Re: Credit cards
| From: | Matthew Mundy | Date: | Fri, 06 Oct 2000 15:19:54 +0000 |
| Subject: | Re: Credit cards | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-18905@lists.php.net to get a copy of this message | ||
If you are looking to encode and not encrypt, try just hashing them with
md5. Md5 being a one-way hash would work for comparing the hash of the
card to be verified with the known number. If you want encryption, crypt
can be used.
---Matt
On Fri, 6 Oct 2000, Steve Lawson wrote:
> Hi.
>
> I plan to store credit card numbers in a mysql database. I would like to encode them, even if
> it's just in the simplest of ways.
>
> Does anyone know if php or mysql has a simple encryption function? The only functions I found
> require mcrypt to be installed...
>
>
> SL.
>
>