SSL3_ST_CW_KEY_EXCH_A

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) nothrow @nogc
enum SSL3_ST_CW_KEY_EXCH_A = 0x0180 | libressl_d.openssl.ssl.SSL_ST_CONNECT;

Meta