You can find a full explanation on scottbrady91.com.
To view the old codebase for Apple's original OpenID Connect/not OpenID Connect implementation, check out the v1 tag.
Example integration of "Sign In with Apple" (SIWA) in ASP.NET Core
https://www.scottbrady91.com/OpenID-Connect/Implementing-Sign-In-with-Apple-in-ASPNET-Core
You can find a full explanation on scottbrady91.com.
To view the old codebase for Apple's original OpenID Connect/not OpenID Connect implementation, check out the v1 tag.
Example integration of "Sign In with Apple" (SIWA) in ASP.NET Core
https://www.scottbrady91.com/OpenID-Connect/Implementing-Sign-In-with-Apple-in-ASPNET-Core
MIT License