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293 Commits

Author SHA1 Message Date
Hanno Becker
ba5b755f1a Change signature and semantics of mbedtls_rsa_deduce_moduli 
Input arguments are marked as constant. Further, no double-checking is performed when a factorization of the modulus has
been found.
 2017-10-02 09:55:49 +01:00
Hanno Becker
56bae95e1d Improve style and documentation, fix typo 2017-09-29 15:43:49 +01:00
Hanno Becker
2fdffe0da0 Check exactly for the RSA context fields required in rsa_private 
Previously, the code was also checking for the presence of D for RSA-CRT, which
is not needed in this case.
 2017-09-29 15:28:49 +01:00
Hanno Becker
bead71752e Correct typo in rsa.c 2017-09-29 12:41:06 +01:00
Hanno Becker
ba1ba11a98 Check that length is properly set in mbedtls_rsa_check_pubkey 2017-09-29 11:54:05 +01:00
Hanno Becker
2f8f06aa25 Don't always recompute context length in mbedtls_rsa_get_len 
This commit changes the implementation of `mbedtls_rsa_get_len` to return
`ctx->len` instead of always re-computing the modulus' byte-size via
`mbedtls_mpi_size`.
 2017-09-29 11:54:05 +01:00
Hanno Becker
2cca6f3290 Always deduce N from P, Q in mbedtls_rsa_complete 
Previously, a parameter set of (-, P, Q, -, E) was completed, but (-, P, Q, D,
E) wasn't - this is odd.
 2017-09-29 11:54:05 +01:00
Hanno Becker
2c9f027e32 Don't require P,Q if CRT is not used 
Previously, verification used P,Q regardless of whether CRT was used in the
computation, but this has changed in the meantime.
 2017-09-28 11:04:13 +01:00
Hanno Becker
45037ceac5 Add check for presence of relevant parameters in mbedtls_rsa_private 
If CRT is used, check for the presence N, P, Q, D, E, DP, DQ and QP. If CRT is
not used, check for N, P, Q, D, E only.
 2017-09-14 08:02:14 +01:00
Hanno Becker
a988a2702a Emit deprecation warning if MBEDTLS_RSA_FORCE_BLINDING is not set 2017-09-07 13:11:33 +01:00
Hanno Becker
cc209ca56d Remove signature verification from rsa_rsassa_pkcs1_v15_sign 
This verification path is redundant now that verification is uniformly done in
rsa_private.
 2017-08-25 11:52:29 +01:00
Hanno Becker
43f94721ab Add quick-check for presence of relevant parameters in rsa_private 2017-08-25 11:52:27 +01:00
Hanno Becker
c6075cc5ac Don't use CRT for signature verification 
If CRT is not used, the helper fields CRT are not assumed to be present in the
RSA context structure, so do the verification directly in this case. If CRT is
used, verification could be done using CRT, but we're sticking to ordinary
verification for uniformity.
 2017-08-25 11:45:35 +01:00
Hanno Becker
b269a8584a Change mbedtls_rsa_check_privkey to use new helper functions 2017-08-25 08:35:09 +01:00
Hanno Becker
d9431a7817 Minor comments improvement 2017-08-25 08:35:09 +01:00
Hanno Becker
d363799a9d Add mbedtls_rsa_validate_crt 
This commit adds the function mbedtls_rsa_validate_crt for validating a set of CRT parameters. The function
mbedtls_rsa_check_crt is simplified accordingly.
 2017-08-25 08:35:09 +01:00
Hanno Becker
d56d83a7f3 Remove double-checking code from rsa_deduce_moduli and rsa_complete 2017-08-25 08:35:08 +01:00
Hanno Becker
750e8b4596 Rename rsa_check_params->rsa_validate_params and change error codes 2017-08-25 08:34:55 +01:00
Hanno Becker
fb81c0ec2e Guard primality checks in RSA module by MBEDTLS_GENPRIME 
Primality testing is guarded by the configuration flag MBEDTLS_GENPRIME and used in the new RSA helper functions. This
commit adds a corresponding preprocessor directive.
 2017-08-24 06:55:11 +01:00
Hanno Becker
ab3773123c Add support for alternative RSA implementations 
Alternative RSA implementations can be provided by defining MBEDTLS_RSA_ALT in
config.h, defining an mbedtls_rsa_context struct in a new file rsa_alt.h and
re-implementing the RSA interface specified in rsa.h.

