1
<?xml version='1.0' encoding='UTF-8'?>
2
<?xml-stylesheet type="text/xsl"
3
href="http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"?>
1
<?xml version="1.0" encoding="UTF-8"?>
4
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
5
3
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
6
<!ENTITY VERSION "1.0">
7
4
<!ENTITY COMMANDNAME "mandos-keygen">
5
<!ENTITY TIMESTAMP "2015-07-20">
6
<!ENTITY % common SYSTEM "common.ent">
10
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
12
<title>&COMMANDNAME;</title>
13
<!-- NWalsh's docbook scripts use this to generate the footer: -->
14
<productname>&COMMANDNAME;</productname>
15
<productnumber>&VERSION;</productnumber>
12
<title>Mandos Manual</title>
13
<!-- NWalsh’s docbook scripts use this to generate the footer: -->
14
<productname>Mandos</productname>
15
<productnumber>&version;</productnumber>
16
<date>&TIMESTAMP;</date>
18
19
<firstname>Björn</firstname>
19
20
<surname>Påhlsson</surname>
21
<email>belorn@fukt.bsnet.se</email>
22
<email>belorn@recompile.se</email>
25
26
<firstname>Teddy</firstname>
26
27
<surname>Hogeborn</surname>
28
<email>teddy@fukt.bsnet.se</email>
29
<email>teddy@recompile.se</email>
34
<holder>Teddy Hogeborn & Björn Påhlsson</holder>
42
<holder>Teddy Hogeborn</holder>
43
<holder>Björn Påhlsson</holder>
38
This manual page is free software: you can redistribute it
39
and/or modify it under the terms of the GNU General Public
40
License as published by the Free Software Foundation,
41
either version 3 of the License, or (at your option) any
46
This manual page is distributed in the hope that it will
47
be useful, but WITHOUT ANY WARRANTY; without even the
48
implied warranty of MERCHANTABILITY or FITNESS FOR A
49
PARTICULAR PURPOSE. See the GNU General Public License
54
You should have received a copy of the GNU General Public
55
License along with this program; If not, see
56
<ulink url="http://www.gnu.org/licenses/"/>.
45
<xi:include href="legalnotice.xml"/>
62
49
<refentrytitle>&COMMANDNAME;</refentrytitle>
63
50
<manvolnum>8</manvolnum>
67
54
<refname><command>&COMMANDNAME;</command></refname>
69
Generate keys for <citerefentry><refentrytitle>password-request
70
</refentrytitle><manvolnum>8mandos</manvolnum></citerefentry>
56
Generate key and password for Mandos client and server.
76
62
<command>&COMMANDNAME;</command>
78
<arg choice="plain"><option>--dir</option>
79
<replaceable>directory</replaceable></arg>
82
<arg choice="plain"><option>--type</option>
83
<replaceable>type</replaceable></arg>
86
<arg choice="plain"><option>--length</option>
87
<replaceable>bits</replaceable></arg>
90
<arg choice="plain"><option>--name</option>
91
<replaceable>NAME</replaceable></arg>
94
<arg choice="plain"><option>--email</option>
95
<replaceable>EMAIL</replaceable></arg>
98
<arg choice="plain"><option>--comment</option>
99
<replaceable>COMMENT</replaceable></arg>
102
<arg choice="plain"><option>--expire</option>
103
<replaceable>TIME</replaceable></arg>
64
<arg choice="plain"><option>--dir
65
<replaceable>DIRECTORY</replaceable></option></arg>
66
<arg choice="plain"><option>-d
67
<replaceable>DIRECTORY</replaceable></option></arg>
71
<arg choice="plain"><option>--type
72
<replaceable>KEYTYPE</replaceable></option></arg>
73
<arg choice="plain"><option>-t
74
<replaceable>KEYTYPE</replaceable></option></arg>
78
<arg choice="plain"><option>--length
79
<replaceable>BITS</replaceable></option></arg>
80
<arg choice="plain"><option>-l
81
<replaceable>BITS</replaceable></option></arg>
85
<arg choice="plain"><option>--subtype
86
<replaceable>KEYTYPE</replaceable></option></arg>
87
<arg choice="plain"><option>-s
88
<replaceable>KEYTYPE</replaceable></option></arg>
92
<arg choice="plain"><option>--sublength
93
<replaceable>BITS</replaceable></option></arg>
94
<arg choice="plain"><option>-L
95
