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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">
 
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<!ENTITY TIMESTAMP "2009-01-04">
 
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<!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@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
      <year>2009</year>
 
36
      <holder>Teddy Hogeborn</holder>
 
37
      <holder>Björn Påhlsson</holder>
 
38
    </copyright>
 
39
    <xi:include href="legalnotice.xml"/>
 
40
  </refentryinfo>
 
41
  
 
42
  <refmeta>
 
43
    <refentrytitle>&COMMANDNAME;</refentrytitle>
 
44
    <manvolnum>8</manvolnum>
 
45
  </refmeta>
 
46
  
 
47
  <refnamediv>
 
48
    <refname><command>&COMMANDNAME;</command></refname>
 
49
    <refpurpose>
 
50
      Generate key and password for Mandos client and server.
 
51
    </refpurpose>
 
52
  </refnamediv>
 
53
  
 
54
  <refsynopsisdiv>
 
55
    <cmdsynopsis>
 
56
      <command>&COMMANDNAME;</command>
 
57
      <group>
 
58
        <arg choice="plain"><option>--dir
 
59
        <replaceable>DIRECTORY</replaceable></option></arg>
 
60
        <arg choice="plain"><option>-d
 
61
        <replaceable>DIRECTORY</replaceable></option></arg>
 
62
      </group>
 
63
      <sbr/>
 
64
      <group>
 
65
        <arg choice="plain"><option>--type
 
66
        <replaceable>KEYTYPE</replaceable></option></arg>
 
67
        <arg choice="plain"><option>-t
 
68
        <replaceable>KEYTYPE</replaceable></option></arg>
 
69
      </group>
 
70
      <sbr/>
 
71
      <group>
 
72
        <arg choice="plain"><option>--length
 
73
        <replaceable>BITS</replaceable></option></arg>
 
74
        <arg choice="plain"><option>-l
 
75
        <replaceable>BITS</replaceable></option></arg>
 
76
      </group>
 
77
      <sbr/>
 
78
      <group>
 
79
        <arg choice="plain"><option>--subtype
 
80
        <replaceable>KEYTYPE</replaceable></option></arg>
 
81
        <arg choice="plain"><option>-s
 
82
        <replaceable>KEYTYPE</replaceable></option></arg>
 
83
      </group>
 
84
      <sbr/>
 
85
      <group>
 
86
        <arg choice="plain"><option>--sublength
 
87
        <replaceable>BITS</replaceable></option></arg>
 
88
        <arg choice="plain"><option>-L
 
89
        <replaceable>BITS</replaceable></option></arg>
 
90
      </group>
 
91
      <sbr/>
 
92
      <group>
 
93
        <arg choice="plain"><option>--name
 
94
        <replaceable>NAME</replaceable></option></arg>
 
95
        <arg choice="plain"><option>-n
 
96
        <replaceable>NAME</replaceable></option></arg>
 
97
      </group>
 
98
      <sbr/>
 
99
      <group>
 
100
        <arg choice="plain"><option>--email
 
101
        <replaceable>ADDRESS</replaceable></option></arg>
 
102
        <arg choice="plain"><option>-e
 
103
        <replaceable>ADDRESS</replaceable></option></arg>
 
104
      </group>
 
105
      <sbr/>
 
106
      <group>
 
107
        <arg choice="plain"><option>--comment
 
108
        <replaceable>TEXT</replaceable></option></arg>
 
109
        <arg choice="plain"><option>-c
 
110
        <replaceable>TEXT</replaceable></option></arg>
 
111
      </group>
 
112
      <sbr/>
 
113
      <group>
 
114
        <arg choice="plain"><option>--expire
 
115
        <replaceable>TIME</replaceable></option></arg>
 
116
        <arg choice="plain"><option>-x
 
117
        <replaceable>TIME</replaceable></option></arg>
 
118
      </group>
 
119
      <sbr/>
 
120
      <arg><option>--force</option></arg>
 
121
    </cmdsynopsis>
 
122
    <cmdsynopsis>
 
123
      <command>&COMMANDNAME;</command>
 
124
      <group choice="req">
 
125
        <arg choice="plain"><option>--password</option></arg>
 
126
        <arg choice="plain"><option>-p</option></arg>
 
127
        <arg choice="plain"><option>--passfile
 
128
        <replaceable>FILE</replaceable></option></arg>
 
129
        <arg choice="plain"><option>-F</option>
 
130
        <replaceable>FILE</replaceable></arg>
 
131
      </group>
 
132
      <sbr/>
 
133
      <group>
 
134
        <arg choice="plain"><option>--dir
 
135
        <replaceable>DIRECTORY</replaceable></option></arg>
 
136
        <arg choice="plain"><option>-d
 
137
        <replaceable>DIRECTORY</replaceable></option></arg>
 