Through the previous reworkings, the adherence to the interface is the only
implementation obligation - in particular, implementors are free to use a
different layout for the RSA context structure.
 2017-08-23 16:24:51 +01:00
Hanno Becker
6345dd33b9 Adapt rsa_check_privkey to deal with NO_CRT option 2017-08-23 16:17:28 +01:00
Hanno Becker
bee3aaeb50 Adapt rsa_gen_key to deal with RSA_NO_CRT option 2017-08-23 16:17:28 +01:00
Hanno Becker
dc95c890ad Adapt rsa_deduce_crt to deal with RSA_NO_CRT option 2017-08-23 16:17:28 +01:00
Hanno Becker
33c30a0c7e Adapt rsa_copy and rsa_free to deal with RSA_NO_CRT option 2017-08-23 16:17:28 +01:00
Hanno Becker
23344b5fcc Adapt rsa_complete to deal with RSA_NO_CRT option 2017-08-23 16:17:28 +01:00
Hanno Becker
83aad1fa86 Adapt gen_key example program to new RSA interface 2017-08-23 16:17:27 +01:00
Hanno Becker
3a701161ff Adapt RSA selftest to new RSA interface 
This commit replaces direct manipulation of structure fields in the RSA selftest
by calls to the extended interface.
 2017-08-23 15:07:40 +01:00
Hanno Becker
617c1aeb18 Implement new RSA interface functions 2017-08-23 14:47:22 +01:00
Hanno Becker
e2e8b8da1d Implement RSA helper functions 2017-08-23 14:44:33 +01:00
Andres Amaya Garcia
c5c7d76bf5 Add goto exit; stmt in rsa.c for consistency 2017-07-20 14:42:16 +01:00
Andres Amaya Garcia
94682d1d7d Fix use of unitialized ret in rsa.c 2017-07-20 14:26:37 +01:00
Andres Amaya Garcia
698089e07e Change RSA to use new MD API and check return code 2017-06-28 13:01:15 +01:00
Hanno Becker
06811ced27 Put configuration options for RSA blinding and verification to work. 2017-06-09 13:29:53 +01:00
Hanno Becker
5bc8729b9e Correct memory leak in RSA self test 
The RSA self test didn't free the RSA context on failure.
 2017-06-09 13:29:53 +01:00
Manuel Pégourié-Gonnard
b86b143030 Merge remote-tracking branch 'restricted/iotssl-1138-rsa-padding-check-restricted' into development-restricted 
* restricted/iotssl-1138-rsa-padding-check-restricted:
  RSA PKCS1v1.5 verification: check padding length
 2017-06-08 20:31:06 +02:00
Manuel Pégourié-Gonnard
a0bf6ecfc3 Merge remote-tracking branch 'restricted/IOTSSL-1366/development-restricted' into development-restricted 
* restricted/IOTSSL-1366/development-restricted:
  More length checks in RSA PKCS1v15 verify
  More length checks in RSA PKCS1v15 verify
 2017-06-08 20:24:29 +02:00
Gilles Peskine
18ac716021 RSA: wipe more stack buffers 
MGF mask and PSS salt are not highly sensitive, but wipe them anyway
for good hygiene.
 2017-05-16 10:22:37 +01:00
Gilles Peskine
4a7f6a0ddb RSA: wipe stack buffers 
The RSA private key functions rsa_rsaes_pkcs1_v15_decrypt and
rsa_rsaes_oaep_decrypt put sensitive data (decryption results) on the
stack. Wipe it before returning.

Thanks to Laurent Simon for reporting this issue.
 2017-05-16 10:22:37 +01:00
Janos Follath
f9203b4139 Add exponent blinding to RSA with CRT 
The sliding window exponentiation algorithm is vulnerable to
side-channel attacks. As a countermeasure we add exponent blinding in
order to prevent combining the results of different measurements.

