Commit Graph

199 Commits

Author SHA1 Message Date
Stig Bjørlykke 9779ae3817 Removed some remaining svn Id tags
Change-Id: I7ffbf59099132cde55995bde991d1c6a5dd224b0
Reviewed-on: https://code.wireshark.org/review/12330
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>
2015-12-01 14:41:25 +00:00
Peter Wu 40b283181c Add boundary check for 802.11 decryption
Fixed stack-based buffer overflow when the frame length exceeds 8KB.

Bug: 11790
Change-Id: I20db8901765a7660e587057e955d4fb5a8645574
Reviewed-on: https://code.wireshark.org/review/12237
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
2015-11-28 09:47:28 +00:00
Alexander Wetzel 9cd66b270c WPA (IEEE802.11) decryption function cleanups
- Updated AirPDcapPacketProcess function description
 - Try to return better error codes
 - Remove broken/useless return of keys from AirPDcapRsna4WHandshake

Change-Id: I1e4e0a76f6d1307e11c0466f17935dd7030561e1
Reviewed-on: https://code.wireshark.org/review/12033
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-11-25 21:00:59 +00:00
Evan Huus c3025544b6 Misc minor issues caught by cppcheck
All trivial (unused variables, duplicate `break`s, etc).

Change-Id: Idbfffae4f6c0b0119a90ae5849de2ed7a1180c9b
Reviewed-on: https://code.wireshark.org/review/11886
Petri-Dish: Evan Huus <eapache@gmail.com>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Evan Huus <eapache@gmail.com>
2015-11-17 04:18:37 +00:00
Alexis La Goutte 5c1b132fe8 airpdcap_system.(h) fix parameter 'mngHandshake/mngDecrypt' not found in the function declaration [-Wdocumentation]
Change-Id: I0d0c1a3dde14d9817aef28352081dfbfbac6c9fb
Reviewed-on: https://code.wireshark.org/review/11774
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-11-14 13:31:12 +00:00
Gerald Combs 18b8f48bc1 Fix compilation when _DEBUG is defined.
CMake's Visual C++ generator creates projects that compile with the
Debug configuration by default, which defines _DEBUG. Fix DEBUG_DUMP's
declaration so that we compile in that case.

While we're here note that the "airpd" prefix isn't limited to AirPcap,
so we might want to change it accordingly.

Change-Id: I5476f28c63020f0f66ee9128731bc4b3dc720765
Reviewed-on: https://code.wireshark.org/review/11787
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-11-13 07:46:32 +00:00
Alexander Wetzel cb3dd958af WPA/WPA2 decoding fixes and improvements
- start decoding when we have eapol1+2 packets
  Do not insist on a complete captured handshake, decode what we can.

- more robust way to detect eapol #2 packets
  At least Win 10 is violating the spec on rekey by setting the secure
  bit in #2. Unpatched version shows and handles #2 as #4, breaking
  decoding after rekey.

- fixed eapol rekey key handling
  Inital patch (see https://code.wireshark.org/review/8268)
  is adding redundant keys, since it scans all the time
  and not only once.

- ignore tailing garbage after eapol sections in frame
  See https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9065#c8

Included testcase to test decode for incomplete handshakes and eapol2
packets with secure bit set on rekey.

Ping-Bug: 9065
Change-Id: Id775088db9b5aaa80da9efdeed6902d024b5c0cd
Reviewed-on: https://code.wireshark.org/review/11484
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2015-11-09 11:28:14 +00:00
Peter Wu a7ab4af2ab airpdcap: add free_key_string function, fix memleaks
Do not leak the key and SSID. Note that there are still some leaks in
the GTK UI related to get_wireshark_keys(), but I did not track them
down.

Caught by LeakSanitizer.

Change-Id: I639166e6ea457605d6ae0ebd58e56d7594a7b7db
Reviewed-on: https://code.wireshark.org/review/10860
Petri-Dish: Peter Wu <peter@lekensteyn.nl>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
2015-10-09 14:35:41 +00:00
Pascal Quantin 44d17c7844 airpdcap: fix WEP decryption
Using memcpy with overlapping buffers is not safe; use memmove instead

Bug: 11549
Change-Id: I8e15eb0af38d325a5e67e8748008126ac5994588
Reviewed-on: https://code.wireshark.org/review/10652
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-09-25 20:02:24 +00:00
Guy Harris f25b8c6784 Move some stuff into the only code path where it's used.
AirPDCapPacketProcess() really does two different things; some of the
stuff it does in both code paths only needs to be done in one code path.
Make it so.

