Ferns Presentation

FERNS Fingerprint Extraction and Random Numbers from SRAM Dan Holcomb Wayne Burleson Kevin Fu

Motivation ,[object Object],[object Object],[object Object],[object Object]

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RFID Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RFID Circuits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Approaches to Identification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Su et al. – UWash ISSCC07

Approaches to Random Number Generation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Relation between ID and TRNG ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fingerprint Extraction and Random Numbers from SRAM (FERNS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Principles of Operation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ID Platform 1: 5120 Virtual Tags ,[object Object],[object Object],[object Object],[object Object],[object Object]

ID Platform 2: Ultra-Low-Power Microcontrollers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],*Intel Research Seattle

Fingerprint Identification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SRAM Chip ID - successful ,[object Object],WISP DE2

Comparing FERNS to other Chip ID ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Generating True Randomness ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],a single 128 bit random number These numbers indicate passing basic NIST tests

Comparing FERNS to TRNG of Tokunaga et al. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other TRNG approaches? Security Seminar Sept. 30 2008 -XKCD

Lower temperature to break TRNG? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Change temperature to break ID? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Attack by controlling supply? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Size of box represents noise margin of each state Superimposed VTC of the two cross coupled inverters (at 2 different supplies) Only “0” state is stable at Vdd = 100mV

Attack by NBTI ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],*Burn-in: “turn on chip, write in 0, bury DE2 in laundry so that it gets hot, and then go party for 1.7E5 seconds”

Future Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],? ?

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