By David Hook
Whereas cryptography can nonetheless be a arguable subject within the programming group, Java has weathered that hurricane and gives a wealthy set of APIs that let you, the developer, to successfully contain cryptography in applications-if you recognize how.
This booklet teaches you ways. Chapters one via 5 disguise the structure of the JCE and JCA, symmetric and uneven key encryption in Java, message authentication codes, and the way to create Java implementations with the API supplied by way of the Bouncy fort ASN.1 applications, all with lots of examples. development on that beginning, the second one 1/2 the booklet takes you into higher-level issues, allowing you to create and enforce safe Java purposes and utilize usual protocols comparable to CMS, SSL, and S/MIME.
What you are going to research from this e-book the best way to comprehend and use JCE, JCA, and the JSSE for encryption and authentication The ways that padding mechanisms paintings in ciphers and the way to identify and fasten average mistakes An realizing of the way authentication mechanisms are carried out in Java and why they're used tools for describing cryptographic gadgets with ASN.1 easy methods to create certificates revocation lists and use the web certificates prestige Protocol (OCSP) Real-world net strategies utilizing Bouncy fortress APIs
Who this booklet is for
This e-book is for Java builders who are looking to use cryptography of their purposes or to appreciate how cryptography is getting used in Java purposes. wisdom of the Java language is important, yet you needn't be accustomed to any of the APIs discussed.
Wrox starting guides are crafted to make studying programming languages and applied sciences more straightforward than you're thinking that, supplying a established, instructional structure that may advisor you thru all of the recommendations concerned.
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Extra info for Beginning Cryptography with Java
If you are installing these on a Linux, or some other Unix variant, you need to make sure you install the policy files in the Java runtime you are using, and you will probably need root access or the assistance of a root user to do so, unless you have installed a personal runtime of your own. If you are installing on Windows, you also need to be extra careful about installing the policy files, as the default install for the JDK installs a runtime for the JDK and a separate JRE, which will normally appear under C:\Program Files\Java.
However, no one is perfect, and mistakes do occur. If you find an error in one of our books, like a spelling mistake or faulty piece of code, we would be very grateful for your feedback. By sending in errata you may save another reader hours of frustration, and at the same time, you will be helping us provide even higher-quality information. com and locate the title using the Search box or one of the title lists. Then, on the book details page, click the Book Errata link. On this page you can view all errata that has been submitted for this book and posted by Wrox editors.
Now, following the announcement of the Advanced Encryption Standard (AES), your general preference should be to use AES. You will look at some other algorithms a bit later; however, a lot of work went into the development and selection of AES. It makes sense to take advantage of it, so AES is what you’ll use in this example. toHex(plainText) + “ bytes: “ + ptLength); } } Readers who also spend their time browsing through the NIST FIPS publications may recognize this as one of the standard vector tests for AES in FIPS-197.
Beginning Cryptography with Java by David Hook