public void getcertificate(bcertificate c)
{
utb.AppendText("\tCertificate received from: " + c.getbroker() + " !\n");
cert = c;
//set nr or paywords from certificate
string[] ax = cert.getinfo().Split(':');
pwnr = Convert.ToInt32(ax[1]);
}
private bool verifycert(bcertificate cert)
{
rsakey bpbkey = cert.getbroker().bpbk;
string mess = cert.getbroker().ToString() + "," + cert.getuser() + "," + cert.getaddress() + "," + cert.getukey().ToString() + "," + cert.getexp().ToString() + "," + cert.getinfo();
BigInteger messh = hashf.hash(mess);
return(rsa.verifySig(messh, cert.getsigB(), bpbkey));
}