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authorPascal Cuoq <cuoq@trust-in-soft.com>2015-05-06 11:31:27 +0200
committerKurt Roeckx <kurt@roeckx.be>2015-10-07 18:54:12 +0200
commitf92768e6f5259069bd21dbed2b98b3423c1dfca4 (patch)
tree4493b93cbf9a74cb2ef7a80f8a0a0891a78169d2 /crypto/bn/bn_gcd.c
parent68a166285102a7cf5dadee763243ae575c5cee77 (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
Diffstat (limited to 'crypto/bn/bn_gcd.c')
-rw-r--r--crypto/bn/bn_gcd.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/bn/bn_gcd.c b/crypto/bn/bn_gcd.c
index 17c6cf5ce3..02643190ef 100644
--- a/crypto/bn/bn_gcd.c
+++ b/crypto/bn/bn_gcd.c
@@ -599,6 +599,7 @@ 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;
@@ -626,6 +627,7 @@ 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) ... */