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  • Committer: Teddy Hogeborn
  • Date: 2019-02-10 03:50:20 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 370.
  • Revision ID: teddy@recompile.se-20190210035020-nttr1tybgwwixueu
http://bugs.debian.org/879538
http://bugs.debian.org/916673
Show debconf note about new TLS key IDs

If mandos-client did not see TLS keys and had to create them, or if
mandos sees GnuTLS version 3.6.6 or later, show an important notice on
package installation about the importance of adding the new key_id
options to clients.conf on the Mandos server.

* debian/control (Package: mandos, Package: mandos-client): Depend on
                                                            debconf.
* debian/mandos-client.lintian-overrides: Override warnings.
* debian/mandos-client.postinst (create_keys): Show notice if new TLS
                                               key files were created.
* debian/mandos-client.templates: New.
* debian/mandos.lintian-overrides: Override warnings.
* debian/mandos.postinst (configure): If GnuTLS 3.6.6 or later is
                                      detected, show an important
                                      notice (once) about the new
                                      key_id option required in
                                      clients.conf.
* debian/mandos.templates: New.

Show diffs side-by-side

added added

removed removed

Lines of Context:
mandos-keygen.xml
 
1
<?xml version="1.0" encoding="UTF-8"?>
 
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
 
3
        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
 
4
<!ENTITY COMMANDNAME "mandos-keygen">
 
5
<!ENTITY TIMESTAMP "2019-02-10">
 
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>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>--tls-keytype
 
131
        <replaceable>KEYTYPE</replaceable></option></arg>
 
132
        <arg choice="plain"><option>-T
 
133
        <replaceable>KEYTYPE</replaceable></option></arg>
 
134
      </group>
 
135
      <sbr/>
 
136
      <group>
 
137
        <arg choice="plain"><option>--force</option></arg>
 
138
        <arg choice="plain"><option>-f</option></arg>
 
139
      </group>
 
140
    </cmdsynopsis>
 
141
    <cmdsynopsis>
 
142
      <command>&COMMANDNAME;</command>
 
143
      <group choice="req">
 
144
        <arg choice="plain"><option>--password</option></arg>
 
145
        <arg choice="plain"><option>-p</option></arg>
 
146
        <arg choice="plain"><option>--passfile
 
147
        <replaceable>FILE</replaceable></option></arg>
 
148
        <arg choice="plain"><option>-F</option>
 
149
        <replaceable>FILE</replaceable></arg>
 
150
      </group>
 
151
      <sbr/>
 
152
      <group>
 
153
        <arg choice="plain"><option>--dir
 
154
        <replaceable>DIRECTORY</replaceable></option></arg>
 
155
        <arg choice="plain"><option>-d
 
156
        <replaceable>DIRECTORY</replaceable></option></arg>
 
157
      </group>
 
158
      <sbr/>
 
159
      <group>
 
160
        <arg choice="plain"><option>--name
 
161
        <replaceable>NAME</replaceable></option></arg>
 
162
        <arg choice="plain"><option>-n
 
163
        <replaceable>NAME</replaceable></option></arg>
 
164
      </group>
 
165
      <group>
 
166
        <arg choice="plain"><option>--no-ssh</option></arg>
 
167
        <arg choice="plain"><option>-S</option></arg>
 
168
      </group>
 
169
    </cmdsynopsis>
 
170
    <cmdsynopsis>
 
171
      <command>&COMMANDNAME;</command>
 
172
      <group choice="req">
 
173
        <arg choice="plain"><option>--help</option></arg>
 
174
        <arg choice="plain"><option>-h</option></arg>
 
175
      </group>
 
176
    </cmdsynopsis>
 
177
    <cmdsynopsis>
 
178
      <command>&COMMANDNAME;</command>
 
179
      <group choice="req">
 
180
        <arg choice="plain"><option>--version</option></arg>
 
181
        <arg choice="plain"><option>-v</option></arg>
 
182
      </group>
 
183
    </cmdsynopsis>
 
184
  </refsynopsisdiv>
 
185
  
 
186
  <refsect1 id="description">
 
187
    <title>DESCRIPTION</title>
 
188
    <para>
 
189
      <command>&COMMANDNAME;</command> is a program to generate the
 
190
      TLS and OpenPGP keys used by
 
191
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
192
      <manvolnum>8mandos</manvolnum></citerefentry>.  The keys are
 
