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Kee-Young Yoo

Researcher at Kyungpook National University

Publications -  345
Citations -  4525

Kee-Young Yoo is an academic researcher from Kyungpook National University. The author has contributed to research in topics: Authentication & Password. The author has an hindex of 35, co-authored 345 publications receiving 4165 citations. Previous affiliations of Kee-Young Yoo include New Generation University College.

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A lightweight multi-user authentication scheme based on cellular automata in cloud environment

TL;DR: In this paper, an efficient and lightweight multi-user authentication scheme based on cellular automata (CA) in cloud computing environments is proposed which is a randomized evolution of One-time Password (OTP) authentication.
Proceedings ArticleDOI

An Efficient Diffie-Hellman-MAC Key Exchange Scheme

TL;DR: The current paper proposes an efficient Diffie-Hellman-MAC key exchange scheme providing same securities based on the keyed MAC hash function to provide efficiency.
Proceedings ArticleDOI

Cryptanalysis of robust mutual authentication protocol for wireless sensor networks

TL;DR: This paper points out that Chen-Shih's RMA protocol for WSN has some drawbacks: (1) user impersonation attacks by a malicious registered user, (2) GW-node impersonation attacked by amalicious registered users, (3) sensor node impersonation attack by a malice registered user), (4) privileged insider attacks, and (5) time synchronization problem.

A security enhanced remote user authentication scheme using smart cards

TL;DR: The current paper demonstrates that Liaw et al.
Proceedings ArticleDOI

A New Steganography Scheme Based on an Index-Color Image

TL;DR: A new more efficient steganography technique that can be applied in Internet environment that can hide from 1 to 8 bits secret data per pixel, and has no distortion if the number of colors does not exceed 128.