Abstract
The design of Java Card Virtual Machine (JCVM) is the critical part in Java Card development. One of the evaluation standards on Java card is the fast response rate. Embedded a high performance JCVM on the memory constrained devices such as smart card is a great challenge. This paper presents an implementation of JCVM and an off-card/on-card co-design pre-processing approach to speed up the interpreter in JCVM. In the off-card domain, we propose moving part of instruction interpreting off card, performing a static analysis on applet files before downloaded. In the on-card domain, a dynamic analysis for external items reference is adopted with a small amount of addition code. The experiment result shows that our proposed scheme has an improvement of 36.3% on execution rate, therefore it is effective to speed up JCVM and it is available for Java card to raise its responsive efficiency.
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Acknowledgments
The research was supported by the National Natural Science Foundation of China (No. 61402546). The project has also been supported by two Technology Projects of Guangzhou (No. 201604016126) and (No. 201604010110).
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Hong, J., Hu, J., Lin, G. (2018). A Java Card Virtual Machine Design Based on Off-card/On-card Co-design Pre-processing. In: Xu, W., Xiao, L., Li, J., Zhang, C., Zhu, Z. (eds) Computer Engineering and Technology. NCCET 2017. Communications in Computer and Information Science, vol 600. Springer, Singapore. https://doi.org/10.1007/978-981-10-7844-6_2
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DOI: https://doi.org/10.1007/978-981-10-7844-6_2
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