Structured Card Query Language (SCQL) Java Card Applet

Structured Card Query Language Java Smart Card Applet is an implementation of the ISO 7816-7 standard for smart cards. The implementation allows to run a database on a smart card with limited memory and to execute SCQL APDUs within the database environment.

Related project

scql-interpreter - an interpreter, which translates SCQL commands into APDU calls.

Getting Started

Project is implemented by using Oracle Java Card 3.1. Before running the project, make sure you have installed JDK 11, Java Card Development Kit Tools, Java Card Development Kit Simulator with configured system variables JAVA_HOME and JC_HOME_TOOLS.

All instructions for installing and setting up the environment for the project can be found in the Oracle documentation.

CAP Settings

1. Right click on the imported scql-applet project in Eclipse and select Java Card from the drop down menu. Then select CAP Files Settings;

2. Select scql-applet from the menu and click on the Edit button;

3. From there, select Compact CAP file and click next;

4. In the next window, make sure that the target platform version is 3.1.0. And enable the Support the 32-bit integer type and Output CAP file checkboxes;

5. Switch to the ScriptGen tab and make sure that the Suppress "PowerDown" checkbox is selected and click Finish.