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K-times Proxy Re-encryption

Authors: Xu An Wang 0014; Ziqing Wang; Yi Ding; Shujun Bai;

K-times Proxy Re-encryption

Abstract

The traditional proxy re-encryption (PRE) or conditional proxy re-encryption (CPRE) can re-encrypt infinite times on the delegator's cipher text. However many practical applications do not need this property, they prefer the delegator can control on the times the proxy can re-encrypt. In this paper, we introduce a new kind of proxy re-encryption: k-times proxy re-encryption (KPRE). To construct a concrete KPRE scheme, we add public/private key to the proxy. In k-times proxy re-encryption, the proxy can only re-encrypt k times, otherwise the proxy's private key will be exposed. We construct a concrete IND-RCCA secure KPRE scheme by combining the k-times signature and Libert et al's IND-RCCA PRE scheme in PKC'08.

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Powered by OpenAIRE graph
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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