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  • Committer: Teddy Hogeborn
  • Date: 2008-08-08 23:28:55 UTC
  • mfrom: (24.1.25 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20080808232855-2hcaxr9jwwmvetx4
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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"
3
 
        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY VERSION "1.0">
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<!ENTITY COMMANDNAME "mandos-keygen">
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<!ENTITY TIMESTAMP "2008-08-29">
7
 
]>
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 keys for <citerefentry><refentrytitle>password-request
71
 
      </refentrytitle><manvolnum>8mandos</manvolnum></citerefentry>
72
 
    </refpurpose>
73
 
  </refnamediv>
74
 
 
75
 
  <refsynopsisdiv>
76
 
    <cmdsynopsis>
77
 
      <command>&COMMANDNAME;</command>
78
 
      <group choice="opt">
79
 
        <arg choice="plain"><option>--dir</option>
80
 
        <replaceable>directory</replaceable></arg>
81
 
      </group>
82
 
      <group choice="opt">
83
 
        <arg choice="plain"><option>--type</option>
84
 
        <replaceable>type</replaceable></arg>
85
 
      </group>
86
 
      <group choice="opt">
87
 
        <arg choice="plain"><option>--length</option>
88
 
        <replaceable>bits</replaceable></arg>
89
 
      </group>
90
 
      <group choice="opt">
91
 
        <arg choice="plain"><option>--subtype</option>
92
 
        <replaceable>type</replaceable></arg>
93
 
      </group>
94
 
      <group choice="opt">
95
 
        <arg choice="plain"><option>--sublength</option>
96
 
        <replaceable>bits</replaceable></arg>
97
 
      </group>
98
 
      <group choice="opt">
99
 
        <arg choice="plain"><option>--name</option>
100
 
        <replaceable>NAME</replaceable></arg>
101
 
      </group>
102
 
      <group choice="opt">
103
 
        <arg choice="plain"><option>--email</option>
104
 
        <replaceable>EMAIL</replaceable></arg>
105
 
      </group>
106
 
      <group choice="opt">
107
 
        <arg choice="plain"><option>--comment</option>
108
 
        <replaceable>COMMENT</replaceable></arg>
109
 
      </group>
110
 
      <group choice="opt">
111
 
        <arg choice="plain"><option>--expire</option>
112
 
        <replaceable>TIME</replaceable></arg>
113
 
      </group>
114
 
      <group choice="opt">
115
 
        <arg choice="plain"><option>--force</option></arg>
116
 
      </group>
117
 
    </cmdsynopsis>
118
 
    <cmdsynopsis>
119
 
      <command>&COMMANDNAME;</command>
120
 
      <group choice="opt">
121
 
        <arg choice="plain"><option>-d</option>
122
 
        <replaceable>directory</replaceable></arg>
123
 
      </group>
124
 
      <group choice="opt">
125
 
        <arg choice="plain"><option>-t</option>
126
 
        <replaceable>type</replaceable></arg>
127
 
      </group>
128
 
      <group choice="opt">
129
 
        <arg choice="plain"><option>-l</option>
130
 
        <replaceable>bits</replaceable></arg>
131
 
      </group>
132
 
      <group choice="opt">
133
 
        <arg choice="plain"><option>-s</option>
134
 
