Re: A scheme of software protection

From: JiXian Yang (
Date: 07/11/05

Date: 11 Jul 2005 07:13:47 -0700

Jan Panteltje wrote:
> Do I understand you build a virtual (soft) CPU with a differrent
> instruction set?
> That thing can be disassembled, and and then a debugger and disassembler
> written for it.

Thank you very much for your reply.

Some contents should be added to the paper when I found some reference
Suppose that there exist the debugger and disassembler and the
instruction set is not differrent, the effect might be:

Call Calculate_Offset_and_Jump;
Call Calculate_Offset_and_Jump;
Call Calculate_Offset_and_Jump;

Thanks again for you time.


JiXian Yang