jPOS Project

ISO 8583 gateway

ISO8583 Message Packer and Unpacker with ISOClient in Java

jPOS Extended Edition

Spec-driven ISO 8583 parser and builder for Go — supports primary/secondary bitmaps, LLVAR/LLLVAR, BCD encoding, and typed field errors.

ISO 8583 Breaker

ISO 8583 Message Parser using JavaScript

Sample project for Chimera

Hands-on tutorial covering ISO-8583 messaging protocol implementation using jPOS framework for financial transaction processing

A stdlib-only ISO-8583 messaging and payment-switching framework for Go — type-safe field access, zero-copy decode, a pluggable codec catalog, and goroutine-native concurrency.

A simple PoC to demonstrate basic card transaction processing on PAX M50 device.

Payment cryptography workflow library. EMV, DUKPT, PIN blocks, MAC, card validation, TR-31/TR-34, and HSM command inspection. Inspectable recipes for development, testing, and interoperability.

This fork extends CyberChef with a focused set of payment cryptography operations intended for engineering, debugging, and interoperability work in regulated payment environments.

A production-grade payment gateway that bridges legacy ISO 8583 networks and modern cloud-native payment systems.

Paste raw hex → see the parsed ISO 8583 message instantly. Decode MTIs, visualize bitmaps, explore 128 data elements with 1,088 MCC codes. Built for payment engineers.

It is a demo for scanning card and read all the information for all cards by NFC or ISO 7816