This commit handles the case when the Chinese Remainder Theorem is used
to accelerate the computation.
 2017-05-16 10:22:37 +01:00
Janos Follath
e81102e476 Add exponent blinding to RSA without CRT 
The sliding window exponentiation algorithm is vulnerable to
side-channel attacks. As a countermeasure we add exponent blinding in
order to prevent combining the results of fifferent measurements.

This commits handles the case when the Chinese Remainder Theorem is NOT
used to accelerate computations.
 2017-05-16 10:22:37 +01:00
Manuel Pégourié-Gonnard
c1380de887 RSA PKCS1v1.5 verification: check padding length 
The test case was generated by modifying our signature code so that it
produces a 7-byte long padding (which also means garbage at the end, so it is
essential in to check that the error that is detected first is indeed the
padding rather than the final length check).
 2017-05-11 13:10:13 +02:00
Gilles Peskine
e7e7650480 More length checks in RSA PKCS1v15 verify 
Added one check that I'd missed, and made the style more uniform.
 2017-05-04 12:48:39 +02:00
Gilles Peskine
0e17eb05f8 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.
 2017-05-03 18:56:10 +02:00
Janos Follath
ef44178474 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 00:25:07 +01:00
Simon Butcher
ab069c6b46 Merge branch 'development' into development-restricted 2016-06-23 21:42:26 +01:00
Brian J Murray
e7be5bdb96 Fixed unchecked calls to mbedtls_md_setup in rsa.c (#502) 
* Fixed unchecked calls to mbedtls_md_setup in rsa.c:

