OpenPGP

• GitHub/GPGsign

• gpg used on linux.
• Create keys
  • $ gpg --gen-key
    • Select key length and enter details, recommeded key length 2048+
• E.g. key-id AABBCCDD
• Export key in-order to email it to someone
  • Public
    • $ gpg --export --armor AABBCCDD
  • Private

    • gpg --export-secret-key -a "User Name" > gpg-pieter-private.gpg.key

• List keys
  • $ gpg --fingerprint
• Send to key server
  • $ gpg --send-keys --keyserver keyserver.ubuntu.com AABBCCDD
• Encrypt txt with gpg
  • To avoid warning about trusting key

    • gpg --edit-key <KEY_ID>
      gpg> trust

  • $ echo -n "Secret_Password" | gpg --armor --encrypt -r PickKEY --comment "comment string" --batch

Testing verifying gpg keys, in empty keyring

• load new key in temp keyring (Paste pem key, and ctrl-d)

  gpg --no-default-keyring --keyring /tmp/gpg-delme --allow-secret-key-import --import -

• export a key with a comment

  gpg --no-default-keyring --keyring /tmp/gpg-delme --allow-secret-key-import --armor --comment "comment string" --export-key KEYNAME

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