generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Change to mitigate branch prediction attacks

Browse Source 
Submitted by: Matthew D Wood
Reviewed by: Bodo Moeller
This commit is contained in:
Bodo Möller
2007-03-28 00:15:28 +00:00
parent b506821d43
commit bd31fb2145
16 changed files with 595 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
crypto/dsa/dsa_key.c
View File

@@ -107,7 +107,7 @@ static int dsa_builtin_keygen(DSA *dsa)
{
BN_init(&local_prk);
prk = &local_prk;
BN_with_flags(prk, priv_key, BN_FLG_EXP_CONSTTIME);
BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME);
}
else
prk = priv_key;

2
crypto/dsa/dsa_ossl.c
View File

@@ -238,7 +238,7 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp)
while (BN_is_zero(&k));
if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0)
{
BN_set_flags(&k, BN_FLG_EXP_CONSTTIME);
BN_set_flags(&k, BN_FLG_CONSTTIME);
}
if (dsa->flags & DSA_FLAG_CACHE_MONT_P)