Results 11 to 20 of about 9,716 (240)

Dynamic Network Security Analysis Based on Bayesian Attack Graphs [PDF]

open access: yesJisuanji kexue, 2022
In order to overcome the difficulties that current attack graph model cannot reflect real-time network attack events,a method is proposed including a forward risk probability update algorithm and a forward-backward combined risk probability update ...
LI Jia-rui, LING Xiao-bo, LI Chen-xi, LI Zi-mu, YANG Jia-hai, ZHANG Lei, WU Cheng-nan
doaj   +1 more source

Shedding Light on Blind Spot of Backward Privacy in Dynamic Searchable Symmetric Encryption

open access: yesIEEE Access, 2023
Dynamic searchable symmetric encryption (DSSE) enables users to outsource their data while retaining the capability to search and update on the encrypted database. Although various DSSE schemes have been proposed to achieve higher efficiency and stronger
Hyundo Yoon   +5 more
doaj   +1 more source

A Dynamic Searchable Symmetric Encryption Scheme for Multiuser with Forward and Backward Security [PDF]

open access: yesSecurity and Communication Networks, 2020
Dynamic Searchable Symmetric Encryption for Multiuser (M-DSSE) is an advanced form of symmetric encryption. It extends the traditional symmetric encryption to support the operations of adding and deleting the encrypted data and allow an authenticated group of data users to retrieve their respective desired encrypted data in the dynamic database ...
Xi Zhang 0005, Ye Su 0001, Jing Qin 0002
openaire   +1 more source

A Blockchain-Based Authentication and Dynamic Group Key Agreement Protocol

open access: yesSensors, 2020
With the rapid development of mobile networks, there are more and more application scenarios that require group communication. For example, in mobile edge computing, group communication can be used to transmit messages to all group members with minimal ...
Zisang Xu   +5 more
doaj   +1 more source

Cryptanalysis of an Image Encryption Algorithm Based on Two-Dimensional Hyperchaotic Map

open access: yesEntropy, 2023
This paper analyzes the security of an image encryption algorithm based on a two-dimensional hyperchaotic map. This encryption algorithm generated chaotic sequences through a combination of two one-dimensional chaotic maps and used them as the ...
Qinmao Jiang, Simin Yu, Qianxue Wang
doaj   +1 more source

Drone Secure Communication Protocol for Future Sensitive Applications in Military Zone

open access: yesSensors, 2021
Unmanned Aerial Vehicle (UAV) plays a paramount role in various fields, such as military, aerospace, reconnaissance, agriculture, and many more. The development and implementation of these devices have become vital in terms of usability and reachability.
Yongho Ko   +5 more
doaj   +1 more source

On the Security of a Lightweight and Secure Access Authentication Scheme for Both UE and mMTC Devices in 5G Networks

open access: yesApplied Sciences, 2022
The Internet of Things (IoT) and 5G networks play important roles in the latest systems for managing and monitoring various types of data. These 5G based IoT environments collect various data in real-time using micro-sensors as IoT things devices and ...
Kisung Park, Youngho Park
doaj   +1 more source

Attribute-based revocable collaborative access control scheme

open access: yesTongxin xuebao, 2021
To solve the dynamic update of access rights in attribute-based collaborative access control, a novel scheme was proposed with the revocation of attribute, user and collaborative policy.A formal definition and a security model were presented, the group ...
Changgen PENG   +4 more
doaj   +2 more sources

Design of efficient anonymous identity authentication protocol for lightweight IoT devices

open access: yesTongxin xuebao, 2022
Aiming at the problem that complex security primitives in existing schemes were not suitable for resource-constrained IoT devices, a lightweight efficient anonymous identity authentication protocol for IoT devices was designed based on physical ...
Zhenyu WANG   +4 more
doaj   +2 more sources

A Note on an Improved Self-Healing Group Key Distribution Scheme

open access: yesSensors, 2015
In 2014, Chen et al. proposed a one-way hash self-healing group key distribution scheme for resource-constrained wireless networks in the journal of Sensors (14(14):24358-24380, doi: 10.3390/ s141224358).
Hua Guo   +3 more
doaj   +1 more source

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