Java Security by Harpreet Sethi

By Harpreet Sethi

The realm large net has develop into a advertisement venue for corporations, therefore elevating the stakes for safety. an easy defense oversight can rate an organization hundreds of thousands of bucks! Java is the main accepted programming language on the net. Java safeguard grants the keys to preserving your site and fighting a disastrous assault in your company. This publication might help you propose, layout, and enforce safe purposes that may be used on any platform.

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The Java 2 fine-grained access control model contains a configurable security policy that caters to both Web developers and users. Developers can provide applet capability to their users, and users can limit these capabilities depending on the trust level of the source location on the Java code. 2 provides the least privileges for system resources. The security policy determines which resource access is permitted to an applet based on the source of the code and the identities of the signers of the code.

Moreover, if the concerned program was placed on the server, there was a long time interval between the submission of a customer query and the result of the query being displayed on the Web page. Wouldn’t it be much easier and require less overhead if executable programs could be placed on the Web page itself? However, here comes the security factor. If programs are placed on Web pages, there is a risk of viruses being downloaded when 13 14 Part I INTRODUCTION TO JAVA SECURITY you load the specified Web page in the browser or execute the program on your computer.

The cryptographic functionality refers to protecting data using basic cryptographic functions and algorithms. The JCA also includes signature-generation algorithms for signing data and code. APIs for handling keys and certificates are also a part of the JCA. The JCA is also called the provider architecture. Its design enables the separation of the cryptographic design from the implementation. Therefore, vendors have the independence of specifying their customized implementation for the various tools and APIs supported by the JCA.

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