<replaceable>BITS</replaceable></option></arg>
99
<arg choice="plain"><option>--name
100
<replaceable>NAME</replaceable></option></arg>
101
<arg choice="plain"><option>-n
102
<replaceable>NAME</replaceable></option></arg>
106
<arg choice="plain"><option>--email
107
<replaceable>ADDRESS</replaceable></option></arg>
108
<arg choice="plain"><option>-e
109
<replaceable>ADDRESS</replaceable></option></arg>
113
<arg choice="plain"><option>--comment
114
<replaceable>TEXT</replaceable></option></arg>
115
<arg choice="plain"><option>-c
116
<replaceable>TEXT</replaceable></option></arg>
120
<arg choice="plain"><option>--expire
121
<replaceable>TIME</replaceable></option></arg>
122
<arg choice="plain"><option>-x
123
<replaceable>TIME</replaceable></option></arg>
106
127
<arg choice="plain"><option>--force</option></arg>
110
<command>&COMMANDNAME;</command>
112
<arg choice="plain"><option>-d</option>
113
<replaceable>directory</replaceable></arg>
116
<arg choice="plain"><option>-t</option>
117
<replaceable>type</replaceable></arg>
120
<arg choice="plain"><option>-l</option>
121
<replaceable>bits</replaceable></arg>
124
<arg choice="plain"><option>-n</option>
125
<replaceable>NAME</replaceable></arg>
128
<arg choice="plain"><option>-e</option>
129
<replaceable>EMAIL</replaceable></arg>
132
<arg choice="plain"><option>-c</option>
133
<replaceable>COMMENT</replaceable></arg>
136
<arg choice="plain"><option>-x</option>
137
<replaceable>TIME</replaceable></arg>
140
128
<arg choice="plain"><option>-f</option></arg>
144
132
<command>&COMMANDNAME;</command>
145
133
<group choice="req">
146
<arg choice='plain'><option>-h</option></arg>
147
<arg choice='plain'><option>--help</option></arg>
151
<command>&COMMANDNAME;</command>
153
<arg choice='plain'><option>-v</option></arg>
154
<arg choice='plain'><option>--version</option></arg>
134
<arg choice="plain"><option>--password</option></arg>
135
<arg choice="plain"><option>-p</option></arg>
136
<arg choice="plain"><option>--passfile
137
<replaceable>FILE</replaceable></option></arg>
138
<arg choice="plain"><option>-F</option>
139
<replaceable>FILE</replaceable></arg>
143
<arg choice="plain"><option>--dir
144
<replaceable>DIRECTORY</replaceable></option></arg>
145
<arg choice="plain"><option>-d
146
<replaceable>DIRECTORY</replaceable></option></arg>
150
<arg choice="plain"><option>--name
151
<replaceable>NAME</replaceable></option></arg>
152
<arg choice="plain"><option>-n
153
<replaceable>NAME</replaceable></option></arg>
156
<arg choice="plain"><option>--no-ssh</option></arg>
157
<arg choice="plain"><option>-S</option></arg>
161
<command>&COMMANDNAME;</command>
163
<arg choice="plain"><option>--help</option></arg>
164
<arg choice="plain"><option>-h</option></arg>
168
<command>&COMMANDNAME;</command>
170
<arg choice="plain"><option>--version</option></arg>
171
<arg choice="plain"><option>-v</option></arg>
157
174
</refsynopsisdiv>
159
176
<refsect1 id="description">
160
177
<title>DESCRIPTION</title>
162
179
<command>&COMMANDNAME;</command> is a program to generate the
164
<citerefentry><refentrytitle>password-request</refentrytitle>
165
<manvolnum>8mandos</manvolnum></citerefentry>. The keys are
181
<citerefentry><refentrytitle>mandos-client</refentrytitle>
182
<manvolnum>8mandos</manvolnum></citerefentry>. The key is
166
183
normally written to /etc/mandos for later installation into the
167
initrd image, but this, like most things, can be changed with
168
command line options.
184
initrd image, but this, and most other things, can be changed
185
with command line options.
188
This program can also be used with the
189
<option>--password</option> or <option>--passfile</option>
190
options to generate a ready-made section for
191
<filename>clients.conf</filename> (see
192
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
193
<manvolnum>5</manvolnum></citerefentry>).
