Results 71 to 80 of about 180,085 (154)

A Hierarchical Authorization Reversible Data Hiding in Encrypted Image Based on Secret Sharing

Mathematics
In the current distributed environment, reversible data hiding in encrypted domain (RDH-ED) cannot grant corresponding privileges according to users’ identity classes.
Chao Jiang, Minqing Zhang, Yongjun Kong, Zongbao Jiang, Fuqiang Di   +4 more
doaj   +1 more source

A Secure Data Sharing Model Utilizing Attribute-Based Signcryption in Blockchain Technology

Sensors
With the rapid development of the Internet of Things (IoT), the scope of personal data sharing has significantly increased, enhancing convenience in daily life and optimizing resource management.
Chaoyue Song, Lifeng Chen, Xuguang Wu, Yu Li   +3 more
doaj   +1 more source

Group theory in cryptography [PDF]

, 2010
This paper is a guide for the pure mathematician who would like to know more about cryptography based on group theory. The paper gives a brief overview of the subject, and provides pointers to good textbooks, key research papers and recent survey papers ...
Blackburn, Simon R., Cid, Carlos, Mullan, Ciaran   +2 more
core  

Survey of privacy-preserving data aggregation schemes in smart grid

Journal of King Saud University: Computer and Information Sciences
With the rapid advancement of technology, smart grid are increasingly replacing traditional grids. Smart grid offer efficient data management and analysis tools that significantly benefit users, but they also introduce new privacy challenges.
Yiliang Han, Yuanyuan Wang, Liqiang Wu, Haokang Feng, Xuguang Wu, Ruifeng Li   +5 more
doaj   +1 more source

ACOFuzz: An ant colony algorithm-based fuzzer for smart contracts

Blockchain: Research and Applications
In today's blockchain landscape, smart contracts are assuming a pivotal role, albeit accompanied by a heightened risk of exploitation by attackers. As smart contracts grow in complexity, vulnerabilities lurking within deeper layers of code become more ...
Peixuan Feng, Wenrui Cao, Siqi Lu, Yongjuan Wang, Haoyuan Xue, Runnan Yang   +5 more
doaj   +1 more source

GAN-based pseudo random number generation optimized through genetic algorithms

Complex & Intelligent Systems
Pseudo-random number generators (PRNGs) are deterministic algorithms that generate sequences of numbers approximating the properties of random numbers, which are widely utilized in various fields.
Xuguang Wu, Yiliang Han, Minqing Zhang, Yu Li, Su Cui   +4 more
doaj   +1 more source

Research on Dual-Emotion Feature Fusion and Performance Improvement in Rumor Detection

Applied Sciences
At present, a large number of rumors are mixed in with various kinds of news, such as current affairs, politics, social economy, and military activities, which seriously reduces the credibility of Internet information and hinders the positive development
Wen Jiang, Xiong Zhang, Facheng Yan, Kelan Ren, Bin Wei, Mingshu Zhang   +5 more
doaj   +1 more source

A Secure Authentication Protocol Supporting Efficient Handover for UAV

Mathematics
Unmanned Aerial Vehicles (UAVs) are increasingly pivotal in operations such as flood rescue, wildfire surveillance, and covert military endeavors, with their integration into the Internet of Things (IoT) networks broadening the scope of services they ...
Kang Wen, Shengbao Wang, Yixiao Wu, Jie Wang, Lidong Han, Qi Xie   +5 more
doaj   +1 more source

Motion vector‐domain video steganalysis exploiting skipped macroblocks

IET Image Processing
Video steganography has the potential to be used to convey illegal information, and video steganalysis is a vital tool to detect the presence of this illicit act.
Jun Li, Minqing Zhang, Ke Niu, Yingnan Zhang, Xiaoyuan Yang   +4 more
doaj   +1 more source

Sota Voce: Low-Noise Sampling of Sparse Fixed-Weight Vectors

Transactions on Cryptographic Hardware and Embedded Systems
Many post-quantum cryptosystems require generating an n-bit binary vector with a prescribed Hamming weight ω, a process known as fixed-weight sampling.
Décio Luiz Gazzoni Filho, Gora Adj, Slim Bettaieb, Alessandro Budroni, Jorge Chávez-Saab, Francisco Rodríguez-Henríquez   +5 more
doaj   +1 more source