Card Related Testing Libraries | Code Magus Limited

Software testing, data communications, problem and performance analysis, technical development.

Card Related Testing Libraries

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Code Magus supplies payment card related libraries that are suitable for production or test environments. We also provide cross language interface wrappers for various programming languages; for example (but not limited to) PHP and Java.
Use our Web based tools to try out the functionality that these libraries offer:

  • Derived Unique Key Per Transaction (DUKPT) Functions (Try)

    This library implements double length key DUKPT from The American National Standards Institute for Financial Services: ANSI X9.24-1:2009. Retail Financial Services Symmetric Key Management Part 1: Using Symmetric Techniques.

  • PIN Encryption and Decryption Functions (Try)

    This library implements Format 0 PIN Block Generation using single, double and triple length session keys, optionally encrypted under a single, double or triple length zone key from The American National Standards Institute for Financial Services: X9.8-1:2003 Banking – Personal Identification Number Management and Security – Part 1: PIN protection principles and techniques for online PIN verification in ATM & POS systems.

  • Functions to Compute Card Verification Values (Try)

    This library computes a VISA Card Verification Value (CVV) and an AMEX Card Security Code (CSC).

  • EMV Card Functions (Try)

    This library implements

    • AEIPS Chip Card Specification (AEIPS 4.1) February 2005
    • VISA Integrated Circuit Card – Card Specification Version 1.4.0 Effective 31 October 2001
    • M/Chip Functional Architecture for Debit Credit January 2006

    From EMV Integrated Circuit Card specifications for Payment Systems – Book 2 Security and Key Management Version 4.1 May 2004


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