Change-Id: Idb231d729150781f323e88ed375c983a3afd2577
Reviewed-on: https://code.wireshark.org/review/10439
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-09-08 05:03:56 +00:00
Guy Harris 44a0bafd15 Don't try to decrypt with an AES key shorter than 128 bits.
AES keys must be at least 128 bits; AES_unwrap returns a null pointer if
handed a too-short key, and we then just dereference that null pointer
and crash.  Just give up with a too-short key.

Bug: 11507
Change-Id: Id1cf0a43c608597a11ff9df40f3654e6ff30619d
Reviewed-on: https://code.wireshark.org/review/10422
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-09-08 00:46:41 +00:00
Guy Harris 4f1b8d7433 Add a bounds check.
AirPDcapStoreSa() was assuming that ctx->first_free_index would always
be within the ctx->sa array; nothing guarantees that.  Fail if it's past
the end of the array; that means there *are* no free indices.

Change-Id: I73145ea3f3dda1b3800a41fa3a2b01ac344dcbfc
Reviewed-on: https://code.wireshark.org/review/9634
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-07-14 18:50:33 +00:00
Pascal Quantin 99d56fb0f8 airpdcap: fix V512 warning reported by PVS-Studio
A call of the 'memcpy' function will lead to the '& tmp_key' buffer becoming out of range.

Change-Id: I615a6c3e0dab8cfc2d240b6b39cff387e0689f35
Reviewed-on: https://code.wireshark.org/review/8796
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-06-07 13:07:33 +00:00
Pascal Quantin 1ec868eddd Fix a few issues reported by PVS-Studio
See http://www.viva64.com/en/b/0328/ for details

Change-Id: Ic9ddfd690b49401c96cb8a4a277c671f9824be31
Reviewed-on: https://code.wireshark.org/review/8775
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-06-05 21:15:37 +00:00
Pascal Quantin 040641dc59 Copy PTK key in its dedicated array, and not at the address of the array
While we are at it, put back some debug logs that were removed in g1439eb6 (otherwise msgbuf is no more initialized)

Change-Id: Ie34c4f2e638bc3ee77a0565446de37a15385dc0d
Reviewed-on: https://code.wireshark.org/review/8389
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-05-10 19:48:52 +00:00
Guy Harris 19aaa18b2c Don't initialize a variable that's unused before we later set it.
Change-Id: I944cac044a8b091cbe5d85cd63a8c698a82b8559
Reviewed-on: https://code.wireshark.org/review/8388
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-05-10 18:03:57 +00:00
Guy Harris 7d4e0c73a3 Pick array sizes based on what they're supposed to hold.
In AirPDcapRsnaPwd2PskStep(), digest[] holds an SSID plus 4 bytes of
count, so the size is MAX_SSID_LENGTH plus 4, and digest1[] holds an
SHA-1 digest, so the size is SHA1_DIGEST_LEN.

That makes it a bit clearer why those are the sizes.

Change-Id: I58ed6643f57675375f7f369470d600382323315f
Reviewed-on: https://code.wireshark.org/review/8387
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-05-10 18:01:05 +00:00
Guy Harris be8f9c4cf3 Add some bounds checks.
Change-Id: I5b0405f814d439c1d5ce329a817475102be483af
Reviewed-on: https://code.wireshark.org/review/8373
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-05-10 06:53:53 +00:00
Guy Harris dac8015454 new_key is used only for TKIP keys; set it only in that part of the code.
Change-Id: I64424731e4d5f94c7b69436b5318b67a14471171
Reviewed-on: https://code.wireshark.org/review/8372
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-05-10 02:31:17 +00:00
Guy Harris 1507b4a417 Allocate the unwrapped key in AES_unwrap().
Have it allocate the buffer for the unwrapped key and return a pointer
to it, rather than having it be handed a buffer for that key.