* style fixes
 2016-06-23 20:57:03 +01:00
Simon Butcher
f991128d40 Revert accidental changes to file mode of rsa.c 2016-06-09 13:41:28 +01:00
Janos Follath
a338691b46 Merge branch 'development' into development-restricted 2016-06-07 09:24:41 +01:00
Simon Butcher
50cdede726 Revert accidental changes to file mode of rsa.c 2016-06-06 20:15:33 +01:00
Janos Follath
04b591ee79 Merge branch 'development' for weekly test report. 2016-05-31 10:18:41 +01:00
Simon Butcher
9c22e7311c Merge branch 'development' 2016-05-24 13:25:46 +01:00
Simon Butcher
65b1fa6b07 Fixes warnings found by Clang static analyser 
Also removes annotations in the code to avoid warnings which don't appear to
be needed.
 2016-05-23 23:18:26 +01:00
Brian Murray
930a3701e7 fix indentation in output of selftest.c 2016-05-23 14:29:32 +01:00
Paul Bakker
38d188896c Cleanup ifdef statements 2016-05-23 14:29:31 +01:00
Nicholas Wilson
e735303026 Shut up a few clang-analyze warnings about use of uninitialized variables 
The functions are all safe, Clang just isn't clever enough to realise
it.
 2016-05-23 14:29:28 +01:00
Simon Butcher
94bafdf834 Merge branch 'development' 2016-05-18 18:40:46 +01:00
Simon Butcher
c21bec8af4 Merge branch 'development' 2016-05-16 16:15:20 +01:00
Paul Bakker
21cc5741cf Cleanup ifdef statements 2016-05-12 12:46:28 +01:00
Paul Bakker
f4743a6f5e Merge pull request #457 from NWilson/clang-analyze-fixes 
Clang analyze fixes
 2016-05-11 20:20:42 +02:00
Simon Butcher
2300776816 Merge branch 'development' 2016-04-19 10:39:36 +01:00
Janos Follath
1ed9f99ef3 Fix null pointer dereference in the RSA module. 
Introduced null pointer checks in mbedtls_rsa_rsaes_pkcs1_v15_encrypt
 2016-04-19 10:16:31 +01:00
Simon Butcher
3f5c875654 Adds test for odd bit length RSA key size 
Also tidy up ChangeLog following review.
 2016-04-15 19:06:59 +01:00
Janos Follath
10c575be3e Fix odd bitlength RSA key generation 
Fix issue that caused a hang up when generating RSA keys of odd
bitlength.
 2016-04-15 18:49:13 +01:00
Nicholas Wilson
409401c044 Shut up a few clang-analyze warnings about use of uninitialized variables 
The functions are all safe, Clang just isn't clever enough to realise
it.
 2016-04-13 11:56:22 +01:00
Simon Butcher
078bcdd6f6 Merge branch 'IOTSSL-628-BufferOverread' 2016-03-16 22:53:11 +00:00
Simon Butcher
0203745e23 Swap C++ comments to C for style consistency in rsa.c 2016-03-09 21:06:20 +00:00
Janos Follath
c69fa50d4c 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.
 2016-03-09 21:06:19 +00:00
Janos Follath
b6eb1ca01c Length check added 2016-03-09 21:06:19 +00:00
Manuel Pégourié-Gonnard
370717b571 Add precision about exploitability in ChangeLog 
Also fix some whitespace while at it.
 2016-03-09 21:06:19 +00:00
Janos Follath
eddfe8f6f3 Included tests for the overflow 2016-03-09 21:06:19 +00:00
Janos Follath
c17cda1ab9 Moved underflow test to better reflect time constant behaviour. 2016-02-11 11:08:18 +00:00
Janos Follath
b8afe1bb2c Included test for integer underflow. 2016-02-09 14:51:35 +00:00
Simon Butcher
bdae02ce90 Corrected references for RSA and DHM 
The links in the references in rsa.c and dhm.c were no longer valid and needed
updating.
 2016-01-20 00:44:42 +00:00
Simon Butcher
1285ab5dc2 Fix for memory leak in RSA-SSA signing 
Fix in mbedtls_rsa_rsassa_pkcs1_v15_sign() in rsa.c
 2016-01-01 21:42:47 +00:00
Manuel Pégourié-Gonnard
fb84d38b45 Try to prevent some misuse of RSA functions 
fixes #331
 2015-10-30 10:56:25 +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
Manuel Pégourié-Gonnard
5ec628a2b9 Add rsa_rsassa_pss_verify_ext() 2014-06-05 14:02:05 +02:00
Manuel Pégourié-Gonnard
e6d1d82b66 Relax checks on RSA mode for public key operations 2014-06-04 12:09:08 +02:00
Paul Bakker
9af723cee7 Fix formatting: remove trailing spaces, #endif with comments (> 10 lines) 2014-05-01 13:03:14 +02:00
Manuel Pégourié-Gonnard
cef4ad2509 Adapt sources to configurable config.h name 2014-04-30 16:40:20 +02:00
Paul Bakker
f96f7b607a On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings 2014-04-30 16:02:38 +02:00
Paul Bakker
24f37ccaed rsa_check_pubkey() now allows an E up to N 2014-04-30 13:43:51 +02:00
Paul Bakker
3d8fb63e11 Added missing MPI_CHK around mpi functions 2014-04-17 12:42:41 +02:00
Manuel Pégourié-Gonnard
fdddac90a6 Fix stupid bug in rsa_copy() 2014-03-26 12:58:49 +01:00
Manuel Pégourié-Gonnard
844a4c0aef Fix RSASSA-PSS example programs 2014-03-13 19:25:06 +01:00
Paul Bakker
7dc4c44267 Library files moved to use platform layer 2014-02-06 13:20:16 +01:00
Manuel Pégourié-Gonnard
fbf0915404 Fix bug in RSA PKCS#1 v1.5 "reversed" operations 2014-02-05 17:01:24 +01:00
Paul Bakker
42099c3155 Revert "Add pk_rsa_set_padding() and rsa_set_padding()" 
This reverts commit b4fae579e8.

