POSIX ACL

[Erin Clark]

Hi Robert:

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?

Thanks,
Erin

-----Original Message-----
From: Robert N. M. Watson [mailto:rwatson at FreeBSD.org] 
Sent: Thursday, April 22, 2010 7:21 PM
To: Erin Clark
Cc: posix1e at FreeBSD.org
Subject: Re: POSIX ACL


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.

Robert