1
<?xml version='1.0' encoding='UTF-8'?>
1
<?xml version="1.0" encoding="UTF-8"?>
2
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
3
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
<!ENTITY VERSION "1.0">
5
4
<!ENTITY COMMANDNAME "mandos-keygen">
5
<!ENTITY TIMESTAMP "2019-07-18">
6
<!ENTITY % common SYSTEM "common.ent">
8
10
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
10
<title>&COMMANDNAME;</title>
11
<!-- NWalsh's docbook scripts use this to generate the footer: -->
12
<productname>&COMMANDNAME;</productname>
13
<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>
16
19
<firstname>Björn</firstname>
17
20
<surname>Påhlsson</surname>
19
<email>belorn@fukt.bsnet.se</email>
22
<email>belorn@recompile.se</email>
23
26
<firstname>Teddy</firstname>
24
27
<surname>Hogeborn</surname>
26
<email>teddy@fukt.bsnet.se</email>
29
<email>teddy@recompile.se</email>
32
<holder>Teddy Hogeborn & Björn Påhlsson</holder>
46
<holder>Teddy Hogeborn</holder>
47
<holder>Björn Påhlsson</holder>
36
This manual page is free software: you can redistribute it
37
and/or modify it under the terms of the GNU General Public
38
License as published by the Free Software Foundation,
39
either version 3 of the License, or (at your option) any
44
This manual page is distributed in the hope that it will
45
be useful, but WITHOUT ANY WARRANTY; without even the
46
implied warranty of MERCHANTABILITY or FITNESS FOR A
47
PARTICULAR PURPOSE. See the GNU General Public License
52
You should have received a copy of the GNU General Public
53
License along with this program; If not, see
54
<ulink url="http://www.gnu.org/licenses/"/>.
49
<xi:include href="legalnotice.xml"/>
60
53
<refentrytitle>&COMMANDNAME;</refentrytitle>
61
54
<manvolnum>8</manvolnum>
65
58
<refname><command>&COMMANDNAME;</command></refname>
67
Generate keys for <citerefentry><refentrytitle>password-request
68
</refentrytitle><manvolnum>8mandos</manvolnum></citerefentry>
60
Generate key and password for Mandos client and server.
74
66
<command>&COMMANDNAME;</command>
76
<arg choice="plain"><option>--dir</option>
77
<replaceable>directory</replaceable></arg>
80
<arg choice="plain"><option>--type</option>
81
<replaceable>type</replaceable></arg>
84
<arg choice="plain"><option>--length</option>
85
<replaceable>bits</replaceable></arg>
88
<arg choice="plain"><option>--name</option>
89
<replaceable>NAME</replaceable></arg>
92
<arg choice="plain"><option>--email</option>
93
<replaceable>EMAIL</replaceable></arg>
96
<arg choice="plain"><option>--comment</option>
97
<replaceable>COMMENT</replaceable></arg>
100
<arg choice="plain"><option>--expire</option>
101
<replaceable>TIME</replaceable></arg>
68
<arg choice="plain"><option>--dir
69
<replaceable>DIRECTORY</replaceable></option></arg>
70
<arg choice="plain"><option>-d
71
<replaceable>DIRECTORY</replaceable></option></arg>
75
<arg choice="plain"><option>--type
76
<replaceable>KEYTYPE</replaceable></option></arg>
77
<arg choice="plain"><option>-t
78
<replaceable>KEYTYPE</replaceable></option></arg>
82
<arg choice="plain"><option>--length
83
<replaceable>BITS</replaceable></option></arg>
84
<arg choice="plain"><option>-l
85
<replaceable>BITS</replaceable></option></arg>
89
<arg choice="plain"><option>--subtype
90
<replaceable>KEYTYPE</replaceable></option></arg>
91
<arg choice="plain"><option>-s
92
<replaceable>KEYTYPE</replaceable></option></arg>
96
<arg choice="plain"><option>--sublength
97
<replaceable>BITS</replaceable></option></arg>
98
<arg choice="plain"><option>-L
99
<replaceable>BITS</replaceable></option></arg>
103
<arg choice="plain"><option>--name
104
<replaceable>NAME</replaceable></option></arg>
105
<arg choice="plain"><option>-n
106
<replaceable>NAME</replaceable></option></arg>
110
<arg choice="plain"><option>--email
111
