… Many privacy-preserving two-factor authentication protocols … We propose a privacy-preserving
secure two-factor authentication … description of the proposed scheme is given in Section 5. …

… Although cloud computing is at its inception, there are some serious concerns … verification
tools for security protocols targets to evaluate the heftiness of these in the presence of some …

… attracting many researchers’ attention, several two-factor authentication scheme with …
Anonymous two-factor authentication in distributed systems: Certain goals are beyond attainment…

… purpose of achieving perfect forward security, the two-factor … protocols in GLOMONET
environment, highlights some … with security beyond traditional limit. Ad Hoc Netw 2019;84:5667. …

… authentication scheme aims at increasing authentication … registration, login, and verification
(authentication), as well as some … Upon accomplishment of the registration phase, the user is …

… Some notations used in this paper are listed in Table 1. … the idealized form, security goals
and initiative premises of the … Wang, “On the anonymity of two-factor authentication schemes for …

… found unable to attain truly two-factor security shortly after they … (eg, user anonymity [36]
and repairability) beyond that of … password authentication scheme, we need to store some …

… -preserving authentication scheme is drawing some lessons … For nearly a decade, the history
of the two-factor authentication … our supposed C-02 and the security goal of user anonymity. …

… To attain its goals, our protocol does not use any trusted … two endpoints may get out of
synchronisation after a certain time. … two-factor authentication scheme for preserving anonymity in …

… Finally, we demonstrate that TAKE achieves the security goals … For each game, we define
some events as follows. … Park, “Authenticated key agreement scheme with user anonymity and …