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  • Committer: Björn Påhlsson
  • Date: 2008-08-02 21:06:29 UTC
  • mto: (237.7.1 mandos) (24.1.154 mandos)
  • mto: This revision was merged to the branch mainline in revision 38.
  • Revision ID: belorn@braxen-20080802210629-p9jc5515yufcg4ge
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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" [
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<!ENTITY COMMANDNAME "mandos-keygen">
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<!ENTITY TIMESTAMP "2008-10-03">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
11
 
  <refentryinfo>
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>
17
 
    <authorgroup>
18
 
      <author>
19
 
        <firstname>Björn</firstname>
20
 
        <surname>Påhlsson</surname>
21
 
        <address>
22
 
          <email>belorn@fukt.bsnet.se</email>
23
 
        </address>
24
 
      </author>
25
 
      <author>
26
 
        <firstname>Teddy</firstname>
27
 
        <surname>Hogeborn</surname>
28
 
        <address>
29
 
          <email>teddy@fukt.bsnet.se</email>
30
 
        </address>
31
 
      </author>
32
 
    </authorgroup>
33
 
    <copyright>
34
 
      <year>2008</year>
35
 
      <holder>Teddy Hogeborn</holder>
36
 
      <holder>Björn Påhlsson</holder>
37
 
    </copyright>
38
 
    <xi:include href="legalnotice.xml"/>
39
 
  </refentryinfo>
40
 
  
41
 
  <refmeta>
42
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
43
 
    <manvolnum>8</manvolnum>
44
 
  </refmeta>
45
 
  
46
 
  <refnamediv>
47
 
    <refname><command>&COMMANDNAME;</command></refname>
48
 
    <refpurpose>
49
 
      Generate key and password for Mandos client and server.
50
 
    </refpurpose>
51
 
  </refnamediv>
52
 
  
53
 
  <refsynopsisdiv>
54
 
    <cmdsynopsis>
55
 
      <command>&COMMANDNAME;</command>
56
 
      <group>
57
 
        <arg choice="plain"><option>--dir
58
 
        <replaceable>DIRECTORY</replaceable></option></arg>
59
 
        <arg choice="plain"><option>-d
60
 
        <replaceable>DIRECTORY</replaceable></option></arg>
61
 
      </group>
62
 
      <sbr/>
63
 
      <group>
64
 
        <arg choice="plain"><option>--type
65
 
        <replaceable>KEYTYPE</replaceable></option></arg>
66
 
        <arg choice="plain"><option>-t
67
 
        <replaceable>KEYTYPE</replaceable></option></arg>
68
 
      </group>
69
 
      <sbr/>
70
 
      <group>
71
 
        <arg choice="plain"><option>--length
72
 
        <replaceable>BITS</replaceable></option></arg>
73
 
        <arg choice="plain"><option>-l
74
 
        <replaceable>BITS</replaceable></option></arg>
75
 
      </group>
76
 
      <sbr/>
77
 
      <group>
78
 
        <arg choice="plain"><option>--subtype
79
 
        <replaceable>KEYTYPE</replaceable></option></arg>
80
 
        <arg choice="plain"><option>-s
81
 
        <replaceable>KEYTYPE</replaceable></option></arg>
82
 
      </group>
83
 
      <sbr/>
84
 
      <group>
85
 
        <arg choice="plain"><option>--sublength
86
 
        <replaceable>BITS</replaceable></option></arg>
87
 
        <arg choice="plain"><option>-L
88
 
        <replaceable>BITS</replaceable></option></arg>
89
 
      </group>
90
 
      <sbr/>
91
 
      <group>
92
 
        <arg choice="plain"><option>--name
93
 
        <replaceable>NAME</replaceable></option></arg>
94
 
        <arg choice="plain"><option>-n
95
 
        <replaceable>NAME</replaceable></option></arg>
96
 
      </group>
97
 
      <sbr/>
98
 
      <group>
99
 
        <arg choice="plain"><option>--email
100
 
        <replaceable>ADDRESS</replaceable></option></arg>
