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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 COMMANDNAME "mandos-keygen">
 
5
<!ENTITY TIMESTAMP "2012-01-01">
 
6
<!ENTITY % common SYSTEM "common.ent">
 
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%common;
 
8
]>
 
9
 
 
10
<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@recompile.se</email>
 
23
        </address>
 
24
      </author>
 
25
      <author>
 
26
        <firstname>Teddy</firstname>
 
27
        <surname>Hogeborn</surname>
 
28
        <address>
 
29
          <email>teddy@recompile.se</email>
 
30
        </address>
 
31
      </author>
 
32
    </authorgroup>
 
33
    <copyright>
 
34
      <year>2008</year>
 
35
      <year>2009</year>
 
36
      <year>2011</year>
 
37
      <year>2012</year>
 
38
      <holder>Teddy Hogeborn</holder>
 
39
      <holder>Björn Påhlsson</holder>
 
40
    </copyright>
 
41
    <xi:include href="legalnotice.xml"/>
 
42
  </refentryinfo>
 
43
  
 
44
  <refmeta>
 
45
    <refentrytitle>&COMMANDNAME;</refentrytitle>
 
46
    <manvolnum>8</manvolnum>
 
47
  </refmeta>
 
48
  
 
49
  <refnamediv>
 
50
    <refname><command>&COMMANDNAME;</command></refname>
 
51
    <refpurpose>
 
52
      Generate key and password for Mandos client and server.
 
53
    </refpurpose>
 
54
  </refnamediv>
 
55
  
 
56
  <refsynopsisdiv>
 
57
    <cmdsynopsis>
 
58
      <command>&COMMANDNAME;</command>
 
59
      <group>
 
60
        <arg choice="plain"><option>--dir
 
61
        <replaceable>DIRECTORY</replaceable></option></arg>
 
62
        <arg choice="plain"><option>-d
 
63
        <replaceable>DIRECTORY</replaceable></option></arg>
 
64
      </group>
 
65
      <sbr/>
 
66
      <group>
 
67
        <arg choice="plain"><option>--type
 
68
        <replaceable>KEYTYPE</replaceable></option></arg>
 
69
        <arg choice="plain"><option>-t
 
70
        <replaceable>KEYTYPE</replaceable></option></arg>
 
71
      </group>
 
72
      <sbr/>
 
73
      <group>
 
74
        <arg choice="plain"><option>--length
 
75
        <replaceable>BITS</replaceable></option></arg>
 
76
        <arg choice="plain"><option>-l
 
77
        <replaceable>BITS</replaceable></option></arg>
 
78
      </group>
 
79
      <sbr/>
 
80
      <group>
 
81
        <arg choice="plain"><option>--subtype
 
82
        <replaceable>KEYTYPE</replaceable></option></arg>
 
83
        <arg choice="plain"><option>-s
 
84
        <replaceable>KEYTYPE</replaceable></option></arg>
 
85
      </group>
 
86
      <sbr/>
 
87
      <group>
 
88
        <arg choice="plain"><option>--sublength
 
89
        <replaceable>BITS</replaceable></option></arg>
 
90
        <arg choice="plain"><option>-L
 
91
        <replaceable>BITS</replaceable></option></arg>
 
92
      </group>
 
93
      <sbr/>
 
94
      <group>
 
95
        <arg choice="plain"><option>--name
 
96
        <replaceable>NAME</replaceable></option></arg>
 
97
        <arg choice="plain"><option>-n
 
98
        <replaceable>NAME</replaceable></option></arg>
 
99
      </group>
 
100
      <sbr/>
 
101
      <group>
 
102
        <arg choice="plain"><option>--email
 
103
        <replaceable>ADDRESS</replaceable></option></arg>
 
104
        <arg choice="plain"><option>-e
 
105
        <replaceable>ADDRESS</replaceable></option></arg>
 
106
      </group>
 
107
      <sbr/>
 
108
      <group>
 
109
        <arg choice="plain"><option>--comment
 
110
        <replaceable>TEXT</replaceable></option></arg>
 
111
        <arg choice="plain"><option>-c
 
112
        <replaceable>TEXT</replaceable></option></arg>
 
113
      </group>
 
114
      <sbr/>
 
115
      <group>
 
116
        <arg choice="plain"><option>--expire
 
117
        <replaceable>TIME</replaceable></option></arg>
 
118
        <arg choice="plain"><option>-x
 
119
        <replaceable>TIME</replaceable></option></arg>
 
120
      </group>
 
121
      <sbr/>
 
122
      <arg><option>--force</option></arg>
 
123
    </cmdsynopsis>
 
124
    <cmdsynopsis>
 
125
      <command>&COMMANDNAME;</command>
 
126
      <group choice="req">
 
127
        <arg choice="plain"><option>--password</option></arg>
 
128
        <arg choice="plain"><option>-p</option></arg>
 
129
        <arg choice="plain"><option>--passfile
 
130
        <replaceable>FILE</replaceable></option></arg>
 
131
        <arg choice="plain"><option>-F</option>
 
132
        <replaceable>FILE</replaceable></arg>
 
133
      </group>
 
134
      <sbr/>
 
135
      <group>
 
136
        <arg choice="plain"><option>--dir
 
