[cap-talk] "Ambient capability"

[Rob Meijer]

On Fri, July 10, 2009 12:13, Matej Kosik wrote:
> Kevin Reid wrote:
>> Someone just wrote this page on the erights.org wiki:
>>
>>    http://wiki.erights.org/wiki/Ambient_capability
>>
>> I've never seen this term before and the description feels a little
>> off. Would the scholars and taxonomists of cap-talk please review/edit
>> this article?
>
> If I understand the term "ambient authority"
> http://wiki.erights.org/wiki/Ambient_authority
> and "capability"
> http://wiki.erights.org/wiki/Capability
> correctly, then "ambient capability" is an oxymoron.
>
> I have some questions (towards the author):
> http://wiki.erights.org/wiki/Talk:Ambient_authority
>
> What are some concrete examples of `ambient capabilities'?


I'm not sure if it matches the article, but POSIX capabilities are ambient
and are called capabilities, so IMO POSIX capbilities would be a concrete
example of ambient capabilities.