GPG Cheatsheet

gpg_cheatsheet.md

• Retrieve keys of those who trust you

  gpg --recv-keys $(gpg --with-colons --no-expensive-trust-checks --list-sigs <your_id> | grep 'User ID not found' | cut -d: -f5 | sort | uniq | xargs)`

• List all keys signed by a given key

  # params: long_keyid
  # 
  function gpg_list_keys_signed_by() {
    keyid=${1:-'0000000000000000'}
    gpg --with-colons --fingerprint --list-sigs |
    while read line; do
      packettype="$(echo "${line}" | cut -d':' -f1)"
      case $packettype in
        fpr)
          fingerprint="$(echo "${line}" | cut -d':' -f10)"
          ;;
        sig)
          issuedby="$(echo "${line}" | cut -d':' -f5)"
          if [ "x${issuedby}" = "x${keyid}" ]; then
            echo "${fingerprint}"
          fi
          ;;
      esac
    done |
    uniq
  }