$sql = "show columns from my_table";
execute
while (there are $field_names) {
     $public_name = &encode($field_name);
     print "<input type='text' name='".$public_name."'>"
}

sub encode() {
     $scrambled =~ tr/[a-z]/[w,t,5,s,c,....,7,a]/;
     return $scrambled;
}