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  • Committer: Teddy Hogeborn
  • Date: 2008-07-22 06:23:59 UTC
  • mfrom: (24.1.1 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20080722062359-qti3ecst69bq3ltk
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mandos-keygen.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
 
<!ENTITY VERSION "1.0">
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<!ENTITY COMMANDNAME "mandos-keygen">
6
 
<!ENTITY TIMESTAMP "2008-08-31">
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]>
8
 
 
9
 
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
10
 
  <refentryinfo>
11
 
    <title>Mandos Manual</title>
12
 
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
13
 
    <productname>Mandos</productname>
14
 
    <productnumber>&VERSION;</productnumber>
15
 
    <date>&TIMESTAMP;</date>
16
 
    <authorgroup>
17
 
      <author>
18
 
        <firstname>Björn</firstname>
19
 
        <surname>Påhlsson</surname>
20
 
        <address>
21
 
          <email>belorn@fukt.bsnet.se</email>
22
 
        </address>
23
 
      </author>
24
 
      <author>
25
 
        <firstname>Teddy</firstname>
26
 
        <surname>Hogeborn</surname>
27
 
        <address>
28
 
          <email>teddy@fukt.bsnet.se</email>
29
 
        </address>
30
 
      </author>
31
 
    </authorgroup>
32
 
    <copyright>
33
 
      <year>2008</year>
34
 
      <holder>Teddy Hogeborn</holder>
35
 
      <holder>Björn Påhlsson</holder>
36
 
    </copyright>
37
 
    <legalnotice>
38
 
      <para>
39
 
        This manual page is free software: you can redistribute it
40
 
        and/or modify it under the terms of the GNU General Public
41
 
        License as published by the Free Software Foundation,
42
 
        either version 3 of the License, or (at your option) any
43
 
        later version.
44
 
      </para>
45
 
 
46
 
      <para>
47
 
        This manual page is distributed in the hope that it will
48
 
        be useful, but WITHOUT ANY WARRANTY; without even the
49
 
        implied warranty of MERCHANTABILITY or FITNESS FOR A
50
 
        PARTICULAR PURPOSE.  See the GNU General Public License
51
 
        for more details.
52
 
      </para>
53
 
 
54
 
      <para>
55
 
        You should have received a copy of the GNU General Public
56
 
        License along with this program; If not, see
57
 
        <ulink url="http://www.gnu.org/licenses/"/>.
58
 
      </para>
59
 
    </legalnotice>
60
 
  </refentryinfo>
61
 
 
62
 
  <refmeta>
63
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
64
 
    <manvolnum>8</manvolnum>
65
 
  </refmeta>
66
 
  
67
 
  <refnamediv>
68
 
    <refname><command>&COMMANDNAME;</command></refname>
69
 
    <refpurpose>
70
 
      Generate key and password for Mandos client and server.
71
 
    </refpurpose>
72
 
  </refnamediv>
73
 
 
74
 
  <refsynopsisdiv>
75
 
    <cmdsynopsis>
76
 
      <command>&COMMANDNAME;</command>
77
 
      <group>
78
 
        <arg choice="plain"><option>--dir
79
 
        <replaceable>DIRECTORY</replaceable></option></arg>
80
 
        <arg choice="plain"><option>-d
81
 
        <replaceable>DIRECTORY</replaceable></option></arg>
82
 
      </group>
83
 
      <sbr/>
84
 
      <group>
85
 
        <arg choice="plain"><option>--type
86
 
        <replaceable>KEYTYPE</replaceable></option></arg>
87
 
        <arg choice="plain"><option>-t
88
 
        <replaceable>KEYTYPE</replaceable></option></arg>
89
 
      </group>
90
 
      <sbr/>
91
 
      <group>
92
 
        <arg choice="plain"><option>--length
93
 
        <replaceable>BITS</replaceable></option></arg>
94
 
        <arg choice="plain"><option>-l
95
 
        <replaceable>BITS</replaceable></option></arg>
96
 
      </group>
97
 
      <sbr/>
98
 
      <group>
99
 
        <arg choice="plain"><option>--subtype
100
 
