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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.:

US 11360941 B1

PDFFull Text
Date of Patent:
Jun. 14, 2022

Filed:

Dec. 28, 2015

Method and device for compressing and decompressing unit files for epub file encryption

Applicant:

Fasoo.com Co., Ltd., Seoul, KR;

Inventors:

Yeong Hun Yi, Seoul, KR;

Kyo Young Chin, Gyeonggi-do, KR;

Assignee:

FASOO.COM CO., LTD., Seoul, KR;

Attorney:

AJU Kim Chang & Lee

Primary Examiner:

Noura Zoubair

Int. Cl.
CPC ...
G06F 16/11 (2019.01); G06F 21/60 (2013.01); H04L 9/14 (2006.01); G06F 16/174 (2019.01); G06F 21/10 (2013.01); G06F 16/00 (2019.01);
U.S. Cl.
CPC ...
G06F 16/1744 (2019.01); G06F 16/00 (2019.01); G06F 16/113 (2019.01); G06F 21/10 (2013.01); G06F 21/602 (2013.01); H04L 9/14 (2013.01); G06F 2221/2107 (2013.01); H04L 2209/30 (2013.01);
Abstract

Disclosed are a method and a device for compressing and decompressing unit files when encrypting an electronic publication (EPUB) file. The method for compressing unit files for EPUB file encryption comprises: a step of determining an encryption target unit file from among a plurality of unit files forming an EPUB file; a step of performing encryption of the compressed encryption target unit file; and a step of performing compression of general unit files among the plurality of unit files in addition to the encryption target unit file. As such, by performing compression of the encryption target unit file before the general unit files, it is possible to effectively reduce the size of a single packaged EPUB file.

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Yi, Yeong. (2022). Method and device for compressing and decompressing unit files for epub file encryption (U.S. Patent No. 11360941). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11360941

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