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Domestic Patents

  • [31] Seungjoo Kim, Minsu Park,
    "
    Method for data security using secret sharing system in cloud environments",
    Korea Patent Appl. No.10-2013-0062073, May 30, 2013.

  • [30] Seungjoo Kim, Soojin yoon,
    "System for generating shorten Uniform Resource Locator and Method Therefor",
    Korea Patent No.10-1441869, September 12, 2014.

  • [29] Byunghee Lee, Kyungho Son, Dongho Won, Seungjoo Kim, Jong-In Lim,
    "A Flash Memory Control Device for Secure Deletion and the Method Thereof",
    Korea Patent No.10-1231592, February 4, 2013.
  • [28] Hanjae Jeong, Seungjoo Kim, Dongho Won,
    "A Social Network Service System to Protect the Privacy of the Written by Updating Keys and the Method Thereof",
    Korea Patent Appl. No.10-2011-0017224
    , February 25 2011.
  • [27] Seungjoo Kim, Dongho Won, Sungkyu Cho, Donghwi Shin, Heasuk Jo, Donghyun Choi, Jaecheol Ryou,
    "A Code Encryption and Decryption Device against Reverse Engineering based on Indexed Table and the Method Thereof",
    Korea Patent Appl. No.10-2010-0122719
    , December 3, 2010.
  • [26] Seungjoo Kim, Kwangwoo Lee, and Dongho Won,
    "A Secure Multimedia E-Will Management System Based on the Certificate and the Method Thereof",
    Korea Patent Appl. No.10-2010-0036935
    , April 21, 2010.
  • [25] Donghyun Choi, Hanjae Jeong, Dongho Won, Seungjoo Kim, Jaechul Ryou,
    "A hybrid key management method for robust SCADA systems and the session key generating method thereof",
    Korea Patent Appl. No.10-2010-0032408
    , April 8, 2010.
  • [24] Seungjoo Kim, Kwangwoo Lee, and Dongho Won,
    "A Secure E-Will Management System Based on the Certificate and the Method Thereof",
    Korea Patent Appl. No.10-2010-0027398
    , March 26, 2010.
  • [23] Sungjin Lee, Seungjoo Kim, and Dongho Won, Donghyun Choi, Kwangwoo Lee, Byunghee Lee, Hanjae Jung, Woongryul Jeon, Soonhaeng Hur, Wookjae Cha, Sungkyu Cho, Hyunsang Park, Hyoungseob Lee, Hyunseung Lee, Songyi Kim, Youngjun Cho,
    "A Effective Key Management Method for Secure SCADA Communication",
    Korea Patent No.10-1062995, August 31, 2011.
  • [22] Kwangwoo Lee, Seungjoo Kim, and Dongho Won,
    "A Password Authenticated Key Exchange Method Using the RSA",
    Korea Patent No.10-0989185, October 14, 2010.
  • [21] Hanjae Jung, Dongho Won, and Seungjoo Kim,
    "Apparatus and Method for Generating One Time Password Using Sensor",
    Korea Patent No.10-0980580, August 31, 2010.
  • [20] Donghyun Choi, Dongho Won, and Seungjoo Kim,
    "An User-aware Home Network System Using the Cellular Phone and Method Thereof",
    Korea Patent No.10-0980581, August 31, 2010.
  • [19] Sangjoo Park, Sungjin Lee, Dongho Won, and Seungjoo Kim,
    "A Graphical Password Input System Using Wheel Interface and the Method Thereof",
    Korea Patent No.10-0958440, May 10, 2010.
  • [18] Sungjin Lee, Dongho Won, and Seungjoo Kim,
    "Graphic Key Pad, Method for Changing Key Arrangement of Graphic Key Pad, and Method for Password Authentication Using the Graphic Key Pad",
    Korea Patent Appl. No.10-2008-0056109
    , June 16, 2008.
  • [17] Sangjoo Park, Dongho Won, and Seungjoo Kim,
    "A graphical password input system and method for embedded systems by using wheel interface",
    Korea Patent Appl. No.10-2007-0140093
    , December 28, 2007.
  • [16] Keunwoo Rhee, Jin Kwak, Seungjoo Kim, and Dongho Won,
    "Encrypting Method For ID Of RFID Tag, Authenticating Method Of RFID Tag And RFID Authenticating System Using The Same",
    Korea Patent No.10-0951527, February 4, 2009.
  • [15] Yunho Lee, Kwangwoo Lee, Seungjoo Kim, and Dongho Won,
