December 2002
Intermediate to advanced
1050 pages
24h 49m
English
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Java Security Classes
To explain the implementation of Java security we must first understand several key terms. Java system security, in a nutshell, is concerned with protection domains as implemented by the java.security.ProtectionDomain class. A protection domain associates a code source (java.security.CodeSource) with a principal (java.security.Principal) and also associates a code source with a set of permissible actions (java.security.Permission) (see Figure 8-1).
A code source (CodeSource) represents the location where the code was loaded, what is commonly known as a codebase (java.net.URL). This could be a local file system or a network location. Associated with the code source are principals represented by the security certificates. ...
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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.
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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.