Abstract: Aiming at the security question of information switching between server and smart card, a new channel encryption scheme via using the combination of Logistic chaotic sequence and 3DES is proposed to secure the information switching between server and smart card. Engineering sample shows that scheme can overcome the defect of traditional method, such as long information switching time and vulnerable to plaintext attack, and implement security information switching between smart card and server.

Key words: security information switching, smart card, chaotic sequence, DES algorithm

摘要： 以中电华大的CIU51G128智能卡芯片为平台，针对智能卡与服务器端的报文交换安全问题，提出一种基于Logistic混沌加密序列的服务器端与卡端的数据动态加密传输方案，采用标准3DES算法作为加密算法，样卡测试表明，该方案克服传统方法易受明文攻击、报文交换过程复杂、时间长等缺点，实现智能卡与服务器端报文的安全交换。

关键词: 报文安全交换, 智能卡, 混沌序列, DES算法

CLC Number: 

• TP309.2