[cap-talk] Language-based safety - notes and meat)

Jonathan S. Shapiro shap at eros-os.org
Sun Nov 14 12:01:50 EST 2004


On Sun, 2004-11-14 at 11:49, Mark Miller wrote:
> I waive that request. If E were implemented in C, E's security would not 
> depend on C's non-existent security. It had better not! For the current 
> E-on-Java implementation, Java is just an implementation language, like C 
> would be. E-on-Java's security depends no more on Java's security than an 
> E-on-C's implementation would depend on C's.

Umm. Mark? You *do* know that the JVM can be beaten, don't you?

> So, regarding a security challenge, the current E-on-Java is the right target. 
> And besides, E-on-Java exists now. A target in the hand is worth two in the 
> bush, or something. Please fire away.

I'm not saying that E-on-Java is the wrong target. I'm saying that we
should focus our attention on flaws in E rather than flaws in the JVM.
This is especially true if it is expected that the JVM is an interim
solution rather than a long term commitment (I'm not clear whether the
last is your intention).

shap



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