<replaceable>ADDRESS</replaceable></option></arg>
112
<arg choice="plain"><option>-e
113
<replaceable>ADDRESS</replaceable></option></arg>
117
<arg choice="plain"><option>--comment
118
<replaceable>TEXT</replaceable></option></arg>
119
<arg choice="plain"><option>-c
120
<replaceable>TEXT</replaceable></option></arg>
124
<arg choice="plain"><option>--expire
125
<replaceable>TIME</replaceable></option></arg>
126
<arg choice="plain"><option>-x
127
<replaceable>TIME</replaceable></option></arg>
131
<arg choice="plain"><option>--tls-keytype
132
<replaceable>KEYTYPE</replaceable></option></arg>
133
<arg choice="plain"><option>-T
134
<replaceable>KEYTYPE</replaceable></option></arg>
104
138
<arg choice="plain"><option>--force</option></arg>
108
<command>&COMMANDNAME;</command>
110
<arg choice="plain"><option>-d</option>
111
<replaceable>directory</replaceable></arg>
114
<arg choice="plain"><option>-t</option>
115
<replaceable>type</replaceable></arg>
118
<arg choice="plain"><option>-l</option>
119
<replaceable>bits</replaceable></arg>
122
<arg choice="plain"><option>-n</option>
123
<replaceable>NAME</replaceable></arg>
126
<arg choice="plain"><option>-e</option>
127
<replaceable>EMAIL</replaceable></arg>
130
<arg choice="plain"><option>-c</option>
131
<replaceable>COMMENT</replaceable></arg>
134
<arg choice="plain"><option>-x</option>
135
<replaceable>TIME</replaceable></arg>
138
139
<arg choice="plain"><option>-f</option></arg>
142
143
<command>&COMMANDNAME;</command>
143
144
<group choice="req">
144
<arg choice='plain'><option>-h</option></arg>
145
<arg choice='plain'><option>--help</option></arg>
149
<command>&COMMANDNAME;</command>
151
<arg choice='plain'><option>-v</option></arg>
152
<arg choice='plain'><option>--version</option></arg>
145
<arg choice="plain"><option>--password</option></arg>
146
<arg choice="plain"><option>-p</option></arg>
147
<arg choice="plain"><option>--passfile
148
<replaceable>FILE</replaceable></option></arg>
149
<arg choice="plain"><option>-F</option>
150
<replaceable>FILE</replaceable></arg>
154
<arg choice="plain"><option>--dir
155
<replaceable>DIRECTORY</replaceable></option></arg>
156
<arg choice="plain"><option>-d
157
<replaceable>DIRECTORY</replaceable></option></arg>
161
<arg choice="plain"><option>--name
162
<replaceable>NAME</replaceable></option></arg>
163
<arg choice="plain"><option>-n
164
<replaceable>NAME</replaceable></option></arg>
167
<arg choice="plain"><option>--no-ssh</option></arg>
168
<arg choice="plain"><option>-S</option></arg>
172
<command>&COMMANDNAME;</command>
174
<arg choice="plain"><option>--help</option></arg>
175
<arg choice="plain"><option>-h</option></arg>
179
<command>&COMMANDNAME;</command>
181
<arg choice="plain"><option>--version</option></arg>
182
<arg choice="plain"><option>-v</option></arg>
155
185
</refsynopsisdiv>
157
187
<refsect1 id="description">
158
188
<title>DESCRIPTION</title>
160
190
<command>&COMMANDNAME;</command> is a program to generate the
162
<citerefentry><refentrytitle>password-request</refentrytitle>
191
TLS and OpenPGP keys used by
192
<citerefentry><refentrytitle>mandos-client</refentrytitle>
163
193
<manvolnum>8mandos</manvolnum></citerefentry>. The keys are
164
normally written to /etc/mandos for later installation into the
165
initrd image, but this, like most things, can be changed with
166
command line options.
194
normally written to /etc/keys/mandos for later installation into
195
the initrd image, but this, and most other things, can be
196
changed with command line options.
199
This program can also be used with the
200
<option>--password</option> or <option>--passfile</option>
201
options to generate a ready-made section for
202
<filename>clients.conf</filename> (see
203
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
204
<manvolnum>5</manvolnum></citerefentry>).