    "A Verification Method for Operation of Encryption Apparatus and Its Application to Electronic Voting",
    Korea Patent No.10-0856007, August 27, 2008.
  • [14] Donghyun Choi, Yunho Lee, Seungjoo Kim, and Dongho Won,
    "Encryption/Decryption System of AD DRM License and Method There of",
    Korea Patent No.10-0850929, August 1, 2008.
  • [13] Keunwoo Rhee, Jin Kwak, Seungjoo Kim, and Dongho Won,
    "Privacy Management System of Tag and Their methods",
    Korea Patent No.10-0741702, July 16, 2007.
  • [12] Younggyo Lee, Seungjoo Kim, and Dongho Won,
    "System and method for detecting the exposure of OCSP responder's session private key",
    Korea Patent No.10-0684079, February 12, 2007.
  • [11] Hyejoo Lee, Bumsuk Choi, Sanghyun Joo, Jinsoo Choi, Jinwoo Hong, Seokhyang Cho, Junghyun Nam, Seungjoo Kim, and Dongho Won,
    "Method for generating session keys for low-power mobile devices",
    Korea Patent No.10-0667213, January 4, 2007.
  • [10] Keunwoo Rhee, Jin Kwak, Seungjoo Kim, and Dongho Won,
    "Authorization method in radio frequency identification system",
    Korea Patent No.10-0605138, July 19, 2006.
  • [9] Jinwoo Lee, Junghyun Nam, Seokhyang Cho, Seungjoo Kim, and Dongho Won,
    "Method for generating session key for group communication in mobile environment",
    Korea Patent No.10-0588302, June 2, 2006.
  • [8] Sung-Ming Yen, Seungjoo Kim, Seongan Lim, Sang-Jae Moon, Kyungah Shim, Bo-Yeon Song, and Hong Geun Kim,
    "Method for preventing the CRT-based fault attack of and apparatus thereof (.hwp.zip)",
    Korea Patent No.0431286, April 30, 2004.
  • [7] Young Gun Shin, Jae Cheol Ha, Sang Jae Moon, Seungjoo Kim, Seongan Lim, Sung-Ming Yen,
    "Digital signature method using RSA public-key cryptographic based on CRT and apparatus thereof",
    Korea Patent No.0431047, April 29, 2004.
  • [6] Jeeyeon Kim, Seungjoo Kim, Hyun-Jo Kwon, Hae-Ryong Park, and Hongsub Lee,
    "System and method of software-based commercial key escrow for PKI environment",
    Korea Patent No.0406754, November 11, 2003.
  • [5] Jeeyeon Kim, Seungjoo Kim, Hyun-Jo Kwon, Hae-Ryong Park, and Hong Geun Kim,
    "Password-based protocol secure against server's dictionary attack",
    Korea Patent No.0398161, September 2, 2003.
  • [4] Seungjoo Kim et al.,
    "Commercial key escrow systems (S/W)",
    Program Registration No.2001-01-24-10317 / No.2001-01-24-10318 / No.2001-01-24-10319 / No.2001-01-24-10320, December 31, 2001.
  • [3] Seungjoo Kim et al.,
    "Statistical randomness testing program" ; which can do (1) Frequency test, (2) Frequency test within a block, (3) Run test, (4) Test for longest run of ones in a block, (5) Binary matrix rank test (6) Discrete fourier transform test (7) Non-overlapping template matching test (8) Overlapping template matching test (9) Maurer's universal statistical test (10) Lempel-Ziv compression test (11) Linear complexity test (12) Serial test (13) Approximate entropy test (14) Cumulative sums test (15) Random excursions test (16) Random excursions variant test (17) Binary derivative test.,
    Program Registration No.2001-01-24-311, January 24, 2001.
  • [2] Seongan Lim, Seungjoo Kim, and Hongsub Lee,
    "High speed RSA public key cryptographic apparatus and method (.hwp.zip)" (Note : See also helpful graphics.),
    Korea Patent No.0340102, May 28. 2002.
  • [1] Seungjoo Kim and Dongho Won,
    "Self-certified ID-based key exchange scheme (.hwp.zip)" (Note : See also Sungjun Park's patent on "self-certified ID-based signature scheme".),
    Korea Patent No.0175616, November 10. 1998.

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