        <replaceable>type</replaceable></arg>
135
 
      </group>
136
 
      <group choice="opt">
137
 
        <arg choice="plain"><option>-L</option>
138
 
        <replaceable>bits</replaceable></arg>
139
 
      </group>
140
 
      <group choice="opt">
141
 
        <arg choice="plain"><option>-n</option>
142
 
        <replaceable>NAME</replaceable></arg>
143
 
      </group>
144
 
      <group choice="opt">
145
 
        <arg choice="plain"><option>-e</option>
146
 
        <replaceable>EMAIL</replaceable></arg>
147
 
      </group>
148
 
      <group choice="opt">
149
 
        <arg choice="plain"><option>-c</option>
150
 
        <replaceable>COMMENT</replaceable></arg>
151
 
      </group>
152
 
      <group choice="opt">
153
 
        <arg choice="plain"><option>-x</option>
154
 
        <replaceable>TIME</replaceable></arg>
155
 
      </group>
156
 
      <group choice="opt">
157
 
        <arg choice="plain"><option>-f</option></arg>
158
 
      </group>
159
 
    </cmdsynopsis>
160
 
    <cmdsynopsis>
161
 
      <command>&COMMANDNAME;</command>
162
 
      <group choice="req">
163
 
        <arg choice="plain"><option>-p</option></arg>
164
 
        <arg choice="plain"><option>--password</option></arg>
165
 
      </group>
166
 
      <group choice="opt">
167
 
        <arg choice="plain"><option>--dir</option>
168
 
        <replaceable>directory</replaceable></arg>
169
 
      </group>
170
 
      <group choice="opt">
171
 
        <arg choice="plain"><option>--name</option>
172
 
        <replaceable>NAME</replaceable></arg>
173
 
      </group>
174
 
    </cmdsynopsis>
175
 
    <cmdsynopsis>
176
 
      <command>&COMMANDNAME;</command>
177
 
      <group choice="req">
178
 
        <arg choice="plain"><option>-h</option></arg>
179
 
        <arg choice="plain"><option>--help</option></arg>
180
 
      </group>
181
 
    </cmdsynopsis>
182
 
    <cmdsynopsis>
183
 
      <command>&COMMANDNAME;</command>
184
 
      <group choice="req">
185
 
        <arg choice="plain"><option>-v</option></arg>
186
 
        <arg choice="plain"><option>--version</option></arg>
187
 
      </group>
188
 
    </cmdsynopsis>
189
 
  </refsynopsisdiv>
190
 
 
191
 
  <refsect1 id="description">
192
 
    <title>DESCRIPTION</title>
193
 
    <para>
194
 
      <command>&COMMANDNAME;</command> is a program to generate the
195
 
      OpenPGP keys used by
196
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
197
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The keys are
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.
201
 
    </para>
202
 
    <para>
203
 
      It can also be used to generate ready-made sections for
204
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
205
 
      <manvolnum>5</manvolnum></citerefentry> using the
206
 
      <option>--password</option> option.
207
 
    </para>
208
 
  </refsect1>
209
 
  
210
 
  <refsect1 id="purpose">
211
 
    <title>PURPOSE</title>
212
 
 
213
 
    <para>
214
 
      The purpose of this is to enable <emphasis>remote and unattended
215
 
      rebooting</emphasis> of client host computer with an
216
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
217
 
