Ramana Posted November 9, 2018 Share Posted November 9, 2018 Dear Friends, Good Morning! We have developed a lisp program long back and encrypted for future use, now i have lost the base lisp program, i would like to convert this encrypted lisp file to decrypt to do changes as per my requirement. I have convert program which is not supporting for windows 32bit Quote Link to comment Share on other sites More sharing options...
Ramana Posted November 9, 2018 Author Share Posted November 9, 2018 Dear Friends! The convert program which i have worked properly in Windows 7 operating system. Thank you Quote Link to comment Share on other sites More sharing options...
hanhphuc Posted November 10, 2018 Share Posted November 10, 2018 9 hours ago, Ramana said: Dear Friends! The convert program which i have worked properly in Windows 7 operating system. Thank you AFAIK few methods to encrypt LISP 0. XOR ascii 1. PROTECT.exe - Autocad Protected Lisp 2. VLIDE - FAS , VLX 3. C# customized FAS (needs 3rd party software installed) 4. ZWCAD - ZEL (not supported ACAD) 5. BRICSCAD - DES ? (not sure , not supported ACAD) However these 0, 1 & 2 not safe , easily decompiled by assembly hackers. 3,4&5 not sure. what do you mean converter program runs in 64bit os? i'm not sure any better or alternative secure way to encrypt p/s: kelvinator not mentioned, IMO not considered encrypt Quote Link to comment Share on other sites More sharing options...
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