Ku Young CHANG

Person

Daejeon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for mutual verifying of data ownership
- Patent number 10,515,225
- Issue date Dec 24, 2019
- Electronics and Telecommunications Research Institute
- Taek-Young Youn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for additive homomorphic encryption scheme with o...
- Patent number 10,270,588
- Issue date Apr 23, 2019
- Electronics and Telecommunications Research Institute
- Taek-Young Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for deduplicating encrypted data
- Patent number 10,025,811
- Issue date Jul 17, 2018
- Electronics and Telecommunications Research Institute
- Keonwoo Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Batch verification method and apparatus thereof
- Patent number 9,577,828
- Issue date Feb 21, 2017
- Electronics and Telecommunications Research Institute
- Jung-Yeon Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing compressed encryption and decryptio...
- Patent number 9,374,220
- Issue date Jun 21, 2016
- Electronics and Telecommunications Research Institute
- Taek Young Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for anonymity-based authentication and key agr...
- Patent number 9,258,130
- Issue date Feb 9, 2016
- Electronics and Telecommunications Research Institute
- Jung-Yeon Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for dynamic multi-dimensional codes with time...
- Patent number 9,087,277
- Issue date Jul 21, 2015
- Electronics and Telecommunications Research Institute
- Jung-Yeon Hwang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated cryptographic module providing confidentiality and integ...
- Patent number 9,065,631
- Issue date Jun 23, 2015
- Electronics and Telecommunications Research Institute
- Ku Young Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lightweight group signature system and method with short signature
- Patent number 8,966,273
- Issue date Feb 24, 2015
- Electronics and Telecommunications Research Institute
- Jung Yeon Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-user searchable encryption system and method with index valid...
- Patent number 8,873,749
- Issue date Oct 28, 2014
- Electronics and Telecommunications Research Institute
- Nam-Su Jho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of user-authenticated quantum key distribution
- Patent number 8,639,927
- Issue date Jan 28, 2014
- Electronics and Telecommunications Research Institute
- Jeong-Woon Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods of storing and retrieving data in/from external server
- Patent number 8,225,107
- Issue date Jul 17, 2012
- Electronics and Telecommunications Research Institute
- Ku-young Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key establishment method and system using commutative linear function
- Patent number 7,715,556
- Issue date May 11, 2010
- Electronics and Telecommunications Research Institute
- Ku Young Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for hybrid multiplier in GF(2m) and method thereof
- Patent number 7,599,979
- Issue date Oct 6, 2009
- Electronics and Telecommunications Research Institute
- Yong Je Choi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for generating keystream
- Patent number 7,587,046
- Issue date Sep 8, 2009
- Electronics and Telecommunications Research Institute
- Ku Young Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DE-DUPLICATING ENCRYPTED FILE THROUGH VERI...
- Publication number 20180123800
- Publication date May 3, 2018
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Keonwoo KIM
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR MUTUAL VERIFYING OF DATA OWNERSHIP
- Publication number 20170193245
- Publication date Jul 6, 2017
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Taek-Young YOUN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR DEDUPLICATING ENCRYPTED DATA
- Publication number 20170193032
- Publication date Jul 6, 2017
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Keonwoo KIM
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR ADDITIVE HOMOMORPHIC ENCRYPTION SCHEME WITH O...
- Publication number 20160330017
- Publication date Nov 10, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Taek-Young YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BATCH VERIFICATION METHOD AND APPARATUS THEREOF
- Publication number 20150281256
- Publication date Oct 1, 2015
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jung-Yeon HWANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DECRYPTABLE INDEX GENERATION METHOD FOR RANGE SEARCH, SEARCH METHOD...
- Publication number 20150270958
- Publication date Sep 24, 2015
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Nam-Su JHO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS AND METHOD FOR GIVING THE COMPRESSED ENCRYPTION FUNCTION...
- Publication number 20150180659
- Publication date Jun 25, 2015
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Taek-Young YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR PROVIDING COMPRESSED ENCRYPTION AND DECRYPTIO...
- Publication number 20140270159
- Publication date Sep 18, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Taek Young YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS FOR GENERATING PRIVACY-PROTECTING DOCUMENT AUTHENTICATION...
- Publication number 20140245019
- Publication date Aug 28, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jung-Yeon HWANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS AND METHOD FOR ANONYMITY-BASED AUTHENTICATION AND KEY AGR...
- Publication number 20140173281
- Publication date Jun 19, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jung-Yeon HWANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR AUTHENTICATING USER IN MULTIPARTY QUANTUM...
- Publication number 20140068765
- Publication date Mar 6, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jeong-Woon CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-USER SEARCHABLE ENCRYPTION SYSTEM AND METHOD WITH INDEX VALID...
- Publication number 20130148803
- Publication date Jun 13, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Nam-Su JHO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHTWEIGHT GROUP SIGNATURE SYSTEM AND METHOD WITH SHORT SIGNATURE
- Publication number 20130091360
- Publication date Apr 11, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jung Yeon HWANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR ENHANCING PRIVACY OF CONTACT INFORMATION I...
- Publication number 20130055393
- Publication date Feb 28, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Taek Young Youn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
APPARATUS AND METHOD FOR DYNAMIC MULTIDIMENSIONAL CODES WITH TIME A...
- Publication number 20130020393
- Publication date Jan 24, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jung-Yeon HWANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERGRATED CRYPTOGRAPHIC MODULE PROVIDING CONFIDENTIALITY AND INTE...
- Publication number 20120163587
- Publication date Jun 28, 2012
- Korea University Research and Business Foundation
- Ku Young CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA MANAGEMENT SYSTEM AND METHOD
- Publication number 20120158734
- Publication date Jun 21, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Ku Young CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF USER-AUTHENTICATED QUANTUM KEY DISTRIBUTION
- Publication number 20110126011
- Publication date May 26, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jeong-Woon Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS OF STORING AND RETRIEVING DATA IN/FROM EXTERNAL SERVER
- Publication number 20100161957
- Publication date Jun 24, 2010
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Ku-young CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR PERFORMING QUANTUM BIT COMMITMENT PROTOCOL
- Publication number 20100150349
- Publication date Jun 17, 2010
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jeong Woon CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Key establishment method and system using commutative linear function
- Publication number 20070121948
- Publication date May 31, 2007
- Ku Young Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for generating keystream
- Publication number 20060098820
- Publication date May 11, 2006
- Electronics and Telecommunications Research Institute.
- Ku Young Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus for hybrid multiplier in GF(2M) and method thereof
- Publication number 20060095495
- Publication date May 4, 2006
- Yong Je Choi
- G06 - COMPUTING CALCULATING COUNTING

