发明名称 Managing media content decryption keys in encrypted media content distribution systems and methods
摘要 Exemplary systems and methods for managing media content decryption keys in encrypted media content distribution systems and methods are described. An exemplary method includes a user device 1) accessing a set of decryption keys, 2) storing the set of decryption keys in local memory, 3) accessing an encrypted media content program, 4) switching from accessing the encrypted media content program to accessing another encrypted media content program, the another encrypted media content program temporally aligned with the encrypted media content program, 5) using a decryption key included in the set of decryption keys stored in the local memory to decrypt the encrypted media content program before the switching is performed, and 6) using another decryption key included in the set of decryption keys stored in the local memory to decrypt the another encrypted media content program after the switching is performed. Corresponding systems and methods are also disclosed.
申请公布号 US8611532(B2) 申请公布日期 2013.12.17
申请号 US201113282879 申请日期 2011.10.27
申请人 YIN FENGLIN;VERIZON PATENT AND LICENSING INC. 发明人 YIN FENGLIN
分类号 H04N7/167;H04K1/00;H04L9/00 主分类号 H04N7/167
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