TLS_T_SRV
type == TLS_T_SRV ? "Server" :
TLS_S_CERT_EX, srv ? TLS_T_SRV : TLS_T_CLT);
TLS_S_KEY_EX, srv ? TLS_T_SRV : TLS_T_CLT);
TLS_S_CERT2_EX, srv ? TLS_T_SRV : TLS_T_CLT);
TLS_S_KEY2_EX, srv ? TLS_T_SRV : TLS_T_CLT);