zero knowledge proof
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The cutting-edge technology, namely Cloud of Things (CoT) has shaped the existing business process into a new orientation in terms of performance, usability, and reliability. Among different business processes, online education is one of the prime areas where CoT can be used to make it more agile in the context of performance and usability. In this endeavor, a novel methodology has been proposed for an online higher education framework based on CoT. The proposed framework is made agile using Service Oriented Architecture (SOA). Furthermore, in order to make the proposed framework more reliable, a Zero Knowledge Proof (ZKPF) system has been introduced here. The proposed ZKPF algorithm is based on the Hadamard matrix. Experimental results have shown to lay bare the effectiveness of the proposed algorithms.


2022 ◽  
Vol 147 ◽  
pp. 107693
Author(s):  
Xiao-Jun Wen ◽  
Yong-Zhi Chen ◽  
Xin-Can Fan ◽  
Wei Zhang ◽  
Zheng-Zhong Yi ◽  
...  

2021 ◽  
Author(s):  
Patrick Biel ◽  
Shiquan Zhang ◽  
Hans-Arno Jacobsen

2021 ◽  
pp. 104858
Author(s):  
Léo Robert ◽  
Daiki Miyahara ◽  
Pascal Lafourcade ◽  
Luc Libralesso ◽  
Takaaki Mizuki

Author(s):  
Madhav Agal ◽  
K P Kishan ◽  
R Shashidhar ◽  
Srivatsa S Vantmuri ◽  
Prasad Honnavalli

2021 ◽  
Author(s):  
Gholamreza Ramezan ◽  
Amr Abdelnasser ◽  
Bingyang Liu ◽  
Weiyu Jiang ◽  
Fei Yang

2021 ◽  
Vol 2021 ◽  
pp. 1-15
Author(s):  
Xudong Deng ◽  
Chengliang Tian ◽  
Fei Chen ◽  
Hequn Xian

Most of the existing identity management is the centralized architecture that has to validate, certify, and manage identity in a centralized approach by trusted authorities. Decentralized identity is causing widespread public concern because it enables to give back control of identity to clients, and the client then has the ability to control when, where, and with whom they share their credentials. A decentralized solution atop on blockchain will bypass the centralized architecture and address the single point of the failure problem. To our knowledge, blockchain is an inherited pseudonym but it cannot achieve anonymity and auditability directly. In this paper, we approach the problem of decentralized identity management starting from the designated-verifier anonymous credential (DVAC in short). DVAC would assist to build a new practical decentralized identity management with anonymity and auditability. Apart from the advantages of the conventional anonymous credential, the main advantage of the proposed DVAC atop blockchain is that the issued cryptographic token will be divided into shares at the issue phase and will be combined at the showing credential phase. Further, the smooth projective hash function ( SPHF in short) is regarded as a designated-verifier zero-knowledge proof system. Thus, we introduce the SPHF to achieve the designated verifiability without compromising the privacy of clients. Finally, the security of the proposed DVAC is proved along with theoretical and experimental evaluations.


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