软件加密狗是一种和PC机I/O口相连接的硬件盒，它起到保护商品软件知识产权的作用。
The software dog is a kind of hardware set connected to PC I/O port, which protects the commercial software copyright.
该文分析了基于混沌技术的USB软件加密狗工作原理和工作过程，着重说明了PC主机与加密狗之间交换数据的详细过程。
This paper analyzes the principle and process of the digital chaos USB software dog. This dissertation elaborated the data exchange between PC computer and USB software dog.
本文介绍了带智能USB控制内核的EZ-USB单片机芯片的特点，重点阐述了基于AN2132QC芯片开发的USB软件加密狗的原理和实现方法。
This paper introduces the intelligent feature of the EZ-USB chip. The design and implementation of a USB Softdog based on AN2132QC are also given.
研究各种加密狗内部的电路及加密算法、程序是软件加密的一个分支。
The research on the dog circuits and encryption algorithms is one of the main interests in this area.
研究各种加密狗内部的电路及加密算法、程序是软件加密的一个分支。
The research on the dog circuits and encryption algorithms is one of the main interests in this area.
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