138
      </group>
 
139
      <sbr/>
 
140
      <group>
 
141
        <arg choice="plain"><option>--name
 
142
        <replaceable>NAME</replaceable></option></arg>
 
143
        <arg choice="plain"><option>-n
 
144
        <replaceable>NAME</replaceable></option></arg>
 
145
      </group>
 
146
    </cmdsynopsis>
 
147
    <cmdsynopsis>
 
148
      <command>&COMMANDNAME;</command>
 
149
      <group choice="req">
 
150
        <arg choice="plain"><option>--help</option></arg>
 
151
        <arg choice="plain"><option>-h</option></arg>
 
152
      </group>
 
153
    </cmdsynopsis>
 
154
    <cmdsynopsis>
 
155
      <command>&COMMANDNAME;</command>
 
156
      <group choice="req">
 
157
        <arg choice="plain"><option>--version</option></arg>
 
158
        <arg choice="plain"><option>-v</option></arg>
 
159
      </group>
 
160
    </cmdsynopsis>
 
161
  </refsynopsisdiv>
 
162
  
 
163
  <refsect1 id="description">
 
164
    <title>DESCRIPTION</title>
 
165
    <para>
 
166
      <command>&COMMANDNAME;</command> is a program to generate the
 
167
      OpenPGP key used by
 
168
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
169
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
 
170
      normally written to /etc/mandos for later installation into the
 
171
      initrd image, but this, and most other things, can be changed
 
172
      with command line options.
 
173
    </para>
 
174
    <para>
 
175
      This program can also be used with the
 
176
      <option>--password</option> or <option>--passfile</option>
 
177
      options to generate a ready-made section for
 
178
      <filename>clients.conf</filename> (see
 
179
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
180
      <manvolnum>5</manvolnum></citerefentry>).
 
181
    </para>
 
182
  </refsect1>
 
183
  
 
184
  <refsect1 id="purpose">
 
185
    <title>PURPOSE</title>
 
186
    <para>
 
187
      The purpose of this is to enable <emphasis>remote and unattended
 
188
      rebooting</emphasis> of client host computer with an
 
189
      <emphasis>encrypted root file system</emphasis>.  See <xref
 
190
      linkend="overview"/> for details.
 
191
    </para>
 
192
  </refsect1>
 
193
  
 
194
  <refsect1 id="options">
 
195
    <title>OPTIONS</title>
 
196
    
 
197
    <variablelist>
 
198
      <varlistentry>
 
199
        <term><option>--help</option></term>
 
200
        <term><option>-h</option></term>
 
201
        <listitem>
 
202
          <para>
 
203
            Show a help message and exit
 
204
          </para>
 
205
        </listitem>
 
206
      </varlistentry>
 
207
      
 
208
      <varlistentry>
 
209
        <term><option>--dir
 
210
        <replaceable>DIRECTORY</replaceable></option></term>
 
211
        <term><option>-d
 
212
        <replaceable>DIRECTORY</replaceable></option></term>
 
213
        <listitem>
 
214
          <para>
 
215
            Target directory for key files.  Default is
 
216
            <filename>/etc/mandos</filename>.
 
217
          </para>
 
218
        </listitem>
 
219
      </varlistentry>
 
220
      
 
221
      <varlistentry>
 
222
        <term><option>--type
 
223
        <replaceable>TYPE</replaceable></option></term>
 
224
        <term><option>-t
 
225
        <replaceable>TYPE</replaceable></option></term>
 
226
        <listitem>
 
227
          <para>
 
228
            Key type.  Default is <quote>DSA</quote>.
 
229
          </para>
 
230
        </listitem>
 
231
      </varlistentry>
 
232
      
 
233
      <varlistentry>
 
234
        <term><option>--length
 
235
        <replaceable>BITS</replaceable></option></term>
 
236
        <term><option>-l
 
237
        <replaceable>BITS</replaceable></option></term>
 
238
        <listitem>
 
239
          <para>
 
240
            Key length in bits.  Default is 2048.
 
241
          </para>
 
242
        </listitem>
 
243
      </varlistentry>
 
244
      
 
245
      <varlistentry>
 
246
        <term><option>--subtype
 
247
        <replaceable>KEYTYPE</replaceable></option></term>
 
248
        <term><option>-s
 
249
        <replaceable>KEYTYPE</replaceable></option></term>
 
250
        <listitem>
 
251
          <para>
 
252
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
 
253
            encryption-only).
 
