Auth0.AuthenticationApi v7.15.0 NuGet package used in .NET Core 3.1. Using Resource Owner Grant Flow. I get the following error: Signature algorithm of “RS256” is not supported. Expected the ID token to be signed with “HS256”. when calling: await client.GetTokenAsync(tokenRequest). If it help…

Sorry for the double post - the following link worked for me after all. If you run into this problem - keep the last post in mind, this seems to only work for machine-to-machine. The other thing to keep in mind here is that the .NET param really isn’t used and is misleading - HS256 vs RS256 is set …

Signature Algorithm of "RS256" is Not Supported Err Msg .NET Auth0 NuGet Package

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tyf May 6, 2022, 12:18am 4

Hi there @v_auth welcome to the community!

Just out of curiosity - What’s the reason for wanting to use HS256? RS256 is generally encouraged across the board, see:

Let us know and we can go from there

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Signature Algorithm of "RS256" is Not Supported Err Msg .NET Auth0 NuGet Package

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