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How to protect my VFP 6 software from DECOMPILATION
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To
13/06/2001 09:21:26
Ed Messick
International Banking Software, Inc.
Carmel, California, United States
General information
Forum:
Visual FoxPro
Category:
Third party products
Miscellaneous
Thread ID:
00511877
Message ID:
00522628
Views:
23
>As to reverse engineering... can any one reverse engineer or break the code if it is compiled with the "encrypt nodebug" switches?
>
>We tried ReFox8 and it seems to scramble fine, however the program "dies" somewhere down the line during operation. We have never figured that out and neither could the ReFox people, cause it comes up a Windows Error and not a Fox Error.

Certainly one can reverse engineer/break the code even with those compile settings. Refox will do it just fine. If the runtime can decode it, someone else can decode it as well. Even though the runtime does not contain debug information, that just means it does not know what the line number is (which may not be the same in the decompiled code since it will not have any comments), but all the actual code in it.
Cy Welch
Senior Programmer/Analyst
MetSYS Inc
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