Paper 2012/125

Short and Efficient Expressive Attribute-Based Signature in the Standard Model

Aijun Ge, Cheng Chen, Chuangui Ma, and Zhenfeng Zhang


Attribute-based signature allows the signer to announce his endorsement using a signing policy without revealing the identity, and only the signer whose attributes satisfy the signing policy can generate a valid signature. Attribute-based signature can provide flexible access control policy and has many application in real scenarios requiring both privacy and authentication. In this paper, we present a new construction of efficient attribute-based signature schemes based on Waters' ciphertext-policy attribute-based encryption schemes. Our scheme is existentially unforgeable in the standard model for the selective adversary and can achieve perfect privacy. Compared with other attribute-based signature schemes supporting the general access structure, our scheme has the shortest signature size and the best computation efficiency.

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-- withdrawn --
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
attribute-based signatureciphertext policyexistential unforgeabilitygeneral access structure
Contact author(s)
geaijun2011 @ gmail com
2012-06-20: withdrawn
2012-03-13: received
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