diff options
Diffstat (limited to 'crypto/ec/ec_mult.c')
| -rw-r--r-- | crypto/ec/ec_mult.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/ec/ec_mult.c b/crypto/ec/ec_mult.c index 7e1b3650e76a9..0e0a5e1394aff 100644 --- a/crypto/ec/ec_mult.c +++ b/crypto/ec/ec_mult.c @@ -206,8 +206,8 @@ int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r, */ cardinality_bits = BN_num_bits(cardinality); group_top = bn_get_top(cardinality); - if ((bn_wexpand(k, group_top + 1) == NULL) - || (bn_wexpand(lambda, group_top + 1) == NULL)) { + if ((bn_wexpand(k, group_top + 2) == NULL) + || (bn_wexpand(lambda, group_top + 2) == NULL)) { ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB); goto err; } @@ -244,7 +244,7 @@ int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r, * k := scalar + 2*cardinality */ kbit = BN_is_bit_set(lambda, cardinality_bits); - BN_consttime_swap(kbit, k, lambda, group_top + 1); + BN_consttime_swap(kbit, k, lambda, group_top + 2); group_top = bn_get_top(group->field); if ((bn_wexpand(s->X, group_top) == NULL) |