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Showing posts with the label cybersecurity

Tunable metamaterial enables on-chip optical encryption which hides, rewrites, and stores multilevel information using different light fields

https://www.eurekalert.org/news-releases/1105998 "coumarin-based metamaterial, dynamic control... text, watermarks, graphics invisible under white light/ revealed by specific UV... 60 second write/erase cycles without chemicals/ mechanical wear.... features small as 700 nm via 2-photon polymerization/ grayscale-gradient processing... independent optical channels as separate passwords for different data levels... contrast remains >3× after 20 write–erase loops, readable >10 days... banknotes, pharmaceuticals, ID chips with time-dependent codes... reconfigurable barcodes"

Orion encryption of AI practically/ efficiently operates directly on encrypted data without needing to decrypt it first, with profound implications

https://techxplore.com/news/2025-03-encryption-breakthrough-lays-groundwork-privacy.html "automatically/ seamlessly integrates PyTorch written deep learning models into efficient fully homomorphic encryption, overcoming computational overhead/ technical hurdles adapting neural networks them... allows clients' use without releasing their private data... optimizes how encrypted data structured, streamlines encryption-related processes, managing accumulated noise... enables computations on much larger networks, 2.38X faster, 139 million parameters (500X more)... easily deployable across industries" Related: AI provides reliable answers with less computational overhead https://www.eurekalert.org/news-releases/1081514

Smartphone utilizes 3D information encryption with dual-light-emitting materials

https://phys.org/news/2023-09-smartphone-3d-encryption-dual-light-emitting-materials.html "3D volumetric optical encryption, moldable and printable dual-light-emitting fluorescent–phosphorescence... viewing-angle-dependent encryption cube-type skeleton polymer composite filaments, employing standard smartphone camera and software... room-temperature multi-light-emitting multidimensional information encryption, enhanced capacity and security... wearable, patchable, and stretchable sensors and displays... high-security information encryption personal biodata protection"