Install and Setup the PCSC-Lite and IFD Handler

The Java Card Development Kit Simulator works with smart card terminals in Linux operating system by using the PCSC-Lite and the IFD Handler which comes with the bundle.

These are the steps to install, setup, and configure the PC/SC Daemon known as pcscd and the IFD Handler library named libjcsdkifdh.so located in the JC_HOME_SIMULATOR/drivers/IFDHandler/ directory, and how to run it with the simulator.

Update apt database.
```
sudo apt update
```
Install middleware to access a smart card using PC/SC Daemon.
```
sudo apt install -y pcscd
```
Install pcsc-tools.
```
sudo apt install -y pcsc-tools
```
Create a new file named jcsdk_config in the PC/SC Daemon default configuration directory named /etc/reader.conf.d.
```
sudo touch /etc/reader.conf.d/jcsdk_config
```

Add a reader configuration for the IFDHandler implementation library named libjcsdkifdh.so, in the above-mentioned configuration file, jcsdk_config, as described below.

# Configuration to interact with the Oracle PCSC Reader for Linux
FRIENDLYNAME   "Oracle JCSDK PCSC Reader Demo 1"
DEVICENAME     127.0.0.1:9025
LIBPATH        /<absolute-path-to-jc-simulator>/drivers/IFDHandler/libjcsdkifdh.so

Run PC/SC Daemon with the new configuration for the Java Card Development Kit Simulator IFD Handler.
Use the following command to start a new daemon on the foreground for debugging.
```
sudo pcscd -f -d -a
```
Or, use the following to restart the pcsc daemon if it is already running. It will refresh the configuration of the reader.
```
sudo systemctl restart pcscd
```
To verify that the pcscd configuration is reflected in the new daemon, run pcsc_scan to list the available readers. "Oracle JCSDK PCSC Reader Demo 1" should be in the list.
Run the simulator for Linux.
Note: LD_LIBRARY_PATH must be updated with the OpenSSL libraries.
```
cd ${JC_HOME_SIMULATOR}/bin
./jcsl
```
(Optional) Launch the simulator with desired debugging level.
```
./jcsl -log_level=finest
```
Use any client for sending PC/SC commands to the Simulator.