Multifactor authentication to achieve the authentication assurance levels required

摘要

When a user to obtain access to different services, grades of service, for example, can vary from a low value services to high-value services. Low-value, which may indicate that the low intensity of authentication is required, high value may indicate that the high strength of authentication is required to access the service. Service provider, determines the authentication requirements for accessing the first service provided by the SP and (204) are available for authentication associated with a device or user, of one or more authentication elements discovery and (208), at least one of the discovered authentication element, whether it is sufficient whether the determination (210) in order to achieve certification requirements, if so, the implementation of the corresponding authentication procedure ( 212 to 228) and a, method for authenticating the device is disclosed.