diff options
| -rw-r--r-- | crypto/bn/bn_lib.c | 3 | ||||
| -rw-r--r-- | crypto/bn/bn_mont.c | 2 |
2 files changed, 3 insertions, 2 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); diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c index 0985de2d82..975689432a 100644 --- a/crypto/bn/bn_mont.c +++ b/crypto/bn/bn_mont.c @@ -258,8 +258,6 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx) R = &(mont->RR); /* grab RR as a temp */ if (!BN_copy(&(mont->N), mod)) goto err; /* Set N */ - if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0) - BN_set_flags(&(mont->N), BN_FLG_CONSTTIME); mont->N.neg = 0; #ifdef MONT_WORD |