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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" [
4
 
<!ENTITY VERSION "1.0">
5
 
<!ENTITY COMMANDNAME "mandos-keygen">
6
 
<!ENTITY TIMESTAMP "2008-08-31">
7
 
]>
8
 
 
9
 
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
10
 
  <refentryinfo>
11
 
    <title>Mandos Manual</title>
12
 
    <!-- NWalsh’s docbook scripts use this to generate the footer: -->
13
 
    <productname>Mandos</productname>
14
 
    <productnumber>&VERSION;</productnumber>
15
 
    <date>&TIMESTAMP;</date>
16
 
    <authorgroup>
17
 
      <author>
18
 
        <firstname>Björn</firstname>
19
 
        <surname>Påhlsson</surname>
20
 
        <address>
21
 
          <email>belorn@fukt.bsnet.se</email>
22
 
        </address>
23
 
      </author>
24
 
      <author>
25
 
        <firstname>Teddy</firstname>
26
 
        <surname>Hogeborn</surname>
27
 
        <address>
28
 
          <email>teddy@fukt.bsnet.se</email>
29
 
        </address>
30
 
      </author>
31
 
    </authorgroup>
32
 
    <copyright>
33
 
      <year>2008</year>
34
 
      <holder>Teddy Hogeborn</holder>
35
 
      <holder>Björn Påhlsson</holder>
36
 
    </copyright>
37
 
    <xi:include href="legalnotice.xml"/>
38
 
  </refentryinfo>
39
 
 
40
 
  <refmeta>
41
 
    <refentrytitle>&COMMANDNAME;</refentrytitle>
42
 
    <manvolnum>8</manvolnum>
43
 
  </refmeta>
44
 
  
45
 
  <refnamediv>
46
 
    <refname><command>&COMMANDNAME;</command></refname>
47
 
    <refpurpose>
48
 
      Generate key and password for Mandos client and server.
49
 
    </refpurpose>
50
 
  </refnamediv>
51
 
 
52
 
  <refsynopsisdiv>
53
 
    <cmdsynopsis>
54
 
      <command>&COMMANDNAME;</command>
55
 
      <group>
56
 
        <arg choice="plain"><option>--dir
57
 
        <replaceable>DIRECTORY</replaceable></option></arg>
58
 
        <arg choice="plain"><option>-d
59
 
        <replaceable>DIRECTORY</replaceable></option></arg>
60
 
      </group>
61
 
      <sbr/>
62
 
      <group>
63
 
        <arg choice="plain"><option>--type
64
 
        <replaceable>KEYTYPE</replaceable></option></arg>
65
 
        <arg choice="plain"><option>-t
66
 
        <replaceable>KEYTYPE</replaceable></option></arg>
67
 
      </group>
68
 
      <sbr/>
69
 
      <group>
70
 
        <arg choice="plain"><option>--length
71
 
        <replaceable>BITS</replaceable></option></arg>
72
 
        <arg choice="plain"><option>-l
73
 
        <replaceable>BITS</replaceable></option></arg>
74
 
      </group>
75
 
      <sbr/>
76
 
      <group>
77
 
        <arg choice="plain"><option>--subtype
78
 
        <replaceable>KEYTYPE</replaceable></option></arg>
79
 
        <arg choice="plain"><option>-s
80
 
        <replaceable>KEYTYPE</replaceable></option></arg>
81
 
      </group>
82
 
      <sbr/>
83
 
      <group>
84
 
        <arg choice="plain"><option>--sublength
85
 
        <replaceable>BITS</replaceable></option></arg>
86
 
        <arg choice="plain"><option>-L
87
 
        <replaceable>BITS</replaceable></option></arg>
88
 
      </group>
89
 
      <sbr/>
90
 
      <group>
91
 
        <arg choice="plain"><option>--name
92
 
        <replaceable>NAME</replaceable></option></arg>
93
 
