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#1
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Excel Security : what is the best I can get?
I have some projects in Excel (worksheet formulas+VBA) that I would
like to protect them as much as possible. Of course, my customer has to be able to open it and work with it. I know that the solution will probably be weak, but I just want the best I can get... I'm using the VBA Project password, that's as far as I could go. By the way, how weak is it? (i.e., if the guy has to use a password cracker that takes more than 2 days I would be happy with it :) Also, is there a third party security software that could help me with that? |
#2
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Excel Security : what is the best I can get?
Passwords for the workbook and worksheet (under tools|protection) is pretty
weak. J.E. McGimpsey has code at his site: http://www.mcgimpsey.com/excel/removepwords.html Passwords for VBA projects can take even less time to break. I've never done it, but you could compile your code and create a COM/DLL module and that would be secure. Chracatoa wrote: I have some projects in Excel (worksheet formulas+VBA) that I would like to protect them as much as possible. Of course, my customer has to be able to open it and work with it. I know that the solution will probably be weak, but I just want the best I can get... I'm using the VBA Project password, that's as far as I could go. By the way, how weak is it? (i.e., if the guy has to use a password cracker that takes more than 2 days I would be happy with it :) Also, is there a third party security software that could help me with that? -- Dave Peterson |
#3
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Excel Security : what is the best I can get?
I've never done it, but you could compile your code and create a COM/DLL module
and that would be secure. Yes, I think that's what I probably should do... Does anybody know of any good reference to migrate from Excel VBA to VB dlls? I use several Excel functions through VBA (like select cells, sort, etc.). |
#4
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Excel Security : what is the best I can get?
Chip Pearson has a COM sample at:
http://www.cpearson.com/excel/download.htm Look for XLCAI Chracatoa wrote: I've never done it, but you could compile your code and create a COM/DLL module and that would be secure. Yes, I think that's what I probably should do... Does anybody know of any good reference to migrate from Excel VBA to VB dlls? I use several Excel functions through VBA (like select cells, sort, etc.). -- Dave Peterson |
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