Two Birds with One Stone: Two-Factor Authentication with Security Beyond Conventional Bound

As the most prevailing two-factor authentication mechanism, smart-card-based password authentication has been a subject of intensive research in the past two decades, and hundreds of this type of schemes have wave upon wave been proposed. In most of these studies, there is no comprehensive and systematical metric available for schemes to be assessed objectively, and the authors present new schemes with assertions of the superior aspects over previous ones, while overlooking dimensions on which their schemes fare poorly. Unsurprisingly, most of them are far from satisfactory-either are found short of important security goals or lack of critical properties, especially being stuck with the security-usability…

• NN
  National Natural Science Foundation of China

  Award: 61472016; 61501333