254
          </para>
 
255
        </listitem>
 
256
      </varlistentry>
 
257
      
 
258
      <varlistentry>
 
259
        <term><option>--sublength
 
260
        <replaceable>BITS</replaceable></option></term>
 
261
        <term><option>-L
 
262
        <replaceable>BITS</replaceable></option></term>
 
263
        <listitem>
 
264
          <para>
 
265
            Subkey length in bits.  Default is 2048.
 
266
          </para>
 
267
        </listitem>
 
268
      </varlistentry>
 
269
      
 
270
      <varlistentry>
 
271
        <term><option>--email
 
272
        <replaceable>ADDRESS</replaceable></option></term>
 
273
        <term><option>-e
 
274
        <replaceable>ADDRESS</replaceable></option></term>
 
275
        <listitem>
 
276
          <para>
 
277
            Email address of key.  Default is empty.
 
278
          </para>
 
279
        </listitem>
 
280
      </varlistentry>
 
281
      
 
282
      <varlistentry>
 
283
        <term><option>--comment
 
284
        <replaceable>TEXT</replaceable></option></term>
 
285
        <term><option>-c
 
286
        <replaceable>TEXT</replaceable></option></term>
 
287
        <listitem>
 
288
          <para>
 
289
            Comment field for key.  The default value is
 
290
            <quote><literal>Mandos client key</literal></quote>.
 
291
          </para>
 
292
        </listitem>
 
293
      </varlistentry>
 
294
      
 
295
      <varlistentry>
 
296
        <term><option>--expire
 
297
        <replaceable>TIME</replaceable></option></term>
 
298
        <term><option>-x
 
299
        <replaceable>TIME</replaceable></option></term>
 
300
        <listitem>
 
301
          <para>
 
302
            Key expire time.  Default is no expiration.  See
 
303
            <citerefentry><refentrytitle>gpg</refentrytitle>
 
304
            <manvolnum>1</manvolnum></citerefentry> for syntax.
 
305
          </para>
 
306
        </listitem>
 
307
      </varlistentry>
 
308
      
 
309
      <varlistentry>
 
310
        <term><option>--force</option></term>
 
311
        <term><option>-f</option></term>
 
312
        <listitem>
 
313
          <para>
 
314
            Force overwriting old key.
 
315
          </para>
 
316
        </listitem>
 
317
      </varlistentry>
 
318
      <varlistentry>
 
319
        <term><option>--password</option></term>
 
320
        <term><option>-p</option></term>
 
321
        <listitem>
 
322
          <para>
 
323
            Prompt for a password and encrypt it with the key already
 
324
            present in either <filename>/etc/mandos</filename> or the
 
325
            directory specified with the <option>--dir</option>
 
326
            option.  Outputs, on standard output, a section suitable
 
327
            for inclusion in <citerefentry><refentrytitle
 
328
            >mandos-clients.conf</refentrytitle><manvolnum
 
329
            >8</manvolnum></citerefentry>.  The host name or the name
 
330
            specified with the <option>--name</option> option is used
 
331
            for the section header.  All other options are ignored,
 
332
            and no key is created.
 
333
          </para>
 
334
        </listitem>
 
335
      </varlistentry>
 
336
      <varlistentry>
 
337
        <term><option>--passfile
 
338
        <replaceable>FILE</replaceable></option></term>
 
339
        <term><option>-F
 
340
        <replaceable>FILE</replaceable></option></term>
 
341
        <listitem>
 
342
          <para>
 
343
            The same as <option>--password</option>, but read from
 
344
            <replaceable>FILE</replaceable>, not the terminal.
 
345
          </para>
 
346
        </listitem>
 
347
      </varlistentry>
 
348
    </variablelist>
 
349
  </refsect1>
 
350
  
 
351
  <refsect1 id="overview">
 
352
    <title>OVERVIEW</title>
 
353
    <xi:include href="overview.xml"/>
 
354
    <para>
 
355
      This program is a small utility to generate new OpenPGP keys for
 
356
      new Mandos clients, and to generate sections for inclusion in
 
357
      <filename>clients.conf</filename> on the server.
 
358
    </para>
 
359
  </refsect1>
 
360
  
 
361
  <refsect1 id="exit_status">
 
362
    <title>EXIT STATUS</title>
 
363
    <para>
 
364
      The exit status will be 0 if a new key (or password, if the
 
365
      <option>--password</option> option was used) was successfully
 
366
      created, otherwise not.
 
367
    </para>
 
368
  </refsect1>
 
369
  
 
370
  <refsect1 id="environment">
 
371
    <title>ENVIRONMENT</title>
 
372
    <variablelist>
 
373
      <varlistentry>
 
374
        <term><envar>TMPDIR</envar></term>
 
375
        <listitem>
 
376
          <para>
 
377
            If set, temporary files will be created here. See
 
378
            <citerefentry><refentrytitle>mktemp</refentrytitle>
 
379
            <manvolnum>1</manvolnum></citerefentry>.
 