170
208
<refsect1 id="purpose">
171
209
<title>PURPOSE</title>
174
211
The purpose of this is to enable <emphasis>remote and unattended
175
212
rebooting</emphasis> of client host computer with an
176
213
<emphasis>encrypted root file system</emphasis>. See <xref
177
214
linkend="overview"/> for details.
182
218
<refsect1 id="options">
183
219
<title>OPTIONS</title>
187
<term><literal>-h</literal>, <literal>--help</literal></term>
223
<term><option>--help</option></term>
224
<term><option>-h</option></term>
190
227
Show a help message and exit
196
<term><literal>-d</literal>, <literal>--dir
197
<replaceable>directory</replaceable></literal></term>
200
Target directory for key files.
206
<term><literal>-t</literal>, <literal>--type
207
<replaceable>type</replaceable></literal></term>
210
Key type. Default is DSA.
216
<term><literal>-l</literal>, <literal>--length
217
<replaceable>bits</replaceable></literal></term>
220
Key length in bits. Default is 1024.
226
<term><literal>-e</literal>, <literal>--email</literal>
227
<replaceable>address</replaceable></term>
234
<replaceable>DIRECTORY</replaceable></option></term>
236
<replaceable>DIRECTORY</replaceable></option></term>
239
Target directory for key files. Default is <filename
240
class="directory">/etc/keys/mandos</filename>.
247
<replaceable>TYPE</replaceable></option></term>
249
<replaceable>TYPE</replaceable></option></term>
252
OpenPGP key type. Default is <quote>RSA</quote>.
258
<term><option>--length
259
<replaceable>BITS</replaceable></option></term>
261
<replaceable>BITS</replaceable></option></term>
264
OpenPGP key length in bits. Default is 4096.
270
<term><option>--subtype
271
<replaceable>KEYTYPE</replaceable></option></term>
273
<replaceable>KEYTYPE</replaceable></option></term>
276
OpenPGP subkey type. Default is <quote>RSA</quote>
282
<term><option>--sublength
283
<replaceable>BITS</replaceable></option></term>
285
<replaceable>BITS</replaceable></option></term>
288
OpenPGP subkey length in bits. Default is 4096.
294
<term><option>--email
295
<replaceable>ADDRESS</replaceable></option></term>
297
<replaceable>ADDRESS</replaceable></option></term>
230
300
Email address of key. Default is empty.
236
<term><literal>-c</literal>, <literal>--comment</literal>
237
<replaceable>comment</replaceable></term>
306
<term><option>--comment
307
<replaceable>TEXT</replaceable></option></term>
309
<replaceable>TEXT</replaceable></option></term>
240
Comment field for key. The default value is
241
"<literal>Mandos client key</literal>".
312
Comment field for key. Default is empty.
247
<term><literal>-x</literal>, <literal>--expire</literal>
248
<replaceable>time</replaceable></term>
318
<term><option>--expire
319
<replaceable>TIME</replaceable></option></term>
321
<replaceable>TIME</replaceable></option></term>
251
324
Key expire time. Default is no expiration. See
259
<term><literal>-f</literal>, <literal>--force</literal></term>
262
Force overwriting old keys.
332
<term><option>--tls-keytype
333
<replaceable>KEYTYPE</replaceable></option></term>
335
<replaceable>KEYTYPE</replaceable></option></term>
338
TLS key type. Default is <quote>ed25519</quote>
344
<term><option>--force</option></term>
345
<term><option>-f</option></term>
348
Force overwriting old key.
353
<term><option>--password</option></term>
354
<term><option>-p</option></term>
357
Prompt for a password and encrypt it with the key already
358
present in either <filename>/etc/keys/mandos</filename> or
359
the directory specified with the <option>--dir</option>
360
option. Outputs, on standard output, a section suitable
361
for inclusion in <citerefentry><refentrytitle
362
>mandos-clients.conf</refentrytitle><manvolnum
363
>8</manvolnum></citerefentry>. The host name or the name
364
specified with the <option>--name</option> option is used
365
for the section header. All other options are ignored,
366
and no key is created. Note: white space is stripped from
367
the beginning and from the end of the password; See <xref
373
<term><option>--passfile
374
<replaceable>FILE</replaceable></option></term>
376
<replaceable>FILE</replaceable></option></term>
379
The same as <option>--password</option>, but read from
380
<replaceable>FILE</replaceable>, not the terminal, and
381
white space is not stripped from the password in any way.
