Get Expert Oracle and Java Security: Programming Secure Oracle PDF

By David Coffin

ISBN-10: 1430238313

ISBN-13: 9781430238317

Professional Oracle and Java safeguard: Programming safe Oracle Database purposes with Java presents assets that each Java and Oracle database program programmer must make sure that they've got guarded the safety of the knowledge and identities entrusted to them. you are going to learn how to think of capability vulnerabilities, and to use most sensible practices in safe Java and PL/SQL coding. writer David Coffin indicates the right way to increase code to encrypt info in transit and at relaxation, to complete unmarried sign-on with Oracle proxy connections, to generate and distribute two-factor authentication tokens from the Oracle server utilizing pagers, mobile phones (SMS), and electronic mail, and to safely shop and distribute Oracle software passwords. Early chapters lay the basis for potent safeguard in an Oracle/Java setting. all of the later chapters brings instance code to some degree the place it can be utilized as-is to deal with software defense concerns. Templates for functions also are supplied that will help you convey colleagues as much as a similar safe software criteria. while you're much less acquainted with both Java or Oracle PL/SQL, you won't be left in the back of; the entire techniques during this publication are brought as to a amateur and addressed as to a professional.

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We are synchronizing on a blank String named synchOnThis. It is a static class member. Let me point out how we might capitalize on this synchronization arrangement. Let’s say we have an additional method in this same class that we need to debug. We can add identical try/finally blocks and debugging in that second method, again synchronizing on the synchOnThis member. , someone in our first method cannot have access to the file while someone in the second method has synchronized on it. If you want to debug a method in a different class to this same file, you can synchronize on the same static member, synchOnThis in this class.

In your CLASSPATH will not fix this gotcha, because the mypkg directory is not in the current directory, rather we are in mypkg. Remember, CLASSPATH (even dot) is merely a list of starting places for packages. class. One way to correct that gotcha is to change directories to the parent of mypkg. ) in your CLASSPATH will find the referenced code in the mypkg directory. java That is a valid approach, but probably the best way to address this issue is to have a development directory (like javadev) and to place all your package directories underneath that directory.

GetArray(); myRef = new MyRef(); } Objects The words object, class, and instance are practically interchangeable. You have classes (theoretically) before you create any instances. An instance only exists when you instantiate a new one in memory. You have objects that you can move around and store even if you don’t know what type they are. Objects can be placed on disk or sent across the network, even when they don’t exist as instances in memory. So, you create an instance in memory of a class type, which is an object that can be moved out of memory (stored on disk), at which point it is not an instance, but can still exist as an object.

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Expert Oracle and Java Security: Programming Secure Oracle Database Applications With Java by David Coffin

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