from nx_secure_tls.h:1409
UINT _nx_secure_tls_ciphersuite_lookup(NX_SECURE_TLS_SESSION *tls_session,
UINT ciphersuite,
const NX_SECURE_TLS_CIPHERSUITE_INFO **info,
USHORT *ciphersuite_priority);
Implemented in nx_secure_tls_ciphersuite_lookup.c:76