SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, OnVerify);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
SSL_CTX_set_info_callback(ctx, StaticSSLInfoCallback);
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, OnVerify);
SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
SSL_CTX_set_info_callback(ctx, StaticSSLInfoCallback);