137
        <replaceable>DIRECTORY</replaceable></option></arg>
 
138
        <arg choice="plain"><option>-d
 
139
        <replaceable>DIRECTORY</replaceable></option></arg>
 
140
      </group>
 
141
      <sbr/>
 
142
      <group>
 
143
        <arg choice="plain"><option>--name
 
144
        <replaceable>NAME</replaceable></option></arg>
 
145
        <arg choice="plain"><option>-n
 
146
        <replaceable>NAME</replaceable></option></arg>
 
147
      </group>
 
148
    </cmdsynopsis>
 
149
    <cmdsynopsis>
 
150
      <command>&COMMANDNAME;</command>
 
151
      <group choice="req">
 
152
        <arg choice="plain"><option>--help</option></arg>
 
153
        <arg choice="plain"><option>-h</option></arg>
 
154
      </group>
 
155
    </cmdsynopsis>
 
156
    <cmdsynopsis>
 
157
      <command>&COMMANDNAME;</command>
 
158
      <group choice="req">
 
159
        <arg choice="plain"><option>--version</option></arg>
 
160
        <arg choice="plain"><option>-v</option></arg>
 
161
      </group>
 
162
    </cmdsynopsis>
 
163
  </refsynopsisdiv>
 
164
  
 
165
  <refsect1 id="description">
 
166
    <title>DESCRIPTION</title>
 
167
    <para>
 
168
      <command>&COMMANDNAME;</command> is a program to generate the
 
169
      OpenPGP key used by
 
170
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
171
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
 
172
      normally written to /etc/mandos for later installation into the
 
173
      initrd image, but this, and most other things, can be changed
 
174
      with command line options.
 
175
    </para>
 
176
    <para>
 
177
      This program can also be used with the
 
178
      <option>--password</option> or <option>--passfile</option>
 
179
      options to generate a ready-made section for
 
180
      <filename>clients.conf</filename> (see
 
181
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
182
      <manvolnum>5</manvolnum></citerefentry>).
 
183
    </para>
 
184
  </refsect1>
 
185
  
 
186
  <refsect1 id="purpose">
 
187
    <title>PURPOSE</title>
 
188
    <para>
 
189
      The purpose of this is to enable <emphasis>remote and unattended
 
190
      rebooting</emphasis> of client host computer with an
 
191
      <emphasis>encrypted root file system</emphasis>.  See <xref
 
192
      linkend="overview"/> for details.
 
193
    </para>
 
194
  </refsect1>
 
195
  
 
196
  <refsect1 id="options">
 
197
    <title>OPTIONS</title>
 
198
    
 
199
    <variablelist>
 
200
      <varlistentry>
 
201
        <term><option>--help</option></term>
 
202
        <term><option>-h</option></term>
 
203
        <listitem>
 
204
          <para>
 
205
            Show a help message and exit
 
206
          </para>
 
207
        </listitem>
 
208
      </varlistentry>
 
209
      
 
210
      <varlistentry>
 
211
        <term><option>--dir
 
212
        <replaceable>DIRECTORY</replaceable></option></term>
 
213
        <term><option>-d
 
214
        <replaceable>DIRECTORY</replaceable></option></term>
 
215
        <listitem>
 
216
          <para>
 
217
            Target directory for key files.  Default is
 
218
            <filename class="directory">/etc/mandos</filename>.
 
219
          </para>
 
220
        </listitem>
 
221
      </varlistentry>
 
222
      
 
223
      <varlistentry>
 
224
        <term><option>--type
 
225
        <replaceable>TYPE</replaceable></option></term>
 
226
        <term><option>-t
 
227
        <replaceable>TYPE</replaceable></option></term>
 
228
        <listitem>
 
229
          <para>
 
230
            Key type.  Default is <quote>DSA</quote>.
 
231
          </para>
 
232
        </listitem>
 
233
      </varlistentry>
 
234
      
 
235
      <varlistentry>
 
236
        <term><option>--length
 
237
        <replaceable>BITS</replaceable></option></term>
 
238
        <term><option>-l
 
239
        <replaceable>BITS</replaceable></option></term>
 
240
        <listitem>
 
241
          <para>
 
242
            Key length in bits.  Default is 2048.
 
243
          </para>
 
244
        </listitem>
 
245
      </varlistentry>
 
246
      
 
247
      <varlistentry>
 
248
        <term><option>--subtype
 
249
        <replaceable>KEYTYPE</replaceable></option></term>
 
250
        <term><option>-s
 
251
        <replaceable>KEYTYPE</replaceable></option></term>
 
252
        <listitem>
 
253
          <para>
 
254
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
 
255
            encryption-only).
 
