Improvement on the XTP public key cryptosystem and communication protocol of provable security

WANG Ze-hui

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Improvement on the XTP public key cryptosystem and communication protocol of provable security

更新时间：2024-10-14

- Improvement on the XTP public key cryptosystem and communication protocol of provable security
- Issue 1, Pages: 22-27(2007)
- 作者机构：
  
  中山大学科学计算与计算机应用系,广东,广州,510275
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918.6
- Published：2007
- 稿件说明：
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WANG Ze-hui. Improvement on the XTP public key cryptosystem and communication protocol of provable security[J]. 2007, (1): 22-27.
DOI：

WANG Ze-hui. Improvement on the XTP public key cryptosystem and communication protocol of provable security[J]. 2007, (1): 22-27. DOI：

摘要

提出一种新的迹函数

将基于3阶LFSR序列的XTR公钥密码体制(称之为XTR3体制)

改进为基于4阶LFSR序列的XTR4公钥密码体制。与XTR3体制比较

同等安全程度下XTR4的密钥长度小于XTR3。提出XTR4体制上的密钥交换协议

可证明安全性保密通信协议

一次一密协议

可以应用于多种环境

既能保证安全性

又能显著地提高运算效率。

Abstract

A new trace function was proposed

the XTP public key cryptosystem based on the 3-rd order LFSR se-quence（the so-called XTR3 system） was extended to the XTR4 system based on the 4-th order LFSR sequence.XTR4 key was shorter in length than that of the XTR3 system under the same security level.Based on the XTR4 cryptosystem

the key exchange protocol

communication protocol of provable security

and one-time-pad protocol were proposed

which could be employed in variant environments to assure the security

as well as to improve the calculation efficiency.

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Related Author

Zhen LIU

Yiliang HAN

Xiaoyuan YANG

Shuguang LIU

JIANG Zheng-tao1

LIU Jian-wei2

YUAN Ping-zhi3

WANG Yu-min4

Related Institution

College of Cryptography Engineering, Engineering University of PAP

School of Computer Science,Beihang University

School of Mathematics,Sun Yat-sen Univ.

National Key Lab.of Integrated Service Networks,Xidian Univ.

School of Electronic and Information Engineering,Beihang University

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