Re: Encryption features for the file.
| From: | Robert James Kaes | Date: | Fri, 23 Aug 2002 18:27:56 +0000 |
| Subject: | Re: Encryption features for the file. | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-113832@lists.php.net to get a copy of this message | ||
On Fri, 23 Aug 2002, Scott Fletcher wrote:
> I also received an unusual requirement. It stated that when the customer
> saved the file from the web browser, the file have to be 128-bit encrypted
> on the hard disk. This is crazy! How can this be done?
Why not just encrypt the file on the server using a private key and
distribute the public key. Then send the encrypted file and the person on
the other end would be able to decrypt it. I believe you could use
something like GnuPG to do the encryption.
Mind you, if you're sending a plain file to the customer's browser, then
you no longer have any control over what they do with that information.
(Maybe there is some javascript you could use, but that would only work if
the browser had javascript enabled.)
-- Robert
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