Halide perovskite memristors as flexible and reconfigurable physical unclonable functions

RA John, N Shah, SK Vishwanath, SE Ng… - Nature …, 2021 - nature.com
Abstract Physical Unclonable Functions (PUFs) address the inherent limitations of
conventional hardware security solutions in edge-computing devices. Despite impressive …

Revisiting silk: a lens-free optical physical unclonable function

MS Kim, GJ Lee, JW Leem, S Choi, YL Kim… - Nature …, 2022 - nature.com
For modern security, devices, individuals, and communications require unprecedentedly
unique identifiers and cryptographic keys. One emerging method for guaranteeing digital …

Highly trustworthy in-sensor cryptography for image encryption and authentication

B Shao, T Wan, F Liao, BJ Kim, J Chen, J Guo, S Ma… - ACS …, 2023 - ACS Publications
The prevailing transmission of image information over the Internet of Things demands
trustworthy cryptography for high security and privacy. State-of-the-art security modules are …

Graphene-based physically unclonable functions that are reconfigurable and resilient to machine learning attacks

A Dodda, S Subbulakshmi Radhakrishnan… - Nature …, 2021 - nature.com
Graphene has a range of properties that makes it suitable for building devices for the
Internet of Things. However, the deployment of such devices will also likely require the …

Edible unclonable functions

JW Leem, MS Kim, SH Choi, SR Kim, SW Kim… - Nature …, 2020 - nature.com
Counterfeit medicines are a fundamental security problem. Counterfeiting medication poses
a tremendous threat to patient safety, public health, and the economy in developed and less …

Voxelated opto-physically unclonable functions via irreplicable wrinkles

K Kim, SU Kim, MY Choi, MH Saeed, Y Kim… - Light: Science & …, 2023 - nature.com
The increased prevalence of the Internet of Things (IoT) and the integration of digital
technology into our daily lives have given rise to heightened security risks and the need for …

Organic light‐emitting physically unclonable functions

N Kayaci, R Ozdemir, M Kalay… - Advanced Functional …, 2022 - Wiley Online Library
The development of novel physically unclonable functions (PUFs) is of growing interest and
fluorescent organic semiconductors (f‐OSCs) offer unique advantages of structural …

Reconfigurable multilevel optical puf by spatiotemporally programmed crystallization of supersaturated solution

Y Kim, J Lim, JH Lim, E Hwang, H Lee… - Advanced …, 2023 - Wiley Online Library
Physical unclonable functions (PUFs) are emerging as an alternative to information security
by providing an advanced level of cryptographic keys with non‐replicable characteristics, yet …

Planar spin glass with topologically protected mazes in the liquid crystal targeting for reconfigurable micro security media

G Park, YS Choi, SJ Kwon, DK Yoon - Advanced Materials, 2023 - Wiley Online Library
The planar spin glass pattern is widely known for its inherent randomness, resulting from the
geometrical frustration. As such, developing physical unclonable functions (PUFs)—which …

Raman ink for steganography

Y Gu, C He, F Liu, J Ye - Advanced Optical Materials, 2021 - Wiley Online Library
Steganography, also known as “invisible” communication, refers to the technique of hiding
information into another medium such as video, audio, image, and text. Surface‐enhanced …