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  • Committer: Teddy Hogeborn
  • Date: 2018-02-18 01:29:21 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 366.
  • Revision ID: teddy@recompile.se-20180218012921-itiazxid50ycv77o
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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">
 
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<!ENTITY TIMESTAMP "2018-02-08">
 
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<!ENTITY % common SYSTEM "common.ent">
 
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%common;
 
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]>
 
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: -->
 
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    <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>2010</year>
 
37
      <year>2011</year>
 
38
      <year>2012</year>
 
39
      <year>2013</year>
 
40
      <year>2014</year>
 
41
      <year>2015</year>
 
42
      <year>2016</year>
 
43
      <year>2017</year>
 
44
      <year>2018</year>
 
45
      <holder>Teddy Hogeborn</holder>
 
46
      <holder>Björn Påhlsson</holder>
 
47
    </copyright>
 
48
    <xi:include href="legalnotice.xml"/>
 
49
  </refentryinfo>
 
50
  
 
51
  <refmeta>
 
52
    <refentrytitle>&COMMANDNAME;</refentrytitle>
 
53
    <manvolnum>8</manvolnum>
 
54
  </refmeta>
 
55
  
 
56
  <refnamediv>
 
57
    <refname><command>&COMMANDNAME;</command></refname>
 
58
    <refpurpose>
 
59
      Generate key and password for Mandos client and server.
 
60
    </refpurpose>
 
61
  </refnamediv>
 
62
  
 
63
  <refsynopsisdiv>
 
64
    <cmdsynopsis>
 
65
      <command>&COMMANDNAME;</command>
 
66
      <group>
 
67
        <arg choice="plain"><option>--dir
 
68
        <replaceable>DIRECTORY</replaceable></option></arg>
 
69
        <arg choice="plain"><option>-d
 
70
        <replaceable>DIRECTORY</replaceable></option></arg>
 
71
      </group>
 
72
      <sbr/>
 
73
      <group>
 
74
        <arg choice="plain"><option>--type
 
75
        <replaceable>KEYTYPE</replaceable></option></arg>
 
76
        <arg choice="plain"><option>-t
 
77
        <replaceable>KEYTYPE</replaceable></option></arg>
 
78
      </group>
 
79
      <sbr/>
 
80
      <group>
 
81
        <arg choice="plain"><option>--length
 
82
        <replaceable>BITS</replaceable></option></arg>
 
83
        <arg choice="plain"><option>-l
 
84
        <replaceable>BITS</replaceable></option></arg>
 
85
      </group>
 
86
      <sbr/>
 
87
      <group>
 
88
        <arg choice="plain"><option>--subtype
 
89
        <replaceable>KEYTYPE</replaceable></option></arg>
 
90
        <arg choice="plain"><option>-s
 
91
        <replaceable>KEYTYPE</replaceable></option></arg>
 
92
      </group>
 
93
      <sbr/>
 
94
      <group>
 
95
        <arg choice="plain"><option>--sublength
 
96
        <replaceable>BITS</replaceable></option></arg>
 
97
        <arg choice="plain"><option>-L
 
98
        <replaceable>BITS</replaceable></option></arg>
 
99
      </group>
 
100
      <sbr/>
 
101
      <group>
 
102
        <arg choice="plain"><option>--name
 
103
        <replaceable>NAME</replaceable></option></arg>
 
104
        <arg choice="plain"><option>-n
 
105
        <replaceable>NAME</replaceable></option></arg>
 
106
      </group>
 
107
      <sbr/>
 
108
      <group>
 
109
        <arg choice="plain"><option>--email
 
110
        <replaceable>ADDRESS</replaceable></option></arg>
 
111
        <arg choice="plain"><option>-e
 
112
        <replaceable>ADDRESS</replaceable></option></arg>
 
113
      </group>
 
114
      <sbr/>
 
115
      <group>
 
116
        <arg choice="plain"><option>--comment
 
117