        <replaceable>KEYTYPE</replaceable></option></arg>
101
 
        <arg choice="plain"><option>-s
102
 
        <replaceable>KEYTYPE</replaceable></option></arg>
103
 
      </group>
104
 
      <sbr/>
105
 
      <group>
106
 
        <arg choice="plain"><option>--sublength
107
 
        <replaceable>BITS</replaceable></option></arg>
108
 
        <arg choice="plain"><option>-L
109
 
        <replaceable>BITS</replaceable></option></arg>
110
 
      </group>
111
 
      <sbr/>
112
 
      <group>
113
 
        <arg choice="plain"><option>--name
114
 
        <replaceable>NAME</replaceable></option></arg>
115
 
        <arg choice="plain"><option>-n
116
 
        <replaceable>NAME</replaceable></option></arg>
117
 
      </group>
118
 
      <sbr/>
119
 
      <group>
120
 
        <arg choice="plain"><option>--email
121
 
        <replaceable>ADDRESS</replaceable></option></arg>
122
 
        <arg choice="plain"><option>-e
123
 
        <replaceable>ADDRESS</replaceable></option></arg>
124
 
      </group>
125
 
      <sbr/>
126
 
      <group>
127
 
        <arg choice="plain"><option>--comment
128
 
        <replaceable>TEXT</replaceable></option></arg>
129
 
        <arg choice="plain"><option>-c
130
 
        <replaceable>TEXT</replaceable></option></arg>
131
 
      </group>
132
 
      <sbr/>
133
 
      <group>
134
 
        <arg choice="plain"><option>--expire
135
 
        <replaceable>TIME</replaceable></option></arg>
136
 
        <arg choice="plain"><option>-x
137
 
        <replaceable>TIME</replaceable></option></arg>
138
 
      </group>
139
 
      <sbr/>
140
 
      <arg><option>--force</option></arg>
141
 
    </cmdsynopsis>
142
 
    <cmdsynopsis>
143
 
      <command>&COMMANDNAME;</command>
144
 
      <group choice="req">
145
 
        <arg choice="plain"><option>--password</option></arg>
146
 
        <arg choice="plain"><option>-p</option></arg>
147
 
      </group>
148
 
      <sbr/>
149
 
      <group>
150
 
        <arg choice="plain"><option>--dir
151
 
        <replaceable>DIRECTORY</replaceable></option></arg>
152
 
        <arg choice="plain"><option>-d
153
 
        <replaceable>DIRECTORY</replaceable></option></arg>
154
 
      </group>
155
 
      <sbr/>
156
 
      <group>
157
 
        <arg choice="plain"><option>--name
158
 
        <replaceable>NAME</replaceable></option></arg>
159
 
        <arg choice="plain"><option>-n
160
 
        <replaceable>NAME</replaceable></option></arg>
161
 
      </group>
162
 
    </cmdsynopsis>
163
 
    <cmdsynopsis>
164
 
      <command>&COMMANDNAME;</command>
165
 
      <group choice="req">
166
 
        <arg choice="plain"><option>--help</option></arg>
167
 
        <arg choice="plain"><option>-h</option></arg>
168
 
      </group>
169
 
    </cmdsynopsis>
170
 
    <cmdsynopsis>
171
 
      <command>&COMMANDNAME;</command>
172
 
      <group choice="req">
173
 
        <arg choice="plain"><option>--version</option></arg>
174
 
        <arg choice="plain"><option>-v</option></arg>
175
 
      </group>
176
 
    </cmdsynopsis>
177
 
  </refsynopsisdiv>
178
 
  
179
 
  <refsect1 id="description">
180
 
    <title>DESCRIPTION</title>
181
 
    <para>
182
 
      <command>&COMMANDNAME;</command> is a program to generate the
183
 
      OpenPGP key used by
184
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
185
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
186
 
      normally written to /etc/mandos for later installation into the
187
 
      initrd image, but this, and most other things, can be changed
188
 
      with command line options.
189
 
    </para>
190
 
    <para>
191
 
      This program can also be used with the
192
 
      <option>--password</option> option to generate a ready-made
193
 
      section for <filename>clients.conf</filename> (see
194
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
195
 
