Results 31 to 40 of about 715 (171)

Sensitivity of the Threshold Current for Switching of a Magnetic Tunnel Junction to Fabrication Defects and Its Application in Physical Unclonable Functions

Applied Sciences
A physical unclonable function (PUF) leverages the unclonable random variations in device behavior due to defects incurred during manufacturing to produce a unique “biometric” that can be used for authentication.
Jacob Huber, Rahnuma Rahman, Supriyo Bandyopadhyay   +2 more
doaj   +1 more source

Ultra-Lightweight and Reconfigurable Tristate Inverter Based Physical Unclonable Function Design

IEEE Access, 2018
A physical unclonable function (PUF) is a promising security primitive which utilizes the manufacturing process variations to generate a unique unclonable digital fingerprint for a chip.
Yijun Cui, Chongyan Gu, Chenghua Wang, Maire O'Neill, Weiqiang Liu   +4 more
doaj   +1 more source

Quality of Security Guarantees for and with Physical Unclonable Functions and Biometric Secrecy Systems

Entropy, 2023
Unique digital circuit outputs, considered as physical unclonable function (PUF) circuit outputs, can facilitate a secure and reliable secret key agreement.
Onur Günlü, Rafael F. Schaefer, H. Vincent Poor   +2 more
doaj   +1 more source

A Programmable Multi‑Modal Information Encryption System Based on the Dynamic Wetting Behavior of Liquid Metal

Advanced Science, EarlyView.
This work presents a programmable multimodal information encryption device that harnesses the dynamic wetting behavior of liquid metal to achieve secure, reconfigurable, and high‐precision encryption and decryption of diverse data types, including text and images.
Xuedong Qiang, Min Mao, Yihao Wang, Nan Li, Mengyu Jiang, Chenkun Sun, Bangdeng Du, Jifei Ye, Linyan Wang, Fei Zhan, Lei Wang   +10 more
wiley   +1 more source

An Optical-Fiber-Based Key for Remote Authentication of Users and Optical Fiber Lines

Sensors, 2023
We have shown the opportunity to use the unique inhomogeneities of the internal structure of an optical fiber waveguide for remote authentication of users or an optic fiber line.
Alexander Smirnov, Mikhail Yarovikov, Ekaterina Zhdanova, Alexander Gutor, Mikhail Vyatkin   +4 more
doaj   +1 more source

Femtosecond‐Laser‐Induced Physical Unclonable Random Maze Structure for Storage‐Free Encryption

Advanced Science, EarlyView.
Femtosecond‐laser‐induced gold random maze structures serve as multimodal physical unclonable functions for storage‐free encryption. Their stochastic optical, electrical, and Raman responses are generated by plasmon‐assisted Marangoni formation and converted into AES‐compatible keys without permanent secret‐key storage, offering a portable route toward
Shiru Jiang, Hongliang Li, Shengjie Ma, Sang‐Shin Lee, Lei Wang, Mengyun Hu, Heping Zeng   +6 more
wiley   +1 more source

Bioinspired and Sustainable Physical Unclonable Functions with Antibacterial Microstructures

Advanced Intelligent Systems
This study develops an eco‐friendly physical unclonable function (PUF) that integrates water and environmentally sustainable materials through a streamlined fabrication process, drawing inspiration from natural self‐assembly mechanisms.
Sora Han, Kitae Kim, Baeksang Sung, Jooho Lee, Hyunjun Jang, Yong Hyun Kim, Jae-Hyun Lee, Jun-Hee Na, Jonghee Lee   +8 more
doaj   +1 more source

Hierarchical Multi‐Mode Computing in Interlayer‐Coupled 3D RRAM Crossbar Arrays

Advanced Science, EarlyView.
2‐deck RRAM crossbar array provides a versatile hardware platform for multifunctional in‐memory computing. Stacked, series, and entropy node configurations enable multi‐layer conductance modulation, logic‐in‐memory operation, genetic learning, and reconfigurable physical unclonable functions.
Seungman Park, Jaewoo Choi, Gigon Nam, Junsu Yu, Donghyun Ryu, Jung‐Kyu Lee, Sungjoon Kim, Sungjun Kim   +7 more
wiley   +1 more source

Leveraging Distributions in Physical Unclonable Functions

Cryptography, 2017
A special class of Physical Unclonable Functions (PUFs) referred to as strong PUFs can be used in novel hardware-based authentication protocols. Strong PUFs are required for authentication because the bit strings and helper data are transmitted openly by
Wenjie Che, Venkata K. Kajuluri, Fareena Saqib, Jim Plusquellic   +3 more
doaj   +1 more source

Voltage‐Reconfigurable Magneto‐Ionic Nanolayers in Dot Arrays for Probabilistic, Materials‐Engineered Security Primitives

Advanced Science, EarlyView.
A magneto‐ionic security‐by‐materials‐design strategy exploits voltage‐driven N3– migration in selectively contacted FeCoN dots, creating reconfigurable sub‐15 nm ferromagnetic sublayers with deterministic and/or probabilistic (single‐domain↔vortex) states, voltage‐tunable probabilities and fully stochastic orientation/chirality.
Irena Spasojevic, Federica Celegato, Alessandro Magni, Paola Tiberto, Jordi Sort   +4 more
wiley   +1 more source