发明名称 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
分类号 G06F15/00 主分类号 G06F15/00
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