        <arg choice="plain"><option>-n
94
 
        <replaceable>NAME</replaceable></option></arg>
95
 
      </group>
96
 
      <sbr/>
97
 
      <group>
98
 
        <arg choice="plain"><option>--email
99
 
        <replaceable>ADDRESS</replaceable></option></arg>
100
 
        <arg choice="plain"><option>-e
101
 
        <replaceable>ADDRESS</replaceable></option></arg>
102
 
      </group>
103
 
      <sbr/>
104
 
      <group>
105
 
        <arg choice="plain"><option>--comment
106
 
        <replaceable>TEXT</replaceable></option></arg>
107
 
        <arg choice="plain"><option>-c
108
 
        <replaceable>TEXT</replaceable></option></arg>
109
 
      </group>
110
 
      <sbr/>
111
 
      <group>
112
 
        <arg choice="plain"><option>--expire
113
 
        <replaceable>TIME</replaceable></option></arg>
114
 
        <arg choice="plain"><option>-x
115
 
        <replaceable>TIME</replaceable></option></arg>
116
 
      </group>
117
 
      <sbr/>
118
 
      <arg><option>--force</option></arg>
119
 
    </cmdsynopsis>
120
 
    <cmdsynopsis>
121
 
      <command>&COMMANDNAME;</command>
122
 
      <group choice="req">
123
 
        <arg choice="plain"><option>--password</option></arg>
124
 
        <arg choice="plain"><option>-p</option></arg>
125
 
      </group>
126
 
      <sbr/>
127
 
      <group>
128
 
        <arg choice="plain"><option>--dir
129
 
        <replaceable>DIRECTORY</replaceable></option></arg>
130
 
        <arg choice="plain"><option>-d
131
 
        <replaceable>DIRECTORY</replaceable></option></arg>
132
 
      </group>
133
 
      <sbr/>
134
 
      <group>
135
 
        <arg choice="plain"><option>--name
136
 
        <replaceable>NAME</replaceable></option></arg>
137
 
        <arg choice="plain"><option>-n
138
 
        <replaceable>NAME</replaceable></option></arg>
139
 
      </group>
140
 
    </cmdsynopsis>
141
 
    <cmdsynopsis>
142
 
      <command>&COMMANDNAME;</command>
143
 
      <group choice="req">
144
 
        <arg choice="plain"><option>--help</option></arg>
145
 
        <arg choice="plain"><option>-h</option></arg>
146
 
      </group>
147
 
    </cmdsynopsis>
148
 
    <cmdsynopsis>
149
 
      <command>&COMMANDNAME;</command>
150
 
      <group choice="req">
151
 
        <arg choice="plain"><option>--version</option></arg>
152
 
        <arg choice="plain"><option>-v</option></arg>
153
 
      </group>
154
 
    </cmdsynopsis>
155
 
  </refsynopsisdiv>
156
 
  
157
 
  <refsect1 id="description">
158
 
    <title>DESCRIPTION</title>
159
 
    <para>
160
 
      <command>&COMMANDNAME;</command> is a program to generate the
161
 
      OpenPGP key used by
162
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
163
 
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
164
 
      normally written to /etc/mandos for later installation into the
165
 
      initrd image, but this, and most other things, can be changed
166
 
      with command line options.
167
 
    </para>
168
 
    <para>
169
 
      This program can also be used with the
170
 
      <option>--password</option> option to generate a ready-made
171
 
      section for <filename>clients.conf</filename> (see
172
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
173
 
