发明名称 |
METHOD AND SYSTEM FOR PROTECTING BROADCASTING PROGRAM |
摘要 |
Disclosed is a method and system for storing encryption key information and package key information for decrypting encrypted broadcasting programs to store broadcasting programs. The method for protecting broadcasting programs includes generating and storing information about a first encryption key for encrypting broadcasting programs, and generating package key information by encrypting the first encryption key using a second encryption key.
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申请公布号 |
US2010158255(A1) |
申请公布日期 |
2010.06.24 |
申请号 |
US20090555637 |
申请日期 |
2009.09.08 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
CHEONG WON-SIK;CHOO HYON-GON;LEE JOOYOUNG;AHN SANGWOO;SHIN SANG-KWON;OH MOON-KYUN;NAM JEHO;HONG JIN-WOO |
分类号 |
H04L9/08;H04L9/00 |
主分类号 |
H04L9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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