本人目前在做一个关于“数字签名”的项目，在网上查资料，一般都是讲RSA的算法，或者“数字签名”的原理，完全是浪费时间。希望能给以后的做这个的朋友提供个方便。...

完整的usb massstorage 的协议文档-Usb massstorage complete agreement document

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PDIUSBD12详解_中文版,很不错的资料-Detailed PDIUSBD12 _ the Chinese version, it is good information

fpga学习的最好教材，由华清远见讲解，极具参考学习价值。-FPGA to learn the best materials, by explaining the vision Huaqing, learning the value of reference.

电脑编程技巧与维护2000-1-computer programming skills and maintenance 2000-1

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A dynamic-link library (DLL) contains one or more subprogram procedures (functions or subroutines) that are compiled, linked, and stored separately from the applications using them. Because the functions or subroutines are separate from the applications using them, they can be shared or replaced easily.-A dynamic- link library (DLL) contains one subprogram or more procedures (or functions su broutines) that are compiled, linked, and stored separately from the applications us ing them. Because the functions or subroutines are separate from the applications using them. they can be easily shared or replaced.

使用MFC进行编程的基本特点，以及VISUAL C++集成开发环境提供的一系列编程辅助工具――WIZARD的使用方法。-MFC programming using the basic characteristics, as well as the VISUAL C++ Integrated development environment provided by a series of programming tools- WIZARD use.

面向软件工程的Visual C++网络程序开发-Oriented software engineering, Visual C++ Network program development

Java2实用教程（第三版） 附：目录 第1章 Java入门 第2章 标识符、关键字和数据类型 第3章 运算符、表达式和语句 第4章 类、对象和接口 第5章 字符串 第6章 时间、日期和数字 第7章 AWT组件及事件处理 第8章 建立对话框 第9章 Java多线程机制 第10章 输入输出流 第11章 Java网络的基本知识 第12章 Java Applet基础 第13章 常见数据结构的Java实现 第14章 图形与图像 第15章 Java数据库连接（JDBC） 第16章 Java与多媒体 第17章 Java Swing基础-Java2 Practical Guide (third edition) By-laws: Chapter 1 Contents Chapter 2 Introduction to Java identifiers, keywords and data types in Chapter 3 operator, expressions and expressions Chapter 4 categories, objects and interfaces in Chapter 5 string Chapter 6 of the time, date and number of Chapter 7 dealing with AWT components and the events in Chapter 8 to establish dialog box Chapter 9 Java multi-threading mechanism of Chapter 10 input and output flows in Chapter 11 of the basic knowledge of Java Network Chapter 12 Java Applet Chapter 13 based on common Java data structures to achieve Chapter 14 graphics and image Chapter 15 Java Database Connectivity (JDBC) Chapter 16 Java and Mul