        <replaceable>TEXT</replaceable></option></arg>
 
118
        <arg choice="plain"><option>-c
 
119
        <replaceable>TEXT</replaceable></option></arg>
 
120
      </group>
 
121
      <sbr/>
 
122
      <group>
 
123
        <arg choice="plain"><option>--expire
 
124
        <replaceable>TIME</replaceable></option></arg>
 
125
        <arg choice="plain"><option>-x
 
126
        <replaceable>TIME</replaceable></option></arg>
 
127
      </group>
 
128
      <sbr/>
 
129
      <group>
 
130
        <arg choice="plain"><option>--force</option></arg>
 
131
        <arg choice="plain"><option>-f</option></arg>
 
132
      </group>
 
133
    </cmdsynopsis>
 
134
    <cmdsynopsis>
 
135
      <command>&COMMANDNAME;</command>
 
136
      <group choice="req">
 
137
        <arg choice="plain"><option>--password</option></arg>
 
138
        <arg choice="plain"><option>-p</option></arg>
 
139
        <arg choice="plain"><option>--passfile
 
140
        <replaceable>FILE</replaceable></option></arg>
 
141
        <arg choice="plain"><option>-F</option>
 
142
        <replaceable>FILE</replaceable></arg>
 
143
      </group>
 
144
      <sbr/>
 
145
      <group>
 
146
        <arg choice="plain"><option>--dir
 
147
        <replaceable>DIRECTORY</replaceable></option></arg>
 
148
        <arg choice="plain"><option>-d
 
149
        <replaceable>DIRECTORY</replaceable></option></arg>
 
150
      </group>
 
151
      <sbr/>
 
152
      <group>
 
153
        <arg choice="plain"><option>--name
 
154
        <replaceable>NAME</replaceable></option></arg>
 
155
        <arg choice="plain"><option>-n
 
156
        <replaceable>NAME</replaceable></option></arg>
 
157
      </group>
 
158
      <group>
 
159
        <arg choice="plain"><option>--no-ssh</option></arg>
 
160
        <arg choice="plain"><option>-S</option></arg>
 
161
      </group>
 
162
    </cmdsynopsis>
 
163
    <cmdsynopsis>
 
164
      <command>&COMMANDNAME;</command>
 
165
      <group choice="req">
 
166
        <arg choice="plain"><option>--help</option></arg>
 
167
        <arg choice="plain"><option>-h</option></arg>
 
168
      </group>
 
169
    </cmdsynopsis>
 
170
    <cmdsynopsis>
 
171
      <command>&COMMANDNAME;</command>
 
172
      <group choice="req">
 
173
        <arg choice="plain"><option>--version</option></arg>
 
174
        <arg choice="plain"><option>-v</option></arg>
 
175
      </group>
 
176
    </cmdsynopsis>
 
177
  </refsynopsisdiv>
 
178
  
 
179
  <refsect1 id="description">
 
180
    <title>DESCRIPTION</title>
 
181
    <para>
 
182
      <command>&COMMANDNAME;</command> is a program to generate the
 
183
      OpenPGP key used by
 
184
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
185
      <manvolnum>8mandos</manvolnum></citerefentry>.  The key is
 
186
      normally written to /etc/mandos for later installation into the
 
187
      initrd image, but this, and most other things, can be changed
 
188
      with command line options.
 
189
    </para>
 
190
    <para>
 
191
      This program can also be used with the
 
192
      <option>--password</option> or <option>--passfile</option>
 
193
      options to generate a ready-made section for
 
194
      <filename>clients.conf</filename> (see
 
195
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
196
      <manvolnum>5</manvolnum></citerefentry>).
 
197
    </para>
 
198
  </refsect1>
 
199
  
 
200
  <refsect1 id="purpose">
 
201
    <title>PURPOSE</title>
 
202
    <para>
 
203
      The purpose of this is to enable <emphasis>remote and unattended
 
204
      rebooting</emphasis> of client host computer with an
 
205
      <emphasis>encrypted root file system</emphasis>.  See <xref
 
206
      linkend="overview"/> for details.
 
