On the security of provably secure multi-receiver ID-based signcryption scheme

被引：11

作者：

Tan, Chik-How ^{[1
]}

机构：

[1] Gjovik Univ Coll, Dept Comp Sci & Media Technol, NISlab, Gjovik, Norway

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2008年 / E91A卷 / 07期

关键词：

cryptography; identify-based signcryption;

D O I：

10.1093/ietfec/e91-a.7.1836

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Recently, Duan and Cao proposed an multi-receiver identity-based signcryption scheme. They showed that their scheme is secure against adaptive chosen ciphertext attacks in the random oracle model. In this paper, we show that their scheme is in fact not secure against adaptive chosen ciphertext attacks under their defined security model.

引用

页码：1836 / 1838

页数：3

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