That makes it a bit easier to validate, in AES_unwrap, that we don't
write past the end of the buffer.

Change-Id: Id02852c23054b3ed33eeeb383e7aa6cf12d02ed9
Reviewed-on: https://code.wireshark.org/review/8371
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-05-10 02:18:24 +00:00
Guy Harris acf7985f73 Define the SHA-1 digest length in wsutil/sha1.h and use it.
Hopefully that'll make it a little easier to make sure that we're not
overflowing arrays.

Change-Id: I770df045ef9a45fd486c1271ea424b3334bb39d2
Reviewed-on: https://code.wireshark.org/review/8370
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-05-09 23:36:11 +00:00
Pascal Quantin db3412051f airpdcap: ensure that buffer put on stack is big enough to hold the result of AirPDcapRsnaPwd2PskStep()
g1439eb6 changed AIRPDCAP_WPA_PSK_LEN from 64 bytes to 32 bytes, leading to a stack corruption in AirPDcapRsnaPwd2Psk() function

Change-Id: Ibf51f6749715055cd84906a144214ed44c85256b
Reviewed-on: https://code.wireshark.org/review/8358
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
2015-05-08 19:21:54 +00:00
deagol 1439eb6778 IEEE 802.11: 802.1X (WPA-EAP) rekeying support
This patch extends the existing decryption support for WPA to also
handle rekeys by checking each decrypted packet for a 4-way-handshake.

Rekeys can be used for WPA-PSK, but are more common with WPA-Enterprise
(WPA-EAP).

For decrypting WPA-EAP secured packets the user must provide all used PMK's
of the connection (aka PSK's) as WPA-PSK 32 byte hex values to wireshark
via the existing interface.
(The capture must have all 4-way-handshakes included also, starting with
the first unencrypted one.)

Every decrypted unicast packet will habe the used PMK and TK shown in the
CCMP/TKIP section below the key index in the GUI. Group packets will display the
GTK instead.

Additionally this fixes a small issue with group rekey handling, so every packet
can be selected in the GUI in random order, removing the need to manually find
the correct group keying packets prior to that.

It was tested primary with WPA-CCMP, but TKIP is also working.

One section in the code touch bluetooth 802.1X support. It should do
exactly the same, but will now also examine all decypted packets for rekeys.

Ping-Bug: 11172
Change-Id: I19d055581fce6268df888da63485a48326046748
Reviewed-on: https://code.wireshark.org/review/8268
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-05-08 04:27:49 +00:00
Peter Wu b5d062ba57 Fix buffer overflow in 802.11 decryption
The sha1 function outputs a multiple of 20 bytes while the ptk buffer
has only a size of 64 bytes. Follow the hint in 802.11i-2004, page 164
and use an output buffer of 80 octets.

Noticed when running Wireshark with ASAN, on exit it would try to free a
"next" pointer which was filled with sha1 garbage. It probably got
triggered via 3f8fbb7349 which made
AirPDcap responsible for managing its own memory.

Bug: 10849
Change-Id: I10c1b9c2e224e5571d746c01fc389f86d25994a1
Reviewed-on: https://code.wireshark.org/review/7645
Reviewed-by: Evan Huus <eapache@gmail.com>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Tested-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-03-11 22:47:40 +00:00
Guy Harris 233dc643a6 Remove some apparently-unnecessary includes of emem.h.
Change-Id: Id50ce3e707056cca8f30052f05c451ce431b39b5
Reviewed-on: https://code.wireshark.org/review/6632
Reviewed-by: Guy Harris <guy@alum.mit.edu>
2015-01-18 19:36:36 +00:00
Michael Mann 3f8fbb7349 Remove the last two true calls to se_alloc.
(The other calls are just wrapped in macros)

Change-Id: I6a029dddf7742ba95510ec24cec30553461e48c6
Reviewed-on: https://code.wireshark.org/review/6558
Petri-Dish: Michael Mann <mmann78@netscape.net>
Reviewed-by: Evan Huus <eapache@gmail.com>
Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-01-16 00:38:36 +00:00
Michael Mann f5c4d06dba Replace some "low hanging fruit" uses of emem.
Most of the remaining ep_ uses are grouped with specific functionality.

