Security Section Index | Page 13

This is a security feature to prevent untrusted applets from displaying what appear like trusted windows. If you sign your applet and the user trusts you, the message will go away.

I've found Inside Java 2 Platform Security by Li Gong, the "father" of Java security to be an excellent reference. For an excellent introduction, try the chapter on Java Security within Core Java ...more

A: The Security Manager is the class maintaining the restrictions of the java virtual machine sandbox. Simply put, it is a subclass of java.lang.SecurityManager that performs runtime permission ch...more

Yes, check out: Cryptix

How do you create a Message Digest with the Java Security API? (Message Digest code example)

There are essentially four aspects of computer security: Aspect Generally achieved by Explanation Effect Confidentiality Encryption Protects message c...more

What is "private key"/"symmetric"/"secret key" cryptography?

What is "public key"/"asymmetric" cryptography?

    Digital Signatures are used to ensure the identity of a sender. In conjunction with Message Digests, Digital Signatures prevents someone from altering a message and falsely claimin...more

    A Message Digest is a digitally created hash (fingerprint) created from a plaintext block. All the information of the message is used to construct the Message Digest hash, but the ...more

Combination of public and private key cryptography, where the exchange of an encrypted session key is done using public key cryptography. The following encrypted session is then pursued with pri...more

The default ClassLoader is sun.misc.Launcher$AppClassLoader (which is fairly irrelevant in itself) which extends java.net.URLClassLoader. The reverse (superclasses below subclasses) inheritance ...more

Get the message content as a byte[]. If coming from a file, read bytes from FileInputStream into ByteArrayOutputStream. Other sources would use similar methods, but remember to not treat content ...more

There are many different ones available, each offering their own feature set. Condensity DashO JCloak ObfuscatePro SourceGuard Zelix KlassMaster more

You cannot. It is part of the security architecture of the Java runtime to ensure never accessing invalid memory space.