pgp/gnupg

[slanning at buphy.bu.edu (Scott Lanning)]

On Fri, 5 Oct 2001, dan moylan wrote:
>John Abreau wrote:
>> I'm also curious how many of us actually use PGP or GnuPG.
>
>i for one have never had occasion to use either, and only vaguely
>understand what would occasion its necessity.

For an example from work, we take information from a web form.
The user enters their credit card number in the HTML form.
The server is running SSL (https://), so the number is sent
encrypted to our web server. The web server unencrypts it for
a CGI script (or mod_perl), which then takes the credit card
and other form information and encrypts with GNUPG, and mails
it to a remote credit card handler. We'd exchanged public keys,
so only they can decrypt the encrypted information.

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