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Implementation of PKI Based Certificate Using on a Java Card
Hayong Jeon,Sewon Oh,Minsoo Jung 한국멀티미디어학회 2008 한국멀티미디어학회 국제학술대회 Vol.2008 No.-
In most cases, PKI based public certificates were usually saved on a PC or USB memory. However, Certificates are saved on a PC or USB memory, they are likely to be used for a malicious purpose such as hacking. A HSM refers to certificate related applications saved on a chip similar to a smart card. Use of the chip has strengthened its security features, but it has a major shortcoming that may not store other applications on a HSM manufactured by a certain vendor. In this paper, we have designed a system that implements the functions of the HSM on a JavaCard where various application can be stored.
IMPROVEMENT OF JCVM SYSTEM'S ARCHITECTURE FOR SMART CARD USING LARGE MEMORY SYSTEM
Dongwook Lee,Sewon Oh,Yoonsim Yang,Wonho Choi,Hayong Jeon,Chuljoon Hwang,MinSik Jin,Minsoo Jung 한국멀티미디어학회 2006 한국멀티미디어학회 국제학술대회 Vol.2006 No.-
Java Card System first backups the previous data about Java objects into the transactionbuffer, then writes new data into EEPROM, during the downloading and execution of Java Card's application called an applet. Java Card technology supports both persistent object stored in EEPROM and transient objects stored in RAM because of the high limitation of its memory resources. In this paper, we made a suggestion on how to improve the speed of the execution by using the improved data store mechanism and memory structure. We moved Java Objects stored heap area in EEPROM into RAM. It makes Java Card much faster and is similar with the execution of application and the memory management in Java System of PC environment.