Code Trips & Tips

Adventures in developing distributed systems in Java and Python

How to Make Verified GitHub Commits

December 25, 2021

Created by M. Massenzio, 2021-12-24 GitHub has a set of detailed instructions, however, if you know your way around a Linux shell and basic understanding of how keys work, this is a condensed TL;DR version. Also, with minimal effort it could be automated in a shell script (even uploading the key to GitHub via API). … More How to Make Verified GitHub Commits

Modern C++: Implementing a Merkle Tree

August 2, 2020

Merkle Trees store a hash of the sub-tree in each of the Nodes, so that the whole tree’s contents can be validated against tampering.They are used, for example, in Bitcoin’s blockchain, and in Cassandra to validate replicas.In this article, we will show how to implement a generic Merkle Tree using features of Modern C++. Previous … More Modern C++: Implementing a Merkle Tree