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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">
5
 
<!ENTITY TIMESTAMP "2011-10-03">
6
 
<!ENTITY % common SYSTEM "common.ent">
7
 
%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
 
      <holder>Teddy Hogeborn</holder>
38
 
      <holder>Björn Påhlsson</holder>
39
 
    </copyright>
40
 
    <xi:include href="legalnotice.xml"/>
41
 
  </refentryinfo>
42
 
  
43
 
  <refmeta>
44
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
45
 
    <manvolnum>8</manvolnum>
46
 
  </refmeta>
47
 
  
48
 
  <refnamediv>
49
 
    <refname><command>&COMMANDNAME;</command></refname>
50
 
    <refpurpose>
51
 
      Generate key and password for Mandos client and server.
52
 
    </refpurpose>
53
 
  </refnamediv>
54
 
  
55
 
  <refsynopsisdiv>
56
 
    <cmdsynopsis>
57
 
      <command>&COMMANDNAME;</command>
58
 
      <group>
59
 
        <arg choice="plain"><option>--dir
60
 
        <replaceable>DIRECTORY</replaceable></option></arg>
61
 
        <arg choice="plain"><option>-d
62
 
        <replaceable>DIRECTORY</replaceable></option></arg>
63
 
      </group>
64
 
      <sbr/>
65
 
      <group>
66
 
        <arg choice="plain"><option>--type
67
 
        <replaceable>KEYTYPE</replaceable></option></arg>
68
 
        <arg choice="plain"><option>-t
69
 
        <replaceable>KEYTYPE</replaceable></option></arg>
70
 
      </group>
71
 
      <sbr/>
72
 
      <group>
73
 
        <arg choice="plain"><option>--length
74
 
        <replaceable>BITS</replaceable></option></arg>
75
 
        <arg choice="plain"><option>-l
76
 
        <replaceable>BITS</replaceable></option></arg>
77
 
      </group>
78
 
      <sbr/>
79
 
      <group>
80
 
        <arg choice="plain"><option>--subtype
81
 
        <replaceable>KEYTYPE</replaceable></option></arg>
82
 
        <arg choice="plain"><option>-s
83
 
        <replaceable>KEYTYPE</replaceable></option></arg>
84
 
      </group>
85
 
      <sbr/>
86
 
      <group>
87
 
        <arg choice="plain"><option>--sublength
88
 
        <replaceable>BITS</replaceable></option></arg>
89
 
        <arg choice="plain"><option>-L
90
 
        <replaceable>BITS</replaceable></option></arg>
91
 
      </group>
92
 
      <sbr/>
93
 
      <group>
94
 
        <arg choice="plain"><option>--name
95
 
        <replaceable>NAME</replaceable></option></arg>
96
 
        <arg choice="plain"><option>-n
97
 
        <replaceable>NAME</replaceable></option></arg>
98
 
      </group>
99
 
      <sbr/>
100
 
      <group>
101
 
        <arg choice="plain"><option>--email
102
 
        <replaceable>ADDRESS</replaceable></option></arg>
103
 
        <arg choice="plain"><option>-e
104
 
        <replaceable>ADDRESS</replaceable></option></arg>
105
 
      </group>
106
 
      <sbr/>
107
 
      <group>
108
 
        <arg choice="plain"><option>--comment
109
 
        <replaceable>TEXT</replaceable></option></arg>
110
 
        <arg choice="plain"><option>-c
111
 
        <replaceable>TEXT</replaceable></option></arg>
112
 
      </group>
113
 
      <sbr/>
114
 
      <group>
115
 
        <arg choice="plain"><option>--expire
116
 
        <replaceable>TIME</replaceable></option></arg>
117
 
        <arg choice="plain"><option>-x
118
 
        <replaceable>TIME</replaceable></option></arg>
119
 
      </group>
120
 
      <sbr/>
121
 
      <arg><option>--force</option></arg>
122
 
    </cmdsynopsis>
123
 
    <cmdsynopsis>
124
 
      <command>&COMMANDNAME;</command>
125
 
      <group choice="req">
126
 
        <arg choice="plain"><option>--password</option></arg>
127
 
        <arg choice="plain"><option>-p</option></arg>
128
 
        <arg choice="plain"><option>--passfile
129
 
        <replaceable>FILE</replaceable></option></arg>
130
 
        <arg choice="plain"><option>-F</option>
131
 
        <replaceable>FILE</replaceable></arg>
132
 
      </group>
133
 
      <sbr/>
134
 
      <group>
135
 
        <arg choice="plain"><option>--dir
136
 
        <replaceable>DIRECTORY</replaceable></option></arg>
137
 
        <arg choice="plain"><option>-d
138
 
        <replaceable>DIRECTORY</replaceable></option></arg>
139
 
      </group>
140
 
      <sbr/>
141
 
      <group>
142
 
        <arg choice="plain"><option>--name
143
 
        <replaceable>NAME</replaceable></option></arg>
144
 
        <arg choice="plain"><option>-n
145
 
        <replaceable>NAME</replaceable></option></arg>
146
 
      </group>
147
 
    </cmdsynopsis>
148
 
    <cmdsynopsis>
149
 
      <command>&COMMANDNAME;</command>
150
 
      <group choice="req">
151
 
        <arg choice="plain"><option>--help</option></arg>
152
 
        <arg choice="plain"><option>-h</option></arg>
153
 
      </group>
154
 
    </cmdsynopsis>
155
 
    <cmdsynopsis>
156
 
      <command>&COMMANDNAME;</command>
157
 
      <group choice="req">
158
 
        <arg choice="plain"><option>--version</option></arg>
159
 
        <arg choice="plain"><option>-v</option></arg>
160
 
      </group>
161
 
    </cmdsynopsis>
162
 
  </refsynopsisdiv>
163
 
  
164
 
  <refsect1 id="description">
165
 
    <title>DESCRIPTION</title>
166
 
    <para>
167
 
      <command>&COMMANDNAME;</command> is a program to generate the
168
 
      OpenPGP key used by
169
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
170
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
171
 
      normally written to /etc/mandos for later installation into the
172
 
      initrd image, but this, and most other things, can be changed
173
 
      with command line options.
174
 
    </para>
175
 
    <para>
176
 
      This program can also be used with the
177
 
      <option>--password</option> or <option>--passfile</option>
178
 
      options to generate a ready-made section for
179
 
      <filename>clients.conf</filename> (see
180
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
181
 
      <manvolnum>5</manvolnum></citerefentry>).
182
 
    </para>
183
 
  </refsect1>
184
 
  
185
 
  <refsect1 id="purpose">
186
 
    <title>PURPOSE</title>
187
 
    <para>
188
 
      The purpose of this is to enable <emphasis>remote and unattended
189
 
      rebooting</emphasis> of client host computer with an
190
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
191
 
