TAILIEUCHUNG - Ebook PC Underground: Phần 2

Part 1 of the book serial ebook Pc Underground to part 2 of you will continue to learn about relevant issues such as: protect your know-how protection tricks, memory management, programming other PC components,. Invite you to consult the lecture to learn more about this content. | Protect Your Know-how Protection Tricks Chapter 9 Most experts agree using a dongle is currently the best protection against illegal copying. However using a dongle to protect programs is impractical. The dongle if it is to provide reliable protection could cost several times more than the program low cost dongles provide only minimal security. A more reliable method is using a CD-ROM. The CD offers a certain degree of security for at least two reasons 1. Although it s possible to write directly to a CD the hardware required is quite expensive. Unless the program is illegally copied by a professional the CD offers a certain degree of security. 2. An enormous quantity of data can be stored on one CD-ROM. Most users will think twice about copying 150 Meg onto their hard disk for only one program. The disadvantage of using a CD-ROM is that many users still do not have a CD-ROM drive. Therefore your program cannot be used by those who do not have a CD-ROM drive. Therefore if using a dongle or a CD-ROM is not possible you have only one more possibility You must build copy protection into your program. Remember there is no copy protection that a dedicated hacker cannot defeat. However you can make a hacker s life much more difficult. The protection tricks we ll talk about in this chapter become more important in this age of rising economic crime. No one likes to see their ideas and technology stolen. The tricks we ll talk about probably will not protect your programs from the professional hacker but they will frustrate the would-be debugger expert. You will also find these tricks used in many professional programs. Dissecting Programs There are many tools that can be used to debug. We ll introduce a few of the most popular ones to you in this section. Your first thought when we mention tools is probably programs like PC Tools or the Norton Utilities. However we are not talking about this type of program here. Instead we ll discuss several useful programs that will make .

• Kỹ thuật lập trình
• Ebook PC Underground
• PC Underground
• Protection tricks
• Memory management
• Programming other PC components
• Assembly language
• The true language of programmers
• Assembly language in practice
• Other hot effects