TOTP (time-based one-time password) authenticator in C# (.Net)
Last updated on October 2, 2016, 23:19 by Sebastian Mihai
Here is a simple Windows console application TOTP authenticator, which will generate 6-digit authentication codes that you can use on sites which use multi-factor authentication.

I wrote it mainly for use with GitHub's 2FA (2-factor authentication). My main reason was that I wanted to avoid giving GitHub my phone number, installing apps on my phone, or relying on a third party authenticator.

This authenticator relies solely on standard .Net classes.


Downloads


executable - (Windows console application) use this to generate your own 6-digit authentication codes. Put your secret in a file called secret.txt in the same directory as the executable

source - the source code package, available as a Visual Studio solution
If you use the materials on this page, or any other page on this web site, you do so at your own risk. They are provided "as is". No warranty is provided or implied. I neither guarantee that the materials will work, nor that they will not be harmful in any way.

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TOTP (time-based one-time password) authenticator in C# (.Net)

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