Validate whether a codesigning is valid

Posted on 2010-11-20
Last Modified: 2012-05-10

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?

Question by:Ocrana

Expert Comment

ID: 34182917
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
(check - verifying CRC/checksum)

hope this helps
LVL 12

Accepted Solution

trinitrotoluene earned 500 total points
ID: 34183206
yes it is possible to do this. Take a look at

let me know if u have more queries

Expert Comment

by:Subrat (C++ windows/Linux)
ID: 34186807

Author Closing Comment

ID: 34396812

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