618     const char *cof;  member
784     BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;  in char2_curve_test()  local
825         || !TEST_true(BN_hex2bn(&cof, test->cof))  in char2_curve_test()
826         || !TEST_true(EC_GROUP_set_generator(group, P, z, cof))  in char2_curve_test()
845         || !TEST_true(BN_hex2bn(&cof, test->cof))  in char2_curve_test()
846         || !TEST_true(EC_GROUP_set_generator(group, P, z, cof)))  in char2_curve_test()
926     BN_free(cof);  in char2_curve_test()
940     BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;  in char2_field_tests()  local
978         || !TEST_ptr(cof = BN_new())  in char2_field_tests()
1082     BN_free(cof);  in char2_field_tests()
2705     const BIGNUM *z = NULL, *cof = NULL, *priv1 = NULL;  in custom_params_test()  local
2764             || !TEST_ptr(cof = EC_GROUP_get0_cofactor(group))  in custom_params_test()
2785             || !TEST_true(EC_GROUP_set_generator(altgroup, G2, z, cof))  in custom_params_test()