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Paper 2007/007

One-Round ID-Based Blind Signature Scheme without ROS Assumption

Wei Gao and Xueli Wang and Guilin Wang and Fei Li

Abstract

In this paper, we propose a new ID-based blind signature scheme based on bilinear pairings from scratch (i.e. without using existing ID-based signature schemes, and without using existing computational assumptions). First, the round complexity of our ID-based blind signature scheme is optimal. Namely, each interactive signature generation requires the requesting user and the signer to transmit only one message each. Second, the proposed scheme is provably secure against generic parallel attack without using the ROS assumption. Indeed, the security of the proposed scheme is based on a new formalized assumption called one-more bilinear Diffie-Hellman Inversion (1m-BDHI) assumption.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
ID-based SignaturesBlind signaturesBilinear Pairings.
Contact author(s)
sdgaowei @ yahoo com cn
History
2007-01-07: received
Short URL
https://ia.cr/2007/007
License
Creative Commons Attribution
CC BY
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