发明名称 |
SECURITY AND KEY MANAGEMENT OF DIGITAL CONTENT |
摘要 |
Managing access to digital content within a particular domain, including: receiving the digital content at a first client device; decrypting the received digital content at the first client device using a first key; transcoding the digital content to another format; re-encrypting the transcoded content using a second key, wherein the second key is obtained by one of: (1) directly from a server; or (2) indirectly by deriving it locally based on information received from the server; and transmitting the re-encrypted content to a second client device, wherein the second client device obtains the second key and decrypts the re-encrypted content at the second client device. |
申请公布号 |
WO2014150547(A1) |
申请公布日期 |
2014.09.25 |
申请号 |
WO2014US23571 |
申请日期 |
2014.03.11 |
申请人 |
VERIMATRIX, INC. |
发明人 |
PETERKA, PETR;THORWIRTH, NIELS;SAYKALI, KAMIL;HODJAT, ALI;CHRISTIAN, STEVE;KEYCHENKO, NIKOLAI;POLLARD, TOM |
分类号 |
G06Q20/40 |
主分类号 |
G06Q20/40 |
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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