diff options
| author | Bodo Möller <bodo@openssl.org> | 2007-03-28 18:41:23 +0000 |
|---|---|---|
| committer | Bodo Möller <bodo@openssl.org> | 2007-03-28 18:41:23 +0000 |
| commit | b002265ee34d1f0310009c4266ca865253b1a844 (patch) | |
| tree | 17703aa296a37a438590d30b512b426dc99db5a5 /crypto/bn | |
| parent | bd31fb21454609b125ade1ad569ebcc2a2b9b73c (diff) | |
make BN_FLG_CONSTTIME semantics more fool-proof
Diffstat (limited to 'crypto/bn')
| -rw-r--r-- | crypto/bn/bn_div.c | 2 | ||||
| -rw-r--r-- | crypto/bn/bn_gcd.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c index 1fd0206e1d..9addaf158f 100644 --- a/crypto/bn/bn_div.c +++ b/crypto/bn/bn_div.c @@ -185,7 +185,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, BN_ULONG d0,d1; int num_n,div_n; - if (BN_get_flags(num, BN_FLG_CONSTTIME) != 0) + if ((BN_get_flags(num, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(divisor, BN_FLG_CONSTTIME) != 0)) { return BN_div_no_branch(dv, rm, num, divisor, ctx); } diff --git a/crypto/bn/bn_gcd.c b/crypto/bn/bn_gcd.c index 9787a65f94..5fb8090c52 100644 --- a/crypto/bn/bn_gcd.c +++ b/crypto/bn/bn_gcd.c @@ -210,7 +210,7 @@ BIGNUM *BN_mod_inverse(BIGNUM *in, BIGNUM *ret=NULL; int sign; - if (BN_get_flags(n, BN_FLG_CONSTTIME) != 0) + if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0) || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) { return BN_mod_inverse_no_branch(in, a, n, ctx); } |