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- W2809645152 abstract "In this paper we focus on a new generation of secure resource sharing platform in a decentralized blockchain environment with flexible and diverse permission management, as well as verifiable and transparent access process. To do it, we present a new Transaction-based Access Control (TBAC) platform which integrates the standard attribute-based access control (ABAC) model and the blockchain system. In this platform, four types of transactions and Bitcoin-type cryptographic scripts are presented to describe the TBAC access control procedure corresponding to subject registration, object escrowing and publication, access request and grant. We also present a cryptosystem associated with TBAC (CryptoTBAC) for ensuring secure attribute-exchanging and decision-making of dynamic policy. We evaluate the security of CryptoTBAC from three aspects: transaction, authorization, and decision-making security." @default.
- W2809645152 created "2018-06-29" @default.
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- W2809645152 date "2018-07-01" @default.
- W2809645152 modified "2023-10-09" @default.
- W2809645152 title "TBAC: Transaction-Based Access Control on Blockchain for Resource Sharing with Cryptographically Decentralized Authorization" @default.
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- W2809645152 doi "https://doi.org/10.1109/compsac.2018.00083" @default.
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