      linkend="overview"/> for details.
192
 
    </para>
193
 
  </refsect1>
194
 
  
195
 
  <refsect1 id="options">
196
 
    <title>OPTIONS</title>
197
 
    
198
 
    <variablelist>
199
 
      <varlistentry>
200
 
        <term><option>--help</option></term>
201
 
        <term><option>-h</option></term>
202
 
        <listitem>
203
 
          <para>
204
 
            Show a help message and exit
205
 
          </para>
206
 
        </listitem>
207
 
      </varlistentry>
208
 
      
209
 
      <varlistentry>
210
 
        <term><option>--dir
211
 
        <replaceable>DIRECTORY</replaceable></option></term>
212
 
        <term><option>-d
213
 
        <replaceable>DIRECTORY</replaceable></option></term>
214
 
        <listitem>
215
 
          <para>
216
 
            Target directory for key files.  Default is
217
 
            <filename>/etc/mandos</filename>.
218
 
          </para>
219
 
        </listitem>
220
 
      </varlistentry>
221
 
      
222
 
      <varlistentry>
223
 
        <term><option>--type
224
 
        <replaceable>TYPE</replaceable></option></term>
225
 
        <term><option>-t
226
 
        <replaceable>TYPE</replaceable></option></term>
227
 
        <listitem>
228
 
          <para>
229
 
            Key type.  Default is <quote>DSA</quote>.
230
 
          </para>
231
 
        </listitem>
232
 
      </varlistentry>
233
 
      
234
 
      <varlistentry>
235
 
        <term><option>--length
236
 
        <replaceable>BITS</replaceable></option></term>
237
 
        <term><option>-l
238
 
        <replaceable>BITS</replaceable></option></term>
239
 
        <listitem>
240
 
          <para>
241
 
            Key length in bits.  Default is 2048.
242
 
          </para>
243
 
        </listitem>
244
 
      </varlistentry>
245
 
      
246
 
      <varlistentry>
247
 
        <term><option>--subtype
248
 
        <replaceable>KEYTYPE</replaceable></option></term>
249
 
        <term><option>-s
250
 
        <replaceable>KEYTYPE</replaceable></option></term>
251
 
        <listitem>
252
 
          <para>
253
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
254
 
            encryption-only).
255
 
          </para>
256
 
        </listitem>
257
 
      </varlistentry>
258
 
      
259
 
      <varlistentry>
260
 
        <term><option>--sublength
261
 
        <replaceable>BITS</replaceable></option></term>
262
 
        <term><option>-L
263
 
        <replaceable>BITS</replaceable></option></term>
264
 
        <listitem>
265
 
          <para>
266
 
            Subkey length in bits.  Default is 2048.
267
 
          </para>
268
 
        </listitem>
269
 
      </varlistentry>
270
 
      
271
 
      <varlistentry>
272
 
        <term><option>--email
273
 
        <replaceable>ADDRESS</replaceable></option></term>
274
 
        <term><option>-e
275
 
        <replaceable>ADDRESS</replaceable></option></term>
276
 
        <listitem>
277
 
          <para>
278
 
            Email address of key.  Default is empty.
279
 
          </para>
280
 
        </listitem>
281
 
      </varlistentry>
282
 
      
283
 
      <varlistentry>
284
 
        <term><option>--comment
285
 
        <replaceable>TEXT</replaceable></option></term>
286
 
        <term><option>-c
287
 
        <replaceable>TEXT</replaceable></option></term>
288
 
        <listitem>
289
 
          <para>
290
 
            Comment field for key.  The default value is
291
 
            <quote><literal>Mandos client key</literal></quote>.