      <manvolnum>5</manvolnum></citerefentry>).
196
 
    </para>
197
 
  </refsect1>
198
 
  
199
 
  <refsect1 id="purpose">
200
 
    <title>PURPOSE</title>
201
 
    <para>
202
 
      The purpose of this is to enable <emphasis>remote and unattended
203
 
      rebooting</emphasis> of client host computer with an
204
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
205
 
      linkend="overview"/> for details.
206
 
    </para>
207
 
  </refsect1>
208
 
  
209
 
  <refsect1 id="options">
210
 
    <title>OPTIONS</title>
211
 
    
212
 
    <variablelist>
213
 
      <varlistentry>
214
 
        <term><option>--help</option></term>
215
 
        <term><option>-h</option></term>
216
 
        <listitem>
217
 
          <para>
218
 
            Show a help message and exit
219
 
          </para>
220
 
        </listitem>
221
 
      </varlistentry>
222
 
 
223
 
      <varlistentry>
224
 
        <term><option>--dir
225
 
        <replaceable>DIRECTORY</replaceable></option></term>
226
 
        <term><option>-d
227
 
        <replaceable>DIRECTORY</replaceable></option></term>
228
 
        <listitem>
229
 
          <para>
230
 
            Target directory for key files.  Default is
231
 
            <filename>/etc/mandos</filename>.
232
 
          </para>
233
 
        </listitem>
234
 
      </varlistentry>
235
 
 
236
 
      <varlistentry>
237
 
        <term><option>--type
238
 
        <replaceable>TYPE</replaceable></option></term>
239
 
        <term><option>-t
240
 
        <replaceable>TYPE</replaceable></option></term>
241
 
        <listitem>
242
 
          <para>
243
 
            Key type.  Default is <quote>DSA</quote>.
244
 
          </para>
245
 
        </listitem>
246
 
      </varlistentry>
247
 
 
248
 
      <varlistentry>
249
 
        <term><option>--length
250
 
        <replaceable>BITS</replaceable></option></term>
251
 
        <term><option>-l
252
 
        <replaceable>BITS</replaceable></option></term>
253
 
        <listitem>
254
 
          <para>
255
 
            Key length in bits.  Default is 2048.
256
 
          </para>
257
 
        </listitem>
258
 
      </varlistentry>
259
 
 
260
 
      <varlistentry>
261
 
        <term><option>--subtype
262
 
        <replaceable>KEYTYPE</replaceable></option></term>
263
 
        <term><option>-s
264
 
        <replaceable>KEYTYPE</replaceable></option></term>
265
 
        <listitem>
266
 
          <para>
267
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
268
 
            encryption-only).
269
 
          </para>
270
 
        </listitem>
271
 
      </varlistentry>
272
 
 
273
 
      <varlistentry>
274
 
        <term><option>--sublength
275
 
        <replaceable>BITS</replaceable></option></term>
276
 
        <term><option>-L
277
 
        <replaceable>BITS</replaceable></option></term>
278
 
        <listitem>
279
 
          <para>
280
 
            Subkey length in bits.  Default is 2048.
281
 
          </para>
282
 
        </listitem>
283
 
      </varlistentry>
284
 
 
285
 
      <varlistentry>
286
 
        <term><option>--email
287
 
        <replaceable>ADDRESS</replaceable></option></term>
288
 
        <term><option>-e
289
 
        <replaceable>ADDRESS</replaceable></option></term>
290
 
        <listitem>
291
 
          <para>
292
 
            Email address of key.  Default is empty.
293
 
          </para>
294
 
        </listitem>
