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Author SHA1 Message Date
Dr. Stephen Henson
b996cecc32 Fix for DTLS DoS issue introduced by fix for CVE-2011-4109. 
Thanks to Antonio Martin, Enterprise Secure Access Research and
Development, Cisco Systems, Inc. for discovering this bug and
preparing a fix. (CVE-2012-0050)
 2012-01-18 13:36:04 +00:00
Dr. Stephen Henson
84c95826de Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>, Michael Tuexen <tuexen@fh-muenster.de> 
Reviewed by: steve

Fix for DTLS plaintext recovery attack discovered by Nadhem Alfardan and
Kenny Paterson.
 2012-01-04 16:51:14 +00:00
Dr. Stephen Henson
d2650c3a4a PR: 2573 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS buffering and decryption bug.
 2011-09-01 14:02:02 +00:00
Dr. Stephen Henson
fb5a0fb8f1 Since DTLS 1.0 is based on TLS 1.1 we should never return a decryption_failed 
alert.
 2011-01-04 19:33:22 +00:00
Dr. Stephen Henson
e97359435e Fix warnings (From HEAD, original patch by Ben). 2010-06-15 17:25:15 +00:00
Dr. Stephen Henson
30e8defe52 PR: 2229 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Don't drop DTLS connection if mac or decryption failed.
 2010-04-14 00:09:55 +00:00
Dr. Stephen Henson
9f4dd3e3e3 PR: 2228 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fix DTLS buffer record MAC failure bug.
 2010-04-14 00:03:13 +00:00
Richard Levitte
0a4fe6c8db Undo the previous change, it was incorrect in this branch. 2010-04-13 11:10:07 +00:00
Richard Levitte
7bba401d5d Third argument to dtls1_buffer_record is by reference 2010-04-13 08:41:58 +00:00
Dr. Stephen Henson
6dfd3cf68e PR: 2218 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fixes for DTLS replay bug.
 2010-04-06 12:44:55 +00:00
Dr. Stephen Henson
073775cbbb PR: 2219 
Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>

Fixes for DTLS buffering bug.
 2010-04-06 12:40:10 +00:00
Dr. Stephen Henson
ad187f8905 Fix unitialized warnings 2009-10-04 16:52:35 +00:00
Dr. Stephen Henson
af3d4e1b02 PR: 2039 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS listen bug fix,
 2009-09-15 22:48:30 +00:00
Dr. Stephen Henson
17f8d8db61 PR: 2006 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Do not use multiple DTLS records for a single user message
 2009-08-26 11:51:23 +00:00
Dr. Stephen Henson
a4bade7aac PR: 1997 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS timeout handling fix.
 2009-08-12 13:21:26 +00:00
Dr. Stephen Henson
d7406b1528 PR: 1993 
Fix from 0.9.8-stable.
 2009-07-24 11:52:32 +00:00
Dr. Stephen Henson
cddd00166c PR: 1984 
Submitted by: Michael Tüxen <Michael.Tuexen@lurchi.franken.de>
Approved by: steve@openssl.org

Don't concatenate reads in DTLS.
 2009-07-13 11:44:04 +00:00
Dr. Stephen Henson
5a03e3ac3f Fix from HEAD. 2009-07-04 12:05:14 +00:00
Dr. Stephen Henson
08b2097967 Update from HEAD. 2009-07-04 11:44:01 +00:00
Dr. Stephen Henson
2b3cd246e5 PR: 1962 
Submitted by: Daniel Mentz <daniel.m@sent.com>
Reviewed by: steve@openssl.org

Fix "for dtls1_get_record() returns a bad record in one edge case" bug.
 2009-07-01 11:29:01 +00:00
Dr. Stephen Henson
4e63da0669 PR: 1950 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve@openssl.org

DTLS fragment retransmission bug.
 2009-06-05 14:46:49 +00:00
Dr. Stephen Henson
88b48dc680 PR: 1930 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Limit size of DTLS record buffer queue.
 2009-05-16 16:17:46 +00:00
Dr. Stephen Henson
d6584eba8c PR: 1922 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

DTLS Timer bug fix.
 2009-05-15 22:58:13 +00:00
Dr. Stephen Henson
dfc8e96daa Fix warning. 2009-04-21 15:11:59 +00:00
Dr. Stephen Henson
b452f43322 PR: 1751 
Submitted by: David Woodhouse <dwmw2@infradead.org>
Approved by: steve@openssl.org

