Skip to Content
Java Cryptography
book

Java Cryptography

by Jonathan Knudsen
May 1998
Intermediate to advanced
362 pages
10h 8m
English
O'Reilly Media, Inc.
Content preview from Java Cryptography

Navigator

The steps involved in creating a signed applet are similar for other browsers. It’s the details of each step that differ severely. Netscape Navigator also recognizes JAR files, but it can’t recognize signatures produced by javakey. Similarly, HotJava is unable to recognize signatures intended for Navigator.

Prepare a Signer

To sign an applet for Navigator, you must have an appropriate signing certificate in Navigator’s database. You can purchase such a certificate from a Certificate Authority (CA). I bought a “Class 2 Digital ID” from VeriSign (see http://www.verisign.com/) for $19.95. I can use this certificate to sign code; it lasts for one year. You should be aware that VeriSign isn’t the only game in town. There are plenty of CAs in the world. I just used VeriSign because they’ve made it convenient to buy certificates on the Web. VeriSign has streamlined the process of getting a certificate; it’s fairly easy to give them your 20 bucks and get a certificate in return. Behind this simple process is a lot of legal documentation. If you’re serious about using your certificate, you should read all of it.

VeriSign offers two classes of certificates for code signing :

  • Class 2 certificates, for individual software developers, cost $20 per year. VeriSign does some quick automated checks on the information you give them and can issue a certificate within five minutes of receiving your information.

  • Class 3 certificates, for software development companies, cost $400 per year. VeriSign ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Hands-On Cryptography with Java

Hands-On Cryptography with Java

Erik Costlow
Java Security Handbook

Java Security Handbook

Jamie Jaworski, Paul J. Perrone, Venkata S.R. Krishna Chaganti

Publisher Resources

ISBN: 1565924029Errata Page