207
    </para>
 
208
  </refsect1>
 
209
  
 
210
  <refsect1 id="options">
 
211
    <title>OPTIONS</title>
 
212
    
 
213
    <variablelist>
 
214
      <varlistentry>
 
215
        <term><option>--help</option></term>
 
216
        <term><option>-h</option></term>
 
217
        <listitem>
 
218
          <para>
 
219
            Show a help message and exit
 
220
          </para>
 
221
        </listitem>
 
222
      </varlistentry>
 
223
      
 
224
      <varlistentry>
 
225
        <term><option>--dir
 
226
        <replaceable>DIRECTORY</replaceable></option></term>
 
227
        <term><option>-d
 
228
        <replaceable>DIRECTORY</replaceable></option></term>
 
229
        <listitem>
 
230
          <para>
 
231
            Target directory for key files.  Default is
 
232
            <filename class="directory">/etc/mandos</filename>.
 
233
          </para>
 
234
        </listitem>
 
235
      </varlistentry>
 
236
      
 
237
      <varlistentry>
 
238
        <term><option>--type
 
239
        <replaceable>TYPE</replaceable></option></term>
 
240
        <term><option>-t
 
241
        <replaceable>TYPE</replaceable></option></term>
 
242
        <listitem>
 
243
          <para>
 
244
            Key type.  Default is <quote>RSA</quote>.
 
245
          </para>
 
246
        </listitem>
 
247
      </varlistentry>
 
248
      
 
249
      <varlistentry>
 
250
        <term><option>--length
 
251
        <replaceable>BITS</replaceable></option></term>
 
252
        <term><option>-l
 
253
        <replaceable>BITS</replaceable></option></term>
 
254
        <listitem>
 
255
          <para>
 
256
            Key length in bits.  Default is 4096.
 
257
          </para>
 
258
        </listitem>
 
259
      </varlistentry>
 
260
      
 
261
      <varlistentry>
 
262
        <term><option>--subtype
 
263
        <replaceable>KEYTYPE</replaceable></option></term>
 
264
        <term><option>-s
 
265
        <replaceable>KEYTYPE</replaceable></option></term>
 
266
        <listitem>
 
267
          <para>
 
268
            Subkey type.  Default is <quote>RSA</quote> (Elgamal
 
269
            encryption-only).
 
270
          </para>
 
271
        </listitem>
 
272
      </varlistentry>
 
273
      
 
274
      <varlistentry>
 
275
        <term><option>--sublength
 
276
        <replaceable>BITS</replaceable></option></term>
 
277
        <term><option>-L
 
278
        <replaceable>BITS</replaceable></option></term>
 
279
        <listitem>
 
280
          <para>
 
281
            Subkey length in bits.  Default is 4096.
 
282
          </para>
 
283
        </listitem>
 
284
      </varlistentry>
 
285
      
 
286
      <varlistentry>
 
287
        <term><option>--email
 
288
        <replaceable>ADDRESS</replaceable></option></term>
 
289
        <term><option>-e
 
290
        <replaceable>ADDRESS</replaceable></option></term>
 
291
        <listitem>
 
292
          <para>
 
293
            Email address of key.  Default is empty.
 
294
          </para>
 
295
        </listitem>
 
296
      </varlistentry>
 
297
      
 
298
      <varlistentry>
 
299
        <term><option>--comment
 
300
        <replaceable>TEXT</replaceable></option></term>
 
301
        <term><option>-c
 
302
        <replaceable>TEXT</replaceable></option></term>
 
303
        <listitem>
 
304
          <para>
 
305
            Comment field for key.  Default is empty.
 
306
          </para>
 
307
        </listitem>
 
308
      </varlistentry>
 
309
      
 
310
      <varlistentry>
 
311
        <term><option>--expire
 
312
        <replaceable>TIME</replaceable></option></term>
 
313
        <term><option>-x
 
314
        <replaceable>TIME</replaceable></option></term>
 
315
        <listitem>
 
316
          <para>
 
317
            Key expire time.  Default is no expiration.  See
 
318
            <citerefentry><refentrytitle>gpg</refentrytitle>
 
319
            <manvolnum>1</manvolnum></citerefentry> for syntax.
 
