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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 "2009-01-04">
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@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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