Bilgisayar Mühendisliği Bölümü Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.11779/1940

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  • Book Part
    Citation - Scopus: 3
    The Use of Neurometric and Biometric Research Methods in Understanding the User Experience of First-Time Buyers in E-Commerce - Book Chapter 94
    (Elsevier, 2018) Çakar, Tuna; Çakar, Tuna; Rızvanoğlu, Kerem; Çelik, Deniz Zengin; 02.02. Department of Computer Engineering; 02. Faculty of Engineering; 01. MEF University
    User experience (UX) research has attracted increasing attention especially in the last decade as the demand for online shopping has increased by 30.7% from 2014 to 2015 in Turkey. The traditional methods including surveys/questionnaires, think-aloud procedures, and in-depth interviews have contributed greatly for understanding the problems during the use of shopping internet sites. On the other hand, the use of neuroscientific methods, such as biometrics and neurometrics, has also grabbed attention with the exciting idea of providing an objective means of understanding cognitive and affective processes during the user experience during online shopping. Despite significant/strong limitations, many researchers are interested in exploring actively its potential use in the field.
  • Conference Object
    Citation - WoS: 1
    Citation - Scopus: 1
    Security Analysis of Revocable and Bipartite Biotokens
    (IEEE, 2015) Sarıer, Neyire Deniz; Saner, Neyire Deniz; 01. MEF University
    In this paper, we analyze the security of bipartite biotokens that release a secret key hidden in the biotoken by using biometrics. We show that the biotoken encoding of 80/112/128-bit symmetric encryption keys are vulnerable to brute force attacks, whose complexity is lower than cryptographic security. Also, we present the weaknesses in the design of revocable biotokens that form the basis for bipartite biotokens. Finally, we propose countermeasures to prevent these attacks and discuss the employment of other efficient cryptographic techniques that possess provable security guarantees.