Resumo

RODRIGUEZ VALDES, Osviel; LEGON, C.M.  e  SOCORRO LLANES, Raisa. Security and usability of graphic authentication schemes and techniques.. Rev cuba cienc informat [online]. 2018, vol.12, suppl.1, pp. 13-27. ISSN 2227-1899.

The authentication is a key area in the field of Information Security. In modern times users need to use many digital services. The passwords based on alphanumerical caracters have been the most common and easy to implement. These introduce many issues in the systems they protect because the way users select them. The Graphic authentication techniques have become in alternatives to traditional alphanumerical ones; they are in a great variety and have been prefered for some caracteristics of images to improve password remembering. In this paper is presented a survey of main authentication techniques in order to define the modern trends and also give recomendation starting from the approaches of usability and security.

Palavras-chave : Authentication; Security; Graphical Password; Usability; Graphical Authentication Technique.

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