Re: Encrypting File System

From: Pat Hoffer [MSFT] (pathoff_at_online.microsoft.com)
Date: 02/14/05 

Date: Mon, 14 Feb 2005 10:35:33 -0800

It's impossible to share encrypted files between computers on a peer-to-peer
network. Sharing encrypted files requires an Active Directory network, the
kind of network most people have at work.

Thanks.
Pat

"hiroshi" wrote:

> Hi,
>
> I have a desktop and a laptop, both with Windows XP Pro.
> I encrypt files on the laptop and I want to access them
> from the desktop over a peer-to-peer network.
>
> I did some search and found your post.
> But it is too obscure for me to understand.
>
> Are you saying it's impossible?
>
> If it's possible, will you tell me exactly how to configure
> the machines to enable the viewing?
>
> Thank you.
>
>
>
>
> "=?Utf-8?B?UGF0IEhvZmZlciBbTVNGVF0=?=" <pathoff@online.microsoft.com> wrote in message news:<622C1CF1-339C-4019-BFE3-12E7FAA52BE3@microsoft.com>...
> > That's right. ComputerA must be trusted for delegation in an Active
> > Directory environment in order to allow remote access to its encrypted files.
> > Through delegation with the user's credentials, ComputerA can decrypt the
> > files and send them in plaintext over the wire to ComputerB. ComputerB may
> > have the key, but it can't do the decrypting.
> >
> > See Delegated Server Mode:
> > http://www.microsoft.com/technet/prodtechnol/winxppro/deploy/cryptfs.mspx
> >
> > Thanks.
> > Pat
> >
> > "Gregory" wrote:
> >
> > > If a file is encrypted on computer A on home network, why is not possible to
> > > view the file on computer B even when the EFS certificate has been installed
> > > on computer B?
> > >
> > > I have looked at Advanced Attributes Details button as per chapter 17 of
> > > Windows XP Professional Resource Kit and it does not seem possible to select
> > > a user of a different computer without the use of active directory. I don't
> > > have active directory on my home network.
>

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