tr-31
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Rust library related to payment security standards
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Feb 9, 2024 - Rust
This fork extends CyberChef with a focused set of payment cryptography operations intended for engineering, debugging, and interoperability work in regulated payment environments.
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May 25, 2026 - JavaScript
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.
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May 23, 2026
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