Change-Id: I8fa64a17acc6bcdcf6891b2d28715ac0c58f1a4a
Reviewed-on: https://code.wireshark.org/review/6484
Reviewed-by: Michael Mann <mmann78@netscape.net>
2015-01-11 00:27:57 +00:00
Gerald Combs a81f0d1b38 Fix airpdcap debugging code.
Change-Id: Ied1094dd3c6ad176fea830c0857ba43e09d3cb10
Reviewed-on: https://code.wireshark.org/review/6457
Reviewed-by: Gerald Combs <gerald@wireshark.org>
2015-01-09 22:17:16 +00:00
Michael Mann 4a5ca5c76e bytes_to_ep_str -> bytes_to_str
Change-Id: Ifcda8328dedec0ef4104c3a124d6246f99493750
Reviewed-on: https://code.wireshark.org/review/6389
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2015-01-08 05:43:51 +00:00
Bill Meier 5c529c95c5 Add '*.nativecodeanalysis.xml' to 'clean' targets
Change-Id: I90dbf0b31fc737150a01533763a7869b34c68cb6
Reviewed-on: https://code.wireshark.org/review/6220
Reviewed-by: Bill Meier <wmeier@newsguy.com>
2015-01-02 01:45:16 +00:00
Dom Gifford f022e15494 Guard against buffer overflow when copying group key bytes into
security association structure.

Change-Id: I2f573a0626bab44aaca1ac6716bf5ac3d6a9b7ed
Reviewed-on: https://code.wireshark.org/review/3553
Petri-Dish: Evan Huus <eapache@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Evan Huus <eapache@gmail.com>
2014-08-11 16:50:36 +00:00
Dom Gifford 8da72cd43d Fix support for decrypting 802.11 broadcast messages.
A little bit of guess work is involved as the group key can use a
different cipher to the pairwise key, and we are trying to do this
purely based on the EAPOL messages with no prior knowledge of the
associate request. We try to guess the cipher based on the lengths.

Bug:8734
Change-Id: I4c456b45939c00a9d1122406891f704fa037349c
Reviewed-on: https://code.wireshark.org/review/3183
Reviewed-by: Evan Huus <eapache@gmail.com>
Reviewed-by: Michael Mann <mmann78@netscape.net>
2014-08-08 14:17:11 +00:00
Stig Bjørlykke bd38b3152d Support out-of-source checkapi
Always call $(top_srcdir)/tools/checkAPIs.pl with -sourcedir=$(srcdir)
from Makefile.am to allow out-of-source 'make checkapi'.

Change-Id: I60d7e0079984a8ededdacf4517a0738486fa7973
Reviewed-on: https://code.wireshark.org/review/1294
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-04-25 04:23:46 +00:00
Alexis La Goutte 7d77d753c6 Continue to remove $Id$ from top of file
(Using sed :sed -i '/^\/\* \$Id\$ \*\//,+0 d') ( /* $Id */ )

Change-Id: I46e928d7f2a307c35876ed5d34cb6b7cccfcd6e9
Reviewed-on: https://code.wireshark.org/review/886
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-31 18:49:26 +00:00
Alexis La Goutte 757aa33220 Continue to remove $Id$ from top of file
(Using sed : sed -i '/^\# \$Id\$/,+1 d') (start with dash)

Change-Id: Ia4b5a6c2302f6a531f6a86c1ec3a2f8205c8c2dd
Reviewed-on: https://code.wireshark.org/review/881
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-31 18:48:06 +00:00
Alexis La Goutte abc6fb24fa Fix some code remove by 296591399f
(Copyright or info about file...)

