2000-12-29 04:42:08 +03:00
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.\" $Id: otp.1,v 1.1.1.2 2000/12/29 01:43:59 assar Exp $
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2000-06-16 22:45:32 +04:00
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.\"
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.Dd November 17, 1996
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.Dt OTP 1
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.Os KTH-KRB
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.Sh NAME
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.Nm otp
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.Nd
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manages one-time passwords
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.Sh SYNOPSIS
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.Ar otp
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.Op Fl r
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.Op Fl d
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.Op Fl o
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.Op Fl l
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.Op Fl h
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.Op Fl f Ar algorithm
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.Op Fl u Ar user
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.Ar sequence-number
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.Ar seed
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.Sh DESCRIPTION
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The
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.Nm
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program initializes and updates your current series of one-time
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passwords (OTPs).
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.Pp
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Use this to set a new series of one-time passwords. Only perform this
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on the console or over an encrypted link as you will have to supply
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your pass-phrase. The other two parameters are
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.Ar sequence-number
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and
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.Ar seed .
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.Pp
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Options are:
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.Bl -tag -width Ds
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.It Fl r
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To renew a one-time password series. This operation can be performed
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over an potentially eavesdropped link because you do not supply the
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pass-phrase. First you need to supply the current one-time password
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and then the new one corresponding to the supplied
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.Ar sequence-number
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and
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.Ar seed .
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.It Fl d
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To delete a one-time password.
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.It Fl o
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To open (unlock) the otp-entry for a user.
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.It Fl l
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List the current table of one-time passwords.
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.It Fl h
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For getting a help message.
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.It Fl f
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Choose a different
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.Ar algorithm
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from the default md5. Pick any of: md4, md5, and sha.
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.It Fl u
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To choose a different
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.Ar user
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to set one-time passwords for. This only works when running
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.Nm
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as root.
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.Sh SEE ALSO
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.Xr otpprint 1
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