BR0213214A

5G,4G,3G

Title

Not Available

Application Number:

BR20020013214

Publication Date:

23-05-2006

Current Assignee:

Family ID:

Application Date:

08-10-2002

Declaring Company:

Publication Country:

US

Priority Date:

09-10-2001

Title

Not Available

Application Number:

BR20020013214

Family ID:

Publication Country:

US

Publication Date:

23-05-2006

Application Date:

08-10-2002

Priority Date:

09-10-2001

Current Assignee:

Declaring Company:

Abstract  Abstract

SECURITY METHOD AND EQUIPMENT IN A DATA PROCESSING SYSTEM. It is a method and equipment for safe transmissions. Each user is provided with a registration key. A long-term updated broadcast key is encrypted using the registration key and periodically provided to a user. A short-lived updated key is encoded using the broadcast key. The short key is available with each broadcast message, where sufficient information to calculate the short key is provided in an Internet protocol header that precedes the broadcast content. Broadcasts are then encoded using the short key, where the user decodes the broadcast message using the short key.

Note:

The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)

The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.