.NET Universal 2nd Factor (U2F)
U2F is being depratcated in favor of FIDO2. A dotnet version can be found here https://github.com/passwordless-lib/fido2-net-lib This repository provides functionality for working with the server side aspects of the U2F protocol on .NET core framework.
Working Demo Site
https://bfoster.me/U2FDemo/DemoHome
NuGet page
https://www.nuget.org/packages/U2F.Core
Original source JAVA library is located below
https://github.com/Yubico/java-u2flib-server
Useful links
- https://www.yubico.com/products/yubikey-hardware/fido-u2f-security-key/
- https://developers.yubico.com/U2F/
- https://fidoalliance.org/
License
MIT License
Copyright (c) 2021 Bryce Foster
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.