Continuous Leakage-Resilient Identity-Based Encryption Scheme with CCA Security

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英文篇名：Continuous Leakage-Resilient Identity-Based Encryption Scheme with CCA Security 作者：ZHOU ; Yanwei ; YANG ; Bo 英文作者：ZHOU Yanwei;YANG Bo;Engineering Laboratory of Teaching Information Technology of Shaanxi Province, Shaanxi Normal University;School of Computer Science, Shaanxi Normal University;State Key Laboratory of Information Security, Institute of Information Engineering; 英文关键词：Continuous leakage-resilience;;Identity based encryption;;CCA security;;Standard model 中文刊名：EDZX 英文刊名：电子学报(英文) 机构：Engineering Laboratory of Teaching Information Technology of Shaanxi Province, Shaanxi Normal University;School of Computer Science, Shaanxi Normal University;State Key Laboratory of Information Security, Institute of Information Engineering; 出版日期：2019-07-11 出版单位：Chinese Journal of Electronics 年：2019 期：v.28 基金：supported by the National Key R&D Program of China(No.2017YFB0802000);; the National Natural Science Foundation of China(No.61802242,No.61572303,No.61772326,No.61802241);; National Cryptography Development Fund during the 13th Five-year Plan Period(No.MMJJ20180217);; the Natural Science Basic Research Plan in Shaanxi Province of China(No.2018JQ6088);; the Fundamental Research Funds for the Central Universities(No.GK201803064) 语种：英文; 页：EDZX201904004 页数：8 CN：04 ISSN：10-1284/TN 分类号：20-27

摘要

Leakage of private information including private key has become a threat to the security of computing systems. It has become a common security requirement that a cryptographic scheme should withstand various leakage attacks, including continuous leakage attacks. In order to obtain an Identity-based encryption(IBE) scheme which can keep its original security in the continuous leakage setting, we propose a new construction method of IBE scheme with Chosen-ciphertext attacks(CCA) security, which can tolerate continuous leakage attacks on many private keys of each identity, and whose security is proved based on the hardness of the classical Decisional bilinear Diffie-Hellman(DBDH) assumption in the standard model. The leakage parameter is independent of the plaintext space and has the constant size.
        Leakage of private information including private key has become a threat to the security of computing systems. It has become a common security requirement that a cryptographic scheme should withstand various leakage attacks, including continuous leakage attacks. In order to obtain an Identity-based encryption(IBE) scheme which can keep its original security in the continuous leakage setting, we propose a new construction method of IBE scheme with Chosen-ciphertext attacks(CCA) security, which can tolerate continuous leakage attacks on many private keys of each identity, and whose security is proved based on the hardness of the classical Decisional bilinear Diffie-Hellman(DBDH) assumption in the standard model. The leakage parameter is independent of the plaintext space and has the constant size.

引文

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