diff options
-rw-r--r-- | src/crypto/fipsmodule/ec/ec.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/crypto/fipsmodule/ec/ec.c b/src/crypto/fipsmodule/ec/ec.c index 616df162..e45a7e34 100644 --- a/src/crypto/fipsmodule/ec/ec.c +++ b/src/crypto/fipsmodule/ec/ec.c @@ -768,7 +768,13 @@ int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, if (!EC_POINT_is_on_curve(group, point, ctx)) { // In the event of an error, defend against the caller not checking the // return value by setting a known safe value: the base point. - EC_POINT_copy(point, EC_GROUP_get0_generator(group)); + const EC_POINT *generator = EC_GROUP_get0_generator(group); + // The generator can be missing if the caller is in the process of + // constructing an arbitrary group. In this, we give up and hope they're + // checking the return value. + if (generator) { + EC_POINT_copy(point, generator); + } OPENSSL_PUT_ERROR(EC, EC_R_POINT_IS_NOT_ON_CURVE); return 0; } |