can we use PGP with PHP?

Question Posted / pratik kumar

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can we use PGP with PHP?..

Answer / rakesh kumar nautiyal

We would recomend using GnUPG not PGP, GnUPG can be used for
comercial sites without a license.

You will need shell access, i.e. telnet or SSH. SSH is more
secure. Also a linux machine and a copy of PGP installed on
your machine. You will also need to generate a key pair,
this consists of a public and private key. The public key is
uploaded to the server the private key is kept on your
machine. See the PGP help file for more information.

GnUPG must be installed, (Check with your server admin)

Access the shell as your user then do the following command :-
mkdir .gnupg
chmod 777 .gnupg
gpg --gen-key

use a dummy name and when it gets to the bit where it
generates the keys make sure the machine is doing I/O to get
the entropy.. ie. telnet in again and do a du / or something
its best to have this ready and just hit enter as you finish
the key creation

This creates a dummy key pair, this is not used but is needed.

This takes anything from a few seconds to a few minutes
depending on the speed of the server.

as the user, just ftp the ascii public key to the server.
This will be called something.asc. Upload it making sure its
ASCII not binary (See your FTP software help file)

then type ..

gpg --import file.asc

Then ..

gpg --list-keys

get the name of the new key that was uploaded, this will be
something like :-
pub 1024D/FA46F142 2000-11-03 Darren Casey

The next part is to set the permissions for the .gnupg
directory so the webserver can access the files. Type the
following commands :-

cd .gnupg
chmod 666 trustdb.gpg
chmod 604 secring.gpg
chmod 604 random_seed
chmod 644 pubring.gpg

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