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Water Permeates and Plasticizes Amorphous Carbon Dots: Unraveling the Inner Accessibility of the Nanoparticles by Glass Transition Studies

open access: yesAdvanced Materials, EarlyView.
The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti   +8 more
wiley   +1 more source

Profiling Side-Channel Attacks on Dilithium: A Small Bit-Fiddling Leak Breaks It All

IACR Cryptology ePrint Archive, 2022
We present an end-to-end (equivalent) key recovery attack on the Dilithium lattice-based signature scheme, one of the winners of the NIST postquantum cryptography competition. The attack is based on a small side-channel leakage we identified in a bit unpacking procedure inside Dilithium signature generation.
Soundes Marzougui   +3 more
semanticscholar   +2 more sources

Hertzbleed: Turning Power Side-Channel Attacks Into Remote Timing Attacks on x86

IEEE Micro, 2023
Power side-channel attacks exploit data-dependent variations in a CPU’s power consumption to leak secrets. In this article, we show that on modern CPUs, power side-channel attacks can be turned into timing attacks that can be mounted without access to ...
Yingchen Wang   +5 more
semanticscholar   +1 more source

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