diff options
| author | Samuel Weiser <samuel.weiser@iaik.tugraz.at> | 2017-09-16 16:52:44 +0200 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2017-09-27 10:03:37 +0100 |
| commit | 9f9442918aeaed5dc2442d81ab8d29fe3e1fb906 (patch) | |
| tree | 45bb6e52ae0435875d321f20269a13846b11598d /crypto/bn/bn_lib.c | |
| parent | 3de81a5912041a70884cf4e52e7213f3b5dfa747 (diff) | |
BN_copy now propagates BN_FLG_CONSTTIME
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4377)
Diffstat (limited to 'crypto/bn/bn_lib.c')
| -rw-r--r-- | crypto/bn/bn_lib.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c index 99179232f4..f0a3bf1e3d 100644 --- a/crypto/bn/bn_lib.c +++ b/crypto/bn/bn_lib.c @@ -332,6 +332,9 @@ BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b) if (b->top > 0) memcpy(a->d, b->d, sizeof(b->d[0]) * b->top); + if (BN_get_flags(b, BN_FLG_CONSTTIME) != 0) + BN_set_flags(a, BN_FLG_CONSTTIME); + a->top = b->top; a->neg = b->neg; bn_check_top(a); |