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6bd8c0ae2a
mbedtls/library
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Janos Follath 6bd8c0ae2a ECDSA: Fix side channel vulnerability 
The blinding applied to the scalar before modular inversion is
inadequate. Bignum is not constant time/constant trace, side channel
attacks can retrieve the blinded value, factor it (it is smaller than
RSA keys and not guaranteed to have only large prime factors). Then the
key can be recovered by brute force.

Reducing the blinded value makes factoring useless because the adversary
can only recover pk*t+z*N instead of pk*t.
2020-03-13 15:25:39 +00:00
..
.gitignore
aes.c Fix usage of randomized number in AES 2020-01-21 12:01:42 +02:00
aesni.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
arc4.c Changed mbedtls_platform_memcpy back to memcpy for selftest and test functions 2019-10-30 14:07:04 +02:00
aria.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
asn1parse.c Merge remote-tracking branch 'public/pr/2877' into baremetal 2019-10-23 14:53:29 +01:00
asn1write.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
base64.c Changed every memcmp to SCA equivalent mbedtls_platform_memcmp 2019-10-03 13:14:33 +03:00
bignum.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
blowfish.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
camellia.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
ccm.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
certs.c Fixup certs.c: Remove redundant TinyCrypt guard 2019-09-04 16:19:49 +01:00
chacha20.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
chachapoly.c Replace memset() with mbedtls_platform_memset() 2019-10-22 10:03:07 +02:00
cipher_wrap.c Consistently use (type *) instead of (type*) for pointer conversion 2019-06-25 09:10:57 +01:00
cipher.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
cmac.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
CMakeLists.txt Add USE_TINYCRYPT build option to CMake files 2019-11-22 16:56:17 +00:00
ctr_drbg.c CTR_DRBG: support set_entropy_len() before seed() 2020-03-13 15:25:39 +00:00
debug.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
des.c Changed mbedtls_platform_memcpy back to memcpy for selftest and test functions 2019-10-30 14:07:04 +02:00
dhm.c Replace memset() with mbedtls_platform_memset() 2019-10-22 10:03:07 +02:00
ecdh.c Replace memset() with mbedtls_platform_memset() 2019-10-22 10:03:07 +02:00
ecdsa.c ECDSA: Fix side channel vulnerability 2020-03-13 15:25:39 +00:00
ecjpake.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
ecp_curves.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
ecp.c Replace memset() with mbedtls_platform_memset() 2019-10-22 10:03:07 +02:00
entropy_poll.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
entropy.c Update signature of mbedtls_platform_random_delay 2020-01-09 10:19:07 +02:00
error.c Fix mbedtls_strerror to work with all wanted codes 2020-01-09 14:22:32 +02:00
gcm.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
havege.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
hkdf.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
hmac_drbg.c HMAC_DRBG: support set_entropy_len() before seed() 2020-03-13 15:24:20 +00:00
Makefile Add Makefile option to exclude TinyCrypt files 2019-11-22 15:09:39 +00:00
md2.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
md4.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
md5.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
md.c Include platform.h in hmac_drbg.c and md.c 2019-11-25 17:32:28 +02:00
memory_buffer_alloc.c Replace memset() with mbedtls_platform_memset() 2019-10-22 10:03:07 +02:00
net_sockets.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
nist_kw.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
oid.c Changed every memcmp to SCA equivalent mbedtls_platform_memcmp 2019-10-03 13:14:33 +03:00
padlock.c Added include platform_util.h to padlock.c to fix compile with all defines variants 2019-10-30 14:07:04 +02:00
pem.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
pk.c Update signature of mbedtls_platform_random_delay 2020-01-09 10:19:07 +02:00
pkcs5.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
pkcs11.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
pkcs12.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
pkparse.c Return and propagate UECC_FAULT_DETECTED 2019-11-26 12:54:06 +01:00
pkwrite.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
platform_util.c Rename macro MBEDTLS_MAX_RAND_DELAY 2020-01-09 11:11:23 +02:00
platform.c
poly1305.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
ripemd160.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
rsa_internal.c
rsa.c Changed mbedtls_platform_memcpy back to memcpy for selftest and test functions 2019-10-30 14:07:04 +02:00
sha1.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
sha256.c Protect get/put on secret data on sha256-module 2020-01-08 10:45:51 +02:00
sha512.c Changed mbedtls_platform_memset/cpy/cmp in selftest functions back to original methods 2019-10-30 14:07:04 +02:00
ssl_cache.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
ssl_ciphersuites.c Fixup: Add missing TinyCrypt guards 2019-09-04 16:17:45 +01:00
ssl_cli.c Update signature of mbedtls_platform_random_delay 2020-01-09 10:19:07 +02:00
ssl_cookie.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
ssl_srv.c Update signature of mbedtls_platform_random_delay 2020-01-09 10:19:07 +02:00
ssl_ticket.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
ssl_tls.c Fix bug in record decompression 2020-03-09 17:39:04 +00:00
threading.c
timing.c
version_features.c Move MBEDTLS_CTR_DRBG_USE_128_BIT_KEY to the correct section 2020-03-13 15:22:14 +00:00
version.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
x509_create.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
x509_crl.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
x509_crt.c Update signature of mbedtls_platform_random_delay 2020-01-09 10:19:07 +02:00
x509_csr.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
x509.c Merge remote-tracking branch 'public/pr/2877' into baremetal 2019-10-23 14:53:29 +01:00
x509write_crt.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
x509write_csr.c Changed every memcpy to SCA equivalent mbedtls_platform_memcpy 2019-10-30 14:07:04 +02:00
xtea.c Changed mbedtls_platform_memcpy back to memcpy for selftest and test functions 2019-10-30 14:07:04 +02:00