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| Encryption - 2004/01/20 | Viewed 60 times this month, last update: 2004/01/29
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| About six years ago, I was working for Network Intensive, now Verio. We were all happily working with telnet, rlogin, and ftp, all on a hubed network. Then, one day we found a packet sniffer on one machine, which had been sniffing password out of the ether(net) and sending them on to it's master for some time. Those joyous, care-free days were over.
Since then, it's been nothing but SSH and PGP. This isn't bad, SSH does a lot Telnet never could, and with ssh-agent, it's really not that painful.
These days I'm a security freak. SSH, Firewalls, Tripwire and PGP. I'm here today to talk about PGP. The Pretty good privacy email encryption system and standard. With PGP, it's possible and easy to send emails across the unsanitary internet with valuable, secret information without having to worry about it being used against you. If operating system vendors jumped on the band wagon, and had email systems sign and optionally encrypt by default, using several shared and trusted key servers, the world would be a better place. I could easily send passwords, source code, credit card numbers and anything else via email without worrying. As it is today, I only know of two people (myself included) who use PGP. Come on people!
Here is my key.
And here is a good key server.
On my Linux workstation, I use GnuPG to do my PGP encryption. (Yes, that's confusing. PGP the program was the first, GnuPG is a clone.)
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Comments:
Steve Kehlet (2004-01-29): Several times I've gotten interested in PGP/GPG and thought I'd switch over to using it completely. But as you allude to it is still a pain in the butt for most email clients. Evolution has a decent looking GPG integration but I haven't fully explored it. What client setup do you use? But really nothing I send through email is sensitive anyway, so it's hard to motivate to take that extra step.
Erik (2004-01-29): Evolution (I'm using 1.4.5) has very good integration with PGP (GNUpg in my case). For any email from the "security" pull down in the message composer window, you can sign and/or encrypt. Also, you can set the default to sign and/or encrypt. Also, for any email you can also encrypt to youself, so that the message copy in your "sent" folder is readable by you, but safely encrypted.
And, last but not least: Evolution optionally remembers key passpharases. Thus making the default action to "sign" outgoing messages very user friendly.
The one thing it doesn't do, which I wish it would, is search designated keyservers for a key for the recipients of an email. This would make keyring management much, much simpler.
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