Fix invalid id token issue in WSO2 Identity Server 5.11.0
You might come across id token validation issues in the Wso2 Identity Server 5.11.0. This article discusses possible fixes. …
Author: Theviyanthan Krishnamohan
Tech geek, cricket fan, failing 'writer', attempted coder, and politically incorrect.
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Build a multi-class classification neural network in R in fifty lines of code
The R language allows for rapid prototyping of machine learning and neural network models. Having learned to create neural networks using Python, I found prototyping neural networks using R to be quick and easy. Even…
Leveraging web workers to safely store access tokens
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We use web workers to offload resource-intensive tasks to a background thread in a web app. But did you know we can also use them to safely store access tokens? This article discusses how it…
Securely receiving authorization code in SPAs using form_post
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If you have used the OIDC protocol to implement single sign-on, you would be used to receiving the authorization code as a query parameter from the identity server. However, did you know that receiving the…
Configuring Azure Active Directory as a federated IdP in WSO2 Identity Server using SAML
WSO2 Identity Server allows you to integrate Azure Active Directory as a federated identity provider out of the box using the OIDC protocol. However, there may be times you may want to integrate Azure Active…
How we built a frontend app for WSO2 Identity Server with React
WSO2 Identity Server has always been known for its technical brilliance and feature richness. But that wasn’t enough to satiate us. In order to provide an unparalleled user experience, we wanted to add one more…
Asgardio OIDC JS SDK: Bootstrap in three easy steps
Asgardio OIDC JavaScript SDK allows developers to implement OIDC authentication in their Single Page Applications in a fast and secure manner, especially when using the WSO2 Identity Server as the Identity Provider. The SDK offers three…
Concurrent programming using Python’s Async IO
Python’s Async IO has made writing concurrent applications a breeze. This article explores how Async IO can be used to achieve concurrency in Python.…
Photo by Andrea Piacquadio on Pexels.com CIAM and common misconceptions
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The C in CIAM stands for the customer; this means that a business that wants to attract and retain customers should ensure that customer needs are met first. This post discusses some common mistakes we,…
CICD for frontend with Firebase and GitHub Actions
GitHub Actions has made CICD easy. Couple it with the free hosting service offered by Firebase, you have a fully functional CICD pipeline ready for your frontend app completely free in no time. As frontend…
Prevent useEffect’s callback firing during initial render
React’s useEffect hook has indeed made life a lot easier. But there are times when you would most certainly miss the fine-grained control class-based components give you over a component’s lifecycle. One such time is when you…
How does TOTP authentication work?
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Unless you have been living under a rock, you would be very used to authenticating yourself using an authenticator app on your mobile phone. But have you ever wondered how an online service is able…
How does HOTP authentication work?
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Before smartphones were popular, hardware tokens that produced an HOTP code were a popular way of performing two-factor authentications. Businesses gave their customers a small electronic device that generated a number when a button was…
What is HMAC and how does it work?
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HMAC stands for Hash-based Message Authentication Code or Keyed-hash Message Authentication Code. We use it to verify the authenticity and integrity of data transmitted. Here, authenticity is ensuring that the data was indeed sent by…
Jest for a Typescript-based React app
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I recently had to install and configure Jest in a React app written using Typescript and ran into quite a few roadblocks. So, I thought of detailing the steps I followed to overcome the difficulties.…
Fix React Issues in Lerna using Yarn Workspaces
Lerna comes to our rescue when we are to manage multiple inter-dependent packages within a repository. Have a package that is a dependency of another and you don’t want to waste time building the dependency,…