193
      normally written to /etc/keys/mandos for later installation into
 
194
      the initrd image, but this, and most other things, can be
 
195
      changed with command line options.
 
196
    </para>
 
197
    <para>
 
198
      This program can also be used with the
 
199
      <option>--password</option> or <option>--passfile</option>
 
200
      options to generate a ready-made section for
 
201
      <filename>clients.conf</filename> (see
 
202
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
203
      <manvolnum>5</manvolnum></citerefentry>).
 
204
    </para>
 
205
  </refsect1>
 
206
  
 
207
  <refsect1 id="purpose">
 
208
    <title>PURPOSE</title>
 
209
    <para>
 
210
      The purpose of this is to enable <emphasis>remote and unattended
 
211
      rebooting</emphasis> of client host computer with an
 
212
      <emphasis>encrypted root file system</emphasis>.  See <xref
 
213
      linkend="overview"/> for details.
 
214
    </para>
 
215
  </refsect1>
 
216
  
 
217
  <refsect1 id="options">
 
218
    <title>OPTIONS</title>
 
219
    
 
220
    <variablelist>
 
221
      <varlistentry>
 
222
        <term><option>--help</option></term>
 
223
        <term><option>-h</option></term>
 
224
        <listitem>
 
225
          <para>
 
226
            Show a help message and exit
 
227
          </para>
 
228
        </listitem>
 
229
      </varlistentry>
 
230
      
 
231
      <varlistentry>
 
232
        <term><option>--dir
 
233
        <replaceable>DIRECTORY</replaceable></option></term>
 
234
        <term><option>-d
 
235
        <replaceable>DIRECTORY</replaceable></option></term>
 
236
        <listitem>
 
237
          <para>
 
238
            Target directory for key files.  Default is <filename
 
239
            class="directory">/etc/keys/mandos</filename>.
 
