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Annotation of 43BSDTahoe/man/man1/xsend.1, revision 1.1

1.1     ! root        1: .\"    @(#)xsend.1     6.1 (Berkeley) 4/29/85
        !             2: .\"
        !             3: .TH XSEND 1 "April 29, 1985"
        !             4: .AT 3
        !             5: .SH NAME
        !             6: xsend, xget, enroll \- secret mail
        !             7: .SH SYNOPSIS
        !             8: .B xsend
        !             9: person
        !            10: .br
        !            11: .B xget
        !            12: .br
        !            13: .B enroll
        !            14: .SH DESCRIPTION
        !            15: These commands implement a secure communication
        !            16: channel;
        !            17: it is like
        !            18: .IR mail (1),
        !            19: but no one can read the messages except the intended recipient.
        !            20: The method embodies a public-key cryptosystem using knapsacks.
        !            21: .PP
        !            22: To receive messages, use
        !            23: .IR enroll ;
        !            24: it asks you for a password that you must subsequently quote
        !            25: in order to receive secret mail.
        !            26: .PP
        !            27: To receive secret mail,
        !            28: use
        !            29: .IR xget .
        !            30: It asks for your password, then gives you the messages.
        !            31: .PP
        !            32: To send secret mail, use
        !            33: .IR xsend
        !            34: in the same manner as the ordinary mail command.
        !            35: (However, it will accept only one target).
        !            36: A message announcing the receipt of secret mail is also sent
        !            37: by ordinary mail.
        !            38: .SH FILES
        !            39: /usr/spool/secretmail/*.key: keys
        !            40: .br
        !            41: /usr/spool/secretmail/*.[0-9]: messages
        !            42: .SH SEE ALSO
        !            43: mail (1)
        !            44: .SH BUGS
        !            45: It should be integrated with ordinary mail.
        !            46: The announcement of secret mail makes traffic analysis possible.

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