Beginning PGP

1
Beginning PGP

• 2600 JAN09

2
What?

• OpenPGP is the proposed standard.
• (RFC 2440, 3156, 4880, 5081, etc)
• OpenPGP is not a program.
• PGP and GnuPG are computer programs that
  implement the OpenPGP standard.

3
Who? - Phil Zimmerman

• Created PGP in 1991
• Arms Trafficker?
• Given Book Cred in the Da Vinci Code

4
Who? - Werner Koch

• Initially Developed GnuPG in 1999
• Head of Office and German Vice-Chancellor of the
  Free Software Foundation Europe.

5
Why?

• Email
• All your crap is cleartext
• Data
• See above

6
How?

• Create your keys
• gpg --gen-key
• Follow prompts
• gpg --list-keys
• To Confirm
• Create your revocation key
• gpg --output revoke.asc --gen-revoke KEYID

7
How?

• Exporting keys
• gpg --armor --output jberg.asc --export
  jberg_at_atu.edu
• Put jberg.asc whereever you want

8
How?

• Importing keys
• gpg --import jberg.asc
• gpg --list-keys
• gpg --edit-key jberg_at_atu.edu
• Commandgt fpr
• Commandgt sign (follow prompts)
• Commandgt check

9
Now What?

• Send signed and/or encrypted E-mail
• Thunderbird /w Enigmail (32-bit only currently)
• Mutt
• Kmail

10
Now What?

• Encrypt your crap
• To create an encrypted file
• gpg -c test.txt (then enter your password)
• To decrypt an encrypted file
• gpg test.txt.gpg
• Useful if you don't trust where your files are
  stored.

11
Now What?

• Encrypt your crap to send to people with keys
• gpg --armor --encrypt file.tar.gz
• ensure you've imported the key of who you're
  sending to
• Decrypt his/her crap
• gpg --decrypt file.tar.gz.asc

12
References

• GnuPrivacyGuardHowtohttps//help.ubuntu.com/commun
  ity/GnuPrivacyGuardHowto
• Linux HOWTO Secure Your Data with PGP, Part 1
  http//www.youtube.com/watch?v_VbcDh1wuaA
• Linux HOWTO Secure Your Data with PGP, Part 2
  http//www.youtube.com/watch?vbQYwqzS-Wyo