Title :
CCA-secure Identity Based Proxy Re-encryption Based on a Variant of BB1 IBE
Author :
Wang, Xu An ; Yang, Xiaoyuan ; Hu, Junru
Author_Institution :
Key Lab. of Inf. & Network Security, Eng. Coll. of Chinese Armed Police Force, Xi´´an, China
Abstract :
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.
Keywords :
public key cryptography; Alice public key; Bob decryption key; CCA-secure identity; PKG; cryptographic primitive; identity based encryption; proxy re-encryption; random oracle model; Computer networks; Educational institutions; Identity-based encryption; Information security; Laboratories; Public key; Public key cryptography; Wireless communication; BB1 identity based encryption; CCA-secure; PKG; identity based proxy re-encryption;
Conference_Titel :
Networks Security Wireless Communications and Trusted Computing (NSWCTC), 2010 Second International Conference on
Conference_Location :
Wuhan, Hubei
Print_ISBN :
978-0-7695-4011-5
Electronic_ISBN :
978-1-4244-6598-9
DOI :
10.1109/NSWCTC.2010.263
