Michel Schudel | Devoxx

Devoxx UK 2019
from Wednesday 8 May to Friday 10 May 2019.

Michel Schudel has been a passionate Java developer since 1998, building various Java solutions for banks, insurance companies and telecom providers. Since then he has seen the good, the bad and the ugly in Java land. He loves agile development and coding with frameworks like SpringBoot to get up-and-running as fast as possible. Futhermore, he likes to coach junior developers in Core Java. Michel is currently working for Dutch Railways in the Netherlands.

See also http://craftsmen.nl

Cryptography 101 for Java developers

Conference

So you're logging in to your favorite crypto currency exchange over https using a username and password, executing some transactions, and you're not at all surprised that, security wise, everything's hunky dory...

The amount of cryptography to make all this happen is staggering. In order to appreciate and understand what goes on under the hood, as a developer, it's really important to dive into the key concepts of cryptography .

In this session, we discover what cryptography actually is, and will use the JCA (Java Cryptography API) en JCE (Java Cryptography Extensions) in the JDK to explain and demo key concepts such as:

  • Message digests (hashing)
  • Encryption, both symmetric and asymmetric
  • Digital signatures, both symmetric and asymmetric

Furthermore, we'll show how these concepts find their way into a variety of practical applications such as:

  • https and certificates
  • salted password checking
  • block chain technology

After this session, you'll have a better understanding of basic cryptography, its applications, and how to use the cryptography APIs in Java.

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