A Python package for EMV cryptography in payment systems
Project description
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:
pip install pyemvModules
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.
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