See the following Module:
http://search.cpan.org/~burak/GD-SecurityImage-1.33/lib/GD/SecurityImage.pm


----- Original Message ----- 
From: "Suresh Govindachar" <[EMAIL PROTECTED]>
To: "perl-win32-users" <[EMAIL PROTECTED]>
Sent: Thursday, September 02, 2004 11:25 PM
Subject: Re: How to write verify code program in perl?


> $Bill Luebkert sent on 02 Sep 2004 21:21:13 -0700:
> 
> > Tony Cheung wrote:
> >> Hi, everybody !
> >> How to write verify code  program(picture or number) in perl ?
> >> Please view attachment, thanks.
> > 
> > Assuming you are going to use the attached image, 
> 
> Otherwise, the steps for the server would be:
> 
> 1) Generate 5 character or so long string of random 
>    word characters [a-zA-Z0-9_]
> 2) Use that string to create an image with a 
>    human-readable but not machine readable 
>    distortion of the string.  There should be
>    randomness in the algorithm that creates
>    the distorted image.
> 3) Present the user with the image and an input box
>    to enter a string.
> 4) Get the user input and compare with the
>    string generated in step 1.
>    
> > all you need to do is have the user type 'ewtzl' into a
> > form text field and then you can verify it using either
> > either JavaScript or a CGI app.  Take a look at CGI.pm if
> > you are using the Perl solution.
> 
> --Suresh
> 
> _______________________________________________
> Perl-Win32-Users mailing list
> [EMAIL PROTECTED]
> To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
> 
_______________________________________________
Perl-Win32-Users mailing list
[EMAIL PROTECTED]
To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs

Reply via email to