Patent ID: 11917084
Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. A method of validating media integrity of a media file, comprising:
receiving the media file;
for a portion of the media file of the plurality of portions of the media file:
identifying portion integrity information, stored in a portion integrity box adjacent to the portion of the media file such that a plurality of portion integrity boxes is interwoven with the plurality of portions of the media file, that includes a stored hash value for the portion of the media file;
producing a calculated hash value for the portion of the media file by calculating a hash value for the portion of the media file;
determining whether the calculated hash value matches the stored hash value; and
providing validation information based on the determining whether the calculated hash value matches the stored hash value.