Attribute-Based Encryption without Central Authority: DMA-ABE

doi:10.13190/j.jbupt.2015.05.014

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2015, Vol. 38 ›› Issue (5): 77-80.doi: 10.13190/j.jbupt.2015.05.014

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Attribute-Based Encryption without Central Authority: DMA-ABE

CHEN Dan-wei¹, WU Qiong¹, CHEN Lin-ling¹, PAN Su²

1. Department of Computer and Science, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;
2. Department of Communication and Information Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Received:2014-12-25 Online:2015-10-28 Published:2015-10-28

Abstract

Abstract:

A scheme decentralizing multi-authority attribute based encryption DMA-ABE was proposed. In this scheme, the multiple attribute authority was used to issue users' keys without any coordination of central authority. Any linear secret sharing schemes access structure was supported, which is efficient, flexibility and fine-grained. The proxy re-encryption was used to realize on-demand attribute revocation and authorization. A security analysis was given to verify the scheme is secure against chosen plain-text attack.

Key words: attribute-based encryption, proxy re-encryption, attribute revocation and grant

CLC Number:

TN929.53

CHEN Dan-wei, WU Qiong, CHEN Lin-ling, PAN Su. Attribute-Based Encryption without Central Authority: DMA-ABE[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2015, 38(5): 77-80.

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Attribute-Based Encryption without Central Authority: DMA-ABE

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