| Publisher | JupiterMedia Corporation | ||
|---|---|---|---|
| Format | HTML | Date added | 12 May 1999 |
| Topics | Java, Security Applications | ||
| Downloads | 19 | ||
In early Java incarnations, untrusted code was constrained to a security sandbox. Code signing was added to the security toolbox in 1997 with the introduction of JDK 1.1. Together, sandboxing and signatures make for a powerful approach to securing untrusted code. However, even with code signing, the JDK 1.1 trust model is black and white; that is, code is either completely trusted or completely untrusted. Java 2 changes all that by allowing fine-grained security policy and access control enforcement. The access control system in Java 2 is built around the concept of stack inspection.
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