Free online tools for payment security: PIN Block calculator (ISO 9564), LUHN validator, TLV/EMV parser, XOR calculator, data converter, and 50+ premium cryptographic tools. Built for payment security engineers, issuers, acquirers, and processors.
KeyLab is a platform built for payment security professionals. It includes 50+ cryptographic tools such as PIN Block calculators, LUHN validators, TLV/EMV parsers, XOR calculators, 3DES/AES encryption, DUKPT key derivation, and an interactive HSM simulator.
Yes — every cryptographic tool, the full Calculator suite, and 5 standalone utilities (Data Converter, PIN Block, LUHN, XOR, TLV/EMV Parser) are free with no account required. The HSM Simulator and the AI assistant require a free account (no payment) so your sessions and credits persist across devices.
KeyLab supports PIN Block (ISO 9564), DUKPT key derivation, 3DES and AES encryption/decryption, Post-Quantum Cryptography (ML-KEM, ML-DSA, SLH-DSA), CVV/CVC generation, key management (KEK, ZMK, ZPK), EMV scripting, MAC calculation, RSA operations, Brazilian Payment System (SPB/PIX), and Thales payShield 10K HSM command simulation.
KeyLab's HSM Simulator is an interactive emulator of the Thales payShield 10K Hardware Security Module. Practice real HSM host commands with actual cryptographic algorithms, no physical hardware required.