Designing Physical Unclonable Functions From Optically Active Materials.
Sign Up to like & getrecommendations! Published in 2025 at "Advanced materials"
DOI: 10.1002/adma.202502059
Abstract: Physical unclonable functions (PUFs) are artificial “fingerprints” provided by physical devices to authenticate manufactured goods. Their inherent unclonable nature positions them as one of the most promising tools to tackle global counterfeiting challenges. Leveraging the… read more here.
Keywords: active materials; puf devices; unclonable functions; materials designing ... See more keywords
Femtosecond Laser‐Induced Recrystallized Nanotexturing for Identity Document Security With Physical Unclonable Functions
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Science"
DOI: 10.1002/advs.202411449
Abstract: Counterfeit identity (ID) documents pose a serious threat to personal credit and national security. As a promising candidate, optical physical unclonable functions (PUFs) offer a robust defense mechanism against counterfeits. Despite the innovations in chemically… read more here.
Keywords: laser; unclonable functions; induced recrystallized; laser induced ... See more keywords
Nanocatalyst-Enabled Physically Unclonable Functions as Smart Anticounterfeiting Tags with AI-Aided Smartphone Authentication.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c02995
Abstract: Counterfeiting is a worldwide issue affecting many industrial sectors, ranging from specialized technologies to retail market, such as fashion brands, pharmaceutical products, and consumer electronics. Counterfeiting is not only a huge economic burden (>$ 1… read more here.
Keywords: authentication; enabled physically; physically unclonable; smartphone ... See more keywords
Visually Hidden, Self-Assembled Porous Polymers for Optical Physically Unclonable Functions.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c18737
Abstract: Owing to the advancement of security technologies, several encryption methods have been proposed. Despite such efforts, forging artifices is financially and somatically becoming a constraint for individuals and society (e.g., imprinting replicas of luxury goods… read more here.
Keywords: physically unclonable; hidden self; self assembled; assembled porous ... See more keywords
Tunable Key-Size Physical Unclonable Functions Based on Phase Segregation in Mixed Halide Perovskites.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.3c02193
Abstract: Optical physical unclonable functions (PUFs) have been considered as an effective tool for anti-counterfeiting owing to the uncontrollable manufacturing process and excellent resistance to machine-learning attacks. However, most optical PUFs exhibit fixed challenge-response pairs and… read more here.
Keywords: phase segregation; tunable key; physical unclonable; unclonable functions ... See more keywords
Physical Unclonable Functions Employing Circularly Polarized Light Emission from Nematic Liquid Crystal Ordering Directed by Helical Nanofilaments.
Sign Up to like & getrecommendations! Published in 2024 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.3c17682
Abstract: This study proposes the use of physical unclonable functions employing circularly polarized light emission (CPLE) from nematic liquid crystal (NLC) ordering directed by helical nanofilaments in a mixed system composed of a calamitic NLC mixture… read more here.
Keywords: employing circularly; unclonable functions; functions employing; physical unclonable ... See more keywords
Physical Unclonable Functions Based on Photothermal Effect of Gold Nanoparticles.
Sign Up to like & getrecommendations! Published in 2024 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.3c18270
Abstract: Physical unclonable functions (PUFs) based on uncontrollable fabrication randomness are promising candidates for anticounterfeiting applications. Currently, the most popular optical PUFs are generally constructed from the scattering, fluorescent, or Raman phenomenon of nanomaterials. To further… read more here.
Keywords: unclonable functions; gold nanoparticles; physical unclonable; photothermal effect ... See more keywords
Template-Guided Nondeterministic Assembly of Organosilica Nanodots for Multifunctional Physical Unclonable Functions.
Sign Up to like & getrecommendations! Published in 2025 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.4c16881
Abstract: Optical physical unclonable functions (PUFs) are gaining attention as a robust security solution for identification in the expanding Internet of Things (IoT). To enhance the security and functionality of PUFs, integrating multiple optical responses─such as… read more here.
Keywords: template guided; unclonable functions; organosilica nanodots; assembly organosilica ... See more keywords
Chemical unclonable functions based on operable random DNA pools
Sign Up to like & getrecommendations! Published in 2024 at "Nature Communications"
DOI: 10.1038/s41467-024-47187-7
Abstract: Physical unclonable functions (PUFs) based on unique tokens generated by random manufacturing processes have been proposed as an alternative to mathematical one-way algorithms. However, these tokens are not distributable, which is a disadvantage for decentralized… read more here.
Keywords: unclonable functions; dna pools; cryptography; chemical unclonable ... See more keywords
Artificial fingerprints engraved through block-copolymers as nanoscale physical unclonable functions for authentication and identification
Sign Up to like & getrecommendations! Published in 2024 at "Nature Communications"
DOI: 10.1038/s41467-024-54492-8
Abstract: Besides causing financial losses and damage to the brand’s reputation, counterfeiting can threaten the health system and global security. In this context, physical unclonable functions (PUFs) have been proposed to overcome limitations of current anti-counterfeiting… read more here.
Keywords: unclonable functions; artificial fingerprints; identification; authentication identification ... See more keywords
Hardware assurance with silicon photonic physical unclonable functions
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-72922-x
Abstract: In the modern landscape of optical communication networks, ensuring robust security is increasingly critical, particularly for applications requiring seamless integration and minimal attack surfaces. Photonic Physical Unclonable Functions (PUFs) leverage the response from the photonic… read more here.
Keywords: unclonable functions; photonic physical; silicon photonic; pufs ... See more keywords