MULTI CERTIFICATE REVOCATION LIST SUPPORT METHOD AND APPARATUS FOR DIGITAL RIGHTS MANAGEMENT
摘要
The present invention provides a multi certificate revocation list (CRL) support method and apparatus for digital rights management (DRM). A multi CRM support method for DRM includes: receiving a first CRL and validating an issuer identification (ID) of the first CRL; loading a second CRL corresponding to the issuer ID and determining which of the first and second CRLs is the most updated CRL; and updating one of the first and second CRLs with the most updated CRL, based on a result of the determining.
申请公布号
WO2007132987(A1)
申请公布日期
2007.11.22
申请号
WO2007KR02111
申请日期
2007.04.30
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
KIM, YEO-JIN;OH, YUN-SANG;SIM, SANG-GYOO;JUNG, KYUNG-IM;KIM, JI-SOO