POSIX ACL

[Jonathan Leffler]

On Fri, Apr 23, 2010 at 8:44 AM, Erin Clark <eclark at strtrade.com> wrote:

> Thanks so much for your response.  Unfortunately, I don't know what the
> specific product is . . . However, below is the description that I do
> have:
>
> "POSIX Access Control Lists -- used to define more fine-grained
> discretionary access rights for files and directories."
>
> Given that POSIX ACLs are an access control mechanism, do they contain
> any algorithms that perform authentication/password protection?
>


No - the ACLs are applied after authentication and identification is
complete.
They authorize the use of resources by the 'person' (meaning process) that
is attempting to access them.



> -----Original Message-----
> From: Robert N. M. Watson [mailto:rwatson at FreeBSD.org]
> Sent: Thursday, April 22, 2010 7:21 PM
>
> On 22 Apr 2010, at 18:23, Erin Clark wrote:
>
> > I'm assisting a client with the export classification of their product
> > and the subject product utilizes POSIX Access Control Lists 2.2.23.
> Do
> > you know who might be the correct developer(s) for this open source
> > code?  If it's you all, do you happen to know what the Export Control
> > Classification Number (ECCN) for this code?  If you don't know the
> ECCN,
> > can you please respond to the following questions at your convenience?
>
> Hi Erin--
>
> The answers to these questions will be specific to the product you are
> considering, open source or otherwise. If you could let us know what
> specific software you're looking at, perhaps we could point you in the
> right direction (for example, is it FreeBSD?). However, in the general
> case, POSIX.1e ACLs are a local file system access control mechanism
> unrelated to cryptography, and are therefore unlikely to involve
> cryptography in their implementation.
>

Resent to list too...

-- 
Jonathan Leffler <jonathan.leffler at gmail.com>  #include <disclaimer.h>
Guardian of DBD::Informix - v2008.0513 - http://dbi.perl.org
"Blessed are we who can laugh at ourselves, for we shall never cease to be
amused."