Method and system for secure over-the-top live video delivery

  • US 9,313,178 B2
  • Filed: 04/30/2014
  • Issued: 04/12/2016
  • Est. Priority Date: 06/23/2011
  • Status: Active Grant
First Claim
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1. A method for handling secure distribution of content comprising:

  • initiating a media playback request and receiving a playback request response;

    parsing content information from the playback request response, the content information including content encryption keys, content encryption key identifiers, and content encryption key expiration times;

    retrieving content and manifest files from a content delivery server;

    detecting content encryption key rotation boundaries between periods of use of different content encryption keys in decrypting retrieved content;

    issuing requests to a license server ahead of a key rotation boundary to retrieve a second content encryption key to be used after a content encryption key rotation boundary is reached; and

    applying the second key for content decryption after the key rotation boundary is reached.

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