A Forward-secure Efficient Two-factor Authentication Protocol

ePrint Report: A Forward-secure Efficient Two-factor Authentication Protocol

Steven J. Murdoch, Aydin Abadi

Two-factor authentication(2FA)schemes that rely on a combination of knowledge factors (e.g., PIN) and device possession have gained popularity. Some of these schemes remain secure even against strong adversaries that (a) observe the traffic between a client and server, and (b) have physical access to the client’s device, or its PIN, or breach the server. However, these solutions have several shortcomings; namely, they (i) require a client to …

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