AT352939T

Signing and authentication devices and processes and corresponding products, notably for dvb/mpeg mhp digital streams

Abstract

The invention claims a device and a method for the digital flow is carried out signature each data stream comprises the video information related to the content and signalling. Said device the encryption which is used for signaling selectively determining the description character is authentication descriptor to obtain the signature. The invention also claims corresponding authentication apparatus and method. Is applied to a mpeg and digital flow especially aiming at an mhp authentication.

Term

No projected expiry on record.

  1. Priority
  2. Filed
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37 members in 14 offices

This recordMember, by publication datePriority claim4 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
0205610European Patent Office (EPO)W

Members37

Family members, oldest first
DocumentOfficeKind
WO02096016A2World Intellectual Property Organization (WIPO)A2
FR2825209A1FranceA1
AU2002310832A1AustraliaA1
WO02096016A3World Intellectual Property Organization (WIPO)A3
CA2486937A1CanadaA1
WO03098895A1World Intellectual Property Organization (WIPO)A1
AU2002360105A1AustraliaA1
KR20040004628ARepublic of KoreaA
MXPA03010564AMexicoA
EP1402679A2European Patent Office (EPO)A2
US2004162980A1United States of AmericaA1
CN1526217AChinaA
JP2004527188AJapanA
KR20050010817ARepublic of KoreaA
EP1510057A1European Patent Office (EPO)A1
MXPA04011581AMexicoA
EP1402679B1European Patent Office (EPO)B1
DE60203509D1GermanyD1
CN1628447AChinaA
JP2005526451AJapanA
ES2240751T3SpainT3
US2005257059A1United States of AmericaA1
ZA200409143BSouth AfricaB
DE60203509T2GermanyT2
EP1510057B1European Patent Office (EPO)B1
AT352939TThis recordAustriaT
DE60217931D1GermanyD1
CN1315281CChinaC
ES2280611T3SpainT3
DE60217931T2GermanyT2
AU2002360105B2AustraliaB2
KR100875289B1Republic of KoreaB1
US7627762B2United States of AmericaB2
KR100932185B1Republic of KoreaB1
CN1628447BChinaB
JP4533741B2JapanB2
CA2486937CCanadaC