In this article, we will learn how to generate an X.509 certificate with a private and public key using PowerShell. The X.509 certificate is used for authentication for many scenarios, such as IoT devices or any other type of client-to-server or server-to-client authentication.
In this article we are considering the scenario of an IoT device being authenticated with the help of a generated X.509 certificate.
What is use of X.509 Certificate?
Step 1: Copy the PowerShell ScriptCopy the following PowerShell script and save it on your PC storage location as GenerateTestCertificate. or whatever name you wish, just make sure you have saved the file with an extension . ps1.
Step 2: Open the PowerShell ISE
Step 3: Change The Directory
Step 4: Load GenerateTestCertificate.ps1 File
- These certificates are only for testing purposes, don’t use for the production.
- Please buy the certificates from the respective device certificate authority for production requirement.