September 2003
Intermediate to advanced
464 pages
12h 22m
English
book
J2EE™ Security for Servlets, EJBs and Web Services: Applying Theory and Standards to Practice
by Pankaj Kumar
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Cryptographic Services and Providers
In Java API terminology, cryptographic services are programming abstractions to carry out or facilitate cryptographic operations. Most often, these services are represented as Java classes with names conveying the intent of the service. For example, digital signature service, represented by java.security.Signature class, creates and verifies digital signatures. However, not all services are directly related to cryptographic operations. Take the functionality to create certificates. This is provided as a certificate factory service through service class java.security.cert.CertificateFactory.
An instance of a service is always associated with one of many algorithms or types. The algorithm determines the specific ...
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O’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.
I 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.
I’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.
I'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.