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ISO 25186

Financial services — Methods for the generation and verification of card security codes

General information

60.00     Jun 19, 2026

ISO

ISO/TC 68/SC 2

International Standard

03.060     35.240.15  

Scope

This document defines a method for generating and verifying card security codes (CSCs) using cipher-based message authentication code (CMAC) or keyed-hash message authentication code (HMAC).
Key management mechanisms associated with these processes are beyond the scope of this document.

Life cycle

NOW

PROJECT
ISO 25186
60.00 Standard under publication
Jun 19, 2026