50
68
<refname><command>&COMMANDNAME;</command></refname>
52
Generate key and password for Mandos client and server.
70
Generate keys for <citerefentry><refentrytitle>password-request
71
</refentrytitle><manvolnum>8mandos</manvolnum></citerefentry>
58
77
<command>&COMMANDNAME;</command>
60
<arg choice="plain"><option>--dir
61
<replaceable>DIRECTORY</replaceable></option></arg>
62
<arg choice="plain"><option>-d
63
<replaceable>DIRECTORY</replaceable></option></arg>
67
<arg choice="plain"><option>--type
68
<replaceable>KEYTYPE</replaceable></option></arg>
69
<arg choice="plain"><option>-t
70
<replaceable>KEYTYPE</replaceable></option></arg>
74
<arg choice="plain"><option>--length
75
<replaceable>BITS</replaceable></option></arg>
76
<arg choice="plain"><option>-l
77
<replaceable>BITS</replaceable></option></arg>
81
<arg choice="plain"><option>--subtype
82
<replaceable>KEYTYPE</replaceable></option></arg>
83
<arg choice="plain"><option>-s
84
<replaceable>KEYTYPE</replaceable></option></arg>
88
<arg choice="plain"><option>--sublength
89
<replaceable>BITS</replaceable></option></arg>
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<arg choice="plain"><option>-L
91
<replaceable>BITS</replaceable></option></arg>
95
<arg choice="plain"><option>--name
96
<replaceable>NAME</replaceable></option></arg>
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<arg choice="plain"><option>-n
98
<replaceable>NAME</replaceable></option></arg>
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<arg choice="plain"><option>--email
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<replaceable>ADDRESS</replaceable></option></arg>
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<arg choice="plain"><option>-e
105
<replaceable>ADDRESS</replaceable></option></arg>
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<arg choice="plain"><option>--comment
110
<replaceable>TEXT</replaceable></option></arg>
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<arg choice="plain"><option>-c
112
<replaceable>TEXT</replaceable></option></arg>
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<arg choice="plain"><option>--expire
117
<replaceable>TIME</replaceable></option></arg>
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<arg choice="plain"><option>-x
119
<replaceable>TIME</replaceable></option></arg>
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<arg choice="plain"><option>--dir</option>
80
<replaceable>directory</replaceable></arg>
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<arg choice="plain"><option>--type</option>
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<replaceable>type</replaceable></arg>
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<arg choice="plain"><option>--length</option>
88
<replaceable>bits</replaceable></arg>
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<arg choice="plain"><option>--subtype</option>
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<replaceable>type</replaceable></arg>
95
<arg choice="plain"><option>--sublength</option>
96
<replaceable>bits</replaceable></arg>
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<arg choice="plain"><option>--name</option>
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<replaceable>NAME</replaceable></arg>
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<arg choice="plain"><option>--email</option>
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<replaceable>EMAIL</replaceable></arg>
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<arg choice="plain"><option>--comment</option>
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<replaceable>COMMENT</replaceable></arg>
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<arg choice="plain"><option>--expire</option>
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<replaceable>TIME</replaceable></arg>
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<arg choice="plain"><option>--force</option></arg>
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<command>&COMMANDNAME;</command>
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<arg choice="plain"><option>-d</option>
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<replaceable>directory</replaceable></arg>
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<arg choice="plain"><option>-t</option>
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<replaceable>type</replaceable></arg>
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<arg choice="plain"><option>-l</option>
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<replaceable>bits</replaceable></arg>
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<arg choice="plain"><option>-s</option>
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<replaceable>type</replaceable></arg>
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<arg choice="plain"><option>-L</option>
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<replaceable>bits</replaceable></arg>
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<arg choice="plain"><option>-n</option>
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<replaceable>NAME</replaceable></arg>
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<arg choice="plain"><option>-e</option>
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<replaceable>EMAIL</replaceable></arg>
