Chosen-ciphertext attack secure public key encryption with auxiliary inputs

被引：2

作者：

Zhang, Zongyang ^{[1
]}

Cao, Zhenfu ^{[1
]}

Qian, Haifeng ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Comp Sci & Engn, Shanghai 200240, Peoples R China

[2] E China Normal Univ, Dept Comp Sci & Technol, Shanghai 200241, Peoples R China

来源：

SECURITY AND COMMUNICATION NETWORKS | 2012年 / 5卷 / 12期

基金：

中国国家自然科学基金;

关键词：

public key encryption; chosen-ciphertext attacks; auxiliary input; Naor-Yung paradigm; RESILIENT; CRYPTOGRAPHY; SCHEMES;

D O I：

10.1002/sec.504

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We consider public key encryption (PKE) schemes with auxiliary input, that is, the adversary is given any computationally uninvertible function of the secret key. Previous result only achieves security under chosen-plaintext attacks (CPA). In this paper, we construct public key encryption schemes that are secure under chosen-ciphertext attacks even when the adversary is given any computationally uninvertible function of the secret key as an auxiliary input. We follow the NaorYung double encryption paradigm and generally transform any chosen-plaintext attack secure public key encryption into a chosen-ciphertext attack secure one in the auxiliary input model. Copyright (C) 2012 John Wiley & Sons, Ltd.

引用

页码：1404 / 1411

页数：8

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