Compatibility patches for Cisco VPN client DTLS.
 2009-04-19 18:03:13 +00:00
Dr. Stephen Henson
c900a78c99 PR: 1828 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Updated DTLS Rentransmission bug patch.
 2009-04-15 14:49:36 +00:00
Dr. Stephen Henson
46ffb2dc97 PR #1828 reverted: state save/restore incompatible with 1.0.0-stable. 2009-04-14 15:29:34 +00:00
Dr. Stephen Henson
3c0ce01cea PR: 1827 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Updated patch for PR #1827
 2009-04-14 14:20:57 +00:00
Dr. Stephen Henson
9fcbefebdb PR: 1828 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Approved by: steve@openssl.org

Update from 0.9.8-stable.
 2009-04-14 14:19:46 +00:00
Ben Laurie
0eab41fb78 If we're going to return errors (no matter how stupid), then we should 
test for them!
 2008-12-29 16:11:58 +00:00
Ben Laurie
fe1c7fecf1 Reverse incorrect earlier fix. 2008-12-29 11:47:08 +00:00
Ben Laurie
9b9cb004f7 Deal with the unlikely event that EVP_MD_CTX_size() returns an error. 
(Coverity ID 140).
 2008-12-27 02:09:24 +00:00
Lutz Jänicke
570006f3a2 Half of the commit for 0.9.8 as the bitmap handling has changed. 
(Firstly... ommitted)

Secondly, it wasn't even _dropping_ the offending packets, in the
non-blocking case. It was just returning garbage instead.
PR: #1752
Submitted by: David Woodhouse <dwmw2@infradead.org>
 2008-10-13 06:43:03 +00:00
Andy Polyakov
51ec776b7d dtls1_write_bytes consumers expect amount of bytes written per call, not 
overall.
PR: 1604
 2008-09-14 17:56:15 +00:00
Andy Polyakov
d493899579 DTLS didn't handle alerts correctly. 
PR: 1632
 2008-09-13 18:24:38 +00:00
Andy Polyakov
659f7f3168 Don't let DTLS ChangeCipherSpec increment handshake sequence number. 
PR: 1587
 2007-10-17 21:15:48 +00:00
Andy Polyakov
d527834a1d Basic idea behind explicit IV is to make it unpredictable for attacker. 
Until now it was xor between CBC residue and 1st block from last datagram,
or in other words still predictable.
 2007-09-30 22:01:36 +00:00
Andy Polyakov
89c333e3e5 Make ChangeCipherSpec compliant with DTLS RFC4347. 2007-09-30 21:19:30 +00:00
Andy Polyakov
7432d073af Switch to RFC-compliant version encoding in DTLS. 2007-09-30 18:53:54 +00:00
Dr. Stephen Henson
b948e2c59e Update ssl library to support EVP_PKEY MAC API. Include generic MAC support. 2007-06-04 17:04:40 +00:00
Bodo Möller
1e24b3a09e fix support for receiving fragmented handshake messages 2006-11-29 14:45:50 +00:00
Dr. Stephen Henson
89c9c66736 Submitted by: Brad Spencer <spencer@jacknife.org> 
Reviewed by: steve
 2006-09-23 17:29:49 +00:00
Nils Larsch
8c5a2bd6bb add additional checks + cleanup 
Submitted by: David Hartman <david_hartman@symantec.com>
 2006-01-29 23:12:22 +00:00
Bodo Möller
01c76c6606 There's no such things as DTLS1_AD_MISSING_HANDSHAKE_MESSAGE. 
For now, anyway.
 2006-01-07 20:44:29 +00:00
Richard Levitte
b2a9d36a7f bytes_to_long_long isn't used anywhere any more, so let's remove it 
entirely.
 2005-07-26 05:10:50 +00:00
Richard Levitte
04f15edb91 I'm reversing this change, as it seems the error is somewhere else. 2005-07-26 04:53:21 +00:00
Geoff Thorpe
a384002724 Fix 64-bit compilation when PQ_64BIT_IS_INTEGER isn't defined. 2005-07-26 04:01:50 +00:00
Andy Polyakov
44eff497e8 Fix typo in ssl/d1_pkt.c. 2005-06-20 19:36:34 +00:00
Andy Polyakov
50ec3951dc Handle wrap-arounds and revive missing assignment. 2005-06-20 12:40:37 +00:00
Andy Polyakov
dffdb56b7f "Liberate" dtls from BN dependency. Fix bug in replay/update. 2005-06-07 22:21:14 +00:00