Multi-Proxy Multi-Signcryption Scheme from Pairings
Liu Jun-Bao, Xiao Guo-Zhen
TL;DR
This paper introduces a novel multi-proxy multi-signcryption scheme based on pairings, enabling secure and efficient proxy signcryption with formal security analysis and proof of correctness.
Contribution
It presents the first multi-proxy multi-signcryption scheme from pairings that combines multi-signature and signcryption functionalities with security guarantees.
Findings
Scheme is secure under pairing-based assumptions
Proxy signcrypter group can be authorized collectively
Scheme is proven correct and secure
Abstract
A first multi-proxy multi-signcryption scheme from pairings, which efficiently combines a multi-proxy multi-signature scheme with a signcryption, is proposed. Its security is analyzed in detail. In our scheme, a proxy signcrypter group could be authorized as a proxy agent by the cooperation of all members in the original signcrypter group. Then the proxy signcryptions can be generated by the cooperation of all the signcrypters in the authorized proxy signcrypter group on behalf of the original signcrypter group. The correctness and the security of this scheme are proved.
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Taxonomy
TopicsCryptography and Data Security · Advanced Authentication Protocols Security · Cryptography and Residue Arithmetic