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Introduction

What's New

System Requirements

Installation

Known Issues

Documentation

Product Information

Java Card technology enables secure elements, such as smart cards and other tamper-resistant security chips to host applications called applets, which employ Java technology.

Java Card technology offers a secure and interoperable execution platform that can store and update multiple applications on a single resource constrained device, while retaining the highest certification levels and compatibility with standards. Java Card developers can build, test, and deploy applications and services rapidly and securely. This accelerated process reduces development costs, increases product differentiation, and enhances value to the customers.

The Java Card Development Kit is a suite of tools for designing implementations of Java Card technology and developing applets based on the Java Card Specifications. It is available as two independent downloads:

Together, these two downloads provide a complete, stand-alone development environment in which applications written for the Java Card platform can be developed and tested.

These release notes describe the Java Card Development Kit Simulator, Version 25.0, which is based on version 3.2 of the Java Card Platform Specifications.

The complete set of Java Card Development Kit Simulator and Eclipse Plugin features is described in the Java Card Development Kit Simulator User Guide v25.0 in theJava Card Documentation web site.

New Features

• Visual Studio Code – The Java Card Development Kit v25.0 provides a launch configuration which, together with the Oracle Java Platform Extension for Visual Studio Code, permits to develop, debug and test a Java Card application using Visual Studio Code, while benefiting from features like formatting and linting.
• Simulator - OpenSSL – The Java Card Development Kit Simulator is delivered with the OpenSSL shared library 3.0 updated to the version 3.0.16 for 32-bit machine architecture.
• Simulator - Java Card API – Add the support for AES with Counter mode – CTR. A Cipher object instantiated withCipher.ALG_AES_CTR or Cipher.CIPHER_AES_CTR constants permits to process blocks of data that may not have been received in their final order. That is, it allows for pipelining and parallelization.
• Simulator - GlobalPlatform – the security mechanism used to protect the integrity of the Java Card applications installed on the platform now supports Load File Data Block Hash (LFDBH) with SHA-384 and SHA-512 algorithms in addition to the SHA-256 and SHA-1.
• Samples – the build script now uses `-release 10` to compile java source files generating class files with format version 54 instead of 51 and allowing the use of latest JDK versions (>JDK17). SeeJava Card Development Tools Release Notes v25.0 for more details.

Bug Fixes

• Simulator - JCAPI – Fix Cipher internal context update after adoFinal operation.
• Simulator - JCAPI – Fix issue inSignature.getLength() throwingSecurityException when using an EC key with shared domain parameters.
• Simulator – JCAPI – Fix issue inSignature.getCipherAlgorithm() returning incorrect constant for EDDSA (ed25519, ed448).
• Simulator - JCAPI – Fix issue inKeyAgreement.generateSecret() when incorrect public data is used for ALG_EC_PACE_GM.
• Simulator - GlobalPlatform – Fix the implementation of theSecureChannelx2 interface:
  • Fix issue when input/output buffers are in NVM (Non-Volatile Memory).
  • Fix issue when using invalid parameters.
• Simulator - GlobalPlatform – Fix Card Capability Information for privileges that may be assigned to Applications.
• Simulator - GlobalPlatform – Fix incorrect parameters when callingPersonalisation.processData() orApplication.processData() methods.
• Simulator - GlobalPlatform – Fix returned error status if DELETE command is sent without token in Delegated Management context.
• Eclipse Plugin – Fix the Load command invoked from the terminal.
• Eclipse Plugin - Fix support of a run configuration for a Java Card project including multiple CAP files.

The Java Card Specifications, Development Kit Simulator, and Development Kit Tools must be downloaded and installed individually.

• See theDownloading the Specification Documents topic of theJava Card Platform Specification Release Notes, Version 3.2 for more details on how to download the Java Card Specification bundle.

• See theInstallation topic of theJava Card Development Kit User Guide for more details on how to install the Java Card Development Kit Simulator and Java Card Development Kit Tools.

This release of the Java Card Development Kit Simulator contains Java Card simulation environment and Eclipse plug-in.

There are no known issues.

The Java Card Technology website provides useful information about the Java Card product.

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website athttp://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.