Monthly Archives: October 2025

Use swiyu, the Swiss E-ID to authenticate users with Duende and .NET Aspire

October 27, 2025 · by · in .NET, .NET Core, ASP.NET Core, aspire, e-id, OAuth2, OpenId, Security, Self Sovereign Identity, Uncategorized · 3 Comments

This post shows how to authenticate users using Duende IdentityServer and ASP.NET Core Identity which verifies identities (verifiable digital credentials) using the Swiss Digital identity and trust infrastructure (swiyu). The swiyu infrastructure is implemented using the provided generic containers which implement the OpenID for Verifiable Presentations standards as well as many other standards for implementing […]

Implement a secure MCP OAuth desktop client using OAuth and Entra ID

October 16, 2025 · by · in .NET, .NET Core, ASP.NET Core, Azure, Entra CIAM, MCP, Microsoft Entra External ID, Microsoft Entra ID, OAuth2, Open AI, Security · 1 Comment

The article demonstrates how to implement a secure MCP OAuth desktop client using Microsoft Entra ID. The MCP server is built with ASP.NET Core and secured using Microsoft Entra ID. The MCP client is a .NET console application that must acquire an OAuth access token to interact with the MCP server. Code: https://github.com/damienbod/McpSecurity Setup A […]