public static String GenFirma(String request)
{
byte[] SignedData = new byte[128];
String SignedBase64 = "";
RSACryptoServiceProvider public_rsa;
VigiaCryptografi cfunction;
public_rsa = new RSACryptoServiceProvider();
public_rsa.FromXmlString(PUBLIC_KEY);
cfunction = new VigiaCryptografi(public_rsa, "", "SHA1");
var private_rsa = new RSACryptoServiceProvider();
private_rsa.FromXmlString(FULL_KEY);
byte[] shash = cfunction.Sign(request, private_rsa);
SignedData = shash;
SignedBase64 = Convert.ToBase64String(SignedData);
return(SignedBase64);
}
public static bool IsValidSerial(String signed, String LincenseInfo)
{
var public_key = new RSACryptoServiceProvider();
public_key.FromXmlString(PUBLIC_KEY);
VigiaCryptografi vcripto = new VigiaCryptografi(public_key, LincenseInfo, "SHA1");
if (signed == "" || LincenseInfo == "")
{
return(false);
}
bool result = false;
try
{
result = vcripto.VerifySignature(Convert.FromBase64String(signed));
}
catch (Exception)
{
result = false;
}
return(result);
}