https://github.com/knovichikhin/pyemv

A Python package for EMV cryptography in payment systems
https://github.com/knovichikhin/pyemv

arpc arqc authorization-request-cryptogram authorization-response-cryptogram banking emv emv-pin-change key-derivation library python secure-messaging-confidentiality secure-messaging-integrity tlv tlv-decoder tlv-encoder

Last synced: 19 days ago
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A Python package for EMV cryptography in payment systems

• Host: GitHub
• URL: https://github.com/knovichikhin/pyemv
• Owner: knovichikhin
• License: mit
• Created: 2019-12-06T00:07:08.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2024-03-23T03:05:15.000Z (9 months ago)
• Last Synced: 2024-04-24T09:20:50.016Z (8 months ago)
• Topics: arpc, arqc, authorization-request-cryptogram, authorization-response-cryptogram, banking, emv, emv-pin-change, key-derivation, library, python, secure-messaging-confidentiality, secure-messaging-integrity, tlv, tlv-decoder, tlv-encoder
• Language: Python
• Homepage:
• Size: 83 KB
• Stars: 33
• Watchers: 6
• Forks: 16
• Open Issues: 0
• Metadata Files:
  • Readme: README.rst
  • Changelog: CHANGELOG.rst
  • License: LICENSE.md

Awesome Lists containing this project

README

        
PyEMV

=====

|pypi| |coverage|

``PyEMV`` package provides methods to generate

- Application Cryptograms (TC, ARQC, or AAC) that's used to verify ICC.

- Authorization Response Cryptogram (ARPC) that's used to verify card issuer.

- Secure Messaging Integrity and Confidentiality that's used by the issuer to update values on the ICC.

- Dynamic Card Verification Values.

Installation

------------

``PyEMV`` is published on `PyPI`__ and can be installed from there:

.. code-block::

    pip install pyemv

__ https://pypi.org/project/pyemv/

Modules

-------

- kd - Key Derivation support for ICC master keys and session keys.

- ac - Application Cryptogram support for ARQC, AAC, TC, and ARPC.

- sm - Secure Messaging support for script command integrity and confidentiality.

- cvn - Putting it all together for various Cryptogram Version Numbers.

- cvv - Support for dynamic card verification, such as CVC3.

- tlv - TLV encoder and decoder.

.. |pypi| image:: https://img.shields.io/pypi/v/pyemv.svg

    :alt: PyPI

    :target:  https://pypi.org/project/pyemv/

.. |coverage| image:: https://codecov.io/gh/knovichikhin/pyemv/branch/master/graph/badge.svg

    :alt: Test coverage

    :target: https://codecov.io/gh/knovichikhin/pyemv