DocumentCode
2404840
Title
Multi-Use Unidirectional Proxy Re-Encryption
Author
Shao, Jun ; Liu, Peng ; Cao, Zhenfu ; Wei, Guiyi
Author_Institution
Coll. of Inf. & Comput. Eng., Zhejiang Gongshang Univ., Hangzhou, China
fYear
2011
fDate
5-9 June 2011
Firstpage
1
Lastpage
5
Abstract
This paper presents the first multi-use unidirectional proxy re-encryption scheme proven-secure against chosenciphertext attacks and collusion attacks in the standard model. Although our proposal features a linear ciphertext size and decryption time in the number of translations, we emphasize that it is the first multi-use and unidirectional realization of the primitive satisfying the chosen-ciphertext security and collusion resistance. The proposal gives an answer to the problem proposed by Canetti and Hohenberger at ACM CCS 2007.
Keywords
cryptography; ACM CCS 2007; chosen-ciphertext attacks; chosen-ciphertext security; collusion attacks; collusion resistance; decryption time; multiuse unidirectional proxy reencryption; Encryption; Games; Proposals; Public key; Resistance;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications (ICC), 2011 IEEE International Conference on
Conference_Location
Kyoto
ISSN
1550-3607
Print_ISBN
978-1-61284-232-5
Electronic_ISBN
1550-3607
Type
conf
DOI
10.1109/icc.2011.5962455
Filename
5962455
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