295
 
      </varlistentry>
296
 
 
297
 
      <varlistentry>
298
 
        <term><option>--comment
299
 
        <replaceable>TEXT</replaceable></option></term>
300
 
        <term><option>-c
301
 
        <replaceable>TEXT</replaceable></option></term>
302
 
        <listitem>
303
 
          <para>
304
 
            Comment field for key.  The default value is
305
 
            <quote><literal>Mandos client key</literal></quote>.
306
 
          </para>
307
 
        </listitem>
308
 
      </varlistentry>
309
 
 
310
 
      <varlistentry>
311
 
        <term><option>--expire
312
 
        <replaceable>TIME</replaceable></option></term>
313
 
        <term><option>-x
314
 
        <replaceable>TIME</replaceable></option></term>
315
 
        <listitem>
316
 
          <para>
317
 
            Key expire time.  Default is no expiration.  See
318
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
319
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
320
 
          </para>
321
 
        </listitem>
322
 
      </varlistentry>
323
 
 
324
 
      <varlistentry>
325
 
        <term><option>--force</option></term>
326
 
        <term><option>-f</option></term>
327
 
        <listitem>
328
 
          <para>
329
 
            Force overwriting old key.
330
 
          </para>
331
 
        </listitem>
332
 
      </varlistentry>
333
 
      <varlistentry>
334
 
        <term><option>--password</option></term>
335
 
        <term><option>-p</option></term>
336
 
        <listitem>
337
 
          <para>
338
 
            Prompt for a password and encrypt it with the key already
339
 
            present in either <filename>/etc/mandos</filename> or the
340
 
            directory specified with the <option>--dir</option>
341
 
            option.  Outputs, on standard output, a section suitable
342
 
            for inclusion in <citerefentry><refentrytitle
343
 
            >mandos-clients.conf</refentrytitle><manvolnum
344
 
            >8</manvolnum></citerefentry>.  The host name or the name
345
 
            specified with the <option>--name</option> option is used
346
 
            for the section header.  All other options are ignored,
347
 
            and no key is created.
348
 
          </para>
349
 
        </listitem>
350
 
      </varlistentry>
351
 
    </variablelist>
352
 
  </refsect1>
353
 
 
354
 
  <refsect1 id="overview">
355
 
    <title>OVERVIEW</title>
356
 
    <xi:include href="overview.xml"/>
357
 
    <para>
358
 
      This program is a small utility to generate new OpenPGP keys for
359
 
      new Mandos clients, and to generate sections for inclusion in
360
 
      <filename>clients.conf</filename> on the server.
361
 
    </para>
362
 
  </refsect1>
363
 
 
364
 
  <refsect1 id="exit_status">
365
 
    <title>EXIT STATUS</title>
366
 
    <para>
367
 
      The exit status will be 0 if a new key (or password, if the
368
 
      <option>--password</option> option was used) was successfully
369
 
      created, otherwise not.
370
 
    </para>
371
 
  </refsect1>
372
 
  
373
 
  <refsect1 id="environment">
374
 
    <title>ENVIRONMENT</title>
375
 
    <variablelist>
376
 
      <varlistentry>
377
 
        <term><envar>TMPDIR</envar></term>
378
 
        <listitem>
379
 
          <para>
380
 
            If set, temporary files will be created here. See
381
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
382
 
