WAVE Study Group Introduction July 2003 doc.: IEEE 802.11-02/476r0 January 2004 WAVE Study Group Introduction Anonymous MAC Address Daniel Jiang, DaimlerChrysler Tim Godfrey, Intersil; Broady Cash, ARINC

July 2003 doc.: IEEE 802.11-02/476r0 January 2004 Background Vehicle safety is a key application category for the DSRC spectrum. We are reaching the limit of passive safety systems WAVE enables and enhances proactive and preventive safety systems Cooperative vehicle status and sensor information sharing is essential for such vehicle safety applications. True for both vehicle-infrastructure and vehicle-vehicle scenarios Such information (e.g. vehicle velocity) will necessarily be open for all to hear ASTM was formerly “American Society For Testing and Materials”, now renamed to simply “ASTM International” Daniel Jiang, DaimlerChrysler Tim Godfrey, Intersil; Broady Cash, ARINC

Anonymity Requirement January 2004 Anonymity Requirement Permanent and unique MAC addresses of WAVE radios makes it easy to use such information against the owners. In general, the communication stack should not in itself reveal the identity of the car and by extension, the driver. Daniel Jiang, DaimlerChrysler

January 2004 Anonymous MAC Address MAC address of the WAVE radio therefore is required to support randomized MAC address Other security and privacy related issues are studied in ongoing and upcoming security projects Daniel Jiang, DaimlerChrysler