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fd8f79d89f
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132 Commits

Author SHA1 Message Date
Gilles Peskine
fd8f79d89f More length checks in RSA PKCS1v15 verify 
Tighten ASN.1 parsing of RSA PKCS#1 v1.5 signatures, to avoid a
potential Bleichenbacher-style attack.

Backport to 2.1.x
 2017-05-03 18:45:15 +02:00
Simon Butcher
72388387c0 Merge branch for fix for #502 - Unchecked calls 
Conflicts:
	ChangeLog
 2016-10-14 01:03:11 +01:00
Janos Follath
95b303648c Restore P>Q in RSA key generation (#558) 
The PKCS#1 standard says nothing about the relation between P and Q
but many libraries guarantee P>Q and mbed TLS did so too in earlier
versions.

This commit restores this behaviour.
 2016-10-13 00:58:09 +01:00
Brian J Murray
88c2d227e4 Fixed unchecked calls to mbedtls_md_setup in rsa.c (#502) 
* Fixed unchecked calls to mbedtls_md_setup in rsa.c:

* style fixes
 2016-09-05 14:05:55 +01:00
Janos Follath
25da9b35cf Moved underflow test to better reflect time constant behaviour. 2016-05-18 19:33:39 +01:00
Janos Follath
43e9297e12 Included test for integer underflow. 2016-05-18 19:30:09 +01:00
Janos Follath
e33f559de1 Included tests for the overflow 2016-05-18 19:30:09 +01:00
Janos Follath
e007c9fede Removing 'if' branch from the fix. 
This new error shouldn't be distinguishable from other padding errors.
Updating 'bad' instead of adding a new 'if' branch.
 2016-05-18 19:30:09 +01:00
Janos Follath
a95834340a Length check added 2016-05-18 19:30:09 +01:00
Janos Follath
689a627215 Fix null pointer dereference in the RSA module. 
Introduced null pointer checks in mbedtls_rsa_rsaes_pkcs1_v15_encrypt
 2016-04-19 10:20:59 +01:00
Simon Butcher
0705dd0588 Adds test for odd bit length RSA key size 
Also tidy up ChangeLog following review.
 2016-04-19 09:19:46 +01:00
Janos Follath
1a59a504e7 Fix odd bitlength RSA key generation 
Fix issue that caused a hang up when generating RSA keys of odd
bitlength.
 2016-04-19 09:19:21 +01:00
Simon Butcher
318daf0c7e Fix for memory leak in RSA-SSA signing 
Fix in mbedtls_rsa_rsassa_pkcs1_v15_sign() in rsa.c. Resolves github issue #372
 2016-01-01 23:15:10 +00:00
Manuel Pégourié-Gonnard
9f44a80ea3 Try to prevent some misuse of RSA functions 
fixes #331
 2015-10-30 10:57:43 +01:00
Manuel Pégourié-Gonnard
5f50104c52 Add counter-measure against RSA-CRT attack 
https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/
 2015-09-08 13:39:29 +02:00
Manuel Pégourié-Gonnard
37ff14062e Change main license to Apache 2.0 2015-09-04 14:21:07 +02:00
Manuel Pégourié-Gonnard
4d04cdcd12 Fix RSA mutex fix 
Once the mutex is acquired, we must goto cleanup rather that return.
Since cleanup adjusts the return value, adjust that in test cases.

Also, at cleanup we don't want to overwrite 'ret', or we'll loose track of
errors.

see #257
 2015-08-31 09:31:55 +02:00
Manuel Pégourié-Gonnard
1385a289f4 Fix possible mutex lock/unlock mismatch 
fixes #257
 2015-08-27 11:30:58 +02:00
Manuel Pégourié-Gonnard
d1004f02e6 Fix printed output of some selftests 2015-08-07 10:57:41 +02:00
Manuel Pégourié-Gonnard
6fb8187279 Update date in copyright line 2015-07-28 17:11:58 +02:00
Manuel Pégourié-Gonnard
c0696c216b Rename mbedtls_mpi_msb to mbedtls_mpi_bitlen 2015-06-18 16:49:37 +02:00
Manuel Pégourié-Gonnard
bdd7828ca0 Always check return status of mutex_(un)lock() 2015-04-24 14:43:24 +02:00
Manuel Pégourié-Gonnard
53c76c07de Merge branch 'mbedtls-1.3' into development 
* commit 'ce60fbe':
  Fix potential timing difference with RSA PMS
  Update Changelog for recent merge
  Added more constant-time code and removed biases in the prime number generation routines.

