ISO/PRF 25186

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

Scope

The scope of the proposed standard is to provide requirements and guidance for methods for generation, change, and verification of card authentication codes using at least 16-byte block ciphers or hash based MACs of equivalent strength, including time based/dynamic methods.

The following table of contents expresses the intended direction of the work effort, but would be anticipated to change as the work progresses:

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Basic Principles
5 Generation and Verification of Card Security Code (CSC)
5.1 Introduction
5.2 Algorithm for CSC
Annex A (informative) Worked Examples
Bibliography