Description: Topic: File operation. Specific requirements: the user to enter source file name and destination file name, the default destination file name if the user is the same name as the source file. Purpose of the file does not exist, copy the file dialog box appears as follows: 1 file copied. 2 files compressed copy. 3 file encryption replication. Please choose (1,2,3): the meaning of the copied file compression: The source file copies of all the spaces removed to the destination file. Encryption and decryption: a 6-character input key data and key files (ASCII code) for XOR. Less than 6 bytes of the section, and key characters in the corresponding operations. (You can design a better compression and encryption/decryption algorithm)
To Search:
- [virus] - Used to write a compilation of small vir
- [Billy--DOS] - Billy virus dos tutorial, in particular,
File list (Check if you may need any files):
copysystem.asm
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