Re: Is There a Visor Security Model?

1999-09-22 Thread Dan Geer
The Palm's security model is, by most accounts I've seen, non-existant. The issue is the lack of memory protection, i.e., that there is no protected space for keying material. Visor is said to use the PalmOS as is, so that is not a magic wand. Of course, if your OS has no memory

Re: Is There a Visor Security Model?

1999-09-22 Thread James H. Cloos Jr.
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 "Bill" == Bill Frantz [EMAIL PROTECTED] writes: Bill The other solution is to run you Palm in "system high" mode, Bill where all applications are trusted. (Since the only application Bill I have added to my Palm is "Life", I could easily run it

Is There a Visor Security Model?

1999-09-21 Thread Robert Hettinga
Everyone's probably heard of the new Palm-alike Visor by now, and it's got this "springboard" slot in the back processors, memory, and other stuff. The Palm's security model is, by most accounts I've seen, non-existant. Is the Visor any better? It would be nice to have a portable

Re: Is There a Visor Security Model?

1999-09-21 Thread evan . cordes
From: Robert Hettinga [EMAIL PROTECTED] Everyone's probably heard of the new Palm-alike Visor by now, and it's got this "springboard" slot in the back processors, memory, and other stuff. It would be nice to have a portable cryptographic/signature/digital money device. Are we any

RE: Is There a Visor Security Model?

1999-09-21 Thread Trei, Peter
Security Model? Everyone's probably heard of the new Palm-alike Visor by now, and it's got this "springboard" slot in the back processors, memory, and other stuff. The Palm's security model is, by most accounts I've seen, non-existant. Is the Visor any better? It wou