Development Resources

Circle Script Tool v1.0.4

A tool to read, write and run scripts to control a connected Circle smart card reader

Circle Reader Check Tool v1.0.0.5

A tool to check the system of updated reader drivers and verify the functionality of a connected Circle USB smart card reader

New

Circle Web Smart Card SDK v1.0.0.0

The Circle Web Smart Card SDK enables seamless integration of Circle smart card readers into web applications, featuring a Windows service, JavaScript library, and a demo website for implementation reference.

Circle Bluetooth Card Access Tool

An app to obtain information and exchange commands between an Circle Bluetooth® smart card reader and the smart card

New

Circle Sample Codes - Swift v1.00

These Swift sample codes for iOS and iPadOS demonstrate how to integrate Circle smart card readers via the USB communication protocol using Apple's CryptoTokenKit framework

New

Circle Sample Codes - Python v1.02

These Python sample codes showcase cross-platform solutions for interacting with smart card readers using PC/SC protocols and escape commands

New

Circle Sample Codes - C v1.00

These C sample codes for Linux illustrate how to use PC/SC standards with smart card readers, featuring escape commands for device configuration

New

Circle Sample Codes - C v1.00

These C language sample codes for mac OS demonstrate how to interface with smart card readers using PC/SC communication protocols

Circle USB Android Library v1.4.8

This library is a java module for Android applications to communicate with Circle USB smart card reader through the Java Smart Card I/O API.

Circle Bluetooth Android Library v1.4.9

This library is a java module for Android applications to communicate with Circle Bluetooth® smart card reader through the Java Smart Card I/O API.

Circle Bluetooth iOS Swift Library v1.5.8

This library provides a Swift framework used for iOS applications to communicate with Circle Bluetooth® smart card reader through a derived version of the Java Smart Card I/O API.