Record carrier comprising encryption indication information

USRE44111E1 · kind E1 · reissue

Assignee

• KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

• Antonius Adriaan Maria Staring · Eindhoven, NL
• Boris Skoric · Eindhoven, NL
• Menno Anne Treffers · Eindhoven, NL
• Maurice Jerome Justin Jean-Baptiste Maes · Eindhoven, NL

Key dates

• Filing date: Jul 28, 2004
• Grant date: Mar 26, 2013
• Expiry date: Jul 28, 2024

Classification

• Technology area (CPC —): General

Abstract

A record carrier, recording device, read-out device and method is provided which provides a flexible security level to protect user data during transmission over a communication bus, also when the data is recorded on a record carrier such as a recordable optical disc. In accordance with the method, management information comprising encryption indication information indicating that user data stored in an associated sector of a record carrier, such as a recordable optical disk, is to be encrypted by a read-out device before being transmitted over a communication bus.