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:
Aug. 17, 2010

Filed:

Aug. 30, 2004
Applicant:

Sung-woo Lee, Yongin-si, KR;

Inventor:

Sung-Woo Lee, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01); G06F 12/14 (2006.01); H04K 1/00 (2006.01); H04L 9/00 (2006.01); H04L 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hardware cryptographic engine for encrypting transmission data may include a plurality of ciphertext engines that generate intermediate ciphertexts and final ciphertexts. At least one of the ciphertext engines may receive an intermediate ciphertext output from at least one neighboring ciphertext engine to generate a corresponding intermediate ciphertext and final ciphertext. A method of encrypting transmission data may include inputting a second intermediate ciphertext of a second ciphertext engine to a first ciphertext engine and generating a first intermediate ciphertext of the first ciphertext engine using the second intermediate ciphertext.


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