gpg memo

• How to sign the key
  1. Check the person and ID
  2. Receive the key from the server
     gpg --recv-key [ID]
  3. Show the keys
     gpg --list-key [ID]
  4. Sign the key
     gpg --sign-key [ID]
     1. choose one ID (if there is only one, no choice)
     2. sign
     3. save
  5. Upload the signed key to the server
     gpg --send-key [ID]