Re: Encryption for Powerpoint?

On Thu, 25 May 2006 17:24:33 +0200, Sebastian Gottschalk wrote:

sudo namei wrote:

What about making copies while available? Again, forget that.

Answered in the next paragraph, which you snipped. There are plenty
of formats that can be published online and remain difficult to copy.

Bull***.

*yawn* OK, it's all bull***. Feel better?

If you want to be double-plus-super-secret I suppose you could host
a locked down VMWare image and make an RDP session available only to
whoever is wearing the *** Tracy code ring.

How is that supposed to work?

You host a VMWare image (or a terminal server or just a standalone
workstation) which has been locked down. You let someone RDP into it
and function only in a controlled environment. What is difficult about
this concept?

But probably a couple of annoying lines of javascript to disallow
printing or saving,

Huh? Such a *** doesn't even work in Mozilla.
And I can't even see how you like to stop printing on
common-as-webbrowser-misused MSIE.

So display it in a java applet. You can't tell me you have not run
across any data which was published online and made to be a pain in the
ass to copy?

in conjunction with a graphical presentation rather than text

Do you know the PrintScreen key? What about OCR?

Conceded. Print screens are going to be the downfall of any such
scheme. I suppose the real question is how secure does this need to be?
Does the OP want to protect the ideas themselves, the images, or just
make his untrustworthy colleagues have to work extra hard to knock off
his power-point slide? Nothing is going to stop them sneaking a video
camera into the presentation, or re-creating the whole thing
painstakingly from photographic memory, etc.

would suffice to keep the average schmoe from copying the data.

Joe Average will get an unprotected copy from Tim Techsavvy.

And if Joe is ever allowed to *see* the presentation he could just
take good notes and then hire some dime-a-dozen-dip*** PPT master to
recreate it from scratch. The real question is, how paranoid is the OP,
and how sensitive is this material?

P.S. This is my "not really all that interested anymore" face.
.

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