101
 
        <arg choice="plain"><option>-e
102
 
        <replaceable>ADDRESS</replaceable></option></arg>
103
 
      </group>
104
 
      <sbr/>
105
 
      <group>
106
 
        <arg choice="plain"><option>--comment
107
 
        <replaceable>TEXT</replaceable></option></arg>
108
 
        <arg choice="plain"><option>-c
109
 
        <replaceable>TEXT</replaceable></option></arg>
110
 
      </group>
111
 
      <sbr/>
112
 
      <group>
113
 
        <arg choice="plain"><option>--expire
114
 
        <replaceable>TIME</replaceable></option></arg>
115
 
        <arg choice="plain"><option>-x
116
 
        <replaceable>TIME</replaceable></option></arg>
117
 
      </group>
118
 
      <sbr/>
119
 
      <arg><option>--force</option></arg>
120
 
    </cmdsynopsis>
121
 
    <cmdsynopsis>
122
 
      <command>&COMMANDNAME;</command>
123
 
      <group choice="req">
124
 
        <arg choice="plain"><option>--password</option></arg>
125
 
        <arg choice="plain"><option>-p</option></arg>
126
 
        <arg choice="plain"><option>--passfile
127
 
        <replaceable>FILE</replaceable></option></arg>
128
 
        <arg choice="plain"><option>-F</option>
129
 
        <replaceable>FILE</replaceable></arg>
130
 
      </group>
131
 
      <sbr/>
132
 
      <group>
133
 
        <arg choice="plain"><option>--dir
134
 
        <replaceable>DIRECTORY</replaceable></option></arg>
135
 
        <arg choice="plain"><option>-d
136
 
        <replaceable>DIRECTORY</replaceable></option></arg>
137
 
      </group>
138
 
      <sbr/>
139
 
      <group>
140
 
        <arg choice="plain"><option>--name
141
 
        <replaceable>NAME</replaceable></option></arg>
142
 
        <arg choice="plain"><option>-n
143
 
        <replaceable>NAME</replaceable></option></arg>
144
 
      </group>
145
 
    </cmdsynopsis>
146
 
    <cmdsynopsis>
147
 
      <command>&COMMANDNAME;</command>
148
 
      <group choice="req">
149
 
        <arg choice="plain"><option>--help</option></arg>
150
 
        <arg choice="plain"><option>-h</option></arg>
151
 
      </group>
152
 
    </cmdsynopsis>
153
 
    <cmdsynopsis>
154
 
      <command>&COMMANDNAME;</command>
155
 
      <group choice="req">
156
 
        <arg choice="plain"><option>--version</option></arg>
157
 
        <arg choice="plain"><option>-v</option></arg>
158
 
      </group>
159
 
    </cmdsynopsis>
160
 
  </refsynopsisdiv>
161
 
  
162
 
  <refsect1 id="description">
163
 
    <title>DESCRIPTION</title>
164
 
    <para>
165
 
      <command>&COMMANDNAME;</command> is a program to generate the
166
 
      OpenPGP key used by
167
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
168
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
169
 
      normally written to /etc/mandos for later installation into the
170
 
      initrd image, but this, and most other things, can be changed
171
 
      with command line options.
172
 
    </para>
173
 
    <para>
174
 
      This program can also be used with the
175
 
      <option>--password</option> or <option>--passfile</option>
176
 
      options to generate a ready-made section for
177
 
      <filename>clients.conf</filename> (see
178
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
179
 
      <manvolnum>5</manvolnum></citerefentry>).
180
 
    </para>
181
 
  </refsect1>
182
 
  
183
 
  <refsect1 id="purpose">
184
 
    <title>PURPOSE</title>
185
 
    <para>
186
 
      The purpose of this is to enable <emphasis>remote and unattended
187
 
      rebooting</emphasis> of client host computer with an
188
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
189
 