320
          </para>
 
321
        </listitem>
 
322
      </varlistentry>
 
323
      
 
324
      <varlistentry>
 
325
        <term><option>--force</option></term>
 
326
        <term><option>-f</option></term>
 
327
        <listitem>
 
328
          <para>
 
329
            Force overwriting old key.
 
330
          </para>
 
331
        </listitem>
 
332
      </varlistentry>
 
333
      <varlistentry>
 
334
        <term><option>--password</option></term>
 
335
        <term><option>-p</option></term>
 
336
        <listitem>
 
337
          <para>
 
338
            Prompt for a password and encrypt it with the key already
 
339
            present in either <filename>/etc/mandos</filename> or the
 
340
            directory specified with the <option>--dir</option>
 
341
            option.  Outputs, on standard output, a section suitable
 
342
            for inclusion in <citerefentry><refentrytitle
 
343
            >mandos-clients.conf</refentrytitle><manvolnum
 
344
            >8</manvolnum></citerefentry>.  The host name or the name
 
345
            specified with the <option>--name</option> option is used
 
346
            for the section header.  All other options are ignored,
 
347
            and no key is created.
 
348
          </para>
 
349
        </listitem>
 
350
      </varlistentry>
 
351
      <varlistentry>
 
352
        <term><option>--passfile
 
353
        <replaceable>FILE</replaceable></option></term>
 
354
        <term><option>-F
 
355
        <replaceable>FILE</replaceable></option></term>
 
356
        <listitem>
 
357
          <para>
 
358
            The same as <option>--password</option>, but read from
 
359
            <replaceable>FILE</replaceable>, not the terminal.
 
360
          </para>
 
361
        </listitem>
 
362
      </varlistentry>
 
363
      <varlistentry>
 
364
        <term><option>--no-ssh</option></term>
 
365
        <term><option>-S</option></term>
 
366
        <listitem>
 
367
          <para>
 
368
            When <option>--password</option> or
 
369
            <option>--passfile</option> is given, this option will
 
370
            prevent <command>&COMMANDNAME;</command> from calling
 
371
            <command>ssh-keyscan</command> to get an SSH fingerprint
 
372
            for this host and, if successful, output suitable config
 
373
            options to use this fingerprint as a
 
374
            <option>checker</option> option in the output.  This is
 
375
            otherwise the default behavior.
 
376
          </para>
 
377
        </listitem>
 
378
      </varlistentry>
 
379
    </variablelist>
 
380
  </refsect1>
 
381
  
 
382
  <refsect1 id="overview">
 
383
    <title>OVERVIEW</title>
 
384
    <xi:include href="overview.xml"/>
 
385
    <para>
 
386
      This program is a small utility to generate new OpenPGP keys for
 
387
      new Mandos clients, and to generate sections for inclusion in
 
388
      <filename>clients.conf</filename> on the server.
 
389
    </para>
 
390
  </refsect1>
 
391
  
 
392
  <refsect1 id="exit_status">
 
393
    <title>EXIT STATUS</title>
 
394
    <para>
 
395
      The exit status will be 0 if a new key (or password, if the
 
396
      <option>--password</option> option was used) was successfully
 
397
      created, otherwise not.
 
398
    </para>
 
399
  </refsect1>
 
400
  
 
401
  <refsect1 id="environment">
 
402
    <title>ENVIRONMENT</title>
 
403
    <variablelist>
 
404
      <varlistentry>
 
405
        <term><envar>TMPDIR</envar></term>
 
406
        <listitem>
 
407
          <para>
 
408
            If set, temporary files will be created here. See
 
409
            <citerefentry><refentrytitle>mktemp</refentrytitle>
 
410
            <manvolnum>1</manvolnum></citerefentry>.
 
411
          </para>
 
412
        </listitem>
 
413
      </varlistentry>
 
414
    </variablelist>
 
415
  </refsect1>
 
416
  
 
417
  <refsect1 id="files">
 
418
    <title>FILES</title>
 
419
    <para>
 
420
      Use the <option>--dir</option> option to change where
 
421
      <command>&COMMANDNAME;</command> will write the key files.  The
 
422
      default file names are shown here.
 
