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+.\" $Id: otp.1,v 1.2 2000/11/29 18:18:22 joda Exp $
+.\"
+.Dd November 17, 1996
+.Dt OTP 1
+.Os KTH-KRB
+.Sh NAME
+.Nm otp
+.Nd
+manages one-time passwords
+.Sh SYNOPSIS
+.Nm otp
+.Op Fl dhlor
+.Op Fl f Ar algorithm
+.Op Fl u Ar user
+.Ar sequence-number
+.Ar seed
+.Sh DESCRIPTION
+The
+.Nm
+program initializes and updates your current series of one-time
+passwords (OTPs).
+.Pp
+Use this to set a new series of one-time passwords.  Only perform this
+on the console or over an encrypted link as you will have to supply
+your pass-phrase.  The other two parameters are
+.Ar sequence-number
+and
+.Ar seed .
+.Pp
+Options are:
+.Bl -tag -width Ds
+.It Fl d
+To delete a one-time password.
+.It Fl f
+Choose a different
+.Ar algorithm
+from the default md5.  Pick any of: md4, md5, and sha.
+.It Fl h
+For getting a help message.
+.It Fl l
+List the current table of one-time passwords.
+.It Fl o
+To open (unlock) the otp-entry for a user.
+.It Fl r
+To renew a one-time password series.  This operation can be performed
+over an potentially eavesdropped link because you do not supply the
+pass-phrase.  First you need to supply the current one-time password
+and then the new one corresponding to the supplied
+.Ar sequence-number
+and
+.Ar seed .
+.It Fl u
+To choose a different
+.Ar user
+to set one-time passwords for.  This only works when running
+.Nm
+as root.
+.El
+.Sh SEE ALSO
+.Xr otpprint 1