Re: consulting question.... (DRM)

2009-05-30 Thread Jerry Leichter
On May 29, 2009, at 8:48 AM, Peter Gutmann wrote: Jerry Leichter leich...@lrw.com writes: For the most part, software like this aims to keep reasonably honest people honest. Yes, they can probably hire someone to hack around the licensing software. (There's generally not much motivation

Re: consulting question.... (DRM)

2009-05-30 Thread John Ioannidis
John Gilmore wrote: ... PPS: On a consulting job one time, I helped my customer patch out the license check for some expensive Unix circuit simulation software they were running. They had bought a faster, newer machine and wanted to run it there instead of on the machine they'd bought the

Re: consulting question.... (DRM)

2009-05-29 Thread John Gilmore
Their product inserts program code into existing applications to make those applications monitor and report their own usage and enforce the terms of their own licenses, for example disabling themselves if the central database indicates that their licensee's

Re: consulting question.... (DRM)

2009-05-29 Thread Peter Gutmann
Jerry Leichter leich...@lrw.com writes: For the most part, software like this aims to keep reasonably honest people honest. Yes, they can probably hire someone to hack around the licensing software. (There's generally not much motivation for J Random User to break this stuff, since it

Re: consulting question.... (DRM)

2009-05-27 Thread Ray Dillinger
On Tue, 2009-05-26 at 18:49 -0700, John Gilmore wrote: It's a little hard to help without knowing more about the situation. I.e. is this a software company? Hardware? Music? Movies? Documents? E-Books? It's a software company. Is it trying to prevent access to something, or the

Re: consulting question.... (DRM)

2009-05-27 Thread Darren J Moffat
John Gilmore wrote: It's only the DRM fanatics whose installed bases of customers are mentally locked-in despite the crappy user experience (like the brainwashed hordes of Apple users, or the Microsoft victims) who are troublesome. In such cases, the community should I assume the Apple

Re: consulting question.... (DRM)

2009-05-27 Thread Jerry Leichter
The introduction of the acronym DRM has drawn all the hysteria it always does. The description you've posted much more closely matches license (or sometimse entitlement) management software than DRM. There are many companies active in this field. Many are small, but Microsoft sells

Re: consulting question.... (DRM)

2009-05-27 Thread Nathan Loofbourrow
On Wed, May 27, 2009 at 2:01 AM, Darren J Moffat darren.mof...@sun.com wrote: John Gilmore wrote: It's only the DRM fanatics whose installed bases of customers are mentally locked-in despite the crappy user experience (like the brainwashed hordes of Apple users, or the Microsoft victims) who

Re: consulting question.... (DRM)

2009-05-27 Thread Bill Squier
This is getting a bit far afield from cryptography, but proper threat analysis is still relevant. On May 27, 2009, at 4:07 AM, Ray Dillinger wrote: On Tue, 2009-05-26 at 18:49 -0700, John Gilmore wrote: It's a little hard to help without knowing more about the situation. I.e. is this a

Re: consulting question.... (DRM)

2009-05-26 Thread John Gilmore
It's a little hard to help without knowing more about the situation. I.e. is this a software company? Hardware? Music? Movies? Documents? E-Books? Is it trying to prevent access to something, or the copying of something? What's the something? What's the threat model? Why is the company