ISO/IEC WD 24760-4

IT Security and Privacy — A framework for identity management — Part 4: Authenticators, Credentials and Authentication

Scope

This document provides guidance on implementing authentication and the use of credentials therein, in particular it:
— describes complementary models for implementing user authentication with different operational aspects;
— specifies requirements for the control of identity information transfer in authentication;
— specifies formal descriptions of authentication methods;
— specifies requirements for authenticators as credentials 

managing the lifecycle,                                                                                                                                                                                                 
binding to a principal,                                                                                                                                                                                                   
use in a federated context.”