[18921] in cryptography@c2.net mail archive
Re: [Clips] [dave@farber.net: [IP] Apple tries to patent 'tamper-resistant
daemon@ATHENA.MIT.EDU (Ben Laurie)
Sun Nov 13 11:32:48 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Sat, 12 Nov 2005 13:21:22 +0000
From: Ben Laurie <ben@algroup.co.uk>
To: "R. A. Hettinga" <rah@shipwright.com>
Cc: cryptography@metzdowd.com
In-Reply-To: <p06230959bf992d540720@[68.167.57.91]>
R. A. Hettinga wrote:
> In its application, Apple describes a means of securing code using
> either a specific hardware address or read-only memory (ROM) serial
> number. Apple also talks about securing the code while interchanging
> information among multiple operating systems. Mac OS X, Windows and
> Linux are called out specifically in the filing.
I'd normally suggest finding prior art for this, since its a technique
that's been in use for decades, at least, but in this case I'm quite
happy to see the whole field become a morass of patents.
> "This invention relates generally to the field of computer data
> processing and more particularly to techniques for creating tamper-
> resistant software," Apple says in its patent filing. Specifically,
> Apple refers to the technique of "code obfuscation," in which
> software makers employ techniques that make it harder for those using
> debuggers or emulators to figure out how a particular block of code
> is working.
Will they never learn?
--
http://www.apache-ssl.org/ben.html http://www.thebunker.net/
"There is no limit to what a man can do or how far he can go if he
doesn't mind who gets the credit." - Robert Woodruff
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