Secret-free security: A survey and tutorial

U Rührmair - Journal of Cryptographic Engineering, 2022 - Springer
Abstract “Classical keys,” ie, secret keys stored permanently in digital form in nonvolatile
memory, appear indispensable in modern computer security—but also constitute an obvious …

Security based on physical unclonability and disorder

U Rührmair, S Devadas, F Koushanfar - Introduction to Hardware Security …, 2011 - Springer
Identification, authentication, and integrity checking are important tasks for ensuring the
security and protection of valuable objects, devices, programs, and data. The utilization of …

PrinTracker: Fingerprinting 3D printers using commodity scanners

Z Li, AS Rathore, C Song, S Wei, Y Wang… - Proceedings of the 2018 …, 2018 - dl.acm.org
As 3D printing technology begins to outpace traditional manufacturing, malicious users
increasingly have sought to leverage this widely accessible platform to produce unlawful …

Scantegrity II: End-to-end verifiability by voters of optical scan elections through confirmation codes

D Chaum, RT Carback, J Clark, A Essex… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
Scantegrity II is an enhancement for existing paper ballot systems. It allows voters to verify
election integrity-from their selections on the ballot all the way to the final tally-by noting …

Optical pufs reloaded

U Rührmair, C Hilgers, S Urban… - Cryptology ePrint …, 2013 - eprint.iacr.org
We revisit optical physical unclonable functions (PUFs), which were proposed by Pappu et
al. in their seminal first publication on PUFs [40, 41]. The first part of the paper treats non …

CDs have fingerprints too

G Hammouri, A Dana, B Sunar - International Workshop on Cryptographic …, 2009 - Springer
We introduce a new technique for extracting unique fingerprints from identical CDs. The
proposed technique takes advantage of manufacturing variability found in the length of the …