      linkend="overview"/> for details.
190
 
    </para>
191
 
  </refsect1>
192
 
  
193
 
  <refsect1 id="options">
194
 
    <title>OPTIONS</title>
195
 
    
196
 
    <variablelist>
197
 
      <varlistentry>
198
 
        <term><option>--help</option></term>
199
 
        <term><option>-h</option></term>
200
 
        <listitem>
201
 
          <para>
202
 
            Show a help message and exit
203
 
          </para>
204
 
        </listitem>
205
 
      </varlistentry>
206
 
      
207
 
      <varlistentry>
208
 
        <term><option>--dir
209
 
        <replaceable>DIRECTORY</replaceable></option></term>
210
 
        <term><option>-d
211
 
        <replaceable>DIRECTORY</replaceable></option></term>
212
 
        <listitem>
213
 
          <para>
214
 
            Target directory for key files.  Default is
215
 
            <filename>/etc/mandos</filename>.
216
 
          </para>
217
 
        </listitem>
218
 
      </varlistentry>
219
 
      
220
 
      <varlistentry>
221
 
        <term><option>--type
222
 
        <replaceable>TYPE</replaceable></option></term>
223
 
        <term><option>-t
224
 
        <replaceable>TYPE</replaceable></option></term>
225
 
        <listitem>
226
 
          <para>
227
 
            Key type.  Default is <quote>DSA</quote>.
228
 
          </para>
229
 
        </listitem>
230
 
      </varlistentry>
231
 
      
232
 
      <varlistentry>
233
 
        <term><option>--length
234
 
        <replaceable>BITS</replaceable></option></term>
235
 
        <term><option>-l
236
 
        <replaceable>BITS</replaceable></option></term>
237
 
        <listitem>
238
 
          <para>
239
 
            Key length in bits.  Default is 2048.
240
 
          </para>
241
 
        </listitem>
242
 
      </varlistentry>
243
 
      
244
 
      <varlistentry>
245
 
        <term><option>--subtype
246
 
        <replaceable>KEYTYPE</replaceable></option></term>
247
 
        <term><option>-s
248
 
        <replaceable>KEYTYPE</replaceable></option></term>
249
 
        <listitem>
250
 
          <para>
251
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
252
 
            encryption-only).
253
 
          </para>
254
 
        </listitem>
255
 
      </varlistentry>
256
 
      
257
 
      <varlistentry>
258
 
        <term><option>--sublength
259
 
        <replaceable>BITS</replaceable></option></term>
260
 
        <term><option>-L
261
 
        <replaceable>BITS</replaceable></option></term>
262
 
        <listitem>
263
 
          <para>
264
 
            Subkey length in bits.  Default is 2048.
265
 
          </para>
266
 
        </listitem>
267
 
      </varlistentry>
268
 
      
269
 
      <varlistentry>
270
 
        <term><option>--email
271
 
        <replaceable>ADDRESS</replaceable></option></term>
272
 
        <term><option>-e
273
 
        <replaceable>ADDRESS</replaceable></option></term>
274
 
        <listitem>
275
 
          <para>
276
 
            Email address of key.  Default is empty.
277
 
          </para>
278
 
        </listitem>
279
 
      </varlistentry>
280
 
      
281
 
      <varlistentry>
282
 
        <term><option>--comment
283
 
        <replaceable>TEXT</replaceable></option></term>
284
 
        <term><option>-c
285
 
        <replaceable>TEXT</replaceable></option></term>
286
 
        <listitem>
287
 
          <para>
288
 
            Comment field for key.  The default value is
289
 
            <quote><literal>Mandos client key</literal></quote>.
290
 
          </para>
291
 
        </listitem>
292
 
      </varlistentry>
293
 
      
294
 
      <varlistentry>
295
 
        <term><option>--expire
296
 
        <replaceable>TIME</replaceable></option></term>
297
 
        <term><option>-x
298
 
        <replaceable>TIME</replaceable></option></term>
299
 
        <listitem>
300
 
          <para>
301
 
            Key expire time.  Default is no expiration.  See
302
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
303
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
304
 
          </para>
305
 
        </listitem>
306
 
      </varlistentry>
307
 
      
308
 
      <varlistentry>
309
 
        <term><option>--force</option></term>
310
 
        <term><option>-f</option></term>
311
 
        <listitem>
312
 
          <para>
313
 
            Force overwriting old key.
314
 
          </para>
315
 
        </listitem>
316
 
      </varlistentry>
317
 
      <varlistentry>
318
 
        <term><option>--password</option></term>
319
 
        <term><option>-p</option></term>
320
 
        <listitem>
321
 
          <para>
322
 
            Prompt for a password and encrypt it with the key already
323
 
            present in either <filename>/etc/mandos</filename> or the
324
 
            directory specified with the <option>--dir</option>
325
 
            option.  Outputs, on standard output, a section suitable
326
 
            for inclusion in <citerefentry><refentrytitle
327
 
            >mandos-clients.conf</refentrytitle><manvolnum
328
 
            >8</manvolnum></citerefentry>.  The host name or the name
329
 
            specified with the <option>--name</option> option is used
330
 
            for the section header.  All other options are ignored,
331
 
            and no key is created.
332
 
          </para>
333
 
        </listitem>
334
 
      </varlistentry>
335
 
      <varlistentry>
336
 
        <term><option>--passfile
337
 
        <replaceable>FILE</replaceable></option></term>
338
 
        <term><option>-F
339
 
        <replaceable>FILE</replaceable></option></term>
340
 
        <listitem>
341
 
          <para>
342
 
            The same as <option>--password</option>, but read from
343
 
            <replaceable>FILE</replaceable>, not the terminal.
344
 
          </para>
345
 
        </listitem>
346
 
      </varlistentry>
347
 
    </variablelist>
348
 
  </refsect1>
349
 
  
350
 
  <refsect1 id="overview">
351
 
    <title>OVERVIEW</title>
352
 
    <xi:include href="overview.xml"/>
353
 
    <para>
354
 
      This program is a small utility to generate new OpenPGP keys for
355
 
      new Mandos clients, and to generate sections for inclusion in
356
 
      <filename>clients.conf</filename> on the server.
357
 
    </para>
358
 
  </refsect1>
359
 
  
360
 
  <refsect1 id="exit_status">
361
 
    <title>EXIT STATUS</title>
362
 
    <para>
363
 
      The exit status will be 0 if a new key (or password, if the
364
 
      <option>--password</option> option was used) was successfully
365
 
      created, otherwise not.
366
 
    </para>
367
 
  </refsect1>
368
 
  
369
 
  <refsect1 id="environment">
370
 
    <title>ENVIRONMENT</title>
371
 
    <variablelist>
372
 
      <varlistentry>
373
 
        <term><envar>TMPDIR</envar></term>
374
 
        <listitem>
375
 
          <para>
376
 
            If set, temporary files will be created here. See
377
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
378
 
