MULTI CERTIFICATE REVOCATION LIST SUPPORT METHOD AND APPARATUS FOR DIGITAL RIGHTS MANAGEMENT
摘要
Provided are a method and apparatus for issuing a rights object required to use digital content. The method includes receiving the digital content and the rights object; and encrypting the received rights object using a public key of a secure multimedia card (SMC) and storing the encrypted rights object in the SMC.
申请公布号
EP2027540(A1)
申请公布日期
2009.02.25
申请号
EP20070746268
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