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'Python package for working with payment card systems'

Project description

Cardutil is a python package for working with payment card systems including command line tools for working with Mastercard IPM files.

License Version Wheel Implementation Status Downloads per month Python versions Documentation Status


  • ISO8583 message parsing

  • Mastercard IPM file reader/writer/encoder

  • Check digit calculator

  • Encrypted pin block generator

  • Visa PVV calculator

  • Permissive license (MIT)


Install and update using pip:

pip install -U cardutil


  • Supports python 3.6 and later.

  • Pythonic programmer interfaces

  • Core library has zero package dependencies.

  • Low memory usage

  • Download from pypi

  • Documentation available at readthedocs

  • Source hosted at GitHub


The python hexdump library is embedded in this package. Many thank to Anatoly Techtonik <> This library is a life saver for debugging issues with binary data. Available at Pypi:hexdump.

The iso8583 module in cardutil was inspired by the work of Igor V. Custodio from his original ISO8583 parser. Available at Pypi:ISO8583-Module.

Mastercard is a registered trademark of Mastercard International Incorporated.

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