ID-Based Partially Blind Signatures: A Scalable Solution to Multi-Bank E-Cash

Wuping Chen,Bo Qin,Qianhong Wu,Lei Zhang,Huanguo Zhang

Singapore（2009）

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摘要

In this paper, we propose a practical ID-based (partially)blind signature scheme. Our scheme combines the already existing notions of blind signatures and identity-based cryptography.The signatures are shown secure in the random oracle model. We show how to use our ID-based PBSs to construct an electronic cash (e-cash) system in which multiple banks can securely distribute untraceable e-cash.

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关键词

id-based pbss,multiple bank,electronic money,electronic cash,e-cash system,cryptography,blind signature,multibank electronic cash,scalable solution,bank data processing,id-based partially blind signature,digital signatures,multi-bank e-cash,untraceable e-cash,identity-based cryptography,e-cash,random oracle model,blind signature scheme,blind signatures,id-based partially blind signatures,signal processing,computational modeling,games,digital signature,public key,data mining,databases,face,public key cryptography

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