380
          </para>
 
381
        </listitem>
 
382
      </varlistentry>
 
383
    </variablelist>
 
384
  </refsect1>
 
385
  
 
386
  <refsect1 id="files">
 
387
    <title>FILES</title>
 
388
    <para>
 
389
      Use the <option>--dir</option> option to change where
 
390
      <command>&COMMANDNAME;</command> will write the key files.  The
 
391
      default file names are shown here.
 
392
    </para>
 
393
    <variablelist>
 
394
      <varlistentry>
 
395
        <term><filename>/etc/mandos/seckey.txt</filename></term>
 
396
        <listitem>
 
397
          <para>
 
398
            OpenPGP secret key file which will be created or
 
399
            overwritten.
 
400
          </para>
 
401
        </listitem>
 
402
      </varlistentry>
 
403
      <varlistentry>
 
404
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
 
405
        <listitem>
 
406
          <para>
 
407
            OpenPGP public key file which will be created or
 
408
            overwritten.
 
409
          </para>
 
410
        </listitem>
 
411
      </varlistentry>
 
412
      <varlistentry>
 
413
        <term><filename>/tmp</filename></term>
 
414
        <listitem>
 
415
          <para>
 
416
            Temporary files will be written here if
 
417
            <varname>TMPDIR</varname> is not set.
 
418
          </para>
 
419
        </listitem>
 
420
      </varlistentry>
 
421
    </variablelist>
 
422
  </refsect1>
 
423
  
 
424
<!--   <refsect1 id="bugs"> -->
 
425
<!--     <title>BUGS</title> -->
 
426
<!--     <para> -->
 
427
<!--     </para> -->
 
428
<!--   </refsect1> -->
 
429
  
 
430
  <refsect1 id="example">
 
431
    <title>EXAMPLE</title>
 
432
    <informalexample>
 
433
      <para>
 
434
        Normal invocation needs no options:
 
435
      </para>
 
436
      <para>
 
437
        <userinput>&COMMANDNAME;</userinput>
 
438
      </para>
 
439
    </informalexample>
 
440
    <informalexample>
 
441
      <para>
 
442
        Create key in another directory and of another type.  Force
 
443
        overwriting old key files:
 
444
      </para>
 
445
      <para>
 
446
 
 
447
<!-- do not wrap this line -->
 
448
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
 
449
 
 
450
      </para>
 
451
    </informalexample>
 
452
    <informalexample>
 
453
      <para>
 
454
        Prompt for a password, encrypt it with the key in
 
455
        <filename>/etc/mandos</filename> and output a section suitable
 
456
        for <filename>clients.conf</filename>.
 
457
      </para>
 
458
      <para>
 
459
        <userinput>&COMMANDNAME; --password</userinput>
 
460
      </para>
 
461
    </informalexample>
 
462
    <informalexample>
 
463
      <para>
 
464
        Prompt for a password, encrypt it with the key in the
 
465
        <filename>client-key</filename> directory and output a section
 
466
        suitable for <filename>clients.conf</filename>.
 
467
      </para>
 
468
      <para>
 
469
 
 
470
<!-- do not wrap this line -->
 
471
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
 
472
 
 
473
      </para>
 
474
    </informalexample>
 
475
  </refsect1>
 
476
  
 
477
  <refsect1 id="security">
 
478
    <title>SECURITY</title>
 
479
    <para>
 
480
      The <option>--type</option>, <option>--length</option>,
 
481
      <option>--subtype</option>, and <option>--sublength</option>
 
482
      options can be used to create keys of low security.  If in
 
483
      doubt, leave them to the default values.
 
484
    </para>
 
485
    <para>
 
486
      The key expire time is <emphasis>not</emphasis> guaranteed to be
 
487
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
 
488
      <manvolnum>8</manvolnum></citerefentry>.
 
489
    </para>
 
490
  </refsect1>
 
491
  
 
492
  <refsect1 id="see_also">
 
493
    <title>SEE ALSO</title>
 
494
    <para>
 
495
      <citerefentry><refentrytitle>gpg</refentrytitle>
 
496
      <manvolnum>1</manvolnum></citerefentry>,
 
497
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
498
      <manvolnum>5</manvolnum></citerefentry>,
 
499
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
500
      <manvolnum>8</manvolnum></citerefentry>,
 
501
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
502
      <manvolnum>8mandos</manvolnum></citerefentry>
 
503
    </para>
 
504
  </refsect1>
 
505
  
 
506
</refentry>
 
507
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508
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