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CCA-secure Identity Based Proxy Re-encryption Based on a Variant of BB1 IBE

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3 Author(s)
Xu An Wang ; Key Lab. of Inf. & Network Security, Eng. Coll. of Chinese Armed Police Force, Xi'an, China ; Xiaoyuan Yang ; Junru Hu

In 1998, Blaze, Bleumer, and Strauss proposed a kind of cryptographic primitive called proxy re-encryption. In proxy re-encryption, a proxy can transform a ciphertext computed under Alice's public key into one that can be opened under Bob's decryption key. In this paper, with the help of the PKG, we construct a CCA-secure identity based proxy reencryption scheme based on a variant of BBi identity based encryption (IBE), we also prove its security in the random oracle model.

Published in:

Networks Security Wireless Communications and Trusted Computing (NSWCTC), 2010 Second International Conference on  (Volume:2 )

Date of Conference:

24-25 April 2010