-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Tasks:

    Generate your own GPG key (and sign it)
    Export your public key to ASCII format so you can share it with other people
    Import GPG keys of other users (including teacher's key)
    Sign a message with your GPG key
    Sign keys of other people, acquire other people signatures for yourown key
    Import your own GPG key signed by other people (i.e. import signatures)
    Sign and encrypt a messege for the teacher
    Sign and encrypt a message addressed for several (2-3) people at once
    Sign/encrypt message directly in the email program (use mutt for that purpose). 

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