sub get_pubkey {
    my $issuer = shift;
    my %hash;
    tie %hash, 'BerkeleyDB::Hash', -Filename => "/home/httpd/newkeyring" or die "Cannot tie the hash to that file: $! $BerkeleyDB::Error\n";
    open(TEST, ">> fields_data");
    foreach my $hashkey (keys %hash) {
        print TEST "The pubkey is: $hashkey\n";
        print TEST "The value is: $hash{$hashkey}\n";
        print "The pubkey is: $hashkey<br>\n";
        print "The value is: $hash{$hashkey}<br>\n";
    }
    my $server = "$issuer" . ".PUBLIC";
    my $val = $hash{$server};
    close(TEST);
    untie %hash;
    print "Server is : $server<br>\n";
    print "Public key currently is: $val<br>\n";
    return $val;
}