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Allow for communication with Infineon's Blockchain Security 2Go starter kit

Project description

Blockchain Security 2Go starter kit Python Library

This package provides basic functions to communicate with Infineon's Blockchain Security 2Go starter kit. It abstracts all of the commands available with the starter kit with some simple functions.

To get more information about the starter kit go to

Getting Started

To use this library you need some hardware first:

  • A smart card from Infineon's Blockchain Security 2Go starter kit (see here for information about how to get it), and
  • a contactless reader to communicate with the contactless smart card. We recommend to use a reader that is connected via USB (a list is available at

Install Prerequisites

To use the library you need a Python 3 installation (e.g. from or via Anaconda). The BlockSec2Go library depends on pyscard that requires swig. To install swig follow the guides at or follow the hints below.

On Windows, we recommend to use the chocolately package manager:

  • Install the chocolately package manager
  • Open a powershell as administrator mode, run
$ choco install swig

On Linux, run

$ sudo apt-get install swig

For Mac systems, we recommend to use homebrew

$ brew install swig

Install BlockSec2Go

Then, the fastest way to install the library is to get it via pip

$ pip3 install blocksec2go

Remark: When installing Python 3>=3.4 the installer program pip is automatically installed (see

This will install the library, which can be imported as blocksec2go. In addition the blocksec2go command will be installed which can be used to communicate with the card from the command line.

To find out more, run

$ blocksec2go --help

The library is tested with Python 3.7.1 and the Identive Cloud 4700 F Dual Interface reader.

Usage Example

Command Line Tool

Here is an example of how the command line tool could be used

$ blocksec2go get_card_info
  PIN is: disabled
  Card ID (hex): 02058d190004001a002d
  Version: v1.0

$ blocksec2go set_pin 1234
  PUK to unlock card (hex): 5c88ce829a2ed32c

$ blocksec2go generate_keypair
  Key ID: 1

$ blocksec2go get_key_info 1
  Remaining signatures with card: 999990
  Remaining signatures with key 1: 100000
  Public key (hex, encoded according to SEC1): 0434cfd6b1bb53fc244d4881cf1f0d3b9aee7b6ac28aad8a1648fc514101961b59fa7fc58751d0dc876589e467a63ed1582e240cd18b98d408470679418a647833

$ blocksec2go generate_signature --pin 1234 1 00112233445566778899AABBCCDDEEFF00112233445566778899AABBCCDDEEFF
  Remaining signatures with card: 999989
  Remaining signatures with key 1: 99999
  Signature (hex): 3044022049689b91545ba3bc487af7cb7267d19ea4ad8e2e8b093458e06d46837400444702207fe7cd2b6851049afe0f7c4ced0ef35bd9eb5d044c67ed95045b07a10641806c

Python Library

The command line tool is an abstraction of the Python functions that are delivered by this library. Have a look at the implementation of the commands in blocksec2go/cli to see how the functions are used.


To develop/test, it's best to use virtualenv. It allows for installing packages in a "private" environment (for details see (commands intended for Windows in bash, small differences for other OS/shell combinations)

$ virtualenv venv
$ source ./venv/Scripts/activate
$ pip install --editable .

You can now test the library as if it would have been installed. To exit the environment, simply run

$ deactivate

Project details

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