| 1 | .\" Copyright (c) 1996, 2000 Kungliga Tekniska Högskolan
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| 2 | .\" (Royal Institute of Technology, Stockholm, Sweden).
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| 3 | .\" All rights reserved.
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| 4 | .\"
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| 5 | .\" Redistribution and use in source and binary forms, with or without
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| 6 | .\" modification, are permitted provided that the following conditions
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| 7 | .\" are met:
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| 8 | .\"
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| 9 | .\" 1. Redistributions of source code must retain the above copyright
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| 10 | .\" notice, this list of conditions and the following disclaimer.
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| 11 | .\"
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| 12 | .\" 2. Redistributions in binary form must reproduce the above copyright
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| 13 | .\" notice, this list of conditions and the following disclaimer in the
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| 14 | .\" documentation and/or other materials provided with the distribution.
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| 15 | .\"
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| 16 | .\" 3. Neither the name of the Institute nor the names of its contributors
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| 17 | .\" may be used to endorse or promote products derived from this software
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| 18 | .\" without specific prior written permission.
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| 19 | .\"
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| 20 | .\" THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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| 21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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| 24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 30 | .\" SUCH DAMAGE.
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| 31 | .\"
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| 32 | .\" $Id$
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| 33 | .\"
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| 34 | .Dd November 17, 1996
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| 35 | .Dt OTP 1
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| 36 | .Os KTH-KRB
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| 37 | .Sh NAME
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| 38 | .Nm otp
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| 39 | .Nd manages one-time passwords
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| 40 | .Sh SYNOPSIS
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| 41 | .Nm otp
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| 42 | .Op Fl dhlor
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| 43 | .Op Fl f Ar algorithm
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| 44 | .Op Fl u Ar user
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| 45 | .Ar sequence-number
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| 46 | .Ar seed
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| 47 | .Sh DESCRIPTION
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| 48 | The
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| 49 | .Nm
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| 50 | program initializes and updates your current series of one-time
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| 51 | passwords (OTPs).
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| 52 | .Pp
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| 53 | Use this to set a new series of one-time passwords. Only perform this
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| 54 | on the console or over an encrypted link as you will have to supply
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| 55 | your pass-phrase. The other two parameters are
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| 56 | .Ar sequence-number
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| 57 | and
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| 58 | .Ar seed .
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| 59 | .Pp
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| 60 | Options are:
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| 61 | .Bl -tag -width Ds
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| 62 | .It Fl d
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| 63 | To delete a one-time password.
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| 64 | .It Fl f
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| 65 | Choose a different
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| 66 | .Ar algorithm
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| 67 | from the default md5. Pick any of: md4, md5, and sha.
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| 68 | .It Fl h
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| 69 | For getting a help message.
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| 70 | .It Fl l
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| 71 | List the current table of one-time passwords.
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| 72 | .It Fl o
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| 73 | To open (unlock) the otp-entry for a user.
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| 74 | .It Fl r
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| 75 | To renew a one-time password series. This operation can be performed
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| 76 | over an potentially eavesdropped link because you do not supply the
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| 77 | pass-phrase. First you need to supply the current one-time password
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| 78 | and then the new one corresponding to the supplied
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| 79 | .Ar sequence-number
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| 80 | and
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| 81 | .Ar seed .
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| 82 | .It Fl u
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| 83 | To choose a different
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| 84 | .Ar user
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| 85 | to set one-time passwords for. This only works when running
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| 86 | .Nm
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| 87 | as root.
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| 88 | .El
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| 89 | .Sh SEE ALSO
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| 90 | .Xr otpprint 1
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