240
          </para>
 
241
        </listitem>
 
242
      </varlistentry>
 
243
      
 
244
      <varlistentry>
 
245
        <term><option>--type
 
246
        <replaceable>TYPE</replaceable></option></term>
 
247
        <term><option>-t
 
248
        <replaceable>TYPE</replaceable></option></term>
 
249
        <listitem>
 
250
          <para>
 
251
            OpenPGP key type.  Default is <quote>RSA</quote>.
 
252
          </para>
 
253
        </listitem>
 
254
      </varlistentry>
 
255
      
 
256
      <varlistentry>
 
257
        <term><option>--length
 
258
        <replaceable>BITS</replaceable></option></term>
 
259
        <term><option>-l
 
260
        <replaceable>BITS</replaceable></option></term>
 
261
        <listitem>
 
262
          <para>
 
263
            OpenPGP key length in bits.  Default is 4096.
 
264
          </para>
 
265
        </listitem>
 
266
      </varlistentry>
 
267
      
 
268
      <varlistentry>
 
269
        <term><option>--subtype
 
270
        <replaceable>KEYTYPE</replaceable></option></term>
 
271
        <term><option>-s
 
272
        <replaceable>KEYTYPE</replaceable></option></term>
 
273
        <listitem>
 
274
          <para>
 
275
            OpenPGP subkey type.  Default is <quote>RSA</quote>
 
276
          </para>
 
277
        </listitem>
 
278
      </varlistentry>
 
279
      
 
280
      <varlistentry>
 
281
        <term><option>--sublength
 
282
        <replaceable>BITS</replaceable></option></term>
 
283
        <term><option>-L
 
284
        <replaceable>BITS</replaceable></option></term>
 
285
        <listitem>
 
286
          <para>
 
287
            OpenPGP subkey length in bits.  Default is 4096.
 
288
          </para>
 
289
        </listitem>
 
290
      </varlistentry>
 
291
      
 
292
      <varlistentry>
 
293
        <term><option>--email
 
294
        <replaceable>ADDRESS</replaceable></option></term>
 
295
        <term><option>-e
 
296
        <replaceable>ADDRESS</replaceable></option></term>
 
297
        <listitem>
 
298
          <para>
 
299
            Email address of key.  Default is empty.
 
300
          </para>
 
301
        </listitem>
 
302
      </varlistentry>
 
303
      
 
304
      <varlistentry>
 
305
        <term><option>--comment
 
306
        <replaceable>TEXT</replaceable></option></term>
 
307
        <term><option>-c
 
308
        <replaceable>TEXT</replaceable></option></term>
 
309
        <listitem>
 
310
          <para>
 
311
            Comment field for key.  Default is empty.
 
312
          </para>
 
313
        </listitem>
 
314
      </varlistentry>
 
315
      
 
316
      <varlistentry>
 
317
        <term><option>--expire
 
318
        <replaceable>TIME</replaceable></option></term>
 
319
        <term><option>-x
 
320
        <replaceable>TIME</replaceable></option></term>
 
321
        <listitem>
 
322
          <para>
 
323
            Key expire time.  Default is no expiration.  See
 
324
            <citerefentry><refentrytitle>gpg</refentrytitle>
 
325
            <manvolnum>1</manvolnum></citerefentry> for syntax.
 
326
          </para>
 
327
        </listitem>
 
328
      </varlistentry>
 
329
      
 
330
      <varlistentry>
 
331
        <term><option>--tls-keytype
 
332
        <replaceable>KEYTYPE</replaceable></option></term>
 
333
        <term><option>-T
 
334
        <replaceable>KEYTYPE</replaceable></option></term>
 
335
        <listitem>
 
336
          <para>
 
337
            TLS key type.  Default is <quote>ed25519</quote>
 
338
          </para>
 
339
        </listitem>
 
340
      </varlistentry>
 
341
      
 
342
      <varlistentry>
 
343
        <term><option>--force</option></term>
 
344
        <term><option>-f</option></term>
 
345
        <listitem>
 
346
          <para>
 
347
            Force overwriting old key.
 
348
          </para>
 
349
        </listitem>
 
350
      </varlistentry>
 
351
      <varlistentry>
 
352
        <term><option>--password</option></term>
 
353
        <term><option>-p</option></term>
 
354
        <listitem>
 
355
          <para>
 
356
            Prompt for a password and encrypt it with the key already
 
357
            present in either <filename>/etc/keys/mandos</filename> or
 
358
            the directory specified with the <option>--dir</option>
 
359
            option.  Outputs, on standard output, a section suitable
 
360
            for inclusion in <citerefentry><refentrytitle
 
361
            >mandos-clients.conf</refentrytitle><manvolnum
 
362
            >8</manvolnum></citerefentry>.  The host name or the name
 
363
            specified with the <option>--name</option> option is used
 
364
            for the section header.  All other options are ignored,
 
365
            and no key is created.
 
366
          </para>
 
367
        </listitem>
 
368
      </varlistentry>
 
369
      <varlistentry>
 
370
        <term><option>--passfile
 
371
        <replaceable>FILE</replaceable></option></term>
 
372
        <term><option>-F
 
373
        <replaceable>FILE</replaceable></option></term>
 
374
        <listitem>
 
375
          <para>
 
376
            The same as <option>--password</option>, but read from
 
377
            <replaceable>FILE</replaceable>, not the terminal.
 