      <manvolnum>5</manvolnum></citerefentry>).
174
 
    </para>
175
 
  </refsect1>
176
 
  
177
 
  <refsect1 id="purpose">
178
 
    <title>PURPOSE</title>
179
 
    <para>
180
 
      The purpose of this is to enable <emphasis>remote and unattended
181
 
      rebooting</emphasis> of client host computer with an
182
 
      <emphasis>encrypted root file system</emphasis>.  See <xref
183
 
      linkend="overview"/> for details.
184
 
    </para>
185
 
  </refsect1>
186
 
  
187
 
  <refsect1 id="options">
188
 
    <title>OPTIONS</title>
189
 
    
190
 
    <variablelist>
191
 
      <varlistentry>
192
 
        <term><option>--help</option></term>
193
 
        <term><option>-h</option></term>
194
 
        <listitem>
195
 
          <para>
196
 
            Show a help message and exit
197
 
          </para>
198
 
        </listitem>
199
 
      </varlistentry>
200
 
 
201
 
      <varlistentry>
202
 
        <term><option>--dir
203
 
        <replaceable>DIRECTORY</replaceable></option></term>
204
 
        <term><option>-d
205
 
        <replaceable>DIRECTORY</replaceable></option></term>
206
 
        <listitem>
207
 
          <para>
208
 
            Target directory for key files.  Default is
209
 
            <filename>/etc/mandos</filename>.
210
 
          </para>
211
 
        </listitem>
212
 
      </varlistentry>
213
 
 
214
 
      <varlistentry>
215
 
        <term><option>--type
216
 
        <replaceable>TYPE</replaceable></option></term>
217
 
        <term><option>-t
218
 
        <replaceable>TYPE</replaceable></option></term>
219
 
        <listitem>
220
 
          <para>
221
 
            Key type.  Default is <quote>DSA</quote>.
222
 
          </para>
223
 
        </listitem>
224
 
      </varlistentry>
225
 
 
226
 
      <varlistentry>
227
 
        <term><option>--length
228
 
        <replaceable>BITS</replaceable></option></term>
229
 
        <term><option>-l
230
 
        <replaceable>BITS</replaceable></option></term>
231
 
        <listitem>
232
 
          <para>
233
 
            Key length in bits.  Default is 2048.
234
 
          </para>
235
 
        </listitem>
236
 
      </varlistentry>
237
 
 
238
 
      <varlistentry>
239
 
        <term><option>--subtype
240
 
        <replaceable>KEYTYPE</replaceable></option></term>
241
 
        <term><option>-s
242
 
        <replaceable>KEYTYPE</replaceable></option></term>
243
 
        <listitem>
244
 
          <para>
245
 
            Subkey type.  Default is <quote>ELG-E</quote> (Elgamal
246
 
            encryption-only).
247
 
          </para>
248
 
        </listitem>
249
 
      </varlistentry>
250
 
 
251
 
      <varlistentry>
252
 
        <term><option>--sublength
253
 
        <replaceable>BITS</replaceable></option></term>
254
 
        <term><option>-L
255
 
        <replaceable>BITS</replaceable></option></term>
256
 
        <listitem>
257
 
          <para>
258
 
            Subkey length in bits.  Default is 2048.
259
 
          </para>
260
 
        </listitem>
261
 
      </varlistentry>
262
 
 
263
 
      <varlistentry>
264
 
        <term><option>--email
265
 
        <replaceable>ADDRESS</replaceable></option></term>
266
 
        <term><option>-e
267
 
        <replaceable>ADDRESS</replaceable></option></term>
268
 
        <listitem>
269
 
          <para>
270
 
            Email address of key.  Default is empty.
271
 
          </para>
272
 
        </listitem>
273
 
      </varlistentry>
274
 
 
275
 
      <varlistentry>
276
 
        <term><option>--comment
277
 
        <replaceable>TEXT</replaceable></option></term>
278
 
        <term><option>-c
279
 
        <replaceable>TEXT</replaceable></option></term>
280
 
        <listitem>
281
 
          <para>
282
 
            Comment field for key.  The default value is
283
 
            <quote><literal>Mandos client key</literal></quote>.
284
 
          </para>
285
 
        </listitem>
286
 
      </varlistentry>
287
 
 
288
 
      <varlistentry>
289
 
        <term><option>--expire
290
 
        <replaceable>TIME</replaceable></option></term>
291
 
        <term><option>-x
292
 
        <replaceable>TIME</replaceable></option></term>
293
 
        <listitem>
294
 
          <para>
295
 
            Key expire time.  Default is no expiration.  See
296
 
            <citerefentry><refentrytitle>gpg</refentrytitle>
297
 
            <manvolnum>1</manvolnum></citerefentry> for syntax.
298
 
          </para>
299
 
        </listitem>
300
 
      </varlistentry>
301
 
 
302
 
      <varlistentry>
303
 
        <term><option>--force</option></term>
304
 
        <term><option>-f</option></term>
305
 
        <listitem>
306
 
          <para>
307
 
            Force overwriting old key.
308
 
          </para>
309
 
        </listitem>
310
 
      </varlistentry>
311
 
      <varlistentry>
312
 
        <term><option>--password</option></term>
313
 
        <term><option>-p</option></term>
314
 
        <listitem>
315
 
          <para>
316
 
            Prompt for a password and encrypt it with the key already
317
 
            present in either <filename>/etc/mandos</filename> or the
318
 
            directory specified with the <option>--dir</option>
319
 
            option.  Outputs, on standard output, a section suitable
320
 
            for inclusion in <citerefentry><refentrytitle
321
 
            >mandos-clients.conf</refentrytitle><manvolnum
322
 
            >8</manvolnum></citerefentry>.  The host name or the name
323
 
            specified with the <option>--name</option> option is used
324
 
            for the section header.  All other options are ignored,
325
 
            and no key is created.
326
 
          </para>
327
 
        </listitem>
328
 
      </varlistentry>
329
 
    </variablelist>
330
 
  </refsect1>
