PGP encrypting a message

    % cat sample
    This is a sample.

    This is a sample text file.  I created it with an editor.  If it were
    an actual message, it would contain some useful information.

    This has been a sample.
    % pgp -eat sample john
    Pretty Good Privacy(tm) 2.6.2 - Public-key encryption for the masses.
    (c) 1990-1994 Philip Zimmermann, Phil's Pretty Good Software. 11 Oct 94
    Uses the RSAREF(tm) Toolkit, which is copyright RSA Data Security, Inc.
    Distributed by the Massachusetts Institute of Technology.
    Export of this software may be restricted by the U.S. government.
    Current time: 1996/11/09 13:10 GMT


    Recipients' public key(s) will be used to encrypt. 
    Key for user ID: John E Doe <jd@somewhere.net>
    1024-bit key, Key ID F4DD25F1, created 1996/11/07

    WARNING:  Because this public key is not certified with a trusted
    signature, it is not known with high confidence that this public key
    actually belongs to: "John E Doe <jd@somewhere.net>".

    Are you sure you want to use this public key (y/N)? y
    .
    Transport armor file: sample.asc
    % cat sample.asc
    -----BEGIN PGP MESSAGE-----
    Version: 2.6.2

    hIwD1vwet/TdJfEBBACdcCPkNI3kRwYqtHUyfpvVAY5rt+Lb9P6EztNd4sYq9egV
    CZjfqcCn36XZmYPbbO6nZbl992kPRFzTgCRszKNPtlk6Wa93AqXs3KCZp+4emXQh
    7moE+XTf4QUGJZ2L3w/sSNs5WFkZRIbto0ivK1aRlX1XTqhPqo9HbgEfElBVUaYA
    AACQEWaOS3/h6BVLHTfXaK20vmLcg9BUisB5RDvYGLZv9XFwHMMjctFJJQYnWIOp
    +7LLkmNO5fE48rWh0EOAwjAeduGzJGQb4yiE7OlxoESmmTJQ+qO1K2nDz8Stk3a6
    WvAQJrpEUY7Og8QGlQQRPKl2F++j6XbIhZ27OeYqJp+vgylUd874KDMCcTrzF3ph
    /Qfi
    =xTV9
    -----END PGP MESSAGE-----
    %