Results 1 to 10 of about 40,310,228 (215)

Kleptographic Attacks on ECDSA

Безопасность информационных технологий, 2014
This paper presents secretly trapdoor with universal protection (SETUP) attacks on the elliptic curve digital signature algorithm ECDSA. It allows a malicious manufacturer of black-box cryptosystems to implement these attacks to get access to user’s ...
Nadezhda Anatolievna Chepick, Michael Aleksandrovich Ivanov   +1 more
doaj  

Blockchain-Based Framework for Enhancing Interoperability and Security in EHR Exchange Using Lightweight ECC Proxy Re-Encryption

Acta Informatica Pragensia
Background: The sharing of electronic health records among hospitals is crucial for ensuring consistent patient treatment. However, the process remains challenging due to the existence of varied systems, privacy concerns and interoperability issues.
Devaramane Yogaraj Ashwini, Reval Prabhu Puneeth   +1 more
doaj   +1 more source

Atomic cross-chain swap based on private key exchange

Cybersecurity
Atomic Cross-Chain Swap (ACCS) is one important topic in cryptocurrency, where users can securely and trustlessly exchange assets between two different blockchains.
Zeshuo Zhu, Rui Zhang, Yang Tao
doaj   +1 more source

Unlinkable Coin Mixing Scheme for Transaction Privacy Enhancement of Bitcoin

IEEE Access, 2018
Bitcoin combines a peer-to-peer network and cryptographic algorithm to implement a distributed digital currency system, which keeps all transaction history on a public blockchain.
Yi Liu, Xingtong Liu, Chaojing Tang, Jian Wang, Lei Zhang   +4 more
doaj   +1 more source

Constructing a Secure Charity NFT Auction Platform Using Fisco Bcos Blockchain for Enhancing Transparency and Traceability

IEEE Access
In the charity sector, fundraising and transparency have long been key issues. Charity NFT (Non-Fungible Token) auctions, an emerging charity fundraising model integrating blockchain and NFT concepts, bring opportunities and challenges.
Chin-Ling Chen, Wan-Bing Zhan, Woei-Jiunn Tsaur, Der-Chen Huang, Ling-Chun Liu   +4 more
doaj   +1 more source

Elliptic-Curve Cryptography Implementation on RISC-V Processors for Internet of Things Applications

Journal of Engineering
Elliptic-curve cryptography (ECC) is a popular technique of public-key cryptography used for secure communications in Internet of Things (IoT) applications.
Preethi Preethi, Mohammed Mujeer Ulla, G. Praveen Kumar Yadav, Kumar Sekhar Roy, Ruhul Amin Hazarika, Kuldeep Saxena K.   +5 more
doaj   +1 more source

TrustHealth-FL: Federated learning-based secure authentication and data integrity framework for healthcare applications

Cogent Engineering
The widespread integration of Internet of Things devices in modern healthcare systems has significantly increased the demand for secure and efficient mechanisms to safeguard sensitive medical information.
Ganesha Hegde, Radhakrishna Bhat
doaj   +1 more source

Advanced VLSI ECDSA design for real-time blockchain-based IoT system applications

Discover Electronics
This paper presents a VLSI implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA) optimized for real time security in blockchain based Internet of Things (IoT) systems. The proposed architecture integrates Programmable Cellular Automata
Zied Guitouni, Mohsen Machhout
doaj   +1 more source

A blockchain-based framework for drug security: Leveraging EdDSA to prevent counterfeiting

Array
Drug counterfeiting is one of the most serious public health problems in the world, reducing consumer trust and costing hundreds of billions of dollars annually.
Md Saifur Rahman, Nazmun Nahar, Md Hasan Imam, Mohammad Nuruzzaman Bhuyian, Md Auhidur Rahman, Mayeen Uddin Khandaker, Shams Forruque Ahmed   +6 more
doaj   +1 more source

Digital signature scheme with matrix-based approach

Desimal
The use of digital signatures in various electronic services such as e-transactions, e-commerce, and e-learning is necessary for today's humans. All types of these services are highly dependent on the privacy, integrity, and authenticity between the ...
Syafrul Irawadi, Hidayat Febiansyah, Maxrizal Maxrizal   +2 more
doaj   +1 more source