378
          </para>
 
379
        </listitem>
 
380
      </varlistentry>
 
381
      <varlistentry>
 
382
        <term><option>--no-ssh</option></term>
 
383
        <term><option>-S</option></term>
 
384
        <listitem>
 
385
          <para>
 
386
            When <option>--password</option> or
 
387
            <option>--passfile</option> is given, this option will
 
388
            prevent <command>&COMMANDNAME;</command> from calling
 
389
            <command>ssh-keyscan</command> to get an SSH fingerprint
 
390
            for this host and, if successful, output suitable config
 
391
            options to use this fingerprint as a
 
392
            <option>checker</option> option in the output.  This is
 
393
            otherwise the default behavior.
 
394
          </para>
 
395
        </listitem>
 
396
      </varlistentry>
 
397
    </variablelist>
 
398
  </refsect1>
 
399
  
 
400
  <refsect1 id="overview">
 
401
    <title>OVERVIEW</title>
 
402
    <xi:include href="overview.xml"/>
 
403
    <para>
 
404
      This program is a small utility to generate new TLS and OpenPGP
 
405
      keys for new Mandos clients, and to generate sections for
 
406
      inclusion in <filename>clients.conf</filename> on the server.
 
407
    </para>
 
408
  </refsect1>
 
409
  
 
410
  <refsect1 id="exit_status">
 
411
    <title>EXIT STATUS</title>
 
412
    <para>
 
413
      The exit status will be 0 if a new key (or password, if the
 
414
      <option>--password</option> option was used) was successfully
 
415
      created, otherwise not.
 
416
    </para>
 
417
  </refsect1>
 
418
  
 
419
  <refsect1 id="environment">
 
420
    <title>ENVIRONMENT</title>
 
421
    <variablelist>
 
422
      <varlistentry>
 
423
        <term><envar>TMPDIR</envar></term>
 
424
        <listitem>
 
425
          <para>
 
426
            If set, temporary files will be created here. See
 
427
            <citerefentry><refentrytitle>mktemp</refentrytitle>
 
428
            <manvolnum>1</manvolnum></citerefentry>.
 
429
          </para>
 
430
        </listitem>
 
431
      </varlistentry>
 
432
    </variablelist>
 
433
  </refsect1>
 
434
  
 
435
  <refsect1 id="files">
 
436
    <title>FILES</title>
 
437
    <para>
 
438
      Use the <option>--dir</option> option to change where
 
439
      <command>&COMMANDNAME;</command> will write the key files.  The
 
440
      default file names are shown here.
 
441
    </para>
 
442
    <variablelist>
 
443
      <varlistentry>
 
444
        <term><filename>/etc/keys/mandos/seckey.txt</filename></term>
 
445
        <listitem>
 
446
          <para>
 
447
            OpenPGP secret key file which will be created or
 
448
            overwritten.
 
449
          </para>
 
450
        </listitem>
 
451
      </varlistentry>
 
452
      <varlistentry>
 
453
        <term><filename>/etc/keys/mandos/pubkey.txt</filename></term>
 
454
        <listitem>
 
455
          <para>
 
456
            OpenPGP public key file which will be created or
 
457
            overwritten.
 
458
          </para>
 
459
        </listitem>
 
460
      </varlistentry>
 
461
      <varlistentry>
 
462
        <term><filename>/etc/keys/mandos/tls-privkey.pem</filename></term>
 
463
        <listitem>
 
464
          <para>
 
465
            Private key file which will be created or overwritten.
 
466
          </para>
 
467
        </listitem>
 
468
      </varlistentry>
 
469
      <varlistentry>
 
470
        <term><filename>/etc/keys/mandos/tls-pubkey.pem</filename></term>
 
471
        <listitem>
 
472
          <para>
 
473
            Public key file which will be created or overwritten.
 
474
          </para>
 
475
        </listitem>
 
476
      </varlistentry>
 
477
      <varlistentry>
 
478
        <term><filename class="directory">/tmp</filename></term>
 
479
        <listitem>
 
480
          <para>
 
481
            Temporary files will be written here if
 
482
            <varname>TMPDIR</varname> is not set.
 