            <manvolnum>1</manvolnum></citerefentry>.
383
 
          </para>
384
 
        </listitem>
385
 
      </varlistentry>
386
 
    </variablelist>
387
 
  </refsect1>
388
 
  
389
 
  <refsect1 id="file">
390
 
    <title>FILES</title>
391
 
    <para>
392
 
      Use the <option>--dir</option> option to change where
393
 
      <command>&COMMANDNAME;</command> will write the key files.  The
394
 
      default file names are shown here.
395
 
    </para>
396
 
    <variablelist>
397
 
      <varlistentry>
398
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
399
 
        <listitem>
400
 
          <para>
401
 
            OpenPGP secret key file which will be created or
402
 
            overwritten.
403
 
          </para>
404
 
        </listitem>
405
 
      </varlistentry>
406
 
      <varlistentry>
407
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
408
 
        <listitem>
409
 
          <para>
410
 
            OpenPGP public key file which will be created or
411
 
            overwritten.
412
 
          </para>
413
 
        </listitem>
414
 
      </varlistentry>
415
 
      <varlistentry>
416
 
        <term><filename>/tmp</filename></term>
417
 
        <listitem>
418
 
          <para>
419
 
            Temporary files will be written here if
420
 
            <varname>TMPDIR</varname> is not set.
421
 
          </para>
422
 
        </listitem>
423
 
      </varlistentry>
424
 
    </variablelist>
425
 
  </refsect1>
426
 
 
427
 
  <refsect1 id="bugs">
428
 
    <title>BUGS</title>
429
 
    <para>
430
 
      None are known at this time.
431
 
    </para>
432
 
  </refsect1>
433
 
 
434
 
  <refsect1 id="example">
435
 
    <title>EXAMPLE</title>
436
 
    <informalexample>
437
 
      <para>
438
 
        Normal invocation needs no options:
439
 
      </para>
440
 
      <para>
441
 
        <userinput>&COMMANDNAME;</userinput>
442
 
      </para>
443
 
    </informalexample>
444
 
    <informalexample>
445
 
      <para>
446
 
        Create key in another directory and of another type.  Force
447
 
        overwriting old key files:
448
 
      </para>
449
 
      <para>
450
 
 
451
 
<!-- do not wrap this line -->
452
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
453
 
 
454
 
      </para>
455
 
    </informalexample>
456
 
    <informalexample>
457
 
      <para>
458
 
        Prompt for a password, encrypt it with the key in
459
 
        <filename>/etc/mandos</filename> and output a section suitable
460
 
        for <filename>clients.conf</filename>.
461
 
      </para>
462
 
      <para>
463
 
        <userinput>&COMMANDNAME; --password</userinput>
464
 
      </para>
465
 
    </informalexample>
466
 
    <informalexample>
467
 
      <para>
468
 
        Prompt for a password, encrypt it with the key in the
469
 
        <filename>client-key</filename> directory and output a section
470
 
        suitable for <filename>clients.conf</filename>.
471
 
      </para>
472
 
      <para>
473
 
 
474
 
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475
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
476
 
 
477
 
      </para>
478
 
    </informalexample>
479
 
  </refsect1>
480
 
 
481
 
  <refsect1 id="security">
482
 
    <title>SECURITY</title>
483
 
    <para>
484
 
      The <option>--type</option>, <option>--length</option>,
485
 
      <option>--subtype</option>, and <option>--sublength</option>
486
 
      options can be used to create keys of low security.  If in
487
 
      doubt, leave them to the default values.
488
 
    </para>
489
 
    <para>
490
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
491
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
492
 
      <manvolnum>8</manvolnum></citerefentry>.
493
 
    </para>
494
 
  </refsect1>
495
 
 
496
 
  <refsect1 id="see_also">
497
 
    <title>SEE ALSO</title>
498
 
    <para>
499
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
500
 
      <manvolnum>1</manvolnum></citerefentry>,
501
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
502
 
      <manvolnum>5</manvolnum></citerefentry>,
503
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
504
 
      <manvolnum>8</manvolnum></citerefentry>,
505
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
506
 
      <manvolnum>8mandos</manvolnum></citerefentry>
507
 
    </para>
508
 
  </refsect1>
509
 
  
510
 
</refentry>
511
 
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