Bearer error - invalid_token - The signature key was not found

TL;DR

For "): WWW-Authenticate: Bearer error=": [Muhammad Maaz (top answer)] I was facing the same issue. i was missing the authority..make sure authority and api name is correct now this code in configure services in startup file works for me: ` services.AddAuthentication(IdentityServerAuthenticationDefaults.AuthenticationScheme).AddIdentityServerAuthentication( x => { x.Authority = "YOUR\_HOST (port 5000)"; //idp address x.RequireHttpsMetadata = false; x.ApiName = "api2"; //api name }); ` Context: Stack Overflow #58563661 (top answer, 22 votes, 13 answers): I have an Angular 7 application interf

): WWW-Authenticate: Bearer error=

Steps

1. [Muhammad Maaz (top answer)] I was facing the same issue. i was missing the authority..make sure authority and api name is correct now this code in configure services in startup file works for me:

## When to use

You are seeing this: This is interfacing with Azure Active Directory. Use this skill when you run into "Bearer error - invalid_token - The signature key was not found".

## When not to use

If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.

## Versions

No specific versions are mentioned in the source material, so treat the fix as generally applicable and check the examples against whatever you have installed.

## Why this happens

The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.

Source: Stack Overflow #58563661 (top answer, 22 votes, 13 answers): I have an Angular 7 application interfacing with a .Net Core 2.2 API back-end. This is interfacing with Azure Active Directory. On the Angular 7 side, it is authenticating properly with AAD and I am getting a valid JWT back as verified on jwt.io. On the .Net Core API side I created a simple test API that has [Authorize] on it. When I call this method from Angular, after adding the Bearer token, I am getting (as seen in Chrome Debug Tools, Network tab, "Headers"): WWW-Authenticate: Bearer error="invalidtoken", errordescription="The signature key was not found" With a HTTP/1.1 401 Un

Verified resolution: [Muhammad Maaz (top answer)] I was facing the same issue. i was missing the authority..make sure authority and api name is correct now this code in configure services in startup file works for me: `` services.AddAuthentication(IdentityServerAuthenticationDefaults.AuthenticationScheme) .AddIdentityServerAuthentication( x => { x.Authority = "YOUR_HOST (port 5000)"; //idp address x.RequireHttpsMetadata = false; x.ApiName = "api2"; //api name });

Source URL: https://stackoverflow.com/questions/58563661