Re: DRM and pdf
- From: roberson@xxxxxxxxxxxx (Walter Roberson)
- Date: Tue, 05 Sep 2006 16:42:40 GMT
In article <1157473720.006715.77000@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Davide <saudav@xxxxxxxxx> wrote:
I'm working for an Italian company and we'd like to start and sell
eBooks on our e-learning platform.
So we need a system, easy to integrate with our online store, in such a
manner that autorized users (whose who buyed our pdf e-book online)
might see the book under some conditions (for example only on one
machine).
There is no known way to do DRM without unfairly restricting the
normal usage of the consumer.
For example, if I upgrade the CPU in my computer, then my
eBooks should not stop working. If my hard-disc fails and I replace
it with another one, my eBooks should not stop working. If I have
downloaded an eBook to my desktop system, I should be able to
somehow move it to my laptop so that I can take it with me on a trip
(or take it home to study.)
In other words, if you tie the rights to the hardware, then you
block very normal behaviour of people with respect to hardware.
If you require an internet connection to verify the access rights
then people cannot use the eBook when they cannot get a connection.
If you use a fixed password system, then people can start sending around
the passwords.
You could perhaps use a -different- password for every copy sold,
but then you still run into problems with people posting the copy
and the password that goes with it.
.
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