A system for multi-level authentication with physically unclonable functions

Physically Unclonable Functions;Hardware Security

Konigsmark, Sven Tenzing Choden ; Chen ; Deming ; Wong ; Martin D.F.

关键词: Physically Unclonable Functions;    Hardware Security;   

Others  :  https://www.ideals.illinois.edu/bitstream/handle/2142/46931/Sven_Konigsmark.pdf?sequence=1&isAllowed=y

美国|英语

来源: The Illinois Digital Environment for Access to Learning and Scholarship

【 摘 要 】

We analyze deficiencies in existing Physically Unclonable Function (PUF) systems and protocols, and propose a new system of PUFs (SoP) that is numerically secureunderextendedattackerprivilegesandattackscenarios.Ourproposed systemuses a multi-level authentication scheme and employs differentdesignsof PUFtoachievehighsecuritywithlowcomputationalcomplexityandsmall footprint. By employing role-specific PUF designs,SoP reduces the area over existing PUF-based authentication solutions by more than 68%.The key principles are: (i) reduce assumptions required to guarantee numerical security to a minimum set of practical assumptions; (ii) combine different PUF types to optimize security while minimizing resource requirements; (iii)providemultiple layers of authentication as a force-multiplier for the trusted party. This multi-level protocol resolves security deficiencies with regard to manin-the-middleattacksandchallenge-response-pair(CRP)storageissuesin conventionalPUF protocols.Furthermore, SoP allows recognition and sealing of securitybreaches.Amathematicalformulationoftheattackcomplexityand statistical evaluation based on simulated PUF data show thestrengthof this new protocol.