Title	A Study on DRM System for On/Off Line Key Authentication
Author	Kun-Won Jang, Chan-Kil Park, Jung-Jae Kim, Moon-Seog Jun
Citation	Vol. 6  No. 2  pp. 233~238
Keywords	DRM, Symmetric key, Agent, PKI.

Title	A Digital Right Management System using Shared Key Pool for Multimedia Data Protection
Author	Jae-Pyo Park, Moon S.Jun
Citation	Vol. 6  No. 4  pp. 114-121
Keywords	DRM, PKI, Shared key pool, Licensing agent, Double buffer

Title	u-DRM: A Unified Framework of Digital Rights Management based on RFID and Application of Its Usage Data
Author	Jong Hwan Suh, Sang Chan Park
Citation	Vol. 6  No. 8  pp. 151-155
Keywords	DRM, RFID, Usage data

Title	Interoperability Mechanisms for Registration and Authentication on Different Open DRM Platforms
Author	Carlos Serr?o, Victor Torres, Jaime Delgado, Miguel Dias
Citation	Vol. 6  No. 12  pp. 291-303
Keywords	DRM, interoperability, security, registration, authentication