| on the security of a bidirectional proxy re-encryption scheme from pkc 2010 | |
| Weng Jian; Zhao Yunlei; Hanaoka Goichiro | |
| 2011 | |
| 会议名称 | 14th International Conference on Practice and Theory in Public Key Cryptography, PKC 2011 |
| 会议录名称 | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
| 页码 | 284-295 |
| 会议日期 | 6-Mar-02 |
| 会议地点 | Taormina, Italy |
| 收录类别 | EI |
| 出版地 | Germany |
| ISSN | 3029743 |
| ISBN | 9783642193781 |
| 部门归属 | (1) Department of Computer Science, Jinan University, Guangzhou, China; (2) State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China; (3) State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing, China; (4) Software School, Fudan University, Shanghai, China; (5) National Institute of Advanced Industrial Science and Technology, Tokyo, Japan |
| 摘要 | In ACM CCS 2007, Canetti and Hohenberger left an interesting open problem of how to construct a chosen-ciphertext secure proxy re-encryption (PRE) scheme without bilinear maps. This is a rather interesting problem and has attracted great interest in recent years. In PKC 2010, Matsuda, Nishimaki and Tanaka introduced a novel primitive named re-applicable lossy trapdoor function, and then used it to construct a PRE scheme without bilinear maps. Their scheme is claimed to be chosen-ciphertext secure in the standard model. In this paper, we make a careful observation on their PRE scheme, and indicate that their scheme does not satisfy chosen-ciphertext security. The purpose of this paper is to clarify the fact that, it is still an open problem to come up with a chosen-ciphertext secure PRE scheme without bilinear maps in the standard model. © 2011 International Association for Cryptologic Research. |
| 关键词 | Public Key Cryptography |
| 主办者 | International Association for Cryptologic Research (IACR) |
| 内容类型 | 会议论文 |
| URI标识 | http://ir.iscas.ac.cn/handle/311060/14253 |
| 专题 | 信息安全国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Weng Jian,Zhao Yunlei,Hanaoka Goichiro. on the security of a bidirectional proxy re-encryption scheme from pkc 2010[C]. Germany,2011:284-295. |
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