Using master cards to configure the SpringCore devices

SpringCore is the umbrella name to the new generation of SpringCard devices (Puck, SpringPark, etc.) that share the same MCU platform and the same overall architecture. All the devices in this family could be configured easily and securely thanks to SpringCard 2nd generation of master cards.

A master card v2 is a Desfire EV1 (or later) contactless card, that contains the configuration parameters you want to apply to many devices. The data are protected by AES128 for authentication and secure communication, and their authenticity is validated by an ECC256 digital signature.

Thanks to this robust security scheme, only your devices can read and accept your master cards, while refusing (and being actually unable to read) master cards created by 3rd parties. Symmetrically, only the devices that you have commissioned with your own key-set are able to read your master cards, thus protecting your assets (secret keys and specific configuration parameters) against any unwanted disclosure, even if the master card is lost or stolen.

This article shows how-to create master cards v2 using springcoremastercard.exe tool and/or SpringCard Companion, and what are the best practices to use them efficiently and securely.

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Writing a configuration with springcoreconfig.exe

SpringCore is the umbrella name to the new generation of SpringCard devices (Puck, SpringPark, etc.) that share the same MCU platform and the same overall architecture. springcoreconfig.exe, a software from the SpringCore Tools suite, is the command-line utility to manipulate device configurations. It is typically intended to upload a complete configuration at once, but is also able to edit registers one by one.

This article shows how springcoreconfig.exe works.

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Getting started with SpringCard Companion

SpringCard Companion is the new all-in-one solution to manage, configure and update the latest generation of SpringCard "SpringCore" devices (Puck, SpringPark, etc). SpringCard Companion is an hybrid application that combines a clean, efficient and always up-to-date web front-end with a tiny local software, the Companion Service, that is the gateway between the cloud and the devices connected to your computer or local network.

As such, the Companion Service is also the base component to connect any application built for the web with the 'physical world' of PC/SC couplers and Smart Readers, using only simple WebSocket and REST API calls.

Before you start using SpringCard Companion Web application (available at companion.springcard.com) you should install the Companion Service on a Windows computer.

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