386
<term><option>--no-ssh</option></term>
387
<term><option>-S</option></term>
390
When <option>--password</option> or
391
<option>--passfile</option> is given, this option will
392
prevent <command>&COMMANDNAME;</command> from calling
393
<command>ssh-keyscan</command> to get an SSH fingerprint
394
for this host and, if successful, output suitable config
395
options to use this fingerprint as a
396
<option>checker</option> option in the output. This is
397
otherwise the default behavior.
269
404
<refsect1 id="overview">
270
405
<title>OVERVIEW</title>
271
406
<xi:include href="overview.xml"/>
273
This program is a small program to generate new OpenPGP keys for
408
This program is a small utility to generate new TLS and OpenPGP
409
keys for new Mandos clients, and to generate sections for
410
inclusion in <filename>clients.conf</filename> on the server.
278
414
<refsect1 id="exit_status">
279
415
<title>EXIT STATUS</title>
281
The exit status will be 0 if new keys were successfully created,
417
The exit status will be 0 if a new key (or password, if the
418
<option>--password</option> option was used) was successfully
419
created, otherwise not.
351
509
Normal invocation needs no options:
354
<userinput>mandos-keygen</userinput>
512
<userinput>&COMMANDNAME;</userinput>
356
514
</informalexample>
357
515
<informalexample>
359
Create keys in another directory and of another type. Force
517
Create key in another directory and of another type. Force
360
518
overwriting old key files:
364
522
<!-- do not wrap this line -->
365
<userinput>mandos-keygen --dir ~/keydir --type RSA --force</userinput>
523
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
529
Prompt for a password, encrypt it with the keys in <filename
530
class="directory">/etc/keys/mandos</filename> and output a
531
section suitable for <filename>clients.conf</filename>.
534
<userinput>&COMMANDNAME; --password</userinput>
539
Prompt for a password, encrypt it with the keys in the
540
<filename>client-key</filename> directory and output a section
541
suitable for <filename>clients.conf</filename>.
545
<!-- do not wrap this line -->
546
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
368
549
</informalexample>
371
552
<refsect1 id="security">
372
553
<title>SECURITY</title>
374
The <option>--type</option> and <option>--length</option>
375
options can be used to create keys of insufficient security. If
376
in doubt, leave them to the default values.
555
The <option>--type</option>, <option>--length</option>,
556
<option>--subtype</option>, and <option>--sublength</option>
557
options can be used to create keys of low security. If in
558
doubt, leave them to the default values.
379
The key expire time is not guaranteed to be honored by
380
<citerefentry><refentrytitle>mandos</refentrytitle>
561
The key expire time is <emphasis>not</emphasis> guaranteed to be
562
honored by <citerefentry><refentrytitle>mandos</refentrytitle>
381
563
<manvolnum>8</manvolnum></citerefentry>.
385
567
<refsect1 id="see_also">
386
568
<title>SEE ALSO</title>
388
<citerefentry><refentrytitle>password-request</refentrytitle>
570
<citerefentry><refentrytitle>intro</refentrytitle>
389
571
<manvolnum>8mandos</manvolnum></citerefentry>,
390
<citerefentry><refentrytitle>mandos</refentrytitle>
391
<manvolnum>8</manvolnum></citerefentry>, and
392
572
<citerefentry><refentrytitle>gpg</refentrytitle>
573
<manvolnum>1</manvolnum></citerefentry>,
574
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
575
<manvolnum>5</manvolnum></citerefentry>,
576
<citerefentry><refentrytitle>mandos</refentrytitle>
577
<manvolnum>8</manvolnum></citerefentry>,
578
<citerefentry><refentrytitle>mandos-client</refentrytitle>
579
<manvolnum>8mandos</manvolnum></citerefentry>,
580
<citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
393
581
<manvolnum>1</manvolnum></citerefentry>
586
<!-- Local Variables: -->
587
<!-- time-stamp-start: "<!ENTITY TIMESTAMP [\"']" -->
588
<!-- time-stamp-end: "[\"']>" -->
589
<!-- time-stamp-format: "%:y-%02m-%02d" -->