In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have ...
Recently, proxy re-encryption scheme received much attention. In this paper, we propose a proxy re-encryption used for divert ciphertext from one group to another. The scheme is bi...
ded abstract of this paper appears in PKC 2009, S. Jarecki, G. Tsudik (Eds.), volume 5443 of LNCS, pp. 357-376, Sringer-Verlag, 2009. CCA-Secure Proxy Re-Encryption without Pairing...