AT386290T

System and method for accessing protected content in a rights-management architecture

Abstract

A method for presenting content (16) stored in an encrypted format, said method comprising the acts of: issuing a first request to provide a key (14A) of content that makes it possible to decrypt said content; characterized by determining that said content key is sealed with a cryptographic metadata hash (12), metadata including information related to an authorized user of said content; issue a second request to provide said information related to the authorized user; unsealing the sealed content key using said information related to the authorized user; and decrypt the content with the unsealed content key.

Term

Term ended

Expired 13 December 2020, 5.8 years ago.

  1. Priority
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37 members in 8 offices

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
DocumentOfficeKindDate
17231899United States of AmericaP
17231999United States of AmericaP
60494600United States of AmericaA

Members37

Family members, oldest first
DocumentOfficeKind
WO0144907A1World Intellectual Property Organization (WIPO)A1
WO0144908A1World Intellectual Property Organization (WIPO)A1
AU2259901AAustraliaA
AU2260001AAustraliaA
WO0146783A2World Intellectual Property Organization (WIPO)A2
AU4717501AAustraliaA
WO0146783A3World Intellectual Property Organization (WIPO)A3
EP1242854A1European Patent Office (EPO)A1
EP1242855A1European Patent Office (EPO)A1
EP1242858A2European Patent Office (EPO)A2
JP2003517767AJapanA
JP2003518282AJapanA
EP1515213A1European Patent Office (EPO)A1
EP1515214A1European Patent Office (EPO)A1
US2005108556A1United States of AmericaA1
US2005188228A1United States of AmericaA1
US6970849B1United States of AmericaB1
US6996720B1United States of AmericaB1
US7047411B1United States of AmericaB1
EP1242858B1European Patent Office (EPO)B1
AT386290TThis recordAustriaT
ATE386290T1AustriaT1
DE60038046D1GermanyD1
DE60038046T2GermanyT2
US7562395B2United States of AmericaB2
US2009293116A1United States of AmericaA1
US7707643B2United States of AmericaB2
JP4694077B2JapanB2
US8032943B2United States of AmericaB2
EP1242854B1European Patent Office (EPO)B1
ES2564777T3SpainT3
EP1242855B1European Patent Office (EPO)B1
EP1515213B1European Patent Office (EPO)B1
EP1515214B1European Patent Office (EPO)B1
ES2592903T3SpainT3
ES2593311T3SpainT3
ES2616250T3SpainT3