The OWASP Top 10 (Open Web Application Security Project) is a standard awareness document for web applications security. It is globally recognized by developers as the first step towards more secure coding. In this article, we’ll explore the top 10 risks, understand why they’re dangerous, and where applicable look at Read more…
This comprehensive guide will walk you through the process of setting up a Virtual Private Server (VPS) from scratch, covering initial access, user management, security measures, and software installation. Local Creation of an SSH Key Pair On your local machine, open a terminal and create a new SSH key pair: Read more…
This document outlines the structure and implementation of the dev.algo.routine full stack application backend. Specifically, this document addresses how to build and test the monolithic application backend using SpringBoot. Initial Prototype Backend Backend Setup Set up Spring Boot project Configure PostgreSQL database Setting up a robust database is crucial for the application. Read more…
This post details the architecture of the Routine App, starting from the goals, and diving into the tech stack, development stages and strategies to ensure the project can be implemented with high-quality standards. Project Overview Goals Showcase abilities in Java, Cloud, and TypeScript. Build a minimal app with low code, Read more…
The Routine App is an ambitious project aimed at creating a productivity tool while showcasing advanced software development skills. This article outlines the primary goals, and key features of the Routine App, setting the foundation for the entire development process. This case study will take you through the entire process Read more…
This article aims to provide a comprehensive understanding of API Gateways, their benefits, and practical implementation strategies, with a focus on Java-based solutions. Introduction An API Gateway is an abstraction layer representing a single entry-point for a system providing multiple services. In the world of microservices and distributed systems, API Read more…
In this post we provide the definition of finite groups and we show a few examples meaningful for cryptography and blockchain Def. Finite Groups Def. A group is a set together with an operation combining two elements of , which satisfies the following properties: Closeness: The group operation is closed: Read more…
This post is a collection of basic topics needed for a proper understanding of Cryptography. Cryptographic Systems Primal goal: allow two people to exchange confidential information even if they can only communicate via a channel monitored by an adversary Symmetric Cryptosystem A 5-tuple Where are sets of possible keys, messages, Read more…
Spring Data JPA simplifies database interactions in Java applications, by managing the complexity of object-relational mapping (ORM). At the hearth of this feature are annotation mapping Java objects to DB tables. In this reference, I explain how to use annotations such as @Entity, @Table, @Column, @Id, @ManyToOne, and more, using Read more…
A Binary Search Tree (BST) is a Binary Tree data structure with nodes ordered according to the following property: For each node with a key K, all the left children have values lesser than K, and the right children greater than K. BSTs allow fast lookup, addition, and removal of Read more…