292
 
          </para>
293
 
        </listitem>
294
 
      </varlistentry>
295
 
      
296
 
      <varlistentry>
297
 
        <term><option>--expire
298
 
        <replaceable>TIME</replaceable></option></term>
299
 
        <term><option>-x
300
 
        <replaceable>TIME</replaceable></option></term>
301
 
        <listitem>
302
 
          <para>
303
 
            Key expire time.  Default is no expiration.  See
304
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
305
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
306
 
          </para>
307
 
        </listitem>
308
 
      </varlistentry>
309
 
      
310
 
      <varlistentry>
311
 
        <term><option>--force</option></term>
312
 
        <term><option>-f</option></term>
313
 
        <listitem>
314
 
          <para>
315
 
            Force overwriting old key.
316
 
          </para>
317
 
        </listitem>
318
 
      </varlistentry>
319
 
      <varlistentry>
320
 
        <term><option>--password</option></term>
321
 
        <term><option>-p</option></term>
322
 
        <listitem>
323
 
          <para>
324
 
            Prompt for a password and encrypt it with the key already
325
 
            present in either <filename>/etc/mandos</filename> or the
326
 
            directory specified with the <option>--dir</option>
327
 
            option.  Outputs, on standard output, a section suitable
328
 
            for inclusion in <citerefentry><refentrytitle
329
 
            >mandos-clients.conf</refentrytitle><manvolnum
330
 
            >8</manvolnum></citerefentry>.  The host name or the name
331
 
            specified with the <option>--name</option> option is used
332
 
            for the section header.  All other options are ignored,
333
 
            and no key is created.
334
 
          </para>
335
 
        </listitem>
336
 
      </varlistentry>
337
 
      <varlistentry>
338
 
        <term><option>--passfile
339
 
        <replaceable>FILE</replaceable></option></term>
340
 
        <term><option>-F
341
 
        <replaceable>FILE</replaceable></option></term>
342
 
        <listitem>
343
 
          <para>
344
 
            The same as <option>--password</option>, but read from
345
 
            <replaceable>FILE</replaceable>, not the terminal.
346
 
          </para>
347
 
        </listitem>
348
 
      </varlistentry>
349
 
    </variablelist>
350
 
  </refsect1>
351
 
  
352
 
  <refsect1 id="overview">
353
 
    <title>OVERVIEW</title>
354
 
    <xi:include href="overview.xml"/>
355
 
    <para>
356
 
      This program is a small utility to generate new OpenPGP keys for
357
 
      new Mandos clients, and to generate sections for inclusion in
358
 
      <filename>clients.conf</filename> on the server.
359
 
    </para>
360
 
  </refsect1>
361
 
  
362
 
  <refsect1 id="exit_status">
363
 
    <title>EXIT STATUS</title>
364
 
    <para>
365
 
      The exit status will be 0 if a new key (or password, if the
366
 
      <option>--password</option> option was used) was successfully
367
 
      created, otherwise not.
368
 
    </para>
369
 
  </refsect1>
370
 
  
371
 
  <refsect1 id="environment">
372
 
    <title>ENVIRONMENT</title>
373
 
    <variablelist>
374
 
      <varlistentry>
375
 
        <term><envar>TMPDIR</envar></term>
376
 
        <listitem>
377
 
          <para>
378
 
            If set, temporary files will be created here. See
379
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
380
 
