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Created attachment 2921 [details] dll where AuthenticodeDeformatter failed to read signature timestamp I am using AuthenticodeDeformatter in one of my projects. It works perfectly in most of the scenarios, but I have couple of valid binaries of which signature timestamp is not recognized by the AuthenticodeDeformatter. I have analyzed the code and figured out that the issue lies in this portion of code: private bool VerifyCounterSignature (PKCS7.SignerInfo cs, byte[] signature) { if (cs.Version != 1) return false; ......... } This particular check works for most of the binaries, but I had encountered some binaries in which the Version is 0, yet the Win32 APIs are able to get the TimeStamp correctly. Attaching one of the binaries.
Fixed in master: 558b532f5f2166af79d52af932ee34e471437dfd mono-2-10: e2ea8f460a3c7b786334cf03c643215a821de763 Thanks for the test case!