what is the difference between IPsec and gpg ?

zerop2 · Tux's lil' helper Joined: 24 Apr 2006 Posts: 95

what is the difference between IPsec and gpg ?
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keyson · l33t Joined: 10 Jun 2003 Posts: 830 Location: Sweden

Hi

IPSec is on the fly encrytion of the sent an received data. It works in two modes
transport encrytion- only encrypt the data portion of the packet
or
tunneling- full encrytion of packets. This is sent inside a normal packet (tunnel).

gpg is a tool to encrypt or decrypt files. You may have it to encrypt a mail
before it is sent. But is is a user side program.

Ref:

http://www.webopedia.com/TERM/I/IPsec.html
http://www.tcpipguide.com/free/t_IPSecArchitecturesandImplementationMethods.htm

and:

http://www.gnupg.org/(en)/features.html