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d73f61332e
mbedtls/library
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Janos Follath d73f61332e Correct deterministic ECDSA behavior 
We were still reusing the internal HMAC-DRBG of the deterministic ECDSA
for blinding. This meant that with cryptographically low likelyhood the
result was not the same signature as the one the deterministic ECDSA
algorithm has to produce (however it is still a valid ECDSA signature).

To correct this we seed a second HMAC-DRBG with the same seed to restore
correct behavior. We also apply a label to avoid reusing the bits of the
ephemeral key for a different purpose and reduce the chance that they
leak.

This workaround can't be implemented in the restartable case without
penalising the case where external RNG is available or completely
defeating the purpose of the restartable feature, therefore in this case
the small chance of incorrect behavior remains.
2019-03-06 16:51:22 +00:00
..
.gitignore
aes.c Fix off-by-one in iv_off check and add tests 2018-12-18 12:22:40 +01:00
aesni.c
arc4.c
aria.c Implement parameter validation for ARIA module 2018-12-19 12:51:00 +00:00
asn1parse.c
asn1write.c Fix ASN1 bitstring writing 2019-02-11 21:13:33 +00:00
base64.c
bignum.c Merge remote-tracking branch 'origin/pr/2214' into mbedtls-2.16 2019-01-30 15:03:02 +00:00
blowfish.c Implement parameter validation for Blowfish module 2018-12-19 12:52:59 +00:00
camellia.c Minor improvements to Camellia module and documentation 2018-12-19 13:42:05 +00:00
ccm.c Improve details of CCM parameter validation and documentation 2018-12-19 19:02:39 +01:00
certs.c Update hardcoded certificates in library/certs.c 2018-11-02 10:52:38 +00:00
chacha20.c Implement parameter validation for ChaCha/Poly modules 2018-12-18 15:30:30 +00:00
chachapoly.c Fix wrong conditional in free() functions 2018-12-18 15:30:30 +00:00
cipher_wrap.c
cipher.c Remove unnecessary parameter validation from the Cipher module 2018-12-19 17:34:58 +01:00
cmac.c
CMakeLists.txt Use CMAKE_BUILD_TYPE to do Asan builds 2019-01-09 22:35:57 +01:00
ctr_drbg.c Streamline mbedtls_xxx_drbg_update_seed_file 2018-11-26 19:26:22 +01:00
debug.c Debug: Add functions for ECDH contexts 2018-12-06 12:22:46 +00:00
des.c
dhm.c Merge remote-tracking branch 'public/pr/1721' into development-restricted 2018-12-20 12:37:13 +00:00
ecdh.c Minor fixes to parameter validation in ECDH module 2018-12-18 23:32:42 +00:00
ecdsa.c Correct deterministic ECDSA behavior 2019-03-06 16:51:22 +00:00
ecjpake.c Minor fixes to ECJPAKE parameter validation 2018-12-19 09:48:50 +00:00
ecp_curves.c Implement parameter validation for ECP module 2018-12-18 13:00:48 +00:00
ecp.c Fix mbedtls_ecp_curve_info_from_name() for NULL input 2018-12-19 08:52:05 +00:00
entropy_poll.c Add missing bracket 2018-11-06 13:12:47 +00:00
entropy.c
error.c Merge remote-tracking branch 'public/pr/2271' into development 2018-12-20 12:15:08 +00:00
gcm.c Improve parameter validation in mbedtls_gcm_free() 2018-12-19 17:32:19 +01:00
havege.c
hkdf.c
hmac_drbg.c Streamline mbedtls_xxx_drbg_update_seed_file 2018-11-26 19:26:22 +01:00
Makefile
md2.c
md4.c
md5.c
md_wrap.c
md.c
memory_buffer_alloc.c
net_sockets.c
nist_kw.c Remove faulty cipher_finish calls from nist_kw 2018-12-20 12:15:40 +01:00
oid.c
padlock.c
pem.c
pk_wrap.c Fix or improve some comments (and whitespace) 2018-10-15 15:27:49 +02:00
pk.c Merge remote-tracking branch 'public/pr/1721' into development-restricted 2018-12-20 12:37:13 +00:00
pkcs5.c Guard mbedtls_pkcs5_pbes2() by MBEDTLS_ASN1_PARSE_C 2018-10-16 13:39:40 +01:00
pkcs11.c
pkcs12.c Make PBE-related parts of PKCS12 depend on MBEDTLS_ASN1_PARSE_C 2018-10-16 13:39:40 +01:00
pkparse.c pk_parse*keyfile: explicitly validate path=NULL 2018-12-19 17:37:02 +01:00
pkwrite.c PK parse/write: support keylen=0 correctly 2018-12-19 17:03:28 +01:00
platform_util.c Remove the library provided function of MBEDTLS_PARAM_FAILED 2018-12-11 12:28:56 +01:00
platform.c Omit runtime configuration of calloc/free if macro config enabled 2018-10-11 11:04:20 +01:00
poly1305.c Fix wrong conditional in free() functions 2018-12-18 15:30:30 +00:00
ripemd160.c
rsa_internal.c Bignum: Deprecate mbedtls_mpi_is_prime() 2018-10-09 16:36:53 +01:00
rsa.c Merge remote-tracking branch 'public/pr/1721' into development-restricted 2018-12-20 12:37:13 +00:00
sha1.c Move SHA1_VALIDATE[_RET] outside of MBEDTLS_SHA1_ALT guard 2018-12-20 10:18:05 +00:00
sha256.c Move SHA256_VALIDATE[_RET] outside of MBEDTLS_SHA256_ALT guard 2018-12-20 10:24:29 +00:00
sha512.c Move SHA512_VALIDATE[_RET] outside of MBEDTLS_SHA512_ALT guard 2018-12-20 10:24:00 +00:00
ssl_cache.c
ssl_ciphersuites.c Reduce priority of 3DES ciphersuites 2019-03-01 10:29:13 +01:00
ssl_cli.c SSL: Make use of the new ECDH interface 2018-12-06 12:22:46 +00:00
ssl_cookie.c
ssl_srv.c SSL: Make use of the new ECDH interface 2018-12-06 12:22:46 +00:00
ssl_ticket.c Indentation fix 2018-10-25 16:07:16 +01:00
ssl_tls.c Merge remote-tracking branch 'upstream-public/pr/2181' into development 2018-12-06 16:11:49 +00:00
threading.c
timing.c Merge remote-tracking branch 'public/pr/1777' into development-proposed 2018-11-04 18:51:36 +00:00
version_features.c Reduce priority of 3DES ciphersuites 2019-03-01 10:29:13 +01:00
version.c
x509_create.c Break overly long line in library/x509_create.c 2018-11-02 10:52:38 +00:00
x509_crl.c
x509_crt.c Avoid MSVC compiler warning 2019-01-10 09:23:48 +00:00
x509_csr.c Fix CSR parsing header call 2018-10-07 17:48:37 +01:00
x509.c
x509write_crt.c Fix ASN1 bitstring writing 2019-02-11 21:13:33 +00:00
x509write_csr.c Fix ASN1 bitstring writing 2019-02-11 21:13:33 +00:00
xtea.c