Maybe "reversible hashing of a tar file" is a better way to describe what I 
need ... I want to make a tar file unreadable (at least can't be 
uncompressed) by anyone who doesn't know the key.

Bob.

At 10:43 AM 9/12/2002 +1000, Martin Towell wrote:
>something to do with private and public keys - but don't ask me how to do it
>in PHP
>Hope that leads you on the right path
>Martin
>
>
>-----Original Message-----
>From: Bob Bowker [mailto:[EMAIL PROTECTED]]
>Sent: Thursday, September 12, 2002 10:49 AM
>To: [EMAIL PROTECTED]
>Subject: [PHP] Need 2-way encryption
>
>
>Is there a way to encrypt a large tar file (60+ megs) in a way that it can
>be decrypted ...? RH Linux 7.2, PHP 4.06
>
>TIA --
>
>Bob.
>
>
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