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:
Sep. 17, 2013

Filed:

Feb. 18, 2010
Applicants:

Byeong Hoon Lee, Seoul, KR;

Ki Hong Kim, Suwon-si, KR;

Jae Hyoung Park, Yongin-si, KR;

Hyuck Jun Cho, Yongin-si, KR;

Inventors:

Byeong Hoon Lee, Seoul, KR;

Ki Hong Kim, Suwon-si, KR;

Jae Hyoung Park, Yongin-si, KR;

Hyuck Jun Cho, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A memory for protecting data includes a first storage area storing a number of encryption keys, a second storage area receiving the encryption keys from the first storage area and storing again the received encryption keys, and a selection unit selecting one of the encryption keys stored in the second storage area according to a control signal, and encoding data input from outside the memory using a selected encryption key or decoding the data stored in the first storage area using the selected encryption key.


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