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The Development Kit for the Java Card platform (“Java Card Development Kit”) is a suite of tools for designing Java Card technology-based implementations and for developing applets based on the Application Programming Interface for the Java Card™ Platform, Version 2.2.1 .
As illustrated in FIGURE 1, the data flow starts with Java source being compiled and input to the Converter. The Converter tool can convert classes that comprise a Java package to a converted applet (CAP) or a Java Card technology-based Assembly (“Java Card Assembly”) file. A CAP file is a binary representation of converted Java package.
A Java Card Assembly file is a human-readable text representation of a converted package which you can use to aid testing and debugging. A Java Card Assembly file can also be used as input to the capgen tool to create a CAP file.
Not shown in the figure is a utility called capdump, which produces a simple ASCII version of the CAP file to aid in debugging.
CAP files are processed by an off-card installer (scriptgen). This produces an APDU script file as input to the apdutool, which then sends APDUs to a Java Card RE implementation.
Any implementation of a Java Card RE contains a virtual machine (VM) for the Java Card platform (“Java Card virtual machine”), the Java Card Application Programming Interface (API) classes, and support services.
FIGURE 1 also illustrates other Java Card REs which may be available in other products. In this release, the only Java Card RE provided is written in the C programming language.
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Development Kit User's Guide
for the Binary Release with Cryptography Extensions Java Card Platform, Version 2.2.1 |
Copyright © 2003 Sun Microsystems, Inc. All rights reserved.