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.

Date of Patent:
Jun. 19, 2012

Filed:

Nov. 28, 2007
Applicants:

Yong-kuk You, Seoul, KR;

Seong-soo Kim, Seoul, KR;

Sang-su Choi, Hwaseong-si, KR;

So-young Lee, Suwon-si, KR;

Inventors:

Yong-kuk You, Seoul, KR;

Seong-soo Kim, Seoul, KR;

Sang-su Choi, Hwaseong-si, KR;

So-young Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of encrypting data is provided. The method includes dividing data in packet units into N data blocks; generating an initial counter value using a random number used for generating an encryption key for encrypting the data blocks; generating N counter values by increasing the initial value by a predetermined value N times and encrypting the N counter values using the encryption key; and performing an exclusive OR operation on the N encrypted counter values and the N data blocks.


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