The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2014
Filed:
Nov. 30, 2010
Jiang Zhang, La Jolla, CA (US);
Geetha Mangalore, San Diego, CA (US);
Petr Peterka, San Diego, CA (US);
Jiang Zhang, La Jolla, CA (US);
Geetha Mangalore, San Diego, CA (US);
Petr Peterka, San Diego, CA (US);
Motorola Mobility LLC, Libertyville, IL (US);
Abstract
A method is provided for creating an encrypted data file from a data file having a sample entry box and a media data box. The sample entry box has description information therein. The media data box includes media data therein. The method includes: receiving the data file; encrypting the media data within the media data box with an encryption key; replacing the sample entry box with an encoded box; creating a sinf box within the encoded box; creating a form a box within the sinf box; and creating an schm box within the sinf box. The schm box indicates the type of formatting of the encrypted media data. The encoded box does not include an initial counter that may be used to decrypt the encrypted media data.