Ejemplo n.º 1
0
        // call WinTrust.WinVerifyTrust() to check embedded file signature
        public static bool VerifyEmbeddedSignature(string fileName)
        {
            WinTrustFileInfo     wtfi       = new WinTrustFileInfo(fileName);
            WinTrustData         wtd        = new WinTrustData(wtfi);
            Guid                 guidAction = new Guid(WINTRUST_ACTION_GENERIC_VERIFY_V2);
            WinVerifyTrustResult result     = WinVerifyTrust(INVALID_HANDLE_VALUE, guidAction, wtd);
            bool                 ret        = (result == WinVerifyTrustResult.Success);

            wtfi.Dispose();
            wtd.Dispose();
            return(ret);
        }
Ejemplo n.º 2
0
        // constructor for silent WinTrustDataChoice.File check
        public WinTrustData(WinTrustFileInfo _fileInfo)
        {
            // On Win7SP1+, don't allow MD2 or MD4 signatures
            if ((Environment.OSVersion.Version.Major > 6) ||
                ((Environment.OSVersion.Version.Major == 6) && (Environment.OSVersion.Version.Minor > 1)) ||
                ((Environment.OSVersion.Version.Major == 6) && (Environment.OSVersion.Version.Minor == 1) && !String.IsNullOrEmpty(Environment.OSVersion.ServicePack)))
            {
                ProvFlags |= WinTrustDataProvFlags.DisableMD2andMD4;
            }

            WinTrustFileInfo wtfiData = _fileInfo;

            FileInfoPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(WinTrustFileInfo)));
            Marshal.StructureToPtr(wtfiData, FileInfoPtr, false);
        }