Results 1 to 10 of about 222 (67)

Attacks Against White-Box ECDSA and Discussion of Countermeasures

open access: yesTransactions on Cryptographic Hardware and Embedded Systems, 2022
This paper deals with white-box implementations of the Elliptic Curve Digital Signature Algorithm (ECDSA): First, we consider attack paths to break such implementations.
Sven Bauer   +5 more
doaj   +3 more sources

ECDSA White-Box Implementations: Attacks and Designs from CHES 2021 Challenge

open access: yesTransactions on Cryptographic Hardware and Embedded Systems, 2022
Despite the growing demand for software implementations of ECDSA secure against attackers with full control of the execution environment, scientific literature on ECDSA white-box design is scarce. The CHES 2021 WhibOx contest was thus held to assess the
Guillaume Barbu   +8 more
doaj   +3 more sources

REISCH: Incorporating Lightweight and Reliable Algorithms into Healthcare Applications of WSNs

open access: yesApplied Sciences, 2020
Healthcare institutions require advanced technology to collect patients’ data accurately and continuously. The tradition technologies still suffer from two problems: performance and security efficiency.
Mishall Al-Zubaidie   +2 more
doaj   +1 more source

A dynamic key management and secure data transfer based on m-tree structure with multi-level security framework for Internet of vehicles

open access: yesConnection Science, 2022
Nowadays, broadband wireless networks and 5G have improvements in the quality and dependability of network services for high-speed mobile vehicles. Within an open communication environment on the Internet of vehicles named IoV, personal details will be ...
Hua Yi Lin, Meng-Yen Hsieh
doaj   +1 more source

An ECDSA Approach to Access Control in Knowledge Management Systems Using Blockchain

open access: yesInformation, 2020
Access control has become problematic in several organizations because of the difficulty in establishing security and preventing malicious users from mimicking roles.
Gabriel Nyame   +3 more
doaj   +1 more source

An Efficient Double Parameter Elliptic Curve Digital Signature Algorithm for Blockchain

open access: yesIEEE Access, 2021
The classic Elliptic curve digital Signature Algorithm (ECDSA) uses one inversion operation in the process of signature and verification, which greatly reduces the efficiency of digital signatures.
Shuang-Gen Liu, Wan-Qi Chen, Jia-Lu Liu
doaj   +1 more source

Speeding-Up Elliptic Curve Cryptography Algorithms

open access: yesMathematics, 2022
In recent decades there has been an increasing interest in Elliptic curve cryptography (ECC) and, especially, the Elliptic Curve Digital Signature Algorithm (ECDSA) in practice.
Diana Maimuţ, Alexandru Cristian Matei
doaj   +1 more source

Secure and efficient two-party ECDSA signature scheme

open access: yesTongxin xuebao, 2021
To solve the easy disclosure of signature private key and excessive concentration of signature rights, a secure and efficient two-party ECDSA signature scheme was proposed for the blockchain based network trading systems.By pre-computing one-time pad ...
Jing WANG, Libing WU, Min LUO, Debiao HE
doaj   +2 more sources

Cryptographic Considerations for Automation and SCADA Systems Using Trusted Platform Modules

open access: yesSensors, 2019
The increased number of cyber threats against the Supervisory Control and Data Acquisition (SCADA) and automation systems in the Industrial-Internet-of-Things (IIoT) and Industry 4.0 era has raised concerns in respect to the importance of securing ...
Alexandra Tidrea   +2 more
doaj   +1 more source

A Key Recovery Protocol for Multiparty Threshold ECDSA Schemes

open access: yesIEEE Access, 2022
Recently, threshold ECDSA schemes have received much attention from the security community, due to the need of efficient key management in the blockchain system.
Myungsun Kim   +5 more
doaj   +1 more source

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