A provably secure ID-based mediated signcryption scheme

被引：2

作者：

Yu, Yong ^{[1
]}

Yang, Bo ^{[2
]}

Sun, Ying ^{[2
]}

机构：

[1] Xidian Univ, Natl Key Lab ISN, Xian 710071, Peoples R China

[2] South China Agr Univ, Coll Informat, Guangzhou, Guangdong 510642, Peoples R China

来源：

SNPD 2007: EIGHTH ACIS INTERNATIONAL CONFERENCE ON SOFTWARE ENGINEERING, ARTIFICIAL INTELLIGENCE, NETWORKING, AND PARALLEL/DISTRIBUTED COMPUTING, VOL 3, PROCEEDINGS | 2007年

基金：

中国国家自然科学基金;

关键词：

sigcryption; mediated signcryption; provably secure; bilinear pairing;

D O I：

10.1109/SNPD.2007.231

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

It has been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)-based cryptosystems. Unfortunately, none of the previous ID-based cryptography can find a practical way. Motivated by Boneh et al.'s idea of mediated RSA, in this paper we propose the concept of ID-based mediated signcryption and give a concrete scheme, which yields a complete solution to the fast revocation of a user's identity in ID-based signcryption schemes. To address the security issues, we formulate security model and define strong security notions for ID-based mediated signcryption schemes. We also prove that our scheme satisfies these security requirements in the random oracle model.

引用

页码：647 / +

页数：2

共 15 条

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