Conflicts:
	library/pk.c
	tests/suites/test_suite_pk.data
	tests/suites/test_suite_pk.function
 2014-01-27 11:59:29 +01:00
Manuel Pégourié-Gonnard
b4fae579e8 Add pk_rsa_set_padding() and rsa_set_padding() 2014-01-22 13:03:27 +01:00
Manuel Pégourié-Gonnard
7c59363a85 Remove a few dead stores 2014-01-22 13:02:39 +01:00
Paul Bakker
4de44aa0ae Rewrote check to prevent read of uninitialized data in 
rsa_rsassa_pss_verify()
 2013-12-31 11:43:01 +01:00
Paul Bakker
fef3c5a652 Fixed typo in POLARSSL_PKCS1_V15 in rsa.c 2013-12-11 13:36:30 +01:00
Manuel Pégourié-Gonnard
27290daf3b Check PKCS 1.5 padding in a more constant-time way 
(Avoid branches that depend on secret data.)
 2013-11-30 13:36:53 +01:00
Manuel Pégourié-Gonnard
ab44d7ecc3 Check OAEP padding in a more constant-time way 2013-11-30 13:13:05 +01:00
Manuel Pégourié-Gonnard
a5cfc35db2 RSA-OAEP decrypt: reorganise code 2013-11-29 11:58:13 +01:00
Paul Bakker
b9cfaa0c7f Explicit conversions and minor changes to prevent MSVC compiler warnings 2013-10-14 15:50:40 +02:00
Manuel Pégourié-Gonnard
ae102995a7 RSA blinding: lock for a smaller amount of time 2013-10-11 09:19:12 +02:00
Manuel Pégourié-Gonnard
4d89c7e184 RSA blinding: check highly unlikely cases 2013-10-11 09:18:27 +02:00
Manuel Pégourié-Gonnard
971f8b84bb Fix compile errors with RSA_NO_CRT 2013-10-11 09:18:16 +02:00
Paul Bakker
c9965dca27 RSA blinding threading support 2013-09-29 15:02:11 +02:00
Paul Bakker
3e41fe8938 Remove printf when RSA selftest is skipped 2013-09-15 17:42:50 +02:00
Manuel Pégourié-Gonnard
735b8fcb0b Fix blunder in 8a109f1 2013-09-13 12:57:23 +02:00
Paul Bakker
9013af76a3 Merged major refactoring of x509write module into development 
This refactoring adds support for proper CSR writing and X509
certificate generation / signing
 2013-09-12 11:58:04 +02:00
Manuel Pégourié-Gonnard
8a109f106d Optimize RSA blinding by caching-updating values 2013-09-10 13:55:36 +02:00
Manuel Pégourié-Gonnard
ea53a55c0f Refactor to prepare for RSA blinding optimisation 2013-09-10 13:55:35 +02:00
Paul Bakker
1c3853b953 oid_get_oid_by_*() now give back oid length as well 2013-09-10 11:43:44 +02:00
Paul Bakker
f451bac000 Blinding RSA only active when f_rng is provided 2013-08-30 15:48:53 +02:00
Paul Bakker
48377d9834 Configuration option to enable/disable POLARSSL_PKCS1_V15 operations 2013-08-30 13:41:14 +02:00
Paul Bakker
aab30c130c RSA blinding added for CRT operations 2013-08-30 11:03:09 +02:00
Paul Bakker
548957dd49 Refactored RSA to have random generator in every RSA operation 
Primarily so that rsa_private() receives an RNG for blinding purposes.
 2013-08-30 10:30:02 +02:00
Manuel Pégourié-Gonnard
3053f5bcb4 Get rid of pk_wrap_rsa() 2013-08-20 20:46:04 +02:00
Manuel Pégourié-Gonnard
cc0a9d040d Fix const-correctness of rsa_*_verify() 2013-08-20 20:46:03 +02:00
Paul Bakker
c70b982056 OID functionality moved to a separate module. 
A new OID module has been created that contains the main OID searching
functionality based on type-dependent arrays. A base type is used to
contain the basic values (oid_descriptor_t) and that type is extended to
contain type specific information (like a pk_alg_t).

As a result the rsa sign and verify function prototypes have changed. They
now expect a md_type_t identifier instead of the removed RSA_SIG_XXX
defines.

All OID definitions have been moved to oid.h
All OID matching code is in the OID module.

The RSA PKCS#1 functions cleaned up as a result and adapted to use the
MD layer.

The SSL layer cleanup up as a result and adapted to use the MD layer.

The X509 parser cleaned up and matches OIDs in certificates with new
module and adapted to use the MD layer.

The X509 writer cleaned up and adapted to use the MD layer.

Apps and tests modified accordingly
 2013-04-07 22:00:46 +02:00
Paul Bakker
8804f69d46 Removed timing differences due to bad padding from RSA decrypt for 
PKCS#1 v1.5 operations
 2013-03-06 18:01:03 +01:00
Paul Bakker
a43231c5a5 Added support for custom labels when using rsa_rsaes_oaep_encrypt() or rsa_rsaes_oaep_decrypt() 2013-03-06 18:01:02 +01:00