SSL_CB_HANDSHAKE_START
cb(ussl, SSL_CB_HANDSHAKE_START, 1);
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },
{ SSL_CB_HANDSHAKE_START, NULL },