Basic Implementation of W3C Verifiable Credential specificationI’ve recently implemented the basics of the W3C verifiable credential specificationMay 30, 2023May 30, 2023
My own Decentralised Identifier (DID) implementationW3C has approved the decentralised identifiers (DID) specification on late June this year. DID is considered as one of the pillars in…Oct 11, 2022Oct 11, 2022
How to register a custom serializer for chaincode in Hyperledger FabricRecently, I come across an issue where Fabric chaincode throws a NullPointerException as follows when try to return an ArrayList<String>Nov 16, 2021Nov 16, 2021
Reused key vulnerability in One-time pad for CTFYesterday, I participated in a beginners CTF competition organized by the MonSec. One challenge was to find the flag given two ciphertexts…Mar 29, 2020Mar 29, 2020
Face Detection — OpenCV 3.4.0 with Python 3.xI started to watch Person of Interest again so the surveillance and face detection again :P But this time with python instead of Java.Feb 18, 2018Feb 18, 2018
msf4j-maven-pluginI’ve created an simple maven plugin which can be used to run a MSF4J service with a single command.Sep 16, 2017Sep 16, 2017
Hello BallerinaBallerina an interpreted, general purpose, concurrent, and strongly typed programming language with both textual and graphical syntaxes. It…Feb 21, 2017Feb 21, 2017
Encrypt password-persist file in WSO2When you enable cipher-tool in WSO2 products you need to provide the keystore password when starting the server. For that you have 3…Dec 6, 2016Dec 6, 2016
WSO2 Microservices Framework for Java (WSO2 MSF4J) 2.1.0 ReleasedWe are pleased to announce the release of WSO2 Microservices Framework for Java (WSO2 MSF4J) 2.1.0. The distribution, source and tag…Nov 8, 2016Nov 8, 2016
