Method and system of copy protection of information

Details Method and system of copy protection of information Method and system of copy protection of information

2000-04-13

2008-03-04

Boccio, Vincent F. (Department: 2165)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C380S201000, C380S203000

Reexamination Certificate

active

07340152

ABSTRACT:
The invention relates to a method of copy-protection of information stored on an information carrying medium. The method allows a reading device (e.g. a DVD drive) and an application device (e.g. an MPEG decoder) to exchange copy-protection information regarding the information carrying medium (e.g. an optical record carrier like a CD or DVD) and the content on that medium. The method is cryptographically secure, taking into account the situation where reading device and application device are connected to an open bus in a personal computer. In view of the high-volume nature of the drive, the method can be implemented cheaply. The inventive method is robust against a so-called man-in-the-middle attack.The invention relates also to a method of exchanging copy-protection information, to a copy-protection system and to devices for carrying out these methods, in particular a reading device, an application device and a device for playback and/or recording of information.

REFERENCES:
patent: 5134496 (1992-07-01), Schwab et al.
patent: 5915027 (1999-06-01), Cox et al.
patent: 5991499 (1999-11-01), Yagasaki et al.
patent: 6374036 (2002-04-01), Ryan et al.
patent: 9713248 (1997-04-01), None
patent: 9911064 (1999-03-01), None

Affiliated with

Also associated with

Rating

Method and system of copy protection of information does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and system of copy protection of information, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system of copy protection of information will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3968168