Might be late, but here's what I have working.

"Troy A. Delagardelle" wrote:

> I am trying to encrypt a credit card number using rc4 and php and then dump
> it into a mySql database.  Does anyone have any sample code that allows me
> to do this??
> I found the Class.RC4Crypt algorithm and would like to use that.  When I
> include the class.rc4crypt.php the page dies...
> Here is my code...
>  // encrypt the credit card number here.
> include("class.rc4crypt.php");
>         $pass = $whatever;
>         $data = $cardInfo['number'];
>         $case ='de';

$case should be 'en' for encrypting.

>         $rc4 = new rc4crypt;
>         $encrypt_CC = endecrypt($pass, $data, $case);

Use this:

  $rc4 = new rc4crypt;
  $encrypt_CC=$rc4->endecrypt($pass, $data, "$case");
  $data="encrypted"; // don't leave it in memory

> then I will send $encrypt_CC to the DB..
> Any help would be greatly appreciated..thx  Troy

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