197
<refsect1 id="purpose">
198
<title>PURPOSE</title>
200
The purpose of this is to enable <emphasis>remote and unattended
201
rebooting</emphasis> of client host computer with an
202
<emphasis>encrypted root file system</emphasis>. See <xref
203
linkend="overview"/> for details.
172
207
<refsect1 id="options">
173
208
<title>OPTIONS</title>
177
<term><literal>-h</literal>, <literal>--help</literal></term>
212
<term><option>--help</option></term>
213
<term><option>-h</option></term>
180
216
Show a help message and exit
186
<term><literal>-d</literal>, <literal>--dir
187
<replaceable>directory</replaceable></literal></term>
190
Target directory for key files.
196
<term><literal>-t</literal>, <literal>--type
197
<replaceable>type</replaceable></literal></term>
200
Key type. Default is DSA.
206
<term><literal>-l</literal>, <literal>--length
207
<replaceable>bits</replaceable></literal></term>
210
Key length in bits. Default is 1024.
216
<term><literal>-e</literal>, <literal>--email</literal>
217
<replaceable>address</replaceable></term>
223
<replaceable>DIRECTORY</replaceable></option></term>
225
<replaceable>DIRECTORY</replaceable></option></term>
228
Target directory for key files. Default is
229
<filename class="directory">/etc/mandos</filename>.
236
<replaceable>TYPE</replaceable></option></term>
238
<replaceable>TYPE</replaceable></option></term>
241
Key type. Default is <quote>RSA</quote>.
247
<term><option>--length
248
<replaceable>BITS</replaceable></option></term>
250
<replaceable>BITS</replaceable></option></term>
253
Key length in bits. Default is 4096.
259
<term><option>--subtype
260
<replaceable>KEYTYPE</replaceable></option></term>
262
<replaceable>KEYTYPE</replaceable></option></term>
265
Subkey type. Default is <quote>RSA</quote> (Elgamal
272
<term><option>--sublength
273
<replaceable>BITS</replaceable></option></term>
275
<replaceable>BITS</replaceable></option></term>
278
Subkey length in bits. Default is 4096.
284
<term><option>--email
285
<replaceable>ADDRESS</replaceable></option></term>
287
<replaceable>ADDRESS</replaceable></option></term>
220
290
Email address of key. Default is empty.
226
<term><literal>-c</literal>, <literal>--comment</literal>
227
<replaceable>comment</replaceable></term>
296
<term><option>--comment
297
<replaceable>TEXT</replaceable></option></term>
299
<replaceable>TEXT</replaceable></option></term>
230
Comment field for key. The default value is
231
"<literal>Mandos client key</literal>".
302
Comment field for key. Default is empty.
237
<term><literal>-x</literal>, <literal>--expire</literal>
238
<replaceable>time</replaceable></term>
308
<term><option>--expire
309
<replaceable>TIME</replaceable></option></term>
311
<replaceable>TIME</replaceable></option></term>
241
314
Key expire time. Default is no expiration. See
249
<term><literal>-f</literal>, <literal>--force</literal></term>
252
Force overwriting old keys.
322
<term><option>--force</option></term>
323
<term><option>-f</option></term>
326
Force overwriting old key.
331
<term><option>--password</option></term>
332
<term><option>-p</option></term>
335
Prompt for a password and encrypt it with the key already
336
present in either <filename>/etc/mandos</filename> or the
337
directory specified with the <option>--dir</option>
338
option. Outputs, on standard output, a section suitable
339
for inclusion in <citerefentry><refentrytitle
340
>mandos-clients.conf</refentrytitle><manvolnum
341
>8</manvolnum></citerefentry>. The host name or the name
342
specified with the <option>--name</option> option is used
343
for the section header. All other options are ignored,
344
and no key is created.
349
<term><option>--passfile
350
<replaceable>FILE</replaceable></option></term>
352
<replaceable>FILE</replaceable></option></term>
355
The same as <option>--password</option>, but read from
356
<replaceable>FILE</replaceable>, not the terminal.
361
<term><option>--no-ssh</option></term>
362
<term><option>-S</option></term>
365
When <option>--password</option> or
366
<option>--passfile</option> is given, this option will
367
prevent <command>&COMMANDNAME;</command> from calling
368
<command>ssh-keyscan</command> to get an SSH fingerprint
369
for this host and, if successful, output suitable config
370
options to use this fingerprint as a
371
<option>checker</option> option in the output. This is
372
otherwise the default behavior.
