| Huo Wenjie(霍文捷),Liu Zhenglin,Zou Xuecheng.[J].高技术通讯(英文),2011,17(1):75~79 |
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| Secure encryption embedded processor design for wireless sensor network application |
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| DOI： |
| 中文关键词: |
| 英文关键词: embedded processor, security, memory encryption, wireless sensor network(WSN), cache |
| 基金项目: |
| Author Name | Affiliation | | Huo Wenjie(霍文捷) | | | Liu Zhenglin | | | Zou Xuecheng | |
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| 中文摘要: |
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| 英文摘要: |
| 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 (3DES) 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 experiments 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. |
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