According to their method the network nodes self-generate public/private key pairs, issue certificates to any adjacent nodes, keep these certificates in their certificate repositories, and provide authentication service adaptively and quickly to the dynamic topology of the network without relying on any centralized entities.
Even if EAP-AKA protocol provides authentication services in UMTS-WLAN interworking networks, a fast re-authentication of EAP-AKA protocol still cannot overcome high re-authentication delays and delay-sensitive applications.
IP Security Protocol (IPsec) provides authentication services through the use of public key encryption, digital signature, and secure hashing tools; it provides privacy services through the use of public and secret key encryption as well.
Omitted from Figure 1 are cloud services that provide authentication such as lightweight active directory protocol servers and trusted computing techniques as they are outside the scope of this survey.
ICIMI uses IdP/SP model to provide Authentication, where Home Cloud performs one-time authentication to access the federated Foreign Cloud services that are in its shared trusted domain thus follows the SSO mechanism.
Companies such as Sproxil have partnered with drug manufacturers to provide mHealth authentication services to the purchasing public.
Collectors Universe, Inc. provides authentication and grading services to dealers and collectors of high-value coins, trading cards, event tickets, autographs and memorabilia.
This system provides Authentication via SSO mechanism that requires the user to use single identity credentials for accessing multiple services and resources that are provided by distinct SPs.
Orthus provides Authentication of a compliant entity to a realm, and a clear demarcation between realm membership verification and service access.
