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公开(公告)号：WO2022240854A1
公开(公告)日：2022-11-17
申请号：PCT/US2022/028563
申请日：2022-05-10
Applicant: SONOS, INC.
Inventor： SO, Won , LIN, Ted , PETERS, Jeffrey M. , ERDMANN, Derek W. , SHELDON, Michael
IPC: H04N21/81 , H04N21/233 , H04N21/439 , H04N21/266 , G06F21/10 , G06F21/602 , G06F2221/0753 , G06F3/165 , G10L19/167 , G10L19/173 , H04N21/26613 , H04N21/8106 , H04W24/08 , H04W84/12
Abstract: An example first playback device is configured to (i) obtain audio content from a cloud-based media service, the audio content encrypted according to a first encryption scheme, (ii) communicate with a cloud-based license service to obtain information for decrypting the audio content, (iii) use the obtained information to decrypt the audio content, (iv) re-encrypt the decrypted audio content in accordance with a second encryption scheme, (v) transmit the re-encrypted audio content to at least a second playback device that is grouped with the first playback device for synchronous audio playback, and (vi) play back the audio content in synchrony with playback of the audio content by the second playback device.
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公开(公告)号：WO2021244268A1
公开(公告)日：2021-12-09
申请号：PCT/CN2021/094033
申请日：2021-05-17
Inventor： SOFIA, Anthony Thomas , JORDAN, Michael Joseph
IPC: H04L29/06 , G06F21/602 , G06F21/6245 , G06F21/6254 , G06F21/6272 , G06F21/78 , G06F2221/0753
Abstract: Aspects include receiving a request from a user to access data that was acquired by a third-party from a data owner, the data in an encrypted format unreadable by the user. In response to receiving the request from the user to access the data, a third-party key from the third-party is requested and a data owner key from the data owner is requested. The third-party key and the data owner key are applied to the data in the encrypted format to generate the data in an unencrypted format readable by the user. The user is provided with access to the data in the unencrypted format.
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