Change-Id: I90ba8b1c3ec8406b0c3365a69a8555837fc4bbb1
Reviewed-on: https://code.wireshark.org/review/515
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
2014-03-05 09:25:47 +00:00
Alexis La Goutte 296591399f Remove all $Id$ from top of file
(Using sed : sed -i '/^ \* \$Id\$/,+1 d')

Fix manually some typo (in export_object_dicom.c and crc16-plain.c)

Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8
Reviewed-on: https://code.wireshark.org/review/497
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2014-03-04 14:27:33 +00:00
Bill Meier 11b5c15fdb Remove trailing whitespace
Change-Id: I8116f63ff88687c8db3fd6e8e23b22ab2f759af0
Reviewed-on: https://code.wireshark.org/review/385
Reviewed-by: Bill Meier <wmeier@newsguy.com>
Tested-by: Bill Meier <wmeier@newsguy.com>
2014-02-25 20:46:49 +00:00
Evan Huus a6415ece0a Rename a couple of to_str functions to have ep_ in the name. This makes it
obvious that the returned string is ephemeral, and opens up the original names
in the API for versions that take a wmem pool (and thus can work in any scope).

svn path=/trunk/; revision=54249
2013-12-19 15:49:09 +00:00
Jakub Zawadzki 5ac6474c94 Rename some of pint.h macros to match common style (bits number on the end).
pntohs  -> pntoh16
   pntohl  -> pntoh32
   pletohs -> pletoh16
   pletohl -> pletoh32
   phtons  -> phton16
   phtonl  -> phton32


svn path=/trunk/; revision=53652
2013-11-29 18:59:06 +00:00
Alexis La Goutte 90c2945adb Fix compilation under Linux (Ubuntu)
airpdcap.c:470:18: error: declaration of 'address' shadows a global declaration [-Werror=shadow]
airpdcap.c:611:18: error: declaration of 'address' shadows a global declaration [-Werror=shadow]

svn path=/trunk/; revision=53216
2013-11-10 10:45:29 +00:00
Jakub Zawadzki 7b64bcf0b8 Move prototype of bytes_to_str, bytes_to_str_punct to correct header.
svn path=/trunk/; revision=53214
2013-11-10 09:44:02 +00:00
Alexis La Goutte 2c3468da11 Fix (-W)documentation error found by Clang
airpdcap.c:131:11: error: parameter 'password' not found in the function declaration [-Werror,-Wdocumentation]
 * @param password [IN] pointer to a password (sequence of between 8 and
          ^~~~~~~~
airpdcap.c:154:11: error: parameter 'password' not found in the function declaration [-Werror,-Wdocumentation]
 * @param password [IN] pointer to a password (sequence of between 8 and
          ^~~~~~~~

svn path=/trunk/; revision=51254
2013-08-10 21:28:01 +00:00
Jeff Morriss 95b4443aeb LIBGCRYPT_CFLAGS is not set in Windows builds, use GNUTLS_CFLAGS instead.
svn path=/trunk/; revision=51108
2013-08-02 00:52:13 +00:00
Jeff Morriss 9d0bcc9d09 Include LIBGCRYPT_CFLAGS in wsutil (but not in epan/crypt).
svn path=/trunk/; revision=51103
2013-08-01 23:56:09 +00:00
Jeff Morriss 2df54da6e2 Move a bunch of the crypt modules and pint.h into wsutil.
This means wsutil now links against libcrypt.

Protect a bunch of the crypt header files from multiple inclusion.

svn path=/trunk/; revision=51100
2013-08-01 23:34:47 +00:00
Evan Huus 5afbf48723 Update some of the old FSF addresses caught by the new licensecheck buildbot
step.

svn path=/trunk/; revision=48848
2013-04-14 18:55:28 +00:00
Michael Mann 3a48e7e1e2 Bugfix Decryption Key Management dialog, bug 8446 (https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8446)
Needed to convert use of old IEEE802.11 preference strings to UAT.  Since UAT is self-contained within its own file, the entire preference file doesn't need to be rewritten/saved when UAT values are changed.

svn path=/trunk/; revision=48308
2013-03-15 01:31:53 +00:00
Jaap Keuter 827eb58b04 From David Arnold:
Replace use of INCLUDES with AM_CPPFLAGS in all Makefiles to placate recent autotools.

svn path=/trunk/; revision=48261
2013-03-12 06:53:39 +00:00
Anders Broman c5ee81098c From beroset:
remove C++ incompatibilities

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8416

svn path=/trunk/; revision=48006
2013-03-02 12:10:56 +00:00