Hamdi Murat Yıldırım

Contact Information / İletişim Bilgileri

Department of Computer Technology and Information Systems, Bilkent University
East Campus, C Building, Office C206, Bilkent, 06800, Ankara, Turkey
Phone +90 (312) 290 50 72
E-mail   --> My PGP Key <--

Bilgisayar Teknolojisi ve Bilişim Sistemleri Bölümü, Bilkent Üniversitesi
Doğu Kampüsü, C Binası, Ofis C206, Bilkent, 06800, Ankara, Türkiye
Telefon +90 (312) 290 50 72
E-posta  

Courses (Spring 2016-2017)

-> CTIS 261 Computer Networks I (Sec. 001)
-> CTIS 264 Computer Algorithms (Sec. 001)
-> CTIS 496 Data Security in Computing (Sec. 001 )

Seminars and Lectures

Education / Eğitim

Ph.D. : Mathematics, Middle East Technical University (METU), Turkey, 2007
M.S. : Information Systems, Informatics Institute, METU, Turkey, 2002
M.S. : Mathematics, METU, Turkey, 2000
B.Sc. : Mathematics, METU, Turkey, 1997

Publications

Theses
1. Ph.D. Thesis (in Mathematics) Algebraic Properties of The Operations Used in the Block Cipher IDEA”, 2007
2. Ms. Thesis (in Mathematics) “Nonlinearity Properties of The Mixing Operations Used in the Block Cipher IDEA”. 2000
3. Ms. Term Project (in Information Systems) “Some Linear Relations for Block Cipher IDEA”, 2002,
Conference Proceedings
1. H. M. Yıldırım, “Nonlinearity Properties of The Mixing Operations Used in the Block Cipher IDEA(>pdf<), Progress in Cryptology - INDOCRYPT 2003, LNCS 2904, pp. 68-81. Berlin: Springer- Verlag, 2003. The 4th International Conference on Cryptology in Indian, December 8-10, 2003, New Delhi, India.
2. H. M. Yıldırım, E. Akyıldız. “New Properties of IDEA Cipher Operations”, National Cryptology Symposium I, METU, Proceedings Book, pp. 156-166, November 18-19-20, 2005.


3. Çalık, Ç., Sever, H. M. Yıldırım and Z. Yüce, “A Survey of Certified Electronic Mail Protocols”, Proceedings of 4th International Information Security and Cryptology (ISC) Conference, pp 45-50, 06-08 May 2010, Culture & Convention Center, METU, Ankara, Turkey.

Journal Paper
H. M. Yıldırım with A. Biryukov and J. Nakahara Jr, Differential Entropy Analysis of the IDEA Block Cipher”, Journal of Computational and Applied Mathematics 259 (2014) 561-570
Preprints
H.M. Yıldırım , and E. Akyıldız, "Algebraic Properties of the Operations used in Block Cipher IDEA"(>pdf<), March 8, 2007 (Preprint #17,Institute of Applied Mathematics, METU )


Extended Abstracts
H. M. Yıldırım with A. Biryukov and J. Nakahara Jr, ???Differential Entropy Analysis of the IDEA Cipher???, accepted to “International Conference on Applied and Computational Mathematics”, Ankara, Turkey, October 3-6, 2012

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