[1]刘根贤[] [],汪东升[],王海霞[]. 嵌入式微处理器多协议ISP设计及安全性分析[J].计算机技术与发展,2015,25(08):20-23.
　LIU Gen-xian[][],WANG Dong-sheng[],WANG Hai-xia[]. Design of Multi-protocol ISP and Its Safety Analysis for Embedded Microprocessor[J].,2015,25(08):20-23.
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 嵌入式微处理器多协议ISP设计及安全性分析()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年08期
页码:
20-23
栏目:
智能、算法、系统工程
出版日期:
2015-08-10

文章信息/Info

Title:
 Design of Multi-protocol ISP and Its Safety Analysis for Embedded Microprocessor
文章编号:
1673-629X（2015)08-0020-04
作者:
 刘根贤[1] [2]; 汪东升[3] ; 王海霞[3]
 1.清华大学 计算机科学与技术系；2.第二炮兵工程大学 信息管理中心；3.清华大学 信息科学技术国家实验室筹
Author(s):
 LIU Gen-xian[1][2];  WANG Dong-sheng[3] ; WANG Hai-xia[3]
关键词:
 ; 在系统可编程; 微处理器; 安全; 多协议
Keywords:
 ; ISP; microprocessor; security; multi-protocol
分类号:
TP39
文献标志码:
A
摘要:
 ISP( In-System Programming,在系统可编程)指电路板上的微处理器可以通过预先设定的接口对内部FLASH存储器进行编程,而不需要从电路板取下器件。 ISP技术已经得到广泛的应用,越来越多的微处理器支持用户自行设计ISP程序。但ISP存在升级方式单一的问题,还隐含一些安全风险,例如误触发擦写操作造成程序丢失,或者恶意ISP程序窃取敏感信息。针对这些问题,文中提出了多协议ISP设计,分析了ISP安全的硬件支持条件,并进行了相应评估,验证了多协议ISP以及安全设计的可行性。
Abstract:
 In-System Programming programs the inner FLASH of the microprocessor through a specific interface when the device is mounted on the circuit board. ISP technology has been used widely in microprocessors,some of which support users defined ISP firm-ware. However,ISP faces upgrading problems as well as security problems,such as the program loss caused by false trigger or the sensi-tive information missing caused by malicious ISP program attack. To solve those problems,a multi-protocol ISP technology is proposed. In addition,analyze and assess the hardware support requirements for ISP security and prove the feasibility of multi-protocol ISP and se-curity design.

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更新日期/Last Update: 2015-09-11