Conflicts:
	library/bignum.c
	library/ssl_srv.c
 2015-04-17 20:19:32 +02:00
Manuel Pégourié-Gonnard
aac657a1d3 Merge remote-tracking branch 'pj/development' into mbedtls-1.3 
* pj/development:
  Added more constant-time code and removed biases in the prime number generation routines.
 2015-04-15 14:12:59 +02:00
Manuel Pégourié-Gonnard
2cf5a7c98e The Great Renaming 
A simple execution of tmp/invoke-rename.pl
 2015-04-08 13:25:31 +02:00
Manuel Pégourié-Gonnard
998930ae0d Replace non-ascii characters in source files 2015-04-03 13:48:06 +02:00
Manuel Pégourié-Gonnard
26c9f90cae Merge branch 'mbedtls-1.3' into development 
* mbedtls-1.3:
  Add missing depends in x509 programs
  Simplify ifdef checks in programs/x509
  Fix thread safety issue in RSA operations
  Add test certificate for bitstring in DN
  Add support for X.520 uniqueIdentifier
  Accept bitstrings in X.509 names
 2015-03-31 17:56:15 +02:00
Manuel Pégourié-Gonnard
88fca3ef0e Fix thread safety issue in RSA operations 
The race was due to mpi_exp_mod storing a Montgomery coefficient in the
context (RM, RP, RQ).

The fix was verified with -fsanitize-thread using ssl_pthread_server and two
concurrent clients.

A more fine-grained fix should be possible, locking just enough time to check
if those values are OK and set them if not, rather than locking for the whole
mpi_exp_mod() operation, but it will be for later.
 2015-03-27 15:12:05 +01:00
Manuel Pégourié-Gonnard
abb674467b Rename md_init_ctx() to md_setup() 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
4063ceb281 Make hmac_ctx optional 
Note from future self: actually md_init_ctx will be re-introduced with the
same signature later, and a new function with the additional argument will be
added.
 2015-03-25 21:55:56 +01:00
Manuel Pégourié-Gonnard
ca878dbaa5 Make md_info_t an opaque structure 
- more freedom for us to change it in the future
- enforces hygiene
- performance impact of making accessors no longer inline should really be
  negligible
 2015-03-25 21:37:15 +01:00
Pascal Junod
b99183dfc6 Added more constant-time code and removed biases in the prime number generation routines. 2015-03-11 16:49:45 +01:00
Manuel Pégourié-Gonnard
7f8099773e Rename include directory to mbedtls 2015-03-10 11:23:56 +00:00
Manuel Pégourié-Gonnard
fe44643b0e Rename website and repository 2015-03-06 13:17:10 +00:00
Manuel Pégourié-Gonnard
a273371fc4 Fix "int vs enum" warnings from armcc v5 
enumerated type mixed with another type
 2015-02-10 17:34:48 +01:00
Rich Evans
00ab47026b cleanup library and some basic tests. Includes, add guards to includes 2015-02-10 11:28:46 +00:00
Manuel Pégourié-Gonnard
860b51642d Fix url again 2015-01-28 17:12:07 +00:00
Manuel Pégourié-Gonnard
085ab040aa Fix website url to use https. 2015-01-23 11:06:27 +00:00
Manuel Pégourié-Gonnard
9698f5852c Remove maintainer line. 2015-01-23 10:59:00 +00:00
Manuel Pégourié-Gonnard
19f6b5dfaa Remove redundant "all rights reserved" 2015-01-23 10:54:00 +00:00
Manuel Pégourié-Gonnard
a658a4051b Update copyright 2015-01-23 09:55:24 +00:00
Manuel Pégourié-Gonnard
967a2a5f8c Change name to mbed TLS in the copyright notice 2015-01-22 14:28:16 +00:00
Manuel Pégourié-Gonnard
2f8d1f9fc3 Add rsa_check_pub_priv() 2014-11-06 18:25:51 +01:00
Manuel Pégourié-Gonnard
e10e06d863 Blind RSA operations even without CRT 2014-11-06 18:25:44 +01:00
Paul Bakker
21e081b068 Prevent (incorrect) compiler warning 2014-07-24 10:38:01 +02:00
Paul Bakker
84bbeb58df Adapt cipher and MD layer with _init() and _free() 2014-07-09 10:19:24 +02:00
Paul Bakker
66d5d076f7 Fix formatting in various code to match spacing from coding style 2014-06-17 17:06:47 +02:00
Paul Bakker
d8bb82665e Fix code styling for return statements 2014-06-17 14:06:49 +02:00
Manuel Pégourié-Gonnard
88aa6e0b58 Fix potential memory leak in RSASSA-PSS verify 2014-06-06 16:32:22 +02:00
Manuel Pégourié-Gonnard
0eaa8beb36 Fix signedness warning 2014-06-06 16:32:22 +02:00