NDLI: Proxy Re-encryption Scheme Based on SK Identity Based Encryption

Content Provider	IEEE Xplore Digital Library
Author	Xu An Wang Xiaoyuan Yang
Copyright Year	2009
Abstract	The concept of proxy re-cryptography comes from the work of Blaze,Bleumer, and Strauss in 1998\cite{Blaze:98}. The goal of proxy re-encryption is to securely enable the re-encryption of ciphertexts from one key to another, without relying on trusted parties. In 2007, Matsuo proposed the concept of four types of proxy re-encryption schemes: CBE to CBE, IBE to CBE, CBE to IBE and IBE to IBE\cite{Matsuo:07}. Now CBE to IBE and IBE to IBE proxy re-encryption schemes are being standardized by IEEEP1363.3 working group\cite{P1363.3:08}. One feature of their schemes is that they are all based on BB1 identity based encryption\cite{BB04a}. We reconsider the problem of constructing proxy re-encryption based onSK identity based encryption. Surprisingly, if we consider the help of PKG, then it is easy to construct proxy re-encryption based on SK identity based encryption. Interestingly , our proxy re-encryption scheme even can achieve CCA2 secure, which makes it is unique.
Starting Page	657
Ending Page	660
File Size	188411
Page Count	4
File Format	PDF
ISBN	9780769537443
DOI	10.1109/IAS.2009.191
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Identity-based encryption Hydrogen Information security Cryptography Laboratories Educational institutions Large-scale systems Government
Content Type	Text
Resource Type	Article

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