            <manvolnum>1</manvolnum></citerefentry>.
381
 
          </para>
382
 
        </listitem>
383
 
      </varlistentry>
384
 
    </variablelist>
385
 
  </refsect1>
386
 
  
387
 
  <refsect1 id="files">
388
 
    <title>FILES</title>
389
 
    <para>
390
 
      Use the <option>--dir</option> option to change where
391
 
      <command>&COMMANDNAME;</command> will write the key files.  The
392
 
      default file names are shown here.
393
 
    </para>
394
 
    <variablelist>
395
 
      <varlistentry>
396
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
397
 
        <listitem>
398
 
          <para>
399
 
            OpenPGP secret key file which will be created or
400
 
            overwritten.
401
 
          </para>
402
 
        </listitem>
403
 
      </varlistentry>
404
 
      <varlistentry>
405
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
406
 
        <listitem>
407
 
          <para>
408
 
            OpenPGP public key file which will be created or
409
 
            overwritten.
410
 
          </para>
411
 
        </listitem>
412
 
      </varlistentry>
413
 
      <varlistentry>
414
 
        <term><filename>/tmp</filename></term>
415
 
        <listitem>
416
 
          <para>
417
 
            Temporary files will be written here if
418
 
            <varname>TMPDIR</varname> is not set.
419
 
          </para>
420
 
        </listitem>
421
 
      </varlistentry>
422
 
    </variablelist>
423
 
  </refsect1>
424
 
  
425
 
<!--   <refsect1 id="bugs"> -->
426
 
<!--     <title>BUGS</title> -->
427
 
<!--     <para> -->
428
 
<!--     </para> -->
429
 
<!--   </refsect1> -->
430
 
  
431
 
  <refsect1 id="example">
432
 
    <title>EXAMPLE</title>
433
 
    <informalexample>
434
 
      <para>
435
 
        Normal invocation needs no options:
436
 
      </para>
437
 
      <para>
438
 
        <userinput>&COMMANDNAME;</userinput>
439
 
      </para>
440
 
    </informalexample>
441
 
    <informalexample>
442
 
      <para>
443
 
        Create key in another directory and of another type.  Force
444
 
        overwriting old key files:
445
 
      </para>
446
 
      <para>
447
 
 
448
 
<!-- do not wrap this line -->
449
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
450
 
 
451
 
      </para>
452
 
    </informalexample>
453
 
    <informalexample>
454
 
      <para>
455
 
        Prompt for a password, encrypt it with the key in
456
 
        <filename>/etc/mandos</filename> and output a section suitable
457
 
        for <filename>clients.conf</filename>.
458
 
      </para>
459
 
      <para>
460
 
        <userinput>&COMMANDNAME; --password</userinput>
461
 
      </para>
462
 
    </informalexample>
463
 
    <informalexample>
464
 
      <para>
465
 
        Prompt for a password, encrypt it with the key in the
466
 
        <filename>client-key</filename> directory and output a section
467
 
        suitable for <filename>clients.conf</filename>.
468
 
      </para>
469
 
      <para>
470
 
 
471
 
<!-- do not wrap this line -->
472
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
473
 
 
474
 
      </para>
475
 
    </informalexample>
476
 
  </refsect1>
477
 
  
478
 
  <refsect1 id="security">
479
 
    <title>SECURITY</title>
480
 
    <para>
481
 
      The <option>--type</option>, <option>--length</option>,
482
 
      <option>--subtype</option>, and <option>--sublength</option>
483
 
      options can be used to create keys of low security.  If in
484
 
      doubt, leave them to the default values.
485
 
    </para>
486
 
    <para>
487
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
488
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
489
 
      <manvolnum>8</manvolnum></citerefentry>.
490
 
    </para>
491
 
  </refsect1>
492
 
  
493
 
  <refsect1 id="see_also">
494
 
    <title>SEE ALSO</title>
495
 
    <para>
496
 
      <citerefentry><refentrytitle>intro</refentrytitle>
497
 
      <manvolnum>8mandos</manvolnum></citerefentry>,
498
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
499
 
      <manvolnum>1</manvolnum></citerefentry>,
500
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
501
 
      <manvolnum>5</manvolnum></citerefentry>,
502
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
503
 
      <manvolnum>8</manvolnum></citerefentry>,
504
 
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
505
 
      <manvolnum>8mandos</manvolnum></citerefentry>
506
 
    </para>
507
 
  </refsect1>
508
 
  
509
 
</refentry>
510
 
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