function CheckSum(const s: string): string; var j, t: Integer; begin t := Ord(s[1]); for j := 2 to Length(s) do t := t xor Ord(s[j]); result := IntToHex(StrToInt(Inttostr(t)), 2); end; [10:26:42 PM EEST] Mustafa Sert: --- [10:27:00 PM EEST] Mustafa Sert: object-pascal (delphi) kodunu veriyorum