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<arg choice="plain"><option>-c</option>
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<replaceable>COMMENT</replaceable></arg>
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<arg choice="plain"><option>-x</option>
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<replaceable>TIME</replaceable></arg>
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<arg choice="plain"><option>-f</option></arg>
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<command>&COMMANDNAME;</command>
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<group choice="req">
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<arg choice="plain"><option>-p</option></arg>
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<arg choice="plain"><option>--password</option></arg>
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<arg choice="plain"><option>-p</option></arg>
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<arg choice="plain"><option>--passfile
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<replaceable>FILE</replaceable></option></arg>
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<arg choice="plain"><option>-F</option>
135
<replaceable>FILE</replaceable></arg>
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<arg choice="plain"><option>--dir
140
<replaceable>DIRECTORY</replaceable></option></arg>
141
<arg choice="plain"><option>-d
142
<replaceable>DIRECTORY</replaceable></option></arg>
146
<arg choice="plain"><option>--name
147
<replaceable>NAME</replaceable></option></arg>
148
<arg choice="plain"><option>-n
149
<replaceable>NAME</replaceable></option></arg>
152
<arg choice="plain"><option>--no-ssh</option></arg>
153
<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>
157
176
<command>&COMMANDNAME;</command>
158
177
<group choice="req">
178
<arg choice="plain"><option>-h</option></arg>
159
179
<arg choice="plain"><option>--help</option></arg>
160
<arg choice="plain"><option>-h</option></arg>
164
183
<command>&COMMANDNAME;</command>
165
184
<group choice="req">
185
<arg choice="plain"><option>-v</option></arg>
166
186
<arg choice="plain"><option>--version</option></arg>
167
<arg choice="plain"><option>-v</option></arg>
170
189
</refsynopsisdiv>
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191
<refsect1 id="description">
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192
<title>DESCRIPTION</title>
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194
<command>&COMMANDNAME;</command> is a program to generate the
177
<citerefentry><refentrytitle>mandos-client</refentrytitle>
178
<manvolnum>8mandos</manvolnum></citerefentry>. The key is
196
<citerefentry><refentrytitle>password-request</refentrytitle>
197
<manvolnum>8mandos</manvolnum></citerefentry>. The keys are
179
198
normally written to /etc/mandos for later installation into the
180
initrd image, but this, and most other things, can be changed
181
with command line options.
199
initrd image, but this, like most things, can be changed with
200
command line options.
184
This program can also be used with the
185
<option>--password</option> or <option>--passfile</option>
186
options to generate a ready-made section for
187
<filename>clients.conf</filename> (see
203
It can also be used to generate ready-made sections for
188
204
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
189
<manvolnum>5</manvolnum></citerefentry>).
205
<manvolnum>5</manvolnum></citerefentry> using the
206
<option>--password</option> option.
193
210
<refsect1 id="purpose">
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211
<title>PURPOSE</title>
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214
The purpose of this is to enable <emphasis>remote and unattended
197
215
rebooting</emphasis> of client host computer with an
198
216
<emphasis>encrypted root file system</emphasis>. See <xref
199
217
linkend="overview"/> for details.
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222
<refsect1 id="options">
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223
<title>OPTIONS</title>
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<term><option>--help</option></term>
209
<term><option>-h</option></term>
227
<term><literal>-h</literal>, <literal>--help</literal></term>
212
230
Show a help message and exit
219
<replaceable>DIRECTORY</replaceable></option></term>
221
<replaceable>DIRECTORY</replaceable></option></term>
236
<term><literal>-d</literal>, <literal>--dir
237
<replaceable>directory</replaceable></literal></term>
224
240
Target directory for key files. Default is
225
<filename class="directory">/etc/mandos</filename>.
232
<replaceable>TYPE</replaceable></option></term>
234
<replaceable>TYPE</replaceable></option></term>
237
Key type. Default is <quote>RSA</quote>.
243
<term><option>--length
244
<replaceable>BITS</replaceable></option></term>
246
<replaceable>BITS</replaceable></option></term>
249
Key length in bits. Default is 4096.
255
<term><option>--subtype
256
<replaceable>KEYTYPE</replaceable></option></term>
258
<replaceable>KEYTYPE</replaceable></option></term>
261
Subkey type. Default is <quote>RSA</quote> (Elgamal
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
262
272
encryption-only).
