User's Manual

24 | About the Radio
Aprisa SR User Manual
Security
The Aprisa SR provides security features to implement the key recommendations for industrial control
systems. The security provided builds upon the best in class from multiple standards bodies, including:
IEC/TR 62443 (TC65) ‘Industrial Communications Networks – Network and System Security’
IEC/TS 62351 (TC57) ‘Power System Control and Associated Communications – Data and
Communication Security’
The security features implemented are:
Data encryption
Counter Mode Encryption (CTR) using Advanced Encryption Standard (AES)
Data authentication
Cipher Block Chaining Message Authentication Code (CBC-MAC) using Advanced Encryption
Standard (AES)
Data payload security
CCM Counter with CBC-MAC integrity (NIST special publication 800-38C)
Secured management interface protects configuration
Address filtering enables traffic source authorization
Proprietary physical layer protocol and modified MAC layer protocol based on standardized IEEE
802.15.4
Licensed radio spectrum protects against interference