OSSL_TLS_GROUP_ID_secp256k1
/* 21 */ { OSSL_TLS_GROUP_ID_secp256k1, 128, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
{ NID_secp256k1, OSSL_TLS_GROUP_ID_secp256k1 },