Improved unidirectional chosen-ciphertext secure proxy re-encryption

Zhao Guoan Zhao Guoan,Ge Chunpeng Ge Chunpeng,Ren Yongjun Ren Yongjun,Fang Liming Fang Liming,Wang Jiandong Wang Jiandong

doi:10.1109/wcins.2010.5541824

Improved unidirectional chosen-ciphertext secure proxy re-encryption

Zhao Guoan Zhao Guoan, Ge Chunpeng Ge Chunpeng + Show 3 more

https://doi.org/10.1109/wcins.2010.5541824

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Publication Date: Jun 1, 2010

Citations: 11

Affiliation: Nanjing University of Aeronautics and Astronautics

#Unidirectional Proxy Re-encryption #Unidirectional Proxy + Show 8 more

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Abstract

At PKC'08, Libert and Vergnaud presented the first construction of unidirectional proxy re-encryption scheme with chosen-ciphertext security in the standard model. The limitation of their scheme is using one time signature. In this paper, an improved unidirectional chosen-ciphertext secure proxy re-encryption scheme is proposed. Our construction is more efficient than Libert and Vergnaud's scheme by avoiding one time signature.

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