Results 21 to 30 of about 6,070,363 (249)

DFT and TD-DFT studies for optoelectronic properties of coumarin based donor-π-acceptor (D-π-A) dyes: applications in dye-sensitized solar cells (DSSCS)

open access: yesHeliyon, 2021
A series of six coumarin based dye derivatives were investigated and their geometry and optoelectronic properties elucidated for suitability in dye-sensitized solar cells (DSSCs) using TD-DFT/B3LYP with 6-31G basis set.
Said A.H. Vuai   +2 more
doaj   +1 more source

Post-Quantum Cryptography in Satellite Internet: Applications and Reflections

open access: yes天地一体化信息网络
With the ongoing development of quantum computers, the security of satellite Internet faces significant challenges. This paper first introduced the basic concepts of satellite Internet and post-quantum cryptography, thoroughly analyzed the security needs
HUANG Boxue, GU Xin, SHAN Chao, SU An
doaj   +2 more sources

Group Key Management in Internet of Things: A Systematic Literature Review

open access: yesIEEE Access, 2023
IoT networks are gaining popularity in terms of group networks built by sensor nodes and other IoT-related devices. The significance of cryptography protocols for secure communication among nodes in such networks cannot be overstated.
Fouzia Samiullah   +3 more
doaj   +1 more source

Fortifying the Blockchain: A Systematic Review and Classification of Post-Quantum Consensus Solutions for Enhanced Security and Resilience

open access: yesIEEE Access, 2023
The inherent security and computational demands of classical consensus protocols are often presumed impervious to various forms of attack. However, quantum computing advancements present considerable threats to the assumed attack resistance of classical ...
Jorao Gomes   +2 more
doaj   +1 more source

CUDA Quantum

open access: yes, 2023
<p>CUDA Quantum is now available <a href="https://pypi.org/project/cuda-quantum/">on PyPI</a>! For the initial PyPI release, the NVIDIA multi-gpu and tensornet backends are not yet included. Check out our Docker images <a href="https:
The CUDA Quantum development team
core   +1 more source

O2MD²: A New Post-Quantum Cryptosystem With One-to-Many Distributed Key Management Based on Prime Modulo Double Encapsulation

open access: yesIEEE Access, 2021
Polynomial-time attacks designed to run on quantum computers and capable of breaking RSA and AES are already known. It is imperative to develop quantum-resistant algorithms before quantum computers become available.
Ricardo Neftali Pontaza Rodas   +3 more
doaj   +1 more source

Post-Quantum Blockchain-Based Secure Service Orchestration in Multi-Cloud Networks

open access: yesIEEE Access, 2022
Existing network service provisioning and lifecycle management (LCM) workflows rely on heterogeneous devices from multiple vendors and collaboration between multiple network actors, which can lead to numerous trust management and interoperability issues.
Engin Zeydan   +2 more
doaj   +1 more source

Post-Quantum Logic Locking

open access: yes, 2022
The obfuscation of a combinational logic circuit using logic locking is similar to symmetric cryptography and can be expressed in terms of a quantified Boolean function.
Alexander Zeh (12843250)   +1 more
core   +1 more source

A Secure Cryptocurrency Scheme Based on Post-Quantum Blockchain

open access: yesIEEE Access, 2018
Nowadays, blockchain has become one of the most cutting-edge technologies, which has been widely concerned and researched. However, the quantum computing attack seriously threatens the security of blockchain, and related research is still less. Targeting
Yu-Long Gao   +5 more
doaj   +1 more source

Haraka v2 – Efficient Short-Input Hashing for Post-Quantum Applications

open access: yesIACR Transactions on Symmetric Cryptology, 2017
Recently, many efficient cryptographic hash function design strategies have been explored, not least because of the SHA-3 competition. These designs are, almost exclusively, geared towards high performance on long inputs.
Stefan Kölbl   +3 more
doaj   +1 more source

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