+ /* used by EC_GROUP_set_curve_GFp and EC_GROUP_get_curve_GFp: */
+ int (*group_set_curve_GFp)(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
+ int (*group_get_curve_GFp)(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
+
+ /* used by EC_GROUP_set_generator, EC_GROUP_get0_generator,
+ * EC_GROUP_get_order, EC_GROUP_get_cofactor:
+ */