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:
Aug. 13, 2019
Filed:
Mar. 24, 2017
Phazrio Inc., Los Angeles, CA (US);
Chi-Kwan J. Cheung, Santa Monica, CA (US);
PhazrlO Inc., Los Angeles, CA (US);
Abstract
One embodiment provides a file sharing system. During operation, the system identifies a data file to be sent to a second device of a second user and generates a plurality of coded fragments from the data file based on a generator matrix of erasure encoding. An individual coded fragment does not include plaintext data. The system generates a plurality of sub-files, each of which comprises one or more coded fragments, of the data file. The system attaches a first sub-file to an electronic communication destined to the second device, uploads a second sub-file to a cloud provider, and embeds a link, which may expire and is protected based on a verification code, associated with the uploaded second sub-file into the electronic communication. The system sends the electronic communication to the second device and the verification code in a text message to a cell phone of the second user.