Identity-based Conditional Proxy Re-encryption

被引：0
|
作者：
Shao, Jun [1 ]
Wei, Guiyi [1 ]
Ling, Yun [1 ]
Xie, Mande [1 ]
机构：
[1] Zhejiang Gongshang Univ, Coll Informat & Comp Engn, Hangzhou 310018, Peoples R China
来源：
2011 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC) | 2011年
关键词：
Conditional Proxy Re-encryption; Identity-based; Encrypted Email Forwarding;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a new cryptographic primitive, named identity-based conditional proxy re-encryption (IBCPRE). In this primitive, a proxy with some information (a.k.a. re-encryption key) is allowed to transform a subset of ciphertexts under an identity to other ciphertexts under another identity. Due to the specific transformation, IBCPRE is very useful in encrypted email forwarding. Furthermore, we propose a concrete IBCPRE scheme based on Boneh-Franklin identity-based encryption. The proposed IBCPRE scheme is secure against the chosen ciphertext and identity attack in the random oracle model.
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页数：5
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