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56 Commits

Author SHA1 Message Date
Jacob Barthelmeh
8eaa85e412 update copyright year to 2022 2022-07-19 10:44:31 -06:00
Masashi Honma
6086728968 Fix possible segfault occurs when mp_clear() is executed for uninitialized mp_int 
If NULL is passed as the digest argument of wc_DsaSign(), mp_clear() will be
called before mp_init() is called. This can cause segmentation fault.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
 2021-11-16 09:57:02 +09:00
Masashi Honma
f621defefe Fix the segfault occurs when mp_clear() is executed for uninitialized mp_int on i386 
test_wc_DsaSignVerify() passes the tests but causes an error.

free(): invalid pointer

If NULL is passed as the digest argument of wc_DsaVerify(), mp_clear() will be
called before mp_init() is called. On qemu-i386, the dp field of the mp_int
structure is non-null by default, which causes a segmentation fault when calling
mp_clear(). However, if WOLFSSL_SMALL_STACK is enabled, this problem does not
occur.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
 2021-11-16 09:56:56 +09:00
Daniel Pouzzner
7915f6acb0 linuxkm: add the remainder of known needed SAVE_VECTOR_REGISTERS() wrappers to PK algs, add DEBUG_VECTOR_REGISTERS_{EXIT,ABORT}_ON_FAIL options; add a slew of ASSERT_SAVED_VECTOR_REGISTERS() to sp_x86_64.c (autogenerated, separate scripts commit to follow). 2021-10-26 20:24:29 -05:00
Daniel Pouzzner
342e319870 dsa.c: fix up comment spelling/typography in wc_MakeDsaKey(). 2021-10-26 20:24:28 -05:00
Daniel Pouzzner
87578262aa wolfcrypt smallstack refactors: 
rsa.c: wc_CompareDiffPQ()

dh.c: wc_DhGenerateParams()

dsa.c: wc_MakeDsaKey() wc_MakeDsaParameters()

srp.c: wc_SrpGetVerifier() wc_SrpSetPrivate() wc_SrpGetPublic()

ecc.c: build_lut() wc_ecc_mulmod_ex() wc_ecc_mulmod_ex2() wc_ecc_shared_secret_gen_sync()

