GPG Reference

By Dan Aukes

create a new key

gpg --full-generate-key

import

gpg --import <filename>

export

gpg --export-secret-keys <filename>.gpg

adding –armor ensures the key is saved in ASCII format:

gpg --armor --export-secret-keys <filename>.gpg

List gpg keys

gpg --list-keys
gpg --list-secret-keys

prints out ids

delete gpg secret keys

gpg --delete-secret-keys KEYIDFROMABOVE
gpg --delete-keys KEYIDFROMABOVE

decrypt

gpg --output /my/path/to/output_file.ext --decrypt /my/encrypted/source/file.gpg

importing and trusting keys

gpg --list-keys
#or
gpg -K

copy the <KEY_ID>

gpg --edit-key <KEY_ID>

gpg> trust

  1 = I don't know or won't say
  2 = I do NOT trust
  3 = I trust marginally
  4 = I trust fully
  5 = I trust ultimately
  m = back to the main menu
  1. select 5, yes
  2. type q to exit

Update passphrase

gpg –edit-key

gpg> passwd

enter the password

save q to exit

encrypt without passphrase dialog

gpg --encrypt --passphrase-file </path/to/passphrase> --sign -r <who_to_sign_for> </path/to/file/to/encrypt>

External references