            <manvolnum>1</manvolnum></citerefentry>.
379
 
          </para>
380
 
        </listitem>
381
 
      </varlistentry>
382
 
    </variablelist>
383
 
  </refsect1>
384
 
  
385
 
  <refsect1 id="files">
386
 
    <title>FILES</title>
387
 
    <para>
388
 
      Use the <option>--dir</option> option to change where
389
 
      <command>&COMMANDNAME;</command> will write the key files.  The
390
 
      default file names are shown here.
391
 
    </para>
392
 
    <variablelist>
393
 
      <varlistentry>
394
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
395
 
        <listitem>
396
 
          <para>
397
 
            OpenPGP secret key file which will be created or
398
 
            overwritten.
399
 
          </para>
400
 
        </listitem>
401
 
      </varlistentry>
402
 
      <varlistentry>
403
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
404
 
        <listitem>
405
 
          <para>
406
 
            OpenPGP public key file which will be created or
407
 
            overwritten.
408
 
          </para>
409
 
        </listitem>
410
 
      </varlistentry>
411
 
      <varlistentry>
412
 
        <term><filename>/tmp</filename></term>
413
 
        <listitem>
414
 
          <para>
415
 
            Temporary files will be written here if
416
 
            <varname>TMPDIR</varname> is not set.
417
 
          </para>
418
 
        </listitem>
419
 
      </varlistentry>
420
 
    </variablelist>
421
 
  </refsect1>
422
 
  
423
 
<!--   <refsect1 id="bugs"> -->
424
 
<!--     <title>BUGS</title> -->
425
 
<!--     <para> -->
426
 
<!--     </para> -->
427
 
<!--   </refsect1> -->
428
 
  
429
 
  <refsect1 id="example">
430
 
    <title>EXAMPLE</title>
431
 
    <informalexample>
432
 
      <para>
433
 
        Normal invocation needs no options:
434
 
      </para>
435
 
      <para>
436
 
        <userinput>&COMMANDNAME;</userinput>
437
 
      </para>
438
 
    </informalexample>
439
 
    <informalexample>
440
 
      <para>
441
 
        Create key in another directory and of another type.  Force
442
 
        overwriting old key files:
443
 
      </para>
444
 
      <para>
445
 
 
446
 
<!-- do not wrap this line -->
447
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
448
 
 
449
 
      </para>
450
 
    </informalexample>
451
 
    <informalexample>
452
 
      <para>
453
 
        Prompt for a password, encrypt it with the key in
454
 
        <filename>/etc/mandos</filename> and output a section suitable
455
 
        for <filename>clients.conf</filename>.
456
 
      </para>
457
 
      <para>
458
 
        <userinput>&COMMANDNAME; --password</userinput>
459
 
      </para>
460
 
    </informalexample>
461
 
    <informalexample>
462
 
      <para>
463
 
        Prompt for a password, encrypt it with the key in the
464
 
        <filename>client-key</filename> directory and output a section
465
 
        suitable for <filename>clients.conf</filename>.
466
 
      </para>
467
 
      <para>
468
 
 
469
 
<!-- do not wrap this line -->
470
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
471
 
 
472
 
      </para>
473
 
    </informalexample>
474
 
  </refsect1>
475
 
  
476
 
  <refsect1 id="security">
477
 
    <title>SECURITY</title>
478
 
    <para>
479
 
      The <option>--type</option>, <option>--length</option>,
480
 
      <option>--subtype</option>, and <option>--sublength</option>
481
 
      options can be used to create keys of low security.  If in
482
 
      doubt, leave them to the default values.
483
 
    </para>
484
 
    <para>
485
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
486
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
487
 
      <manvolnum>8</manvolnum></citerefentry>.
488
 
    </para>
489
 
  </refsect1>
490
 
  
491
 
  <refsect1 id="see_also">
492
 
    <title>SEE ALSO</title>
493
 
    <para>
494
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
495
 
      <manvolnum>1</manvolnum></citerefentry>,
496
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
497
 
      <manvolnum>5</manvolnum></citerefentry>,
498
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
499
 
      <manvolnum>8</manvolnum></citerefentry>,
500
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
501
 
      <manvolnum>8mandos</manvolnum></citerefentry>
502
 
    </para>
503
 
  </refsect1>
504
 
  
505
 
</refentry>
506
 
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507
 
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