256
          </para>
 
257
        </listitem>
 
258
      </varlistentry>
 
259
      
 
260
      <varlistentry>
 
261
        <term><option>--sublength
 
262
        <replaceable>BITS</replaceable></option></term>
 
263
        <term><option>-L
 
264
        <replaceable>BITS</replaceable></option></term>
 
265
        <listitem>
 
266
          <para>
 
267
            Subkey length in bits.  Default is 2048.
 
268
          </para>
 
269
        </listitem>
 
270
      </varlistentry>
 
271
      
 
272
      <varlistentry>
 
273
        <term><option>--email
 
274
        <replaceable>ADDRESS</replaceable></option></term>
 
275
        <term><option>-e
 
276
        <replaceable>ADDRESS</replaceable></option></term>
 
277
        <listitem>
 
278
          <para>
 
279
            Email address of key.  Default is empty.
 
280
          </para>
 
281
        </listitem>
 
282
      </varlistentry>
 
283
      
 
284
      <varlistentry>
 
285
        <term><option>--comment
 
286
        <replaceable>TEXT</replaceable></option></term>
 
287
        <term><option>-c
 
288
        <replaceable>TEXT</replaceable></option></term>
 
289
        <listitem>
 
290
          <para>
 
291
            Comment field for key.  The default value is
 
292
            <quote><literal>Mandos client key</literal></quote>.
 
293
          </para>
 
294
        </listitem>
 
295
      </varlistentry>
 
296
      
 
297
      <varlistentry>
 
298
        <term><option>--expire
 
299
        <replaceable>TIME</replaceable></option></term>
 
300
        <term><option>-x
 
301
        <replaceable>TIME</replaceable></option></term>
 
302
        <listitem>
 
303
          <para>
 
304
            Key expire time.  Default is no expiration.  See
 
305
            <citerefentry><refentrytitle>gpg</refentrytitle>
 
306
            <manvolnum>1</manvolnum></citerefentry> for syntax.
 
307
          </para>
 
308
        </listitem>
 
309
      </varlistentry>
 
310
      
 
311
      <varlistentry>
 
312
        <term><option>--force</option></term>
 
313
        <term><option>-f</option></term>
 
314
        <listitem>
 
315
          <para>
 
316
            Force overwriting old key.
 
317
          </para>
 
318
        </listitem>
 
319
      </varlistentry>
 
320
      <varlistentry>
 
321
        <term><option>--password</option></term>
 
322
        <term><option>-p</option></term>
 
323
        <listitem>
 
324
          <para>
 
325
            Prompt for a password and encrypt it with the key already
 
326
            present in either <filename>/etc/mandos</filename> or the
 
327
            directory specified with the <option>--dir</option>
 
328
            option.  Outputs, on standard output, a section suitable
 
329
            for inclusion in <citerefentry><refentrytitle
 
330
            >mandos-clients.conf</refentrytitle><manvolnum
 
331
            >8</manvolnum></citerefentry>.  The host name or the name
 
332
            specified with the <option>--name</option> option is used
 
333
            for the section header.  All other options are ignored,
 
334
            and no key is created.
 
335
          </para>
 
336
        </listitem>
 
337
      </varlistentry>
 
338
      <varlistentry>
 
339
        <term><option>--passfile
 
340
        <replaceable>FILE</replaceable></option></term>
 
341
        <term><option>-F
 
342
        <replaceable>FILE</replaceable></option></term>
 
343
        <listitem>
 
344
          <para>
 
345
            The same as <option>--password</option>, but read from
 
346
            <replaceable>FILE</replaceable>, not the terminal.
 
347
          </para>
 
348
        </listitem>
 
349
      </varlistentry>
 
350
    </variablelist>
 
351
  </refsect1>
 
352
  
 
353
  <refsect1 id="overview">
 
354
    <title>OVERVIEW</title>
 
355
    <xi:include href="overview.xml"/>
 
356
    <para>
 
357
      This program is a small utility to generate new OpenPGP keys for
 
358
      new Mandos clients, and to generate sections for inclusion in
 
359
      <filename>clients.conf</filename> on the server.
 
360
    </para>
 
361
  </refsect1>
 
362
  
 
363
  <refsect1 id="exit_status">
 
364
    <title>EXIT STATUS</title>
 
365
    <para>
 
366
      The exit status will be 0 if a new key (or password, if the
 
367
      <option>--password</option> option was used) was successfully
 
368
      created, otherwise not.
 