379
<refsect1 id="overview">
380
<title>OVERVIEW</title>
381
<xi:include href="overview.xml"/>
383
This program is a small utility to generate new OpenPGP keys for
384
new Mandos clients, and to generate sections for inclusion in
385
<filename>clients.conf</filename> on the server.
259
389
<refsect1 id="exit_status">
260
390
<title>EXIT STATUS</title>
392
The exit status will be 0 if a new key (or password, if the
393
<option>--password</option> option was used) was successfully
394
created, otherwise not.
398
<refsect1 id="environment">
399
<title>ENVIRONMENT</title>
402
<term><envar>TMPDIR</envar></term>
405
If set, temporary files will be created here. See
406
<citerefentry><refentrytitle>mktemp</refentrytitle>
407
<manvolnum>1</manvolnum></citerefentry>.
414
<refsect1 id="files">
266
415
<title>FILES</title>
271
<refsect1 id="notes">
283
<refsect1 id="examples">
284
<title>EXAMPLES</title>
417
Use the <option>--dir</option> option to change where
418
<command>&COMMANDNAME;</command> will write the key files. The
419
default file names are shown here.
423
<term><filename>/etc/mandos/seckey.txt</filename></term>
426
OpenPGP secret key file which will be created or
432
<term><filename>/etc/mandos/pubkey.txt</filename></term>
435
OpenPGP public key file which will be created or
441
<term><filename class="directory">/tmp</filename></term>
444
Temporary files will be written here if
445
<varname>TMPDIR</varname> is not set.
452
<!-- <refsect1 id="bugs"> -->
453
<!-- <title>BUGS</title> -->
458
<refsect1 id="example">
459
<title>EXAMPLE</title>
462
Normal invocation needs no options:
465
<userinput>&COMMANDNAME;</userinput>
470
Create key in another directory and of another type. Force
471
overwriting old key files:
475
<!-- do not wrap this line -->
476
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
482
Prompt for a password, encrypt it with the key in <filename
483
class="directory">/etc/mandos</filename> and output a section
484
suitable for <filename>clients.conf</filename>.
487
<userinput>&COMMANDNAME; --password</userinput>
492
Prompt for a password, encrypt it with the key in the
493
<filename>client-key</filename> directory and output a section
494
suitable for <filename>clients.conf</filename>.
498
<!-- do not wrap this line -->
499
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
289
505
<refsect1 id="security">
290
506
<title>SECURITY</title>
508
The <option>--type</option>, <option>--length</option>,
509
<option>--subtype</option>, and <option>--sublength</option>
510
options can be used to create keys of low security. If in
511
doubt, leave them to the default values.
514
The key expire time is <emphasis>not</emphasis> guaranteed to be
515
honored by <citerefentry><refentrytitle>mandos</refentrytitle>
516
<manvolnum>8</manvolnum></citerefentry>.
295
520
<refsect1 id="see_also">
296
521
<title>SEE ALSO</title>
298
<citerefentry><refentrytitle>password-request</refentrytitle>
523
<citerefentry><refentrytitle>intro</refentrytitle>
299
524
<manvolnum>8mandos</manvolnum></citerefentry>,
525
<citerefentry><refentrytitle>gpg</refentrytitle>
526
<manvolnum>1</manvolnum></citerefentry>,
527
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
528
<manvolnum>5</manvolnum></citerefentry>,
300
529
<citerefentry><refentrytitle>mandos</refentrytitle>
301
<manvolnum>8</manvolnum></citerefentry>, and
302
<citerefentry><refentrytitle>gpg</refentrytitle>
530
<manvolnum>8</manvolnum></citerefentry>,
531
<citerefentry><refentrytitle>mandos-client</refentrytitle>
532
<manvolnum>8mandos</manvolnum></citerefentry>,
533
<citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
303
534
<manvolnum>1</manvolnum></citerefentry>
539
<!-- Local Variables: -->
540
<!-- time-stamp-start: "<!ENTITY TIMESTAMP [\"']" -->
541
<!-- time-stamp-end: "[\"']>" -->
542
<!-- time-stamp-format: "%:y-%02m-%02d" -->