S70

Security

• •Mutual three pass authentication (ISO/IEC DIS9798-2)
• •Data encryption on RF-channel with replay attack protection
• •Individual key set per sector (per application) to support multi-application with key hierarchy
• •Unique serial number for each device
• •Transport key protects access to EEPROM on chip delivery

Data Integrity

• •16 bits CRC per block
• •Parity bits for each byte
• •Bit count checking
• •Bit coding to distinguish between "1", "0", and no information
• •Channel monitoring (protocol sequence and bit stream analysis)