An encryption approach to digital communication by using spatiotemporal chaos synchronization

被引：38

作者：

Kuang, JY ^{[1
]}

Deng, K ^{[1
]}

Huang, RH ^{[1
]}

机构：

[1] Beijing Normal Univ, Dept Elect, Beijing 100875, Peoples R China

来源：

ACTA PHYSICA SINICA | 2001年 / 50卷 / 10期

关键词：

spatiotemporal chaos synchronization; cryptosystem; communication efficiency;

D O I：

10.7498/aps.50.1856

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An encryption approach to digital communication by using spatiotemporal chaos synchronization is proposed. Two one-way coupled map lattice (OCOML) systems driven by a chaotic signal are synchronized. The chaotic outputs of the OCOML systems serve as the encryption and decryption keys and the main secret key is a set of coupling parameters of the OCOML. The advantages of the cryptosystem are its high communication efficiency, higher level of security and easy implementation by software. An example of duplex real-time voice communication between two computer users is described.

引用

页码：1856 / 1861

页数：6

共 18 条

[1] CIRCUIT IMPLEMENTATION OF SYNCHRONIZED CHAOS WITH APPLICATIONS TO COMMUNICATIONS [J].

CUOMO, KM ;

OPPENHEIM, AV .

PHYSICAL REVIEW LETTERS, 1993, 71 (01) :65-68

[2] CHAOS SHIFT KEYING - MODULATION AND DEMODULATION OF A CHAOTIC CARRIER USING SELF-SYNCHRONIZING CHUA CIRCUITS [J].

DEDIEU, H ;

KENNEDY, MP ;

HASLER, M .

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING, 1993, 40 (10) :634-642

[3] Discrete-time chaotic encryption systems .1. Statistical design approach [J].

Gotz, M ;

Kelber, K ;

Schwarz, W .

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-FUNDAMENTAL THEORY AND APPLICATIONS, 1997, 44 (10) :963-970

[4] Implementation of chaotic cryptography with chaotic synchronization [J].

He, R ;

Vaidya, PG .

PHYSICAL REVIEW E, 1998, 57 (02) :1532-1535

[5] Synchronization of spatiotemporal chaos and its applications [J].

Hu, G ;

Xiao, JH ;

Yang, JZ ;

Xie, FG ;

Qu, ZL .

PHYSICAL REVIEW E, 1997, 56 (03) :2738-2746

[6] GENERAL-APPROACH FOR CHAOTIC SYNCHRONIZATION WITH APPLICATIONS TO COMMUNICATION [J].

KOCAREV, L ;

PARLITZ, U .

PHYSICAL REVIEW LETTERS, 1995, 74 (25) :5028-5031

[7] Synchronizing chaos by driving of discrete chaotic signal [J].

Luo, XS ;

Fang, JQ ;

Wang, LH ;

Kong, LJ ;

Weng, JQ .

ACTA PHYSICA SINICA, 1999, 48 (11) :2022-2029

[8] Estimating model parameters from time series by autosynchronization [J].

Parlitz, U .

PHYSICAL REVIEW LETTERS, 1996, 76 (08) :1232-1235

[9] SYNCHRONIZATION IN CHAOTIC SYSTEMS [J].

PECORA, LM ;

CARROLL, TL .

PHYSICAL REVIEW LETTERS, 1990, 64 (08) :821-824

[10]

SCHNEIE B, 1996, APPL CRYPTOGRAPHY

← 1 2 →