f="https://datatracker.ietf.org/doc/html/rfc4880" target="_top">RFC 4880</a>)
   standard.  Supported are both symmetric-key and public-key encryption.
  </p><p>
   An encrypted PGP message consists of 2 parts, or <em class="firstterm">packets</em>:
  </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
     Packet containing a session key — either symmetric-key or public-key
     encrypted.
    </p></li><li class="listitem"><p>
     Packet contai