58
68
<refname><command>&COMMANDNAME;</command></refname>
60
Generate key and password for Mandos client and server.
70
Generate keys for <citerefentry><refentrytitle>password-request
71
</refentrytitle><manvolnum>8mandos</manvolnum></citerefentry>
66
77
<command>&COMMANDNAME;</command>
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>
79
<arg choice="plain"><option>--dir</option>
80
<replaceable>directory</replaceable></arg>
83
<arg choice="plain"><option>--type</option>
84
<replaceable>type</replaceable></arg>
87
<arg choice="plain"><option>--length</option>
88
<replaceable>bits</replaceable></arg>
91
<arg choice="plain"><option>--subtype</option>
92
<replaceable>type</replaceable></arg>
95
<arg choice="plain"><option>--sublength</option>
96
<replaceable>bits</replaceable></arg>
99
<arg choice="plain"><option>--name</option>
100
<replaceable>NAME</replaceable></arg>
103
<arg choice="plain"><option>--email</option>
104
<replaceable>EMAIL</replaceable></arg>
107
<arg choice="plain"><option>--comment</option>
108
<replaceable>COMMENT</replaceable></arg>
111
<arg choice="plain"><option>--expire</option>
112
<replaceable>TIME</replaceable></arg>
138
115
<arg choice="plain"><option>--force</option></arg>
119
<command>&COMMANDNAME;</command>
121
<arg choice="plain"><option>-d</option>
122
<replaceable>directory</replaceable></arg>
125
<arg choice="plain"><option>-t</option>
126
<replaceable>type</replaceable></arg>
129
<arg choice="plain"><option>-l</option>
130
<replaceable>bits</replaceable></arg>
133
<arg choice="plain"><option>-s</option>
134
<replaceable>type</replaceable></arg>
137
<arg choice="plain"><option>-L</option>
138
<replaceable>bits</replaceable></arg>
141
<arg choice="plain"><option>-n</option>
142
<replaceable>NAME</replaceable></arg>
145
<arg choice="plain"><option>-e</option>
146
<replaceable>EMAIL</replaceable></arg>
149
<arg choice="plain"><option>-c</option>
150
<replaceable>COMMENT</replaceable></arg>
153
<arg choice="plain"><option>-x</option>
154
<replaceable>TIME</replaceable></arg>
139
157
<arg choice="plain"><option>-f</option></arg>
143
161
<command>&COMMANDNAME;</command>
144
162
<group choice="req">
163
<arg choice="plain"><option>-p</option></arg>
145
164
<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>
167
<arg choice="plain"><option>--dir</option>
168
<replaceable>directory</replaceable></arg>
171
<arg choice="plain"><option>--name</option>
172
<replaceable>NAME</replaceable></arg>
172
176
<command>&COMMANDNAME;</command>
173
177
<group choice="req">
178
<arg choice="plain"><option>-h</option></arg>
174
179
<arg choice="plain"><option>--help</option></arg>
175
<arg choice="plain"><option>-h</option></arg>
179
183
<command>&COMMANDNAME;</command>
180
184
<group choice="req">
185
<arg choice="plain"><option>-v</option></arg>
181
186
<arg choice="plain"><option>--version</option></arg>
182
<arg choice="plain"><option>-v</option></arg>
185
189
</refsynopsisdiv>
187
191
<refsect1 id="description">
188
192
<title>DESCRIPTION</title>
190
194
<command>&COMMANDNAME;</command> is a program to generate the
191
TLS and OpenPGP keys used by
192
<citerefentry><refentrytitle>mandos-client</refentrytitle>
196
<citerefentry><refentrytitle>password-request</refentrytitle>
193
197
<manvolnum>8mandos</manvolnum></citerefentry>. The keys are
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.
198
normally written to /etc/mandos for later installation into the
199
initrd image, but this, like most things, can be changed with
200
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
It can also be used to generate ready-made sections for
203
204
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
204
<manvolnum>5</manvolnum></citerefentry>).
205
<manvolnum>5</manvolnum></citerefentry> using the
206
<option>--password</option> option.
208
210
<refsect1 id="purpose">
209
211
<title>PURPOSE</title>
211
214
The purpose of this is to enable <emphasis>remote and unattended
212
215
rebooting</emphasis> of client host computer with an
213
216
<emphasis>encrypted root file system</emphasis>. See <xref
214
217
linkend="overview"/> for details.
218
222
<refsect1 id="options">
219
223
<title>OPTIONS</title>
223
<term><option>--help</option></term>
224
<term><option>-h</option></term>
227
<term><literal>-h</literal>, <literal>--help</literal></term>
227
230
Show a help message and exit
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>
236
<term><literal>-d</literal>, <literal>--dir
237
<replaceable>directory</replaceable></literal></term>
240
Target directory for key files. Default is
241
<filename>/etc/mandos</filename>.
247
<term><literal>-t</literal>, <literal>--type
248
<replaceable>type</replaceable></literal></term>
251
Key type. Default is <quote>DSA</quote>.
257
<term><literal>-l</literal>, <literal>--length
258
<replaceable>bits</replaceable></literal></term>
261
Key length in bits. Default is 2048.
267
<term><literal>-s</literal>, <literal>--subtype
268
<replaceable>type</replaceable></literal></term>
271
Subkey type. Default is <quote>ELG-E</quote> (Elgamal
278
<term><literal>-L</literal>, <literal>--sublength
279
<replaceable>bits</replaceable></literal></term>
282
Subkey length in bits. Default is 2048.