423
    </para>
 
424
    <variablelist>
 
425
      <varlistentry>
 
426
        <term><filename>/etc/mandos/seckey.txt</filename></term>
 
427
        <listitem>
 
428
          <para>
 
429
            OpenPGP secret key file which will be created or
 
430
            overwritten.
 
431
          </para>
 
432
        </listitem>
 
433
      </varlistentry>
 
434
      <varlistentry>
 
435
        <term><filename>/etc/mandos/pubkey.txt</filename></term>
 
436
        <listitem>
 
437
          <para>
 
438
            OpenPGP public key file which will be created or
 
439
            overwritten.
 
440
          </para>
 
441
        </listitem>
 
442
      </varlistentry>
 
443
      <varlistentry>
 
444
        <term><filename class="directory">/tmp</filename></term>
 
445
        <listitem>
 
446
          <para>
 
447
            Temporary files will be written here if
 
448
            <varname>TMPDIR</varname> is not set.
 
449
          </para>
 
450
        </listitem>
 
451
      </varlistentry>
 
452
    </variablelist>
 
453
  </refsect1>
 
454
  
 
455
  <refsect1 id="bugs">
 
456
    <title>BUGS</title>
 
457
    <xi:include href="bugs.xml"/>
 
458
  </refsect1>
 
459
  
 
460
  <refsect1 id="example">
 
461
    <title>EXAMPLE</title>
 
462
    <informalexample>
 
463
      <para>
 
464
        Normal invocation needs no options:
 
465
      </para>
 
466
      <para>
 
467
        <userinput>&COMMANDNAME;</userinput>
 
468
      </para>
 
469
    </informalexample>
 
470
    <informalexample>
 
471
      <para>
 
472
        Create key in another directory and of another type.  Force
 
473
        overwriting old key files:
 
474
      </para>
 
475
      <para>
 
476
 
 
477
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478
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
 
479
 
 
480
      </para>
 
481
    </informalexample>
 
482
    <informalexample>
 
483
      <para>
 
484
        Prompt for a password, encrypt it with the key in <filename
 
485
        class="directory">/etc/mandos</filename> and output a section
 
486
        suitable for <filename>clients.conf</filename>.
 
487
      </para>
 
488
      <para>
 
489
        <userinput>&COMMANDNAME; --password</userinput>
 
490
      </para>
 
491
    </informalexample>
 
492
    <informalexample>
 
493
      <para>
 
494
        Prompt for a password, encrypt it with the key in the
 
495
        <filename>client-key</filename> directory and output a section
 
496
        suitable for <filename>clients.conf</filename>.
 
497
      </para>
 
498
      <para>
 
499
 
 
500
<!-- do not wrap this line -->
 
501
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
 
502
 
 
503
      </para>
 
504
    </informalexample>
 
505
  </refsect1>
 
506
  
 
507
  <refsect1 id="security">
 
508
    <title>SECURITY</title>
 
509
    <para>
 
510
      The <option>--type</option>, <option>--length</option>,
 
511
      <option>--subtype</option>, and <option>--sublength</option>
 
512
      options can be used to create keys of low security.  If in
 
513
      doubt, leave them to the default values.
 
514
    </para>
 
515
    <para>
 
516
      The key expire time is <emphasis>not</emphasis> guaranteed to be
 
517
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
 
518
      <manvolnum>8</manvolnum></citerefentry>.
 
519
    </para>
 
520
  </refsect1>
 
521
  
 
522
  <refsect1 id="see_also">
 
523
    <title>SEE ALSO</title>
 
524
    <para>
 
525
      <citerefentry><refentrytitle>intro</refentrytitle>
 
526
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
527
      <citerefentry><refentrytitle>gpg</refentrytitle>
 
528
      <manvolnum>1</manvolnum></citerefentry>,
 
529
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
530
      <manvolnum>5</manvolnum></citerefentry>,
 
531
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
532
      <manvolnum>8</manvolnum></citerefentry>,
 
533
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
534
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
535
      <citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
 
536
      <manvolnum>1</manvolnum></citerefentry>
 
537
    </para>
 
538
  </refsect1>
 
539
  
 
540
</refentry>
 
541
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542
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543
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545
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