Title	A Service Composition-Oriented Workflow Paradigm
Author	Wanchun Dou, Shijie Cai
Citation	Vol. 6  No. 1  pp. 136~146
Keywords	Certificate, Workflow, Service Computing, Web Service, Time Constraint, QoS, Temporal Logic

Title	PEPSI (Privacy-Enhanced Permanent Subject Identifier) Embedded in X.509 Certificate
Author	Jaeil Lee, JongWook Park, Seungjoo Kim, JooSeok Song
Citation	Vol. 6  No. 6  pp. 204-208
Keywords	PKI, X.509, Certificate, CA, User authentication, Privacy

Title	Public-Key Management System using Hamming Distance for Mobile Ad Hoc Network
Author	Seok-Lae Lee, Joo-Seok Song
Citation	Vol. 6  No. 8  pp. 172-180
Keywords	Public-key, Private key, Certificate, Ad hoc network, Hamming Distance

Title	Classifying the Security Level of User Authentication for Secure Computing
Author	Jong-Whoi Shin
Citation	Vol. 7  No. 10  pp. 40-43
Keywords	Authentication, security levels, public key certificate, self-certified public key