Information and Communications University

About: Information and Communications University is a based out in . It is known for research contribution in the topics: Quality of service & CMOS. The organization has 1186 authors who have published 1811 publications receiving 30258 citations.

An Identity-Based Signature from Gap Diffie-Hellman Groups

Abstract: In this paper we propose an identity(ID)-based signature scheme using gap Diffie-Hellman (GDH) groups. Our scheme is proved secure against existential forgery on adaptively chosen message and ID attack under the random oracle model. Using GDH groups obtained from bilinear pairings, as a special case of our scheme, we obtain an ID-based signature scheme that shares the same system parameters with the ID-based encryption scheme (BF-IBE) by Boneh and Franklin [BF01], and is as efficient as the BF-IBE. Combining our signature scheme with the BF-IBE yields a complete solution of an ID-based public key system. It can be an alternative for certificate-based public key infrastructures, especially when efficient key management and moderate security are required.

An Identity-Based Signature from Gap Diffie-Hellman Groups.

Abstract: In this paper we propose an identity(ID)-based signature scheme using gap Diffie-Hellman (GDH) groups. Our scheme is proved secure against existential forgery on adaptively chosen message and ID attack under the random oracle model. Using GDH groups obtained from bilinear pairings, as a special case of our scheme, we obtain an ID-based signature scheme that shares the same system parameters with the ID-based encryption scheme (BF-IBE) by Boneh and Franklin [BF01], and is as efficient as the BF-IBE. Combining our signature scheme with the BF-IBE yields a complete solution of an ID-based public key system. It can be an alternative for certificate-based public key infrastructures, especially when efficient key management and moderate security are required.

Mobile internet acceptance in Korea

Abstract: Purpose – The increasing number of M‐internet subscribers and the fast growing revenue proves the great potential of M‐internet as well as the enormous business opportunity in Korea. The success in this business is dependent on understanding the concerns of customers and identifying the factors that promote the use of M‐internet. Thus, this paper aims to examine the human motivations underlying individual behavioral intention to use M‐internet in Korea.Design/methodology/approach – Employs TAM (technology acceptance model) as the base model and develops a more comprehensive version of TAM to better reflect M‐internet context. The model employs perceived playfulness, contents quality, system quality, internet experience and perceived price level, in addition to perceived usefulness and ease of use. Investigates the causal relationships among the constructs used in this revised TAM and identifies the direct and indirect causal role of the constructs in developing the intention to use M‐internet.Findings – F...