課程摘要 | 課本閱讀 | |
---|---|---|
第一週,第二週 (9/19, 9/26) | 課程簡介, 課程要求, Textbook, Cryptography terminology, Basic communication scenario, Types of attacks, attacks to the cryptography algorithms, Kerckhoffs's Principle, Security Services, Secret Key vs Public Key Cryptosystems, Key Length Issues, Slides | chap 1 |
第三週,
第五週 (10/03, 10/17) |
Unbreakable Cryptosystems, One-time pad, Modern Cryptography, Security Notions in Cryptography, 資訊安全的定義, 電腦安全的威脅, 資訊安全課題, Cryptographic Applications, Focus of this class, Why staying in this class? Aspects of Modern Cryptography, Slides , Classical Ciphers - Shift Cipher, Affine Cipher, Substitution Cipher, Vigenere Cipher, Block Cipher, Hill Cipher, Shannon's Principles, Letter Frequency Analysis, Stream Ciphers Slides | chap 1 chap 2 |
第六週 (10/24) | Congruence, GCD, Euclidean Algorithm, Extended Euclidean Algorithm, Multiplicative Inverse, Solving ax=b mod n, Slides | chap 3, homework 1 |
第七週 (10/31) | Group, Abelian Group, Cyclic Group, Ring, Field, apply modulo whenever you can, Fast exponentiation, CRT, Slides | |
第八週 (11/07) | CRT, Matlab samples, CRT 2nd solution interpretation, square root example,Prime numbers (Basics, Prime Number Theorem, Factors, Fermat Little Theorem, Euler Totient function, Euler Theorem, Primitive Root, Square Root), Slides | chap 3 |
第九週 (11/14) | 期中考試 13:20-15:20 | |
第十週 (11/21) | DES History, Feistel System, A simple DES, Design of f(.,.), 3-round differential cryptanalysis, 4-round differential cryptanalysis, Slides, Tutorial of differential and linear attacks by Heys |
homework2 |
第十一週 (11/28) | DES design criteria, DES, Linear Cryptanalysis, Is DES a group?, Modes of Operation (ECB, CBC, CFB, OFB, Counter), Slides |
chap 4 |
第十二週 (12/05) | AES, (請注意 12/01 期中退選截止) | chap 5 |
第十三週 (12/12) | RSA Cryptosystem
slides |
chap 6 homework4 |
第十四週 (12/19) | RSA and Factoring, slides | chap 6 |
第十五週 (12/26) | RSA and Factoring (cont'd), slides | chap 6 homework5 |
第十六週 (01/2) | Discrete Log based Cryptosystem, Pohlig-Hellman method, slides | chap 7 |
第十七週 (01/09) | Diffie-Hellman Key Exchange Algorithm, ElGamal Cryptosystem, and DDH assumption, slides | chap 7 |
第十八週 (01/16) | Signature schemes, Hash, and Birthday attack, slides | chap 8, 9 |
學期考試 13:20-15:00 (100 min) | chap 5, chap 6, chap 7, chap 8, chap 9 |