      linkend="overview"/> for details.
218
 
    </para>
219
 
 
220
 
  </refsect1>
221
 
  
222
 
  <refsect1 id="options">
223
 
    <title>OPTIONS</title>
224
 
 
225
 
    <variablelist>
226
 
      <varlistentry>
227
 
        <term><literal>-h</literal>, <literal>--help</literal></term>
228
 
        <listitem>
229
 
          <para>
230
 
            Show a help message and exit
231
 
          </para>
232
 
        </listitem>
233
 
      </varlistentry>
234
 
 
235
 
      <varlistentry>
236
 
        <term><literal>-d</literal>, <literal>--dir
237
 
        <replaceable>directory</replaceable></literal></term>
238
 
        <listitem>
239
 
          <para>
240
 
            Target directory for key files.  Default is
241
 
            <filename>/etc/mandos</filename>.
242
 
          </para>
243
 
        </listitem>
244
 
      </varlistentry>
245
 
 
246
 
      <varlistentry>
247
 
        <term><literal>-t</literal>, <literal>--type
248
 
        <replaceable>type</replaceable></literal></term>
249
 
        <listitem>
250
 
          <para>
251
 
            Key type.  Default is <quote>DSA</quote>.
252
 
          </para>
253
 
        </listitem>
254
 
      </varlistentry>
255
 
 
256
 
      <varlistentry>
257
 
        <term><literal>-l</literal>, <literal>--length
258
 
        <replaceable>bits</replaceable></literal></term>
259
 
        <listitem>
260
 
          <para>
261
 
            Key length in bits.  Default is 2048.
262
 
          </para>
263
 
        </listitem>
264
 
      </varlistentry>
265
 
 
266
 
      <varlistentry>
267
 
        <term><literal>-s</literal>, <literal>--subtype
268
 
        <replaceable>type</replaceable></literal></term>
269
 
        <listitem>
270
 
          <para>
271
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
272
 
            encryption-only).
273
 
          </para>
274
 
        </listitem>
275
 
      </varlistentry>
276
 
 
277
 
      <varlistentry>
278
 
        <term><literal>-L</literal>, <literal>--sublength
279
 
        <replaceable>bits</replaceable></literal></term>
280
 
        <listitem>
281
 
          <para>
282
 
            Subkey length in bits.  Default is 2048.
283
 
          </para>
284
 
        </listitem>
285
 
      </varlistentry>
286
 
 
287
 
      <varlistentry>
288
 
        <term><literal>-e</literal>, <literal>--email</literal>
289
 
        <replaceable>address</replaceable></term>
290
 
        <listitem>
291
 
          <para>
292
 
            Email address of key.  Default is empty.
293
 
          </para>
294
 
        </listitem>
295
 
      </varlistentry>
296
 
 
297
 
      <varlistentry>
298
 
        <term><literal>-c</literal>, <literal>--comment</literal>
299
 
        <replaceable>comment</replaceable></term>
300
 
        <listitem>
301
 
          <para>
302
 
            Comment field for key.  The default value is
303
 
            <quote><literal>Mandos client key</literal></quote>.
304
 
          </para>
305
 
        </listitem>
306
 
      </varlistentry>
307
 
 
308
 
      <varlistentry>
309
 
        <term><literal>-x</literal>, <literal>--expire</literal>
310
 
        <replaceable>time</replaceable></term>
311
 
        <listitem>
312
 
          <para>
313
 
            Key expire time.  Default is no expiration.  See
314
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
315
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
316
 
          </para>
317
 
        </listitem>
318
 
      </varlistentry>
319
 
 
320
 
      <varlistentry>
321
 
        <term><literal>-f</literal>, <literal>--force</literal></term>
322
 
        <listitem>
323
 
          <para>
324
 
            Force overwriting old keys.
325
 
          </para>
326
 
        </listitem>
327
 
      </varlistentry>
328
 
      <varlistentry>
329
 
        <term><literal>-p</literal>, <literal>--password</literal
330
 
        ></term>
331
 
        <listitem>
332
 
          <para>
333
 
            Prompt for a password and encrypt it with the key already
334
 
            present in either <filename>/etc/mandos</filename> or the
335
 
            directory specified with the <option>--dir</option>
336
 
            option.  Outputs, on standard output, a section suitable
337
 
            for inclusion in <citerefentry><refentrytitle
338
 
            >mandos-clients.conf</refentrytitle><manvolnum
339
 
            >8</manvolnum></citerefentry>.  The host name or the name
340
 
            specified with the <option>--name</option> option is used
341
 
            for the section header.  All other options are ignored,
342
 
            and no keys are created.
343
 
          </para>
344
 
        </listitem>
345
 
      </varlistentry>
346
 
    </variablelist>
347
 
  </refsect1>
348
 
 
349
 
  <refsect1 id="overview">
350
 
    <title>OVERVIEW</title>
351
 
    <xi:include href="overview.xml"/>
352
 
    <para>
353
 
      This program is a small utility to generate new OpenPGP keys for
354
 
      new Mandos clients.
355
 
    </para>
356
 
  </refsect1>
357
 
 
358
 
  <refsect1 id="exit_status">
359
 
    <title>EXIT STATUS</title>
360
 
    <para>
361
 
      The exit status will be 0 if new keys were successfully created,
362
 
      otherwise not.
363
 
    </para>
364
 
  </refsect1>
365
 
  
366
 
  <refsect1 id="environment">
367
 
    <title>ENVIRONMENT</title>
368
 
    <variablelist>
369
 
      <varlistentry>
370
 
        <term><varname>TMPDIR</varname></term>
371
 
        <listitem>
372
 
          <para>
373
 
            If set, temporary files will be created here. See
374
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
375
 