test.c: GenerateNextP() dh_generate_test() GenerateP()
 2021-10-26 20:24:27 -05:00
Jacob Barthelmeh
c07a7deec2 sanity check on q value with DSA sign 2021-10-18 10:17:49 -06:00
Jacob Barthelmeh
63c9fa7a37 add check on bit length of q with DSA 2021-10-11 09:52:57 -06:00
Juliusz Sosinowicz
10168e093a Rebase fixes 2021-07-23 18:14:54 +02:00
Juliusz Sosinowicz
c7d6e26437 Fix DSA signature length 
The length of the DSA signature is 40 bytes for N=160 but 64 bytes for N=256. New enum values are added for better clarity.
 2021-07-23 18:14:18 +02:00
Juliusz Sosinowicz
142ff6d885 Bind 9.11.22 2021-07-23 18:14:18 +02:00
Daniel Pouzzner
05128968f6 fixes for null pointer accesses detected by clang sanitizer. also, gate SuiteTest() on !NO_WOLFSSL_CIPHER_SUITE_TEST in tests/unit.c, greatly reducing time to completion when not debugging cipher suites. 2021-07-16 13:49:47 -05:00
Jacob Barthelmeh
c729318ddd update copyright date 2021-03-11 13:42:46 +07:00
Sean Parkinson
e4f8545e36 SP math all: sp_exch fixed up 2021-02-15 10:29:45 +10:00
Daniel Pouzzner
0b42f3ae72 wolfcrypt/src/dsa.c: disable MSVC warning C4127 (compiler bug) as in wolfcrypt/src/tfm.c and src/internal.c. 2020-12-11 14:16:44 -06:00
Daniel Pouzzner
f2e1595eef wolfcrypt/src/dsa.c: use do{}while(0) with break, rather than goto, for top level flow control in wc_DsaSign() and wc_DsaVerify() smallstack refactor. 2020-12-11 14:16:44 -06:00
Daniel Pouzzner
2ed75402b8 wc_DsaSign(): removal several redundant mp_clear()s preceded by mp_forcezero()s. 2020-12-11 14:16:44 -06:00
Daniel Pouzzner
f49e9bf954 dsa.c, srp.c, wolfcrypt/test/test.c: smallstack refactors: wc_DsaExportKeyRaw(), wc_DsaSign(), wc_SrpSetKey(), ecc_test_cdh_vectors(), ecc_test_custom_curves(). 2020-12-10 14:16:21 -06:00
Juliusz Sosinowicz
41de1bb156 WIP 2020-02-18 21:36:26 +01:00
Chris Conlon
45c5a2d39c update copyright to 2020 2020-01-03 15:06:03 -08:00
Eric Blankenhorn
b83804cb9d Correct misspellings and typos from codespell tool 2019-12-24 12:29:33 -06:00
Sean Parkinson
b9a82204e2 Blinding for DSA sign 2019-12-03 09:36:33 +10:00
toddouska
7098fdff29 Merge pull request #2382 from SparkiDev/dsa_ct 
Use a fixed number of bits with DSA gen and sign
 2019-08-01 11:48:53 -07:00
Sean Parkinson
d7b893f250 Use a fixed number of bits with DSA gen and sign 2019-07-29 09:33:11 +10:00
Sean Parkinson
9e26bc40bb Generate k for DSA signature as per FIPS 186-4 B.2.2 2019-07-26 09:08:23 +10:00
John Safranek
246c444b93 Updates for v4.0.0 
Update the copyright dates on all the source files to the current year.
 2019-03-15 10:37:36 -07:00
Aaron Jense
79590f3310 silence warning for unreachable statement from some compilers. 2018-08-17 15:13:06 -06:00
John Safranek
771e349925 Prime Number Testing 
1. Moved a few functions around in tfm.c and integer.c.
2. Added some new ifdef clauses to tfc and integer so that the prime checking is available when using RSA, DSA, or DH.
3. Added an internal version of function wc_DhSetKey and wc_DsaImportParamsRaw that always checks to see if the prime value is prime. Modified the original function to be a wrapper.
 2018-07-12 17:22:44 -07:00
John Safranek
997a377310 Prime Number Testing 
1. In wc_DhGenerateParams(), changed the call to mp_prime_is_prime() to
mp_prime_is_prime_ex().
2. In wc_MakeDsaParameters(), changed the call to mp_prime_is_prime() to
mp_prime_is_prime_ex().
3. Added wc_CheckProbablePrime_ex in RSA that also takes an RNG to call
mp_prime_is_prime_ex(). If RNG is NULL, call mp_prime_is_prime().
4. Rewrite wc_CheckProbablePrime() in terms of
wc_CheckProbablePrime_ex().
 2018-07-12 15:00:13 -07:00
Chris Conlon
d78a6cebd8 allow DSA raw export functions to return buffer sizes 2018-01-10 10:21:58 -07:00
Chris Conlon
09bb2e5837 clarify DSA variable names, use WOLFSSL_BIT_SIZE 2018-01-08 17:06:33 -07:00
Chris Conlon
fc563550c6 add DSA raw params import export, raw key export functions 2018-01-08 13:36:01 -07:00
Chris Conlon
61f6b9ce0f add DSA 186-4 key generation 2018-01-08 09:54:27 -07:00
David Garske
911b6f95f8 Release v3.12.2 (lib 14.0.0). Updated copywright. 2017-10-22 15:58:35 -07:00
David Garske
6707be2b0e Added new --disable-oldnames option to allow for using openssl along-side wolfssl headers (without OPENSSL_EXTRA). Add --enable-opensslcoexist which makes sure oldnames is disabled. Refactor of SSL_ to WOLF_SSL_. Refactor of SHA, MD5, SHA224, SHA256, SHA512 and SHA384 to WC_ naming. 2017-10-11 09:10:42 -07:00
jrblixt
3560eed52b Add Dsa unit test functions. 2017-07-26 09:01:36 -06:00
David Garske
73567853d3 Fix possible memory leak in DSA and ECC (mp_clear should always be called since async was implemented… even for fast math). Fix dynamic type mismatch in PKCS7. 2017-06-14 15:11:43 -07:00
David Garske
9c7407d18c Added return codes to wc_InitDhKey, wc_InitDsaKey and mp_set. Added missing return code checks on mp_copy in ecc.c. Fixed build with DSA and no ECC where mp_set function def would be missing. 2017-02-21 14:03:21 -08:00
David Garske
bced81d234 Improve handling of mp_init / mp_clear for DH and DSA after speed-up. 2017-02-21 13:59:38 -08:00
David Garske
3bec816f97 Cleanup min(), TRUE, FALSE, ALIGN16 and ALIGN32. Replace only use of BYTE3_LEN with OPAQUE24_LEN. Replace “ “ with “\t” (saves bytes and is consistent). Fix align issue with “WOLFSSL_EVP_MD_CTX” hash. 2016-12-21 14:05:00 -08:00
David Garske
8e64d564dc NXP/Freescale K8X MMCAU / LTC core support for RSA, ECC, Ed/Curve25519, AES, DSA, DES3, MD5, RNG, SHA and SHA2. 2016-12-05 09:01:59 -08:00
toddouska
d9163e4554 add dsa sign sanity check on r/s 2016-09-22 12:04:48 -07:00
toddouska
9e4e08d7a7 fix dsa pre padding 2016-09-21 18:51:11 -07:00
Jacob Barthelmeh
2feee8856e revise static memory and update heap hint 2016-06-04 19:03:48 -06:00
David Garske
993972162e MinGW fixes, server port assigning cleanup and ping test cleanup. Fixes issue with visibility detection with MinGW. The visibility.m4 script was not actually trying to call the hidden function, which caused MinGW to detect improperly that visibility was supported. Fix for bogusFile on Windows build. Fixes to build warnings for unused variable 'res' and signed/unsigned comparison for sizeof min(). Cleanup of the server side port assignment to allow use with Windows/MinGW/Cygwin. If Windows uses new GetRandomPort() function in test.h to get port in in the 49152 - 65535 range. If *nix then uses the tcp_listen returned port. Otherwise uses the default wolfSSLPort. Refactor of the ping test code to use common file and properly handle ping count differences (Windows "-c" vs. *Nix style "-n"). Workaround for MinGW and cyassl/options.h getting file permissions error. Added non-fatal compile warning if using MinGW that "strtok_s" might be missing along with a link to public domain source that can be used. 2016-04-08 11:48:14 -06:00
Jacob Barthelmeh
e99a5b0483 prepare for release v3.9.0 2016-03-17 16:02:13 -06:00
Chris Conlon
4b74e96542 remove stdio.h from dsa.c 2015-08-10 09:34:16 -06:00
Chris Conlon
5d40c5f566 Rename RNG to WC_RNG for Freescale, add NO_OLD_RNGNAME define to completely remove RNG type usage 2015-08-07 11:53:19 -06:00
Ludovic FLAMENT
8951d72f03 Merge branch 'master' of https://github.com/wolfSSL/wolfssl 
Fix DSA key generation
 2015-07-23 13:24:20 +02:00
Ludovic FLAMENT
349edd40c2 Add support for OpenSSH ssh-keygen tools 
refactor existing code
 2015-07-22 14:18:07 +02:00