A Unified Security Perspective on Legally Fair Contract Signing Protocols

Maimut, Diana; Teşeleanu, George

doi:10.1007/978-3-030-12942-2_35

Cited by 3 publications

(2 citation statements)

References 16 publications

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“…Xiao et al proposed a new concurrent signature and applied it to contract signing agreements to solve the problem of ensuring the fairness of contract signing [32]. Maimuţ et al proposed a universal zero-knowledge co-signing agreement to solve the problem that there is no cornerstone for legal and fair contract signing [33]. Wang proposed an identity-based contract signing agreement based on bilinear pairings to solve two key issues of the practicality and efficiency of the contract signing agreement [34].…”

Section: Contract Signingmentioning

confidence: 99%

Delegate contract signing mechanism based on smart contract

Xiong

Hu²

2022

PLoS ONE

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In this paper, a delegate contract signing solution is proposed to eliminate the potential risk of contract fraud caused by information and interest asymmetry. By utilizing the functional properties of the Ethereum blockchain and smart contracts, a delegate contract signing mechanism is established. By running the mechanism, the delegate contract signing information is received and processed, and the information is broadcast to the blockchain network nodes. By designing the algorithms of "requesting contract signing", "successful contract signing" and "contract fraud dispute resolution", the delegate contract signing is realized. By proposing algorithms and their calling processes, the smart contracts are completed. Finally, the smart contracts based on the solution are tested and verified. The source code of the smart contracts has been published on GitHub.

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Section: Contract Signingmentioning

confidence: 99%

Delegate contract signing mechanism based on smart contract

Xiong

Hu²

2022

PLoS ONE

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“…Future work. In order to take advantage of our main protocol's characteristics, we suggest applying it for obtaining generic versions of digital signature schemes [12,16,17] and legally fair contract signing protocols [4,12]. More generally, our proposal could be useful for future works on cryptographic protocol design.…”

Section: Conclusion and Further Developmentmentioning

confidence: 99%

A Generic View on the Unified Zero-Knowledge Protocol and Its Applications

Maimut¹,

Teşeleanu

2020

Information Security Theory and Practice

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We present a generalization of Maurer's unified zero-knowledge (UZK) protocol, namely a unified generic zero-knowledge (UGZK) construction. We prove the security of our UGZK protocol and discuss special cases. Compared to UZK, the new protocol allows to prove knowledge of a vector of secrets instead of only one secret. We also provide the reader with a hash variant of UGZK and the corresponding security analysis. Last but not least, we extend Cogliani et al.'s lightweight authentication protocol by describing a new distributed unified authentication scheme suitable for wireless sensor networks and, more generally, the Internet of Things.

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Concurrent Signatures from a Variety of Keys

Teşeleanu

2021

Information Security and Cryptology

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A Unified Security Perspective on Legally Fair Contract Signing Protocols

Cited by 3 publications

References 16 publications

Delegate contract signing mechanism based on smart contract

Delegate contract signing mechanism based on smart contract

A Generic View on the Unified Zero-Knowledge Protocol and Its Applications

Concurrent Signatures from a Variety of Keys

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