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Validate whether a codesigning is valid

Hi,

is it possible to check whether a digital sign is valid? After Signing a file, it has a checksum. After a file is changed the checksum is not valid anymore and windows said that the sign is broken. How to get this information by a code?

Ocrana
0
Ocrana
Asked:
Ocrana
1 Solution
 
warheroCommented:
hai there,

personally i don't have much depth knowledge over verification on CRC's however i found a site which i think it would helpful to you

http://codeguru.earthweb.com/cpp/w-p/files/shellapifunctions/article.php/c13027/
(check - verifying CRC/checksum)

hope this helps
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trinitrotolueneDirector - Software EngineeringCommented:
yes it is possible to do this. Take a look at

http://msdn.microsoft.com/en-us/library/aa388208(VS.85).aspx

let me know if u have more queries
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Subrat (C++ windows/Linux)Software EngineerCommented:
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OcranaAuthor Commented:
Thanks.
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