Results 11 to 20 of about 76 (59)

Certificateless Short Aggregate Signature Scheme for Mobile Devices

open access: yesIEEE Access, 2019
Today, data is exploding. A large amount of data needs to be processed in a timely and an efficient manner. Aggregate signatures are an efficient and secure way to handle large numbers of digital signatures. In an aggregate signature scheme, n signatures
Lunzhi Deng, Yixian Yang, Yuling Chen
doaj   +3 more sources

An Efficient Certificateless Aggregate Signature Scheme Without Pairings for Healthcare Wireless Sensor Network

open access: yesIEEE Access, 2019
Wireless sensor network (WSN) can be widely used in the field of health care since it has many advantages, such as low cost, high efficiency, low latency, and so on.
Hongzhen Du, Qiaoyan Wen, Shanshan Zhang
doaj   +3 more sources

Reattack of a certificateless aggregate signature scheme with constant pairing computations. [PDF]

open access: yesScientificWorldJournal, 2014
A new attack against a novel certificateless aggregate signature scheme with constant pairing computations is presented. To enhance security, a new certificateless signature scheme is proposed first. Then a new certificateless aggregate signature scheme with constant pairing computations based on the new certificateless signature scheme is presented ...
Tu H, He D, Huang B.
europepmc   +2 more sources

CLASRM: A Lightweight and Secure Certificateless Aggregate Signature Scheme with Revocation Mechanism for 5G‐Enabled Vehicular Networks

open access: yesWireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
The rapid deployment of 5G technology has further strengthened the large‐scale interconnection between sensing devices and systems and promoted the rapid development of smart cities and intelligent transportation systems. 5G‐enabled vehicular networks take advantage of cellular vehicle‐to‐everything (C‐V2X) technology to achieve the connection between ...
Zhihua Wang   +4 more
wiley   +1 more source

Cryptanalysis of an Efficient and Secure Certificateless Aggregate Signature‐Based Authentication Scheme for Vehicular Ad Hoc Networks

open access: yesSecurity and Communication Networks, Volume 2022, Issue 1, 2022., 2022
Vehicular ad hoc networks (VANETs) apply the Internet of Things technology to provide secure communication among the vehicles, thereby improving the safe driving of vehicles, the utilization of traffic resources, and the efficiency of information services.
Xiaodong Yang   +5 more
wiley   +1 more source

Cryptanalysis of a Certificateless Hybrid Signcryption Scheme and a Certificateless Encryption Scheme for Internet of Things

open access: yesSecurity and Communication Networks, Volume 2022, Issue 1, 2022., 2022
In wireless and mobile networks with limited storage and computing resources, certificateless cryptography has more advantages because of its low dependence on infrastructure and short security parameters. Recently, Gong et al. and Karati et al., respectively, proposed a new certificateless scheme in the Internet of Things environment, one of which is ...
Shan Shan, Jie Cui
wiley   +1 more source

[Retracted] A Mathematical Queuing Model Analysis Using Secure Data Authentication Framework for Modern Healthcare Applications

open access: yesJournal of Sensors, Volume 2022, Issue 1, 2022., 2022
Healthcare application is one of the most promising developments to provide on‐time demand services to the end users, vehicles, and other Road Side Units (RSUs) in the urban environment. In recent years, several application interfaces have been developed to connect, communicate, and share the required services from one source to another.
A. Samson Arun Raj   +8 more
wiley   +1 more source

Certificateless‐Based Anonymous Authentication and Aggregate Signature Scheme for Vehicular Ad Hoc Networks

open access: yesWireless Communications and Mobile Computing, Volume 2021, Issue 1, 2021., 2021
Development of Internet of Vehicles (IoV) has aroused extensive attention in recent years. The IoV requires an efficient communication mode when the application scenarios are complicated. To reduce the verifying time and cut the length of signature, certificateless aggregate signature (CL‐AS) is used to achieve improved performance in resource ...
Xin Ye   +5 more
wiley   +1 more source

An Improved and Privacy‐Preserving Mutual Authentication Scheme with Forward Secrecy in VANETs

open access: yesSecurity and Communication Networks, Volume 2021, Issue 1, 2021., 2021
Vehicular ad hoc network (VANETs) plays a major part in intelligent transportation to enhance traffic efficiency and safety. Security and privacy are the essential matters needed to be tackled due to the open communication channel. Most of the existing schemes only provide message authentication without identity authentication, especially the inability
Mengting Yao   +5 more
wiley   +1 more source

A Certificateless Pairing‐Free Authentication Scheme for Unmanned Aerial Vehicle Networks

open access: yesSecurity and Communication Networks, Volume 2021, Issue 1, 2021., 2021
In unmanned aerial vehicle networks (UAVNs), unmanned aerial vehicles with restricted computing and communication capabilities can perform tasks in collaborative manner. However, communications in UAVN confront many security issues, for example, malicious entities may launch impersonate attacks. In UAVN, the command center (CMC) needs to perform mutual
Jingyi Li   +6 more
wiley   +1 more source

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