369
    </para>
 
370
  </refsect1>
 
371
  
 
372
  <refsect1 id="environment">
 
373
    <title>ENVIRONMENT</title>
 
374
    <variablelist>
 
375
      <varlistentry>
 
376
        <term><envar>TMPDIR</envar></term>
 
377
        <listitem>
 
378
          <para>
 
379
            If set, temporary files will be created here. See
 
380
            <citerefentry><refentrytitle>mktemp</refentrytitle>
 
381
            <manvolnum>1</manvolnum></citerefentry>.
 
382
          </para>
 
383
        </listitem>
 
384
      </varlistentry>
 
385
    </variablelist>
 
386
  </refsect1>
 
387
  
 
388
  <refsect1 id="files">
 
389
    <title>FILES</title>
 
390
    <para>
 
391
      Use the <option>--dir</option> option to change where
 
392
      <command>&COMMANDNAME;</command> will write the key files.  The
 
393
      default file names are shown here.
 
394
    </para>
 
395
    <variablelist>
 
396
      <varlistentry>
 
397
        <term><filename>/etc/mandos/seckey.txt</filename></term>
 
398
        <listitem>
 
399
          <para>
 
400
            OpenPGP secret key file which will be created or
 
401
            overwritten.
 
402
          </para>
 
403
        </listitem>
 
404
      </varlistentry>
 
405
      <varlistentry>
 
406
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
 
407
        <listitem>
 
408
          <para>
 
409
            OpenPGP public key file which will be created or
 
410
            overwritten.
 
411
          </para>
 
412
        </listitem>
 
413
      </varlistentry>
 
414
      <varlistentry>
 
415
        <term><filename class="directory">/tmp</filename></term>
 
416
        <listitem>
 
417
          <para>
 
418
            Temporary files will be written here if
 
419
            <varname>TMPDIR</varname> is not set.
 
420
          </para>
 
421
        </listitem>
 
422
      </varlistentry>
 
423
    </variablelist>
 
424
  </refsect1>
 
425
  
 
426
<!--   <refsect1 id="bugs"> -->
 
427
<!--     <title>BUGS</title> -->
 
428
<!--     <para> -->
 
429
<!--     </para> -->
 
430
<!--   </refsect1> -->
 
431
  
 
432
  <refsect1 id="example">
 
433
    <title>EXAMPLE</title>
 
434
    <informalexample>
 
435
      <para>
 
436
        Normal invocation needs no options:
 
437
      </para>
 
438
      <para>
 
439
        <userinput>&COMMANDNAME;</userinput>
 
440
      </para>
 
441
    </informalexample>
 
442
    <informalexample>
 
443
      <para>
 
444
        Create key in another directory and of another type.  Force
 
445
        overwriting old key files:
 
446
      </para>
 
447
      <para>
 
448
 
 
449
<!-- do not wrap this line -->
 
450
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
 
451
 
 
452
      </para>
 
453
    </informalexample>
 
454
    <informalexample>
 
455
      <para>
 
456
        Prompt for a password, encrypt it with the key in <filename
 
457
        class="directory">/etc/mandos</filename> and output a section
 
458
        suitable for <filename>clients.conf</filename>.
 
459
      </para>
 
460
      <para>
 
461
        <userinput>&COMMANDNAME; --password</userinput>
 
462
      </para>
 
463
    </informalexample>
 
464
    <informalexample>
 
465
      <para>
 
466
        Prompt for a password, encrypt it with the key in the
 
467
        <filename>client-key</filename> directory and output a section
 
468
        suitable for <filename>clients.conf</filename>.
 
469
      </para>
 
470
      <para>
 
471
 
 
472
<!-- do not wrap this line -->
 
473
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
 
474
 
 
475
      </para>
 
476
    </informalexample>
 
477
  </refsect1>
 
478
  
 
479
  <refsect1 id="security">
 
480
    <title>SECURITY</title>
 
481
    <para>
 
482
      The <option>--type</option>, <option>--length</option>,
 
483
      <option>--subtype</option>, and <option>--sublength</option>
 
484
      options can be used to create keys of low security.  If in
 
485
      doubt, leave them to the default values.
 
486
    </para>
 
487
    <para>
 
488
      The key expire time is <emphasis>not</emphasis> guaranteed to be
 
489
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
 
490
      <manvolnum>8</manvolnum></citerefentry>.
 
491
    </para>
 
492
  </refsect1>
 
493
  
 
494
  <refsect1 id="see_also">
 
495
    <title>SEE ALSO</title>
 
496
    <para>
 
497
      <citerefentry><refentrytitle>intro</refentrytitle>
 
498
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
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>mandos-client</refentrytitle>
 
506
      <manvolnum>8mandos</manvolnum></citerefentry>
 
507
    </para>
 
508
  </refsect1>
 
509
  
 
510
</refentry>
 
511
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