Siren: Secure data sharing over P2P and F2F networks

Autor:	Péter Ligeti, Adam Nagy, Péter Kasza
Rok vydání:	2015
Předmět:	Homomorphic secret sharing Symmetric-key algorithm business.industry General Mathematics Secure multi-party computation Cryptographic protocol Encryption business Tunneling protocol Communications protocol Secret sharing Computer network Mathematics
Zdroj:	Studia Scientiarum Mathematicarum Hungarica. 52:257-264
ISSN:	1588-2896 0081-6906
DOI:	10.1556/012.2015.52.2.1316
Popis:	In this paper we propose a decentralized privacy-preserving system which is able to share sensible data in a way, that only predefined subsets of authorized entities can recover the data after getting an additional alarm message. The protocol uses two main communication channels: a P2P network where the encrypted information is stored, and a smaller private P2P network, which consists of the authorized parties called friend-to-friend network. We describe the communication protocol fulfilling the desired security requirements. The proposed protocol achieves unconditional security. The main cryptographic building blocks of the protocol are symmetric encryption schemes and secret sharing schemes.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::db80631892749df7f9eb7d9df2b70374 https://doi.org/10.1556/012.2015.52.2.1316 Zobrazit plný text záznamu