Traceable attribute‐based signcryption
Security and Communication Networks2013Vol. 7(12), pp. 2302–2317
Citations Over TimeTop 10% of 2013 papers
Abstract
ABSTRACT Signcryption can provide confidentiality and authenticity for many cryptographic applications. In this study, we propose a new efficient attribute‐based signcryption scheme. This scheme achieves confidentiality against chosen ciphertext attacks and unforgeability against chosen messages attacks in the selective attribute model. In addition, our scheme enjoys traceability by use of non‐interactive witness indistinguishable proofs; that is, the authority can break the anonymity of users when necessary. Compared with previous works, our scheme has advantages in terms of functionality and efficiency simultaneously. Copyright © 2013 John Wiley & Sons, Ltd.
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