[cap-talk] What sparked interest in capabilities
gmatht at gmail.com
Fri Feb 15 22:33:48 EST 2008
On Fri, Feb 15, 2008 at 3:14 AM, Bill Frantz <frantz at pwpconsult.com> wrote:
> Jed points out that work on capabilities came to a near standstill
> during the capability nadir of the late 1980s and early 1990s. For
> people who have become interested in capabilities since then, what
> caused you to develop that interest?
It is was clear that giving each process all the rights of the human user
was far too permissive.
I think I read a discussion of how capabilities were not only more secure,
but also simpler. E.g. If you are handed a file, you have to attempt to
open it, and handle failures if it won't open for what ever reason. If you
are handed a cap/file-handle you can just skip that step.
Easier to code, more reliable or more secure? Pick any three.
John C. McCabe-Dansted
University of Western Australia
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