Secure encryption embedded processor design for wireless sensor network application  

作　　者：霍文捷 Liu Zhenglin Zou Xuecheng 

机构地区：[1]Department of Electronics of Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, P. R. China

出　　处：《High Technology Letters》2011年第1期75-79,共5页高技术通讯（英文版）

摘　　要：This paper presents a new encryption embedded processor aimed at the application requirement of wireless sensor network （WSN）. The new encryption embedded processor not only offers Rivest Shamir Adlemen （RSA）, Advanced Encryption Standard （AES）, 3 Data Encryption Standard （3 DES） and Secure Hash Algorithm 1 （SHA - 1 ） security engines, but also involves a new memory encryption scheme. The new memory encryption scheme is implemented by a memory encryption cache （MEC）, which protects the confidentiality of the memory by AES encryption. The experi- ments show that the new secure design only causes 1.9% additional delay on the critical path and cuts 25.7% power consumption when the processor writes data back. The new processor balances the performance overhead, the power consumption and the security and fully meets the wireless sensor environment requirement. After physical design, the new encryption embedded processor has been successfully tape-out.

关 键 词：embedded processor security memory encryption wireless sensor network （WSN） CACHE 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TP332[自动化与计算机技术—控制科学与工程]