Abstract
Entropy is a basic and important concept in information theory. It is also often used as a measure of the unpredictability of a cryptographic key in cryptography research areas. Ubiquitous computing (Ubi-comp) has emerged rapidly as an exciting new paradigm. In this special issue, we mainly selected and discussed papers related with ore theories based on the graph theory to solve computational problems on cryptography and security, practical technologies; applications and services for Ubi-comp including secure encryption techniques, identity and authentication; credential cloning attacks and countermeasures; switching generator with resistance against the algebraic and side channel attacks; entropy-based network anomaly detection; applied cryptography using chaos function, information hiding and watermark, secret sharing, message authentication, detection and modeling of cyber attacks with Petri Nets, and quantum flows for secret key distribution, etc.
Highlights
It is often used as a measure of the unpredictability of a cryptographic key in cryptography research areas
A detailed discussion of these issues includes applied cryptography and security concerns that cover amongst others, confidentiality, integrity, and availability including various application areas
These topics will comprehensively focus on the important aspects of entropy-based applied cryptography and enhanced security for
Summary
Topics in Ubi-comp include entropy-based applied cryptographic aspects, entropy-based hash functions, mathematical and algorithmic foundations of applied cryptography, advanced design and analysis of cryptographic algorithms, authentication and access control, privacy protection and trust computing, entropy-based network security issues, information hiding and digital forensics, security issues in cloud computing and mobile social networks. Researchers contribute with original research and review articles that present state-of-the-art research outcomes, practical results in entropy-based applied cryptographic models, and enhanced security system for Ubi-comp.
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