288
<term><literal>-e</literal>, <literal>--email</literal>
289
<replaceable>address</replaceable></term>
300
292
Email address of key. Default is empty.
306
<term><option>--comment
307
<replaceable>TEXT</replaceable></option></term>
309
<replaceable>TEXT</replaceable></option></term>
298
<term><literal>-c</literal>, <literal>--comment</literal>
299
<replaceable>comment</replaceable></term>
312
Comment field for key. Default is empty.
302
Comment field for key. The default value is
303
<quote><literal>Mandos client key</literal></quote>.
318
<term><option>--expire
319
<replaceable>TIME</replaceable></option></term>
321
<replaceable>TIME</replaceable></option></term>
309
<term><literal>-x</literal>, <literal>--expire</literal>
310
<replaceable>time</replaceable></term>
324
313
Key expire time. Default is no expiration. See
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>
321
<term><literal>-f</literal>, <literal>--force</literal></term>
324
Force overwriting old keys.
329
<term><literal>-p</literal>, <literal>--password</literal
357
333
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>
334
present in either <filename>/etc/mandos</filename> or the
335
directory specified with the <option>--dir</option>
360
336
option. Outputs, on standard output, a section suitable
361
337
for inclusion in <citerefentry><refentrytitle
362
338
>mandos-clients.conf</refentrytitle><manvolnum
363
339
>8</manvolnum></citerefentry>. The host name or the name
364
340
specified with the <option>--name</option> option is used
365
341
for the section header. All other options are ignored,
366
and no key is created.
371
<term><option>--passfile
372
<replaceable>FILE</replaceable></option></term>
374
<replaceable>FILE</replaceable></option></term>
377
The same as <option>--password</option>, but read from
378
<replaceable>FILE</replaceable>, not the terminal.
383
<term><option>--no-ssh</option></term>
384
<term><option>-S</option></term>
387
When <option>--password</option> or
388
<option>--passfile</option> is given, this option will
389
prevent <command>&COMMANDNAME;</command> from calling
390
<command>ssh-keyscan</command> to get an SSH fingerprint
391
for this host and, if successful, output suitable config
392
options to use this fingerprint as a
393
<option>checker</option> option in the output. This is
394
otherwise the default behavior.
342
and no keys are created.
401
349
<refsect1 id="overview">
402
350
<title>OVERVIEW</title>
403
351
<xi:include href="overview.xml"/>
405
This program is a small utility to generate new TLS and OpenPGP
406
keys for new Mandos clients, and to generate sections for
407
inclusion in <filename>clients.conf</filename> on the server.
353
This program is a small utility to generate new OpenPGP keys for
411
358
<refsect1 id="exit_status">
412
359
<title>EXIT STATUS</title>
414
The exit status will be 0 if a new key (or password, if the
415
<option>--password</option> option was used) was successfully
416
created, otherwise not.
361
The exit status will be 0 if new keys were successfully created,
499
431
Normal invocation needs no options:
502
<userinput>&COMMANDNAME;</userinput>
434
<userinput>mandos-keygen</userinput>
504
436
</informalexample>
505
437
<informalexample>
507
Create key in another directory and of another type. Force
439
Create keys in another directory and of another type. Force
508
440
overwriting old key files:
512
444
<!-- do not wrap this line -->
513
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
519
Prompt for a password, encrypt it with the keys in <filename
520
class="directory">/etc/keys/mandos</filename> and output a
521
section suitable for <filename>clients.conf</filename>.
524
<userinput>&COMMANDNAME; --password</userinput>
529
Prompt for a password, encrypt it with the keys in the
530
<filename>client-key</filename> directory and output a section
531
suitable for <filename>clients.conf</filename>.
535
<!-- do not wrap this line -->
536
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
445
<userinput>mandos-keygen --dir ~/keydir --type RSA --force</userinput>
539
448
</informalexample>
542
451
<refsect1 id="security">
543
452
<title>SECURITY</title>
545
454
The <option>--type</option>, <option>--length</option>,
546
455
<option>--subtype</option>, and <option>--sublength</option>
547
options can be used to create keys of low security. If in
548
doubt, leave them to the default values.
456
options can be used to create keys of insufficient security. If
457
in doubt, leave them to the default values.
551
The key expire time is <emphasis>not</emphasis> guaranteed to be
552
honored by <citerefentry><refentrytitle>mandos</refentrytitle>
460
The key expire time is not guaranteed to be honored by
461
<citerefentry><refentrytitle>mandos</refentrytitle>
553
462
<manvolnum>8</manvolnum></citerefentry>.
557
466
<refsect1 id="see_also">
558
467
<title>SEE ALSO</title>
560
<citerefentry><refentrytitle>intro</refentrytitle>
469
<citerefentry><refentrytitle>password-request</refentrytitle>
561
470
<manvolnum>8mandos</manvolnum></citerefentry>,
471
<citerefentry><refentrytitle>mandos</refentrytitle>
472
<manvolnum>8</manvolnum></citerefentry>,
562
473
<citerefentry><refentrytitle>gpg</refentrytitle>
563
<manvolnum>1</manvolnum></citerefentry>,
564
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
565
<manvolnum>5</manvolnum></citerefentry>,
566
<citerefentry><refentrytitle>mandos</refentrytitle>
567
<manvolnum>8</manvolnum></citerefentry>,
568
<citerefentry><refentrytitle>mandos-client</refentrytitle>
569
<manvolnum>8mandos</manvolnum></citerefentry>,
570
<citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
571
474
<manvolnum>1</manvolnum></citerefentry>