32 lines
2.1 KiB
Markdown
32 lines
2.1 KiB
Markdown
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# Wintun Network Adapter
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### TUN Device Driver for Windows
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This is a layer 3 TUN driver for Windows 7, 8, 8.1, and 10. Originally created for [WireGuard](https://www.wireguard.com/), it is intended to be useful to a wide variety of projects that require layer 3 tunneling devices with implementations primarily in userspace.
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## Build Requirements
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- [Visual Studio 2017](https://visualstudio.microsoft.com/downloads/)
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- [Windows Driver Kit for Windows 10](https://docs.microsoft.com/en-us/windows-hardware/drivers/download-the-wdk)
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## Digital Signing
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Digital signing is integral part of the build process. By default, the driver will be test-signed using a certificate that the WDK should automatically generate. To subsequently load the driver, you will need to put your computer into test mode by executing as Administrator `bcdedit /set testsigning on`.
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If you possess an EV certificate for kernel mode code signing you should switch TUN driver digital signing from test-signing to production-signing by authoring your `wintun.vcxproj.user` file to look something like this:
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```xml
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<SignMode>ProductionSign</SignMode>
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<CrossCertificateFile>$(WDKContentRoot)CrossCertificates\DigiCert_High_Assurance_EV_Root_CA.crt</CrossCertificateFile>
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<ProductionCertificate>CN=WireGuard LLC, O=WireGuard LLC, L=Boulder, S=Colorado, C=US, SERIALNUMBER=4227913, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.2=Ohio, OID.1.3.6.1.4.1.311.60.2.1.3=US | DF98E075A012ED8C86FBCF14854B8F9555CB3D45</ProductionCertificate>
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</PropertyGroup>
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</Project>
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```
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Modify the `<CrossCertificateFile>` to contain the full path to the cross-signing certificate of CA that issued your certificate. You should be able to find its `.crt` file in `C:\Program Files (x86)\Windows Kits\10\CrossCertificates`. Note that the `$(WDKContentRoot)` expands to `C:\Program Files (x86)\Windows Kits\10\`.
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If you already have `wintun.vcxproj.user` file, just add the `<PropertyGroup>` section.
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