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Attribute-based signatures for unbounded circuits in the ROM and efficient instantiations from lattices

Abstract:

Attribute-based signature (ABS), originally introduced by Maji et al. (CT-RSA'11), represents an essential mechanism to allow for fine-grained authentication. A user associated with an attribute x can sign w.r.t. a given public policy C only if his attribute satisfies C, i.e., C(x) = 1. So far, much effort on constructing bilinear map-based ABS schemes have been made, where the state-of-the-art scheme of Sakai et al. (PKC'16) supports the very wide class of unbounded circuits as policies. ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1007/978-3-319-76581-5_4

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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Oxford college:
St Cross College
Role:
Author
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Name:
Japan Science and Technology Agency
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Name:
Japan Society for the Promotion of Science
Publisher:
Springer
Host title:
21st International Conference on Practice and Theory of Public Key Cryptography (PKC 2018)
Journal:
21st International Conference on Practice and Theory of Public Key Cryptography (PKC 2018) More from this journal
Publication date:
2018-03-25
Acceptance date:
2017-12-15
DOI:
Pubs id:
pubs:833245
UUID:
uuid:1e14f187-c655-427d-8de8-536ed656f795
Local pid:
pubs:833245
Source identifiers:
833245
Deposit date:
2018-05-04

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