| 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 |
US2014281489(A1) |
申请公布日期 |
2014.09.18 |
| 申请号 |
US201314048970 |
申请日期 |
2013.10.08 |
| 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 |
H04L29/06 |
主分类号 |
H04L29/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method to protect digital content within a particular domain, the method comprising:
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. |
| 地址 |
San Diego CA US |
