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3248071dc3
fragattacks/src/crypto
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Florent Daigniere 3248071dc3 OpenSSL: Use BN_clear_free instead of BN_free 
This changes OpenSSL calls to explicitly clear the bignum memory
allocations when freeing them. This adds an extra layer of security by
avoiding leaving potentially private keys into local memory after they
are not needed anymore. While some of these variables are not really
private (e.g., they are sent in clear anyway), the extra cost of
clearing them is not significant and it is simpler to just clear these
explicitly rather than review each possible code path to confirm where
this does not help.

Signed-off-by: Florent Daigniere <nextgens@freenetproject.org>
2014-07-24 19:28:39 +03:00
..
.gitignore Add rules for building src/crypto as a library 2009-12-05 22:03:46 +02:00
aes_i.h Add support for using 192-bit and 256-bit keys with AES-GCM 2012-09-09 13:30:51 +03:00
aes_wrap.h Move AES-CCM implementation into src/crypto 2012-09-09 18:07:19 +03:00
aes-cbc.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes-ccm.c AES-CCM: Use os_memcmp_const() for hash/password comparisons 2014-07-02 12:38:47 +03:00
aes-ctr.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes-eax.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes-encblock.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes-gcm.c AES-GCM: Use os_memcmp_const() for hash/password comparisons 2014-07-02 12:38:47 +03:00
aes-internal-dec.c Add support for using 192-bit and 256-bit keys with AES-GCM 2012-09-09 13:30:51 +03:00
aes-internal-enc.c Add support for using 192-bit and 256-bit keys with AES-GCM 2012-09-09 13:30:51 +03:00
aes-internal.c Add support for using 192-bit and 256-bit keys with AES-GCM 2012-09-09 13:30:51 +03:00
aes-omac1.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes-unwrap.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes-wrap.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
aes.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_cryptoapi.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_gnutls.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_internal-cipher.c Fix AES block size handling for internal cipher 2012-09-09 14:12:59 +03:00
crypto_internal-modexp.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_internal-rsa.c Add function for building RSA public key from n and e parameters 2014-05-19 23:27:30 +03:00
crypto_internal.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_libtomcrypt.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_none.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_nss.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
crypto_openssl.c OpenSSL: Use BN_clear_free instead of BN_free 2014-07-24 19:28:39 +03:00
crypto.h Add function for building RSA public key from n and e parameters 2014-05-19 23:27:30 +03:00
des_i.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
des-internal.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
dh_group5.c Add dh5_init_fixed() to allow fixed DH parameters to be used 2012-06-27 21:22:12 +03:00
dh_group5.h Add dh5_init_fixed() to allow fixed DH parameters to be used 2012-06-27 21:22:12 +03:00
dh_groups.c Use ARRAY_SIZE() macro 2013-10-26 17:49:05 +03:00
dh_groups.h Add Diffie-Hellman group definitions for MODP groups in RFC 5114 2013-01-12 17:51:54 +02:00
fips_prf_internal.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
fips_prf_openssl.c OpenSSL: Make fips186_2_prf() easier for static analyzers 2012-08-19 18:54:34 +03:00
Makefile Use internal FIPS 186-2 PRF if needed 2014-03-11 16:44:22 +02:00
md4-internal.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
md5_i.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
md5-internal.c Hide strict-aliasing warning with gcc 4.7 2012-11-11 20:29:20 +02:00
md5.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
md5.h FIPS: Remove md5-non-fips.c 2012-08-19 16:53:15 +03:00
milenage.c Milenage: Use os_memcmp_const() for hash/password comparisons 2014-07-02 12:38:47 +03:00
milenage.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
ms_funcs.c Fix MSCHAP UTF-8 to UCS-2 conversion for three-byte encoding 2014-02-15 12:06:35 +02:00
ms_funcs.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
random.c FIPS: Mix in OpenSSL RAND_bytes() into random_get_bytes() 2012-08-16 21:49:41 +03:00
random.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
rc4.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
sha1_i.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
sha1-internal.c Use internal FIPS 186-2 PRF if needed 2014-03-11 16:44:22 +02:00
sha1-pbkdf2.c Convert remaining SSID routines from char* to u8* 2012-08-07 16:07:25 +03:00
sha1-prf.c Move SHA1-based PRF function into a separate C file 2012-08-16 20:26:16 +03:00
sha1-tlsprf.c FIPS: Remove md5-non-fips.c 2012-08-19 16:53:15 +03:00
sha1-tprf.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
sha1.c Move SHA1-based PRF function into a separate C file 2012-08-16 20:26:16 +03:00
sha1.h Convert remaining SSID routines from char* to u8* 2012-08-07 16:07:25 +03:00
sha256_i.h Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
sha256-internal.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
sha256-prf.c SAE: Add support for ECC group 21 (521-bit random ECP group) 2013-01-12 17:51:53 +02:00
sha256-tlsprf.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
sha256.c OpenSSL: Implement SHA256 HMAC functions using HMAC API 2012-08-16 22:34:35 +03:00
sha256.h SAE: Add support for ECC group 21 (521-bit random ECP group) 2013-01-12 17:51:53 +02:00
tls_gnutls.c Declare wpa_debug_* variables in src/utils/wpa_debug.h 2013-12-31 19:29:52 +02:00
tls_internal.c TLS testing: Allow hostapd to be used as a TLS testing tool 2014-03-09 18:47:09 +02:00
tls_none.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
tls_nss.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
tls_openssl.c OpenSSL: Fix OCSP certificate debug print to use wpa_printf 2014-05-29 15:37:18 +03:00
tls_schannel.c Remove the GPL notification from files contributed by Jouni Malinen 2012-02-11 19:39:36 +02:00
tls.h TLS testing: Add new test cases for RSA-DHE primes 2014-03-16 12:43:49 +02:00