Patent | Date |
---|
Vertical semiconductor devices Grant 10,825,830 - Jung , et al. November 3, 2 | 2020-11-03 |
Vertical Semiconductor Devices App 20200105785 - JUNG; TAE-CHUL ;   et al. | 2020-04-02 |
Broadcast encryption method and broadcast decryption method thereof Grant 8,625,784 - Sung , et al. January 7, 2 | 2014-01-07 |
Method and system for updating time information of a DRM device Grant 8,595,496 - Kim , et al. November 26, 2 | 2013-11-26 |
Method and apparatus for digital signature generation and validation Grant 8,412,948 - Huh , et al. April 2, 2 | 2013-04-02 |
Method of and device for updating group key Grant 8,401,182 - Kim , et al. March 19, 2 | 2013-03-19 |
Method and apparatus for updating a group key Grant 8,374,353 - Kim , et al. February 12, 2 | 2013-02-12 |
Key generation method for self-configuration Grant 8,370,624 - Yi , et al. February 5, 2 | 2013-02-05 |
Method of protecting broadcast frame, terminal authenticating broadcast frame, and access point broadcasting broadcast frame Grant 8,270,607 - Kim , et al. September 18, 2 | 2012-09-18 |
Method of updating group key and group key update device using the same Grant 8,270,614 - Kim , et al. September 18, 2 | 2012-09-18 |
Apparatus for restricting access to application module in mobile wireless device and method of restricting access to application module using the same Grant 8,225,393 - Park , et al. July 17, 2 | 2012-07-17 |
Apparatus for detecting intrusion code and method using the same Grant 8,205,256 - Ahn , et al. June 19, 2 | 2012-06-19 |
Method of generating node indentifier in tree structure Grant 8,121,974 - Huh , et al. February 21, 2 | 2012-02-21 |
Distributed Rivest Shamir Adleman signature method and signature generation node Grant 7,971,064 - Yi , et al. June 28, 2 | 2011-06-28 |
Method for generating, operating, and using a sparse w-NAF key for encryption Grant 7,970,134 - Yi , et al. June 28, 2 | 2011-06-28 |
Public key generation method in elliptic curve cryptography and public key generation system executing the method Grant 7,940,936 - Yi , et al. May 10, 2 | 2011-05-10 |
Method and apparatus for generating and verifying digital signature Grant 7,895,438 - Huh , et al. February 22, 2 | 2011-02-22 |
Method for supporting mutual exclusion function and DRM device thereof Grant 7,617,323 - Kim , et al. November 10, 2 | 2009-11-10 |
Weighted secret sharing and reconstructing method Grant 7,551,740 - Lee , et al. June 23, 2 | 2009-06-23 |
Method for encrypting and decrypting data for multi-level access control in an ad-hoc network Grant 7,532,724 - Lee , et al. May 12, 2 | 2009-05-12 |
Content Service Providing Method And Authentication Method Between Devices Using Broadcast Encryption, Display Device, And Resource-constrained Device App 20090097648 - JUNG; Bae Eun ;   et al. | 2009-04-16 |
Method and system for updating time information of a DRM device App 20080195869 - Kim; Hee Jean ;   et al. | 2008-08-14 |
Method for implementing DRM function and additional function using DRM device and system thereof App 20080195864 - Kim; Hee Jean ;   et al. | 2008-08-14 |
Apparatus for encryption and method using the same App 20080187132 - Sung; Maeng Hee ;   et al. | 2008-08-07 |
Method for supporting mutual exclusion function and DRM device thereof App 20080183881 - Kim; Hee Jean ;   et al. | 2008-07-31 |
Apparatus For Detecting Intrusion Code And Method Using The Same App 20080184369 - AHN; Tae Jin ;   et al. | 2008-07-31 |
Method of protecting broadcast frame, terminal authenticating broadcast frame, and access point broadcasting broadcast frame App 20080159535 - Kim; Eun Ah ;   et al. | 2008-07-03 |
Broadcast Encryption Method And Broadcast Decryption Method Thereof App 20080152132 - SUNG; Maeng Hee ;   et al. | 2008-06-26 |
Distributed Rivest Shamir Adleman signature method and signature generation node App 20080155265 - Yi; Jeong Hyun ;   et al. | 2008-06-26 |
Method and apparatus for successive data processing by information exchange App 20080148263 - Jin; Weon Il ;   et al. | 2008-06-19 |
Public key generation method in elliptic curve cryptography and public key generation system executing the method App 20080144816 - Yi; Jeong Hyun ;   et al. | 2008-06-19 |
Method for generating, operating, and using a sparse w-NAF key for encryption App 20080130878 - Yi; Jeong-hyun ;   et al. | 2008-06-05 |
Method and apparatus for local domain management using device with local authority module App 20080118068 - Kim; Dae Youb ;   et al. | 2008-05-22 |
Method of generating node indentifier in tree structure App 20080086448 - Huh; Mi Suk ;   et al. | 2008-04-10 |
Method and apparatus for updating a group key App 20080075286 - Kim; Dae Youb ;   et al. | 2008-03-27 |
Key generation method for self-configuration App 20080072038 - Yi; Jeong-hyun ;   et al. | 2008-03-20 |
Method and apparatus for generating and verifying digital signature App 20080022105 - Huh; Mi-suk ;   et al. | 2008-01-24 |
Method of and device for updating group key App 20080013739 - Kim; Dae Youb ;   et al. | 2008-01-17 |
Method of security management for wireless mobile device and apparatus for security management using the method App 20070232265 - Park; Tae Joon ;   et al. | 2007-10-04 |
Apparatus for restricting access to application module in mobile wireless device and method of restricting access to application module using the same App 20070232268 - Park; Tae Joon ;   et al. | 2007-10-04 |
Method and apparatus for digital signature generation and validation App 20070180256 - Huh; Mi-suk ;   et al. | 2007-08-02 |
Method and apparatus for generating and validating digital signature App 20070174626 - Huh; Mi-suk ;   et al. | 2007-07-26 |
Method and system for CAS key assignment for digital broadcast service App 20060174351 - Park; Sung-Joon ;   et al. | 2006-08-03 |
Data encryption and decryption method using a public key App 20050117745 - Lee, Kyung-hee ;   et al. | 2005-06-02 |
Weighted secret sharing and reconstructing method App 20050111657 - Lee, Kyung-hee ;   et al. | 2005-05-26 |
Method for encrypting and decrypting data for multi-level access control in an ad-hoc network App 20050114660 - Lee, Kyung-hee ;   et al. | 2005-05-26 |