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.
PyEMV is published on PyPI and can be installed from there:
pip install pyemv
- 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.