How can I get the Digital Signature from dll file, .NET reflection possible?

th开发者_高级运维e digital signature could be found by, r.click on dll file, or any other file -> select digital signature tab.

How can i do it by c sharp code? the reason of this tool is to test that all the files have the signature.

If you mean Authenticode signature of PE format (Windows EXE and DLL files), then you can do this using Authenticode components of SecureBlackbox. Unfortunately, CAB and CAT file signatures are not supported at the moment.