Page 111 - slides.dvi

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Operating
Store
Could
still
Systems
messy
Password
use
—
ACL
multiple
“principal”
Capabilities
for
Advantages:
messy
revocation
revocation
Alternatively:
Disadvantages:
is
with
nice
from
Protection
(use
“roles”
timeouts
for
possible
OS).
tricky.
combine
object,
application,
(e.g.
Capabilities
but
‘implicit’
available.
and
distributed
key
passwords
it
Amoeba).
cache?).
on
and
systems
but:
capability
capabilities.
(not

implicit

concept

of

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