Tag Archives: x509

Provision Azure IoT Hub devices using DPS and X.509 certificates in ASP.NET Core

This article shows how to provision Azure IoT hub devices using Azure IoT hub device provisioning services (DPS) and ASP.NET Core. The devices are setup using chained certificates created using .NET Core and managed in the web application. The data is persisted in a database using EF Core and the certificates are generated using the […]

Implement certificate authentication in ASP.NET Core for an Azure B2C API connector

This article shows how an ASP.NET Core API can be setup to require certificates for authentication. The API is used to implement an Azure B2C API connector service. The API connector client uses a certificate to request profile data from the Azure App Service API implementation, which is validated using the certificate thumbprint. Code: https://github.com/damienbod/AspNetCoreB2cExtraClaims […]

Using Key Vault certificates with Microsoft.Identity.Web and ASP.NET Core applications

This post shows how Azure Key Vault certificates can be used with Microsoft.Identity.Web in an ASP.NET Core application which requires a downstream “access_as_user” API. The Microsoft Entra ID App Registrations requires a certificate instead of a client secret. Code: https://github.com/damienbod/MicrosoftEntraIDAuthMicrosoftIdentityWeb Posts in this series History 2023-11-28 Updated to .NET 8 Creating the Key Vault certificates […]

Securing Azure Functions using certificate authentication

This article shows how to secure Azure Functions using X509 certificates. The client is required to send a specific certificate to access the Azure Function. Code: https://github.com/damienbod/AzureFunctionsSecurity History Blogs in the series Setup the Azure Function to require certificates A Dedicated (App Service) plan is used, so that certificates can be set to required for […]

Using Certificates from Azure Key Vault in ASP.NET Core

This post shows how you can create and use X509 certificates in Azure Key Vault. The certificates are created using Azure CLI and are used inside an ASP.NET Core application. Code: StsServerIdentity/Services/Certificate Setup using Azure CLI Azure CLI can be used to setup the Azure Key Vault and also create certificates for an existing Key […]

Provisioning X.509 Devices for Azure IoT Hub using .NET Core

This article shows how Azure device provisioning service can be used to setup an Azure IoT Hub and provision devices using X.509 certificates in an enrollment group. The certificates are created using the Nuget package CertificateManager. By using this package, the X.509 certificates can be created in .NET Core and created on the fly as […]

Create Certificates for IdentityServer4 signing using .NET Core

This article shows how to create certificates for an IdentityServer4 application to use for signing and token validation. The certificates are created using the CertificateManager nuget package. Both RSA and ECDsa certificates can be used for signing in IdentityServer4. Code: Certificates for IdentityServer4 signing using .NET Core Creating the Certificates in .NET Core A simple […]

Creating Certificates in .NET Core for Vue.js development using HTTPS

This article shows how to create development certificates for a Vue.js application, so that you can develop using HTTPS. The certificates are created using the CertificateManager nuget package. Code: CreateAngularVueJsDevelopmentCertificates A simple .NET Core console application is used to create the certificates. This type of application can run on most of the standard operating systems. […]

Creating Certificates for X.509 security in Azure IoT Hub using .NET Core

This article shows how to create certificates in .NET Core which can be used for Azure IoT Hub. The chained certificates are created using the nuget package CertificateManager. Code: https://github.com/damienbod/AspNetCoreCertificates To use X.509 security with Azure IoT Hub, we would like to create chained certificates. This would make it possible to separate devices or group […]