Book Image

Java 9: Building Robust Modular Applications

By : Dr. Edward Lavieri, Peter Verhas, Jason Lee
Book Image

Java 9: Building Robust Modular Applications

By: Dr. Edward Lavieri, Peter Verhas, Jason Lee

Overview of this book

Java 9 and its new features add to the richness of the language; Java is one of the languages most used by developers to build robust software applications. Java 9 comes with a special emphasis on modularity with its integration with Jigsaw. This course is your one-stop guide to mastering the language. You'll be provided with an overview and explanation of the new features introduced in Java 9 and the importance of the new APIs and enhancements. Some new features of Java 9 are ground-breaking; if you are an experienced programmer, you will be able to make your enterprise applications leaner by learning these new features. You'll be provided with practical guidance in applying your newly acquired knowledge of Java 9 and further information on future developments of the Java platform. This course will improve your productivity, making your applications faster. Next, you'll go on to implement everything you've learned by building 10 cool projects. You will learn to build an email filter that separates spam messages from all your inboxes, a social media aggregator app that will help you efficiently track various feeds, and a microservice for a client/server note application, to name just a few. By the end of this course, you will be well acquainted with Java 9 features and able to build your own applications and projects. This Learning Path contains the best content from the following two recently published Packt products: • Mastering Java 9 • Java 9 Programming Blueprints
Table of Contents (33 chapters)
Title Page - Courses
Packt Upsell - Courses
Taking Notes with Monumentum

Creating PKCS12 keystores

The Java 9 platform provides increased security for keystores. In order to appreciate the changes ushered in by Java Enhancement Proposal 229, create PKCS12 keystores by default, we will first review the concept of keystores, look at the KeyStore class, and then look at the changes.

Keystore primer

The concept of a KeyStore is relatively simple. It is essentially a database file, or data repository file, that stores public key certificates and private keys. The Keystore will be stored in the /jre/lib/security/cacerts folder. As you will see in the next section, this database is managed by Java's class methods.

KeyStore features include:

  • Contains one of the following entry types:
    • Private keys
    • Public key certificates
  • Unique alias string names for every entry
  • Password protection for each key

Java Keystore (JKS) is the storage facility for cryptographic keys and certificates. This class extends java.lang.Object, see as follows...