            <manvolnum>1</manvolnum></citerefentry>.
376
 
          </para>
377
 
        </listitem>
378
 
      </varlistentry>
379
 
    </variablelist>
380
 
  </refsect1>
381
 
  
382
 
  <refsect1 id="file">
383
 
    <title>FILES</title>
384
 
    <para>
385
 
      Use the <option>--dir</option> option to change where
386
 
      <command>&COMMANDNAME;</command> will write the key files.  The
387
 
      default file names are shown here.
388
 
    </para>
389
 
    <variablelist>
390
 
      <varlistentry>
391
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
392
 
        <listitem>
393
 
          <para>
394
 
            OpenPGP secret key file which will be created or
395
 
            overwritten.
396
 
          </para>
397
 
        </listitem>
398
 
      </varlistentry>
399
 
      <varlistentry>
400
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
401
 
        <listitem>
402
 
          <para>
403
 
            OpenPGP public key file which will be created or
404
 
            overwritten.
405
 
          </para>
406
 
        </listitem>
407
 
      </varlistentry>
408
 
      <varlistentry>
409
 
        <term><filename>/tmp</filename></term>
410
 
        <listitem>
411
 
          <para>
412
 
            Temporary files will be written here if
413
 
            <varname>TMPDIR</varname> is not set.
414
 
          </para>
415
 
        </listitem>
416
 
      </varlistentry>
417
 
    </variablelist>
418
 
  </refsect1>
419
 
 
420
 
  <refsect1 id="bugs">
421
 
    <title>BUGS</title>
422
 
    <para>
423
 
      None are known at this time.
424
 
    </para>
425
 
  </refsect1>
426
 
 
427
 
  <refsect1 id="example">
428
 
    <title>EXAMPLE</title>
429
 
    <informalexample>
430
 
      <para>
431
 
        Normal invocation needs no options:
432
 
      </para>
433
 
      <para>
434
 
        <userinput>&COMMANDNAME;</userinput>
435
 
      </para>
436
 
    </informalexample>
437
 
    <informalexample>
438
 
      <para>
439
 
        Create keys in another directory and of another type.  Force
440
 
        overwriting old key files:
441
 
      </para>
442
 
      <para>
443
 
 
444
 
<!-- do not wrap this line -->
445
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
446
 
 
447
 
      </para>
448
 
    </informalexample>
449
 
  </refsect1>
450
 
 
451
 
  <refsect1 id="security">
452
 
    <title>SECURITY</title>
453
 
    <para>
454
 
      The <option>--type</option>, <option>--length</option>,
455
 
      <option>--subtype</option>, and <option>--sublength</option>
456
 
      options can be used to create keys of insufficient security.  If
457
 
      in doubt, leave them to the default values.
458
 
    </para>
459
 
    <para>
460
 
      The key expire time is not guaranteed to be honored by
461
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
462
 
      <manvolnum>8</manvolnum></citerefentry>.
463
 
    </para>
464
 
  </refsect1>
465
 
 
466
 
  <refsect1 id="see_also">
467
 
    <title>SEE ALSO</title>
468
 
    <para>
469
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
470
 
      <manvolnum>1</manvolnum></citerefentry>,
471
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
472
 
      <manvolnum>8</manvolnum></citerefentry>,
473
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
474
 
      <manvolnum>8mandos</manvolnum></citerefentry>
475
 
    </para>
476
 
  </refsect1>
477
 
  
478
 
</refentry>
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