A Note on a Provable Secure Encryption Scheme

被引：0

作者：

王明强 ^{[1
]}

秦静 ^{[1
]}

机构：

[1] School of Mathematics,Shandong University,Jinan 250100,China

来源：

Journal of Shanghai Jiaotong University(Science) | 2008年 / 13卷 / 06期

基金：

中国国家自然科学基金;

关键词：

hybrid encryption scheme; chosen-ciphertext attack; authentication function;

D O I：

暂无

中图分类号：

TP309.2 [数据安全];

学科分类号：

081201 ; 0839 ; 1402 ;

摘要：

A Cramer-Shoup scheme was modified in a variant way.The major advantage with respect to Kurosawa-Desmedt scheme is that it saves a key parameter and produces shorter ciphertext.The proof of security shows that our scheme can be instantiated with any computational secure key derivation and message authentication functions.Thus it extends the applicability of the Kurosawa-Desmedt scheme and improves its effciency.

引用

页码：655 / 658

页数：4

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