| 基于AN21321QC的软件保护电路开发 |
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| 引用本文： | 周洁,周密. 基于AN21321QC的软件保护电路开发[J]. 工业控制计算机, 2005, 18(8): 35-36 |
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| 作者姓名： | 周洁 周密 |
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| 作者单位： | 北京迪赛通用技术研究所开发设计部,100088;北京必联信息技术有限公司,100085 |
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| 摘 要： | 介绍了基于USB接口的软件加密保护电路的硬件设计，同时阐述了软件开发过程，采用两种加解密算法相结合．把软硬件紧密结合在一起，增强了对软件保护的强度，克服仅用软件加密容易破解的缺点。
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| 关 键 词： | DSP USB 加解密 |
| 收稿时间： | 2005-05-30 |
| 修稿时间： | 2005-05-30 |
Circuit Development For Safeguard Based on USB |
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| Zhou Jie. Circuit Development For Safeguard Based on USB[J]. Industrial Control Computer, 2005, 18(8): 35-36 |
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| Authors: | Zhou Jie |
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| Abstract: | This paper introduces the encryption circuit design for the software safeguard based on usb port,and illuminate the software design process.The circuit adopt two kinds of encryption algorithm,which makes the software and hardware combine a unit tightly,and enhance the encryption power for safeguard.The design overcomes the disadvantages of being decrypted only using the method of software protection. |
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| Keywords: | DSP USB encryption and decryption |
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