331
 
 
332
 
  <refsect1 id="overview">
333
 
    <title>OVERVIEW</title>
334
 
    <xi:include href="overview.xml"/>
335
 
    <para>
336
 
      This program is a small utility to generate new OpenPGP keys for
337
 
      new Mandos clients, and to generate sections for inclusion in
338
 
      <filename>clients.conf</filename> on the server.
339
 
    </para>
340
 
  </refsect1>
341
 
 
342
 
  <refsect1 id="exit_status">
343
 
    <title>EXIT STATUS</title>
344
 
    <para>
345
 
      The exit status will be 0 if a new key (or password, if the
346
 
      <option>--password</option> option was used) was successfully
347
 
      created, otherwise not.
348
 
    </para>
349
 
  </refsect1>
350
 
  
351
 
  <refsect1 id="environment">
352
 
    <title>ENVIRONMENT</title>
353
 
    <variablelist>
354
 
      <varlistentry>
355
 
        <term><envar>TMPDIR</envar></term>
356
 
        <listitem>
357
 
          <para>
358
 
            If set, temporary files will be created here. See
359
 
            <citerefentry><refentrytitle>mktemp</refentrytitle>
360
 
            <manvolnum>1</manvolnum></citerefentry>.
361
 
          </para>
362
 
        </listitem>
363
 
      </varlistentry>
364
 
    </variablelist>
365
 
  </refsect1>
366
 
  
367
 
  <refsect1 id="file">
368
 
    <title>FILES</title>
369
 
    <para>
370
 
      Use the <option>--dir</option> option to change where
371
 
      <command>&COMMANDNAME;</command> will write the key files.  The
372
 
      default file names are shown here.
373
 
    </para>
374
 
    <variablelist>
375
 
      <varlistentry>
376
 
        <term><filename>/etc/mandos/seckey.txt</filename></term>
377
 
        <listitem>
378
 
          <para>
379
 
            OpenPGP secret key file which will be created or
380
 
            overwritten.
381
 
          </para>
382
 
        </listitem>
383
 
      </varlistentry>
384
 
      <varlistentry>
385
 
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
386
 
        <listitem>
387
 
          <para>
388
 
            OpenPGP public key file which will be created or
389
 
            overwritten.
390
 
          </para>
391
 
        </listitem>
392
 
      </varlistentry>
393
 
      <varlistentry>
394
 
        <term><filename>/tmp</filename></term>
395
 
        <listitem>
396
 
          <para>
397
 
            Temporary files will be written here if
398
 
            <varname>TMPDIR</varname> is not set.
399
 
          </para>
400
 
        </listitem>
401
 
      </varlistentry>
402
 
    </variablelist>
403
 
  </refsect1>
404
 
 
405
 
  <refsect1 id="bugs">
406
 
    <title>BUGS</title>
407
 
    <para>
408
 
      None are known at this time.
409
 
    </para>
410
 
  </refsect1>
411
 
 
412
 
  <refsect1 id="example">
413
 
    <title>EXAMPLE</title>
414
 
    <informalexample>
415
 
      <para>
416
 
        Normal invocation needs no options:
417
 
      </para>
418
 
      <para>
419
 
        <userinput>&COMMANDNAME;</userinput>
420
 
      </para>
421
 
    </informalexample>
422
 
    <informalexample>
423
 
      <para>
424
 
        Create key in another directory and of another type.  Force
425
 
        overwriting old key files:
426
 
      </para>
427
 
      <para>
428
 
 
429
 
<!-- do not wrap this line -->
430
 
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
431
 
 
432
 
      </para>
433
 
    </informalexample>
434
 
    <informalexample>
435
 
      <para>
436
 
        Prompt for a password, encrypt it with the key in
437
 
        <filename>/etc/mandos</filename> and output a section suitable
438
 
        for <filename>clients.conf</filename>.
439
 
      </para>
440
 
      <para>
441
 
        <userinput>&COMMANDNAME; --password</userinput>
442
 
      </para>
443
 
    </informalexample>
444
 
    <informalexample>
445
 
      <para>
446
 
        Prompt for a password, encrypt it with the key in the
447
 
        <filename>client-key</filename> directory and output a section
448
 
        suitable for <filename>clients.conf</filename>.
449
 
      </para>
450
 
      <para>
451
 
 
452
 
<!-- do not wrap this line -->
453
 
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
454
 
 
455
 
      </para>
456
 
    </informalexample>
457
 
  </refsect1>
458
 
 
459
 
  <refsect1 id="security">
460
 
    <title>SECURITY</title>
461
 
    <para>
462
 
      The <option>--type</option>, <option>--length</option>,
463
 
      <option>--subtype</option>, and <option>--sublength</option>
464
 
      options can be used to create keys of low security.  If in
465
 
      doubt, leave them to the default values.
466
 
    </para>
467
 
    <para>
468
 
      The key expire time is <emphasis>not</emphasis> guaranteed to be
469
 
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
470
 
      <manvolnum>8</manvolnum></citerefentry>.
471
 
    </para>
472
 
  </refsect1>
473
 
 
474
 
  <refsect1 id="see_also">
475
 
    <title>SEE ALSO</title>
476
 
    <para>
477
 
      <citerefentry><refentrytitle>gpg</refentrytitle>
478
 
      <manvolnum>1</manvolnum></citerefentry>,
479
 
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
480
 
      <manvolnum>5</manvolnum></citerefentry>,
481
 
      <citerefentry><refentrytitle>mandos</refentrytitle>
482
 
      <manvolnum>8</manvolnum></citerefentry>,
483
 
      <citerefentry><refentrytitle>password-request</refentrytitle>
484
 
      <manvolnum>8mandos</manvolnum></citerefentry>
485
 
    </para>
486
 
  </refsect1>
487
 
  
488
 
</refentry>
489
 
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490
 
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491
 
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492
 
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493
 
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