[Mono-dev] Checking Validity/Reputation of a Digital Signature File

jaysonp jaysonpryde at gmail.com
Tue Sep 18 13:45:52 UTC 2012

Sebastien Pouliot wrote
> A cert file is not a signature - but it is a signed structure.
> Checking the signature of a .cer file is rather easy (see X509Chain
> class) but it only tells you about the certificate itself, not what it
> (e.g. files) could have signed.

I am not planning to check the signature of a .cer file. What I am trying to
do is verify/check for the actual digital signature of a file (e.g. an EXE
file) for its reputation. I just thought that .cer file is the exported
version of a digital signature.

For example, WINWORD.EXE has a digital signature, right? I want to
dump/export that digital signature to a file and check it if it's still
reputable (i.e. not tampered, etc).

I am not very well versed on digisigs and certs but I hope I am making
Thanks again!

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