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ISO 25186:2026

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

Publication date:   Aug 3, 2026

General information

60.60   Standard published   Aug 3, 2026

ISO

ISO/TC 68/SC 2 Financial Services, security

International Standard

03.060   Finances. Banking. Monetary systems. Insurance | 35.240.15   Identification cards. Chip cards. Biometrics

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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

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PUBLISHED
ISO 25186:2026
60.60 Standard published
Aug 3, 2026