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 --------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]