Ku Young CHANG

Person

Patents Grantslast 30 patents

Method for mutual verifying of data ownership

Method and system for additive homomorphic encryption scheme with o...

Method and apparatus for deduplicating encrypted data

Batch verification method and apparatus thereof

System and method for providing compressed encryption and decryptio...

Apparatus and method for anonymity-based authentication and key agr...

Apparatus and method for dynamic multi-dimensional codes with time...

Integrated cryptographic module providing confidentiality and integ...

Lightweight group signature system and method with short signature

Multi-user searchable encryption system and method with index valid...

Method of user-authenticated quantum key distribution

Methods of storing and retrieving data in/from external server

Key establishment method and system using commutative linear function

Apparatus for hybrid multiplier in GF(2m) and method thereof

Method and apparatus for generating keystream

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR DE-DUPLICATING ENCRYPTED FILE THROUGH VERI...

METHOD FOR MUTUAL VERIFYING OF DATA OWNERSHIP

METHOD AND APPARATUS FOR DEDUPLICATING ENCRYPTED DATA

METHOD AND SYSTEM FOR ADDITIVE HOMOMORPHIC ENCRYPTION SCHEME WITH O...

BATCH VERIFICATION METHOD AND APPARATUS THEREOF

DECRYPTABLE INDEX GENERATION METHOD FOR RANGE SEARCH, SEARCH METHOD...

APPARATUS AND METHOD FOR GIVING THE COMPRESSED ENCRYPTION FUNCTION...

SYSTEM AND METHOD FOR PROVIDING COMPRESSED ENCRYPTION AND DECRYPTIO...

APPARATUS FOR GENERATING PRIVACY-PROTECTING DOCUMENT AUTHENTICATION...

APPARATUS AND METHOD FOR ANONYMITY-BASED AUTHENTICATION AND KEY AGR...

METHOD AND APPARATUS FOR AUTHENTICATING USER IN MULTIPARTY QUANTUM...

MULTI-USER SEARCHABLE ENCRYPTION SYSTEM AND METHOD WITH INDEX VALID...

LIGHTWEIGHT GROUP SIGNATURE SYSTEM AND METHOD WITH SHORT SIGNATURE

METHOD AND APPARATUS FOR ENHANCING PRIVACY OF CONTACT INFORMATION I...

APPARATUS AND METHOD FOR DYNAMIC MULTIDIMENSIONAL CODES WITH TIME A...

INTERGRATED CRYPTOGRAPHIC MODULE PROVIDING CONFIDENTIALITY AND INTE...

DATA MANAGEMENT SYSTEM AND METHOD

METHOD OF USER-AUTHENTICATED QUANTUM KEY DISTRIBUTION

METHODS OF STORING AND RETRIEVING DATA IN/FROM EXTERNAL SERVER

METHOD AND SYSTEM FOR PERFORMING QUANTUM BIT COMMITMENT PROTOCOL

Key establishment method and system using commutative linear function

Method and apparatus for generating keystream

Apparatus for hybrid multiplier in GF(2M) and method thereof