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CmpE 579 Seminar: Formal Analysis and Modeling of Group Key Agreement Protocols
- Start time: 12:00pm, Tuesday, March 28th
- End time: 01:00pm, Tuesday, March 28th
- Where: AVS Conference Room, BM
Orhan Ermis, Computer Engineering Department, Bogazici University, Istanbul
Orhan Ermis has been a research associate in TAM Project at Bogazici University since 2009 and he has been pursuing his PhD study in Department of Computer Engineering at Bogazici University. He received his BS and MS degrees both from Bahcesehir University, Computer Engineering Department in 2005 and 2007 respectively. Mr. Ermis was teaching assistant between 2005 and 2008 and later an instructor until 2009 at Bahcesehir University. His research interest includes computer networks, network security, cryptography and security protocols.
The pervasive usage of the Internet has made secure group communications a significant issue. Group key agreement protocols are one of the most important cryptographic protocols that provide secure group communications with lower computational cost. However, providing key agreement for dynamic groups in an efficient manner is a challenge issue. Dynamic group key agreement protocols are used for solving this issue. In this seminar, first, I will present an improved Dynamic Conference Key Agreement Protocol (DCKAP) with dynamic group capabilities. Then, another Key Agreement Protocol with Partial Backward Confidentiality (KAP-PBC) will be introduced. In order to show the applicability of KAP-PBC, we present the Private File Sharing System (PFSS). Later, implementation of DCKAP and on Three-Tier Secure File Sharing System (TT-SFSS) will be presented. Moreover, I will introduce another important Group Key Agreement Protocol for Mobile Ad Hoc Networks (GKAP-MANET), which providesÂ secure cluster head selection mechanism and more efficient group key computation. Furthermore, I will present a proof of concept case study in order to show the secure communications among entities in a disaster area. Finally, I will conclude my talk with potential future research topics on group key agreement protocols and file sharing systems.
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