"P.J. Ponder" wrote:
>
> >From the Edupage newsletter:
>
> PATENTS GRANTED FOR ENCRYPTION OF WEB MUSIC
> Three mathematicians at Brown University recently were awarded a
> patent for a system that encodes every second of music downloaded
> from a Web site with a different encryption key, breaking a
> typical song up into more than 200 different codes. NTRU
> Cryptosystems, a Rhode Island firm, now owns the patent to the
> device. The system, which utilizes "public key" encryption,
> makes it impossible to play a song on any other device except for
> the one owned by the authorized user. The system works for
> virtually all data transmissions between computers, cell phones,
> digital music players, or any consumer electronic device that has
> Web access. Once a consumer orders music online, the user's
> computer or music player gives the Web site's server the encoding
> key, which is used to encode the data and then thrown away, and
> the music is sent back to the user's computer, which already
> knows the key. (New York Times, July 3 2000)
Would not this patent and technology conflict with any present forms
of IPsec (e.g., RFC-2401, SKIP, Photorus, etc)?