Tag Archives: Auth0

Securing an Angular app which uses multiple identity providers

August 2, 2021 · by · in angular, OAuth2, Security · 3 Comments

Sometimes Angular applications are required to authenticate against multiple identity providers. This blog post shows how to implement an Angular SPA which authenticates using Auth0 for one identity provider and also IdentityServer4 from Duende software as the second. The SPA can logout from both of the identity providers individually and also revoke the refresh token […]

Verify vaccination data using Zero Knowledge Proofs with ASP.NET Core and MATTR

May 31, 2021 · by · in .NET Core, ASP.NET Core, Security, Self Sovereign Identity, SignalR · 3 Comments

This article shows how Zero Knowledge Proofs ZKP verifiable credentials can be used to verify a persons vaccination data implemented in ASP.NET Core and MATTR. The ZKP BBS+ verifiable credentials are issued and stored on a digital wallet using a Self-Issued Identity Provider (SIOP) and Open ID Connect. The data can then be used to […]

Secure an Angular SPA and an ASP.NET Core API using Auth0

May 24, 2021 · by · in .NET Core, angular, ASP.NET Core, OAuth2, Security · 2 Comments

This article shows how to implement an Angular single page application with an ASP.NET Core API and secured using the Open ID Connect code flow with PKCE and OAuth JWT Bearer tokens to protect the API. The identity provider is implemented using Auth0. The flow uses refresh tokens to renew the SPA session and the […]

Create an OIDC credential Issuer with MATTR and ASP.NET Core

May 3, 2021 · by · in .NET Core, ASP.NET Core, blockchain, OAuth2, Security, Self Sovereign Identity · 6 Comments

This article shows how to create and issue verifiable credentials using MATTR and an ASP.NET Core. The ASP.NET Core application allows an admin user to create an OIDC credential issuer using the MATTR service. The credentials are displayed in an ASP.NET Core Razor Page web UI as a QR code for the users of the […]

Securing multiple Auth0 APIs in ASP.NET Core using OAuth Bearer tokens

April 19, 2021 · by · in .NET Core, ASP.NET Core, dotnet, OAuth2, Security · 2 Comments

This article shows a strategy for security multiple APIs which have different authorization requirements but the tokens are issued by the same authority. Auth0 is used as the identity provider. A user API and a service API are implemented in the ASP.NET Core API project. The access token for the user API data is created […]

Securing Blazor Web assembly using Cookies and Auth0

April 12, 2021 · by · in .NET Core, ASP.NET Core, OAuth2, Security, Web · 5 Comments

The article shows how an ASP.NET Core Blazor web assembly UI hosted in an ASP.NET Core application can be secured using cookies. Auth0 is used as the identity provider. The trusted application is protected using the Open ID Connect code flow with a secret and using PKCE. The API calls are protected using the secure […]