diff options
Diffstat (limited to 'lib/libcrypto/ec/ec_mult.c')
| -rw-r--r-- | lib/libcrypto/ec/ec_mult.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/libcrypto/ec/ec_mult.c b/lib/libcrypto/ec/ec_mult.c index 603ba31b819..4dbc9311206 100644 --- a/lib/libcrypto/ec/ec_mult.c +++ b/lib/libcrypto/ec/ec_mult.c @@ -209,6 +209,17 @@ int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, EC_POINT ***val_sub = NULL; /* pointers to sub-arrays of 'val' */ int ret = 0; + if (group->meth != r->meth) + { + ECerr(EC_F_EC_POINTS_MUL, EC_R_INCOMPATIBLE_OBJECTS); + return 0; + } + + if ((scalar == NULL) && (num == 0)) + { + return EC_POINT_set_to_infinity(group, r); + } + if (scalar != NULL) { generator = EC_GROUP_get0_generator(group); |