268
<term><option>--sublength
269
<replaceable>BITS</replaceable></option></term>
271
<replaceable>BITS</replaceable></option></term>
278
<term><literal>-L</literal>, <literal>--sublength
279
<replaceable>bits</replaceable></literal></term>
274
Subkey length in bits. Default is 4096.
282
Subkey length in bits. Default is 2048.
280
<term><option>--email
281
<replaceable>ADDRESS</replaceable></option></term>
283
<replaceable>ADDRESS</replaceable></option></term>
288
<term><literal>-e</literal>, <literal>--email</literal>
289
<replaceable>address</replaceable></term>
286
292
Email address of key. Default is empty.
292
<term><option>--comment
293
<replaceable>TEXT</replaceable></option></term>
295
<replaceable>TEXT</replaceable></option></term>
298
<term><literal>-c</literal>, <literal>--comment</literal>
299
<replaceable>comment</replaceable></term>
298
Comment field for key. Default is empty.
302
Comment field for key. The default value is
303
<quote><literal>Mandos client key</literal></quote>.
304
<term><option>--expire
305
<replaceable>TIME</replaceable></option></term>
307
<replaceable>TIME</replaceable></option></term>
309
<term><literal>-x</literal>, <literal>--expire</literal>
310
<replaceable>time</replaceable></term>
310
313
Key expire time. Default is no expiration. See
458
431
Normal invocation needs no options:
461
<userinput>&COMMANDNAME;</userinput>
434
<userinput>mandos-keygen</userinput>
463
436
</informalexample>
464
437
<informalexample>
466
Create key in another directory and of another type. Force
439
Create keys in another directory and of another type. Force
467
440
overwriting old key files:
471
444
<!-- do not wrap this line -->
472
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
478
Prompt for a password, encrypt it with the key in <filename
479
class="directory">/etc/mandos</filename> and output a section
480
suitable for <filename>clients.conf</filename>.
483
<userinput>&COMMANDNAME; --password</userinput>
488
Prompt for a password, encrypt it with the key in the
489
<filename>client-key</filename> directory and output a section
490
suitable for <filename>clients.conf</filename>.
494
<!-- do not wrap this line -->
495
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
445
<userinput>mandos-keygen --dir ~/keydir --type RSA --force</userinput>
498
448
</informalexample>
501
451
<refsect1 id="security">
502
452
<title>SECURITY</title>
504
454
The <option>--type</option>, <option>--length</option>,
505
455
<option>--subtype</option>, and <option>--sublength</option>
506
options can be used to create keys of low security. If in
507
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.
510
The key expire time is <emphasis>not</emphasis> guaranteed to be
511
honored by <citerefentry><refentrytitle>mandos</refentrytitle>
460
The key expire time is not guaranteed to be honored by
461
<citerefentry><refentrytitle>mandos</refentrytitle>
512
462
<manvolnum>8</manvolnum></citerefentry>.
516
466
<refsect1 id="see_also">
517
467
<title>SEE ALSO</title>
519
<citerefentry><refentrytitle>intro</refentrytitle>
469
<citerefentry><refentrytitle>password-request</refentrytitle>
520
470
<manvolnum>8mandos</manvolnum></citerefentry>,
471
<citerefentry><refentrytitle>mandos</refentrytitle>
472
<manvolnum>8</manvolnum></citerefentry>,
521
473
<citerefentry><refentrytitle>gpg</refentrytitle>
522
<manvolnum>1</manvolnum></citerefentry>,
523
<citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
524
<manvolnum>5</manvolnum></citerefentry>,
525
<citerefentry><refentrytitle>mandos</refentrytitle>
526
<manvolnum>8</manvolnum></citerefentry>,
527
<citerefentry><refentrytitle>mandos-client</refentrytitle>
528
<manvolnum>8mandos</manvolnum></citerefentry>,
529
<citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
530
474
<manvolnum>1</manvolnum></citerefentry>