Re: Re: I-worm/Klez and a GIF query/question

Hey, Thanks for replying, Do you by any chance have the code or functions that i can use to do this? even to output on jpeg should be ok. Cheers, -Ryan ----- Original Message ----- From: "Jason Wong" <php-general@gremlins.com.hk> To: <php-general@lists.php.net> Sent: Friday, May 03, 2002 2:21 PM Subject: Re: [PHP] Re: I-worm/Klez and a GIF query/question > On Saturday 04 May 2002 04:58, Hugh Bothwell wrote: > > "R" <r@jumac.com> wrote in message > > news:007501c1f304$3c1607a0$0a6da8c0@lgwezec83s94bn... > > > > > at the end of the form he wants a "key" gif...(A gif with a number) > > > that is automatically generated and that number has to be entered into > > > the text box....the idea is that it prevents automaited > > > registerations..... > > > > I've seen code that puts out an image that is .gif-compatible > > (ie can be viewed in any browser) but is not LZH-compressed, > > ie does not fall under the patents. I could write a PHP file > > to do it... > > > > The drawback, of course, is no compression; but for a small > > image that shouldn't be a problem. > > > > NOTE that for someone sufficiently persistent, they could still > > pattern-match the generated image to retrieve the number and > > auto-register that way. (I could write a PHP file to do that, too :-) > > The pics generated by services like Yahoo are distorted and thus are > extremely difficult to OCR. > > -- > Jason Wong -> Gremlins Associates -> www.gremlins.com.hk > Open Source Software Systems Integrators > * Web Design & Hosting * Internet & Intranet Applications Development * > > /* > It is Mr. Mellon's credo that $200,000,000 can do no wrong. Our > offense consists in doubting it. > -- Justice Robert H. Jackson > */ > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >