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: white-box crypto Was: consulting question....

2009-05-30 Thread Brecht Wyseur
James Muir wrote: Alexander Klimov wrote: On Tue, 26 May 2009, James Muir wrote: There is some academic work on how to protect crypto in software from reverse engineering. Look-up white-box cryptography. Disclosure: the company I work for does white-box crypto. Could

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