Welcome to the resource topic for 2006/338
Title:
Efficient and Provably Secure Multi-Recipient Signcryption from Bilinear Pairings
Authors: Fagen Li, Yupu Hu, Shuanggen Liu
Abstract:Signcryption is a cryptographic primitive that performs signature and encryption simultaneously, at a lower computational costs and communication overheads than the signature-then-encryption approach. In this paper, we propose an efficient multi-recipient signcryption scheme based on the bilinear pairings which broadcasts a message to multiple users in a secure and authenticated manner. We prove its semantic security and unforgeability under the Gap Diffie-Hellman problem assumption in the random oracle model. The proposed scheme is more efficient than re-signcrypting a message n times using a signcryption scheme in terms of computational costs and communication overheads.
ePrint: https://eprint.iacr.org/2006/338
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