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EJB elements operate inside a container environment and rely heavily on the container to give security. The four key services needed for the security are:
1. Identification: In Java security APIs this identifier is define as a principal.
2. Authentication: To show the identity one must present the credentials in the form of password, digital certificate, swipe card, finger prints etc.
3. Authorization (Access Control): Every secured system should limit access to particular users. The common route to enforce access control is by maintaining security privileges and roles.
4. Data Confidentiality: This is performed by encryption of some sort. It is no good to shield your data by authentication if someone may read the password.
The EJB specification services itself exclusively with authorization (access control). An application using EJB may specify in an abstract (declarative) and portable way that is allowed to access business functions. The EJB container accepts the following actions:
Player Ship Appearance: • Your ship must be either a nice-looking sphere (left image above), or a nice-looking sphere with a "mouth" (middle image above), depending on variant.
This project simulates a remote procedure call on a client-server architecture. You will create both the client and the server. The server will maintain a linked list. It must N
Sal?s Pizza wants to install a system to record orders for pizza and Buffalo chicken wings. When regular customers call Sal?s Pizza on the phone, they are asked their phone number.
Develop a desktop application with Lync 2013 Project Description: We want to make desktop application which interfaces to Lync 2013 ? Skills required are .NET, ASP, Java,
1. Write the pseudocode to get the input of 10 integers from the user and add them up and output the total. (4 points) 2. Compute the output of following pseudocode. Assume that
What is Initializing Fields ? Fields can (and often should) be initialized while they're declared, just like local variables. class Car { String licensePlate = ""; // e.g
An application or procedure that produces and/or receives messages.
Explain The Methods of java.lang.Object? java.lang.Object gives a number of methods that are general to all objects. toString() is the most general such method. Because the def
What is heuristic? Heuristic is a procedure which commonly, but not always, works or that provides nearly the right answer.
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