One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems

The generation of encrypted channels between more than two users is complex, as it is necessary to share information about the key of each user. This problem has been partially solved through the secret sharing mechanism that makes it possible to divide a secret among several participants, so that t...

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Autores principales:	Stefano Galantucci, Donato Impedovo, Giuseppe Pirlo
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Secret sharing one time key cryptography secret splitting authentication multiple cryptography Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/0b583c532bc445e0b675ce9c17a48c9c
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spelling	oai:doaj.org-article:0b583c532bc445e0b675ce9c17a48c9c2021-11-18T00:10:58ZOne Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems2169-353610.1109/ACCESS.2021.3124637https://doaj.org/article/0b583c532bc445e0b675ce9c17a48c9c2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9597553/https://doaj.org/toc/2169-3536The generation of encrypted channels between more than two users is complex, as it is necessary to share information about the key of each user. This problem has been partially solved through the secret sharing mechanism that makes it possible to divide a secret among several participants, so that the secret can be reconstructed by a well-defined part of them. The proposed system represents an extension of this mechanism, since it is designed to be applied systematically: each user has his/her key, through which temporary keys (One Time User Keys) are generated and are used to divide the secret, corresponding to the real encryption key. The system also overcomes the concept of numerical threshold (i.e., at least n participants are required to reconstruct the secret), allowing the definition, for each encryption, of which users can access and which specific groups of users can access. The proposed model can be applied both in distributed user-based contexts and as an extension of cryptographic functions, without impacting the overall security of the system. It addresses some requirements of the European Union Council resolution on encryption and also provides a wide possibility of applications in user-based distributed systems.Stefano GalantucciDonato ImpedovoGiuseppe PirloIEEEarticleSecret sharingone time keycryptographysecret splittingauthenticationmultiple cryptographyElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 148521-148534 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Secret sharing one time key cryptography secret splitting authentication multiple cryptography Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Secret sharing one time key cryptography secret splitting authentication multiple cryptography Electrical engineering. Electronics. Nuclear engineering TK1-9971 Stefano Galantucci Donato Impedovo Giuseppe Pirlo One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems
description	The generation of encrypted channels between more than two users is complex, as it is necessary to share information about the key of each user. This problem has been partially solved through the secret sharing mechanism that makes it possible to divide a secret among several participants, so that the secret can be reconstructed by a well-defined part of them. The proposed system represents an extension of this mechanism, since it is designed to be applied systematically: each user has his/her key, through which temporary keys (One Time User Keys) are generated and are used to divide the secret, corresponding to the real encryption key. The system also overcomes the concept of numerical threshold (i.e., at least n participants are required to reconstruct the secret), allowing the definition, for each encryption, of which users can access and which specific groups of users can access. The proposed model can be applied both in distributed user-based contexts and as an extension of cryptographic functions, without impacting the overall security of the system. It addresses some requirements of the European Union Council resolution on encryption and also provides a wide possibility of applications in user-based distributed systems.
format	article
author	Stefano Galantucci Donato Impedovo Giuseppe Pirlo
author_facet	Stefano Galantucci Donato Impedovo Giuseppe Pirlo
author_sort	Stefano Galantucci
title	One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems
title_short	One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems
title_full	One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems
title_fullStr	One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems
title_full_unstemmed	One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems
title_sort	one time user key: a user-based secret sharing xor-ed model for multiple user cryptography in distributed systems
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/0b583c532bc445e0b675ce9c17a48c9c
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One Time User Key: A User-Based Secret Sharing XOR-ed Model for Multiple User Cryptography in Distributed Systems

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