2 ms·
Original ETCS communication was unencrypted, but at least is already cryptographically authenticated between train and infrastructure. (Though since the authent
by iggldiggl 2y ago
Original ETCS communication was unencrypted, but at least is already cryptographically authenticated between train and infrastructure. (Though since the authentication is based on 3DES, it's no longer entirely bullet-proof.)
AFAIK however, the new ETCS baseline 4 has introduced specifications in preparation for a) switching away from GPRS to 5G-based communications (FRMCS) and b) introducing TLS-based encryption.