mStart.ToString() + thenewlicense.mEnd.ToString();
Crc32 newCrc = new Crc32();
uint newcrc = newCrc.ComputeChecksum(StrToByteArray(totalstring));
newcrc = newcrc & 0x00ffffff;
thenewlicense.mValid = newcrc == thenewlicense.mCRC;
if (!thenewlicense.mValid)
{
MessageBox.Show("This License is not valid!");
return(false);
}
int returnint = AddLicense(thenewlicense);
if (returnint == 0)
{
ok = true;
}
else
{
string messageboxstring = "";
switch (returnint)
{
case 1:
messageboxstring = "This license is not for this client!";
break;
case 2:
messageboxstring = "This license is not for this product!";
break;
// JPB This is a test change, removing redundant code...
//case 3:
// messageboxstring = "This license end date is shorter then the current end date!";
// break;
case 4:
messageboxstring = "This license end date is already expired!";
break;
case 5:
messageboxstring = "Unable to save new license!";
break;
}
MessageBox.Show(messageboxstring);
ok = false;
}
}
catch (Exception)
{
MessageBox.Show("This license is not valid.", "Problem", MessageBoxButtons.OK);
ok = false;
}
//else
// ok = false;
/*
* mStart = (inLicCode[17]-'A')*26*26 + (inLicCode[18]-'A')*26 + (inLicCode[20]-'A');
* mEnd = (inLicCode[21]-'A')*26*26 + (inLicCode[22]-'A')*26 + (inLicCode[23]-'A');
*/
//SetCRC ();
//mValid = (theCRC == mCRC);
}
else
{
MessageBox.Show("This license is not valid.", "Problem", MessageBoxButtons.OK);
ok = false;
}
//newCrc.ComputeChecksum(
return(ok);
}
