diff options
| author | Pascal Cuoq <cuoq@trust-in-soft.com> | 2015-05-06 11:31:27 +0200 |
|---|---|---|
| committer | Kurt Roeckx <kurt@roeckx.be> | 2015-10-07 20:41:15 +0200 |
| commit | 11ca27c912888460a7a06b9308fd85170e1db194 (patch) | |
| tree | ab0d2369e581e29b14d81466e28124520f9f78fb /crypto | |
| parent | a0ba92ccde949582e498cb42bced205ec1c95a3c (diff) | |
Set flags to 0 before calling BN_with_flags()
BN_with_flags() will read the dest->flags to keep the BN_FLG_MALLOCED but
overwrites everything else.
Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Rich Salz <rsalz@openssl.org>
MR #1231
(cherry picked from commit f92768e6f5259069bd21dbed2b98b3423c1dfca4)
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/bn/bn_gcd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/bn/bn_gcd.c b/crypto/bn/bn_gcd.c index 97c55ab720..ce59fe701f 100644 --- a/crypto/bn/bn_gcd.c +++ b/crypto/bn/bn_gcd.c @@ -583,6 +583,7 @@ static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in, * BN_div_no_branch will be called eventually. */ pB = &local_B; + local_B.flags = 0; BN_with_flags(pB, B, BN_FLG_CONSTTIME); if (!BN_nnmod(B, pB, A, ctx)) goto err; @@ -610,6 +611,7 @@ static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in, * BN_div_no_branch will be called eventually. */ pA = &local_A; + local_A.flags = 0; BN_with_flags(pA, A, BN_FLG_CONSTTIME); /* (D, M) := (A/B, A%B) ... */ |