OPENSSL_EC_NAMED_CURVE
if ((EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE) != 0)
EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
if ((EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE) != 0) {
group->asn1_flag = OPENSSL_EC_NAMED_CURVE;
param_enc = OPENSSL_EC_NAMED_CURVE;
if ((EC_GROUP_get_asn1_flag(group) & OPENSSL_EC_NAMED_CURVE) != 0)
NID_X9_62_prime256v1, OPENSSL_EC_NAMED_CURVE,
if (EC_GROUP_get_asn1_flag(group) != OPENSSL_EC_NAMED_CURVE) {
EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
EC_KEY_set_asn1_flag(key, OPENSSL_EC_NAMED_CURVE);
cfg.asn1_flag = OPENSSL_EC_NAMED_CURVE;
cfg.asn1_flag = OPENSSL_EC_NAMED_CURVE;
cfg.asn1_flag = OPENSSL_EC_NAMED_CURVE;
cfg.asn1_flag = OPENSSL_EC_NAMED_CURVE;
EC_GROUP_set_asn1_flag(eg, OPENSSL_EC_NAMED_CURVE);