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Proceedings ArticleDOI

Physical unclonable functions for device authentication and secret key generation

TLDR
This work presents PUF designs that exploit inherent delay characteristics of wires and transistors that differ from chip to chip, and describes how PUFs can enable low-cost authentication of individual ICs and generate volatile secret keys for cryptographic operations.
Abstract
Physical Unclonable Functions (PUFs) are innovative circuit primitives that extract secrets from physical characteristics of integrated circuits (ICs). We present PUF designs that exploit inherent delay characteristics of wires and transistors that differ from chip to chip, and describe how PUFs can enable low-cost authentication of individual ICs and generate volatile secret keys for cryptographic operations.

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Citations
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Journal ArticleDOI

Design of On-Chip Lightweight Sensors for Effective Detection of Recycled ICs

TL;DR: Two types of on-chip lightweight sensors are proposed to identify recycled ICs by measuring circuit usage time when used in the field, and the analysis of usage time stored in AF-based sensors shows that recycledICs, even used for a very short period, can be accurately identified.
Proceedings ArticleDOI

Low-power sub-threshold design of secure physical unclonable functions

TL;DR: This work optimize the PUF supply voltage for the minimum power-delay product and investigates the trade-offs on PUF uniqueness and reliability and demonstrates that such a design optimization does not compromise the security of PUFs regarding modeling attacks and side-channel analysis attacks.
Patent

Hardware device to physical structure binding and authentication

TL;DR: In this article, a cryptographic fingerprint unit was proposed to authenticate a binding of a hardware device and a physical structure. But the binding logic was coupled with an external PUF value associated with the physical structure, and the binding value represented the binding of the hardware device.
Proceedings ArticleDOI

Performance metrics and empirical results of a PUF cryptographic key generation ASIC

TL;DR: A PUF design with integrated error correction that is robust to various layout implementations and achieves excellent and consistent results in each of the following four areas: Randomness, Uniqueness, Bias and Stability is described.
Book ChapterDOI

MECCA: a robust low-overhead PUF using embedded memory array

TL;DR: A novel memory-cell based PUF is proposed, which performs authentication by exploiting the intrinsic process variations in read/write reliability of cells in static memories, and provides large choice of challenge-response pairs with high uniqueness and excellent reproducibility.
References
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Journal ArticleDOI

Physical one-way functions

TL;DR: The concept of fabrication complexity is introduced as a way of quantifying the difficulty of materially cloning physical systems with arbitrary internal states as primitives for physical analogs of cryptosystems.
Proceedings ArticleDOI

Silicon physical random functions

TL;DR: It is argued that a complex integrated circuit can be viewed as a silicon PUF and a technique to identify and authenticate individual integrated circuits (ICs) is described.

Tamper resistance: a cautionary note

TL;DR: It is concluded that trusting tamper resistance is problematic; smartcards are broken routinely, and even a device that was described by a government signals agency as 'the most secure processor generally available' turns out to be vulnerable.
Journal ArticleDOI

Extracting secret keys from integrated circuits

TL;DR: It is shown that arbiter-based PUFs are realizable and well suited to build key-cards that need to be resistant to physical attacks and to be identified securely and reliably over a practical range of environmental variations such as temperature and power supply voltage.
Journal ArticleDOI

Impact of die-to-die and within-die parameter fluctuations on the maximum clock frequency distribution for gigascale integration

TL;DR: In this paper, a model describing the maximum clock frequency distribution of a microprocessor is derived and compared with wafer sort data for a recent 0.25-/spl mu/m microprocessor.
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