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. 11, 2013

Filed:

Jun. 08, 2010
Applicant:

Dae Youb Kim, Seoul, KR;

Inventor:

Dae Youb Kim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is an apparatus to transmit and receive data, and a method thereof. A data transmission apparatus may generate a first cryptogram and a second cryptogram by encrypting a message authentication code to be transmitted, using a plurality of encryption keys, and may transmit the generated first cryptogram and the second cryptogram to a data reception apparatus.


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