483
          </para>
 
484
        </listitem>
 
485
      </varlistentry>
 
486
    </variablelist>
 
487
  </refsect1>
 
488
  
 
489
  <refsect1 id="bugs">
 
490
    <title>BUGS</title>
 
491
    <xi:include href="bugs.xml"/>
 
492
  </refsect1>
 
493
  
 
494
  <refsect1 id="example">
 
495
    <title>EXAMPLE</title>
 
496
    <informalexample>
 
497
      <para>
 
498
        Normal invocation needs no options:
 
499
      </para>
 
500
      <para>
 
501
        <userinput>&COMMANDNAME;</userinput>
 
502
      </para>
 
503
    </informalexample>
 
504
    <informalexample>
 
505
      <para>
 
506
        Create key in another directory and of another type.  Force
 
507
        overwriting old key files:
 
508
      </para>
 
509
      <para>
 
510
 
 
511
<!-- do not wrap this line -->
 
512
<userinput>&COMMANDNAME; --dir ~/keydir --type RSA --force</userinput>
 
513
 
 
514
      </para>
 
515
    </informalexample>
 
516
    <informalexample>
 
517
      <para>
 
518
        Prompt for a password, encrypt it with the keys in <filename
 
519
        class="directory">/etc/keys/mandos</filename> and output a
 
520
        section suitable for <filename>clients.conf</filename>.
 
521
      </para>
 
522
      <para>
 
523
        <userinput>&COMMANDNAME; --password</userinput>
 
524
      </para>
 
525
    </informalexample>
 
526
    <informalexample>
 
527
      <para>
 
528
        Prompt for a password, encrypt it with the keys in the
 
529
        <filename>client-key</filename> directory and output a section
 
530
        suitable for <filename>clients.conf</filename>.
 
531
      </para>
 
532
      <para>
 
533
 
 
534
<!-- do not wrap this line -->
 
535
<userinput>&COMMANDNAME; --password --dir client-key</userinput>
 
536
 
 
537
      </para>
 
538
    </informalexample>
 
539
  </refsect1>
 
540
  
 
541
  <refsect1 id="security">
 
542
    <title>SECURITY</title>
 
543
    <para>
 
544
      The <option>--type</option>, <option>--length</option>,
 
545
      <option>--subtype</option>, and <option>--sublength</option>
 
546
      options can be used to create keys of low security.  If in
 
547
      doubt, leave them to the default values.
 
548
    </para>
 
549
    <para>
 
550
      The key expire time is <emphasis>not</emphasis> guaranteed to be
 
551
      honored by <citerefentry><refentrytitle>mandos</refentrytitle>
 
552
      <manvolnum>8</manvolnum></citerefentry>.
 
553
    </para>
 
554
  </refsect1>
 
555
  
 
556
  <refsect1 id="see_also">
 
557
    <title>SEE ALSO</title>
 
558
    <para>
 
559
      <citerefentry><refentrytitle>intro</refentrytitle>
 
560
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
561
      <citerefentry><refentrytitle>gpg</refentrytitle>
 
562
      <manvolnum>1</manvolnum></citerefentry>,
 
563
      <citerefentry><refentrytitle>mandos-clients.conf</refentrytitle>
 
564
      <manvolnum>5</manvolnum></citerefentry>,
 
565
      <citerefentry><refentrytitle>mandos</refentrytitle>
 
566
      <manvolnum>8</manvolnum></citerefentry>,
 
567
      <citerefentry><refentrytitle>mandos-client</refentrytitle>
 
568
      <manvolnum>8mandos</manvolnum></citerefentry>,
 
569
      <citerefentry><refentrytitle>ssh-keyscan</refentrytitle>
 
570
      <manvolnum>1</manvolnum></citerefentry>
 
571
    </para>
 
572
  </refsect1>
 
573
  
 
574
</refentry>
 
575
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576
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577
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578
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579
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