Academic Catalog

IAM512 BLOCK CIPHERS

Course Code:	9700512
METU Credit (Theoretical-Laboratory hours/week):	3(3-0)
ECTS Credit:	8.0
Department:	Institute Of Applied Mathematics
Language of Instruction:	English
Level of Study:	Masters
Course Coordinator:	Assist.Prof.Dr BUKET ÖZKAYA
Offered Semester:	Fall and Spring Semesters.

Course Content

General principles. Shannon’s Theory: Perfect Secrecy. Entropy. Huffman Encoding and Entropy. Properties of Entropy. Spurious Keys and Unicity Distance. Descriptions of DES and AES Semi-Finalist Algorithms: Rijndael. Mars. Serpent. Twofish and RC6. Boolean Functions. Correlations and Walsh Transforms. Cryptographic Criteria: Propagation Characteristics. Nonlinearity and Resiliency. Generalization to S-Boxes. Differential Cryptanalysis and Linear Cryptanalysis. NIST Tests for the Evaluation of the Algorithms and Performance Comparison of AES Semi-Finalist Algorithms.