JDK 1.2 Security Model
Among some features the followings are included
The least-privilege principle by automatically intersecting the sets of permissions granted to protection domains.
Underlying platform independent security features.
Does not override the protection mechanisms of the underlying operating system
The Java Cryptography Extension (JCE) extends the JDK to include APIs for encryption, key exchange, and message authentication code (MAC). Together the JCE and the cryptography aspects of the JDK provide a complete, platform-independent cryptography API.
JDK 1.2 Software includes
- Certificate support (X.509 v1,2,3)
- Support for Secure Socket Layer (SSL) v3.0
- Code-signing support (keytool, jarsigner) and Policy Tool to define security policy.