CSE530: Information Security ODD 25-26

Lecture 1 - 22 Jul - Introduction to Information Security - Slides

Lecture 2 - 23 Jul - Probability - Slides Reference (Sections 2,8,9)

Lecture 3 - 29 Jul - Conditional Probability - Slides

Lecture 4 - 30 Jul - Historical Ciphers - Slides (Chapter 1 [KL])

Lecture 5 - 1 Aug - Perfect Secrecy - Slides (Chapter 2 [KL])

Lecture 6 - 5 Aug - Perfectly secure encryption Slides 

Lecture 7 - 6 Aug - Security of Vernam Cipher (OTP) &Discussion on perfect secrecy of Shift Cipher 

Lecture 8 - 8 Aug - Discussion on perfect secrecy of Substitution and Vigenere Ciphers Slides

Lecture 9 - 12 Aug - Perfect Secrecy and Drawbacks - Slides (Chapter 2 [KL])

Lecture 10 - 13 Aug - Negligible functions - Slides (Chapter 3.1 [KL])

Lecture 11 -  19 Aug - Computation Security - Slides (Chapter 3.2 [KL])

Lecture 12&13 - 20& 22 Aug -  Pseudorandom Generators - Slides (3.3 [KL]) 

Various PRG Candidates were discussed on board

Lecture 14 - 26 Aug -  Encryption using PRGs - Slides (3.4 [KL])

Lecture 15&16 - 27 & 29 Aug -  CPA security - Slides (3.5 [KL]) PRFs and CPA secure Encryption from PRFs - Slides (3.6 [KL])

Various CPA encryption Candidates were discussed on board

Lecture 17 - 2 Sep - Doubts clarification and revision

Midsem from 3Sep-10Sep

Lecture 18 - 12 Sep - Message Authentication - Slides (4.2) 

Lecture 19 - 16 Sep - MAC from PRF (4.3.1[KL])

Lecture 20 -17 Sep - Discussion of Various MAC candidates on board 

Lecture 21 - 19 Sep - Domain extension of MAC (slides of lec 18-21 in single pdf) (4.3.2[KL])

Lecture 22 -  20 Sep - Information-theoretic Message Authentication - Slides 

Lecture 23,24,25 - 20 Sep - Replay attacks and CCA security Slides (3.7.1, 4.5 [KL])

CCA secure encryption scheme Slides  (3.7.1, 4.5 [KL])

Lecture 26 - 23 Sep - Diffie Hellman Key Exchange Slides (Lec26-28)  (8.3.2, 10.3 [KL])

Lecture 27 - 24 Sep - Basics of Number Theory (8.1 (upto 8.1.4) , 8.3.1 [KL])

Lecture 28 - 26 Sep - Public-key Encryption, RSA Encryption Slides(Lec 28-32)  (11.1 (upto 11.1.1), 8.2.3, 8.2.4, 11.5.1)

Lecture 29 - 14 Oct - Padded RSA Encryption (11.5.2 [KL])

Lecture 30 - 15 Oct - Elgamal Encryption (11.4.1 [KL])

Lecture 31 - 17 Oct - Digital Signatures (12.2, 12.4 [KL])

Lecture 32- 18 Oct - Digital Signatures Contd. 

Lecture 33 - 18 Oct - Privacy: Secret sharing Scheme (n,n): Definitions (taught on board!)

Lecture 34 - 18 Oct - Field arithmetic & Secret sharing schemes (2,3) & (3,4) (taught on board!)

Lecture 35 - 21 Oct - Replicated Secret Sharing Scheme (taught on board!)

Lecture 36 - 22 Oct -Shamir secret Sharing Scheme, Lagrange polynomials, (taught on board!)  

Lecture 37 - 24 Oct - Privacy preserving multi-party computation (Secure Addition & multiplication protocols(BGW))

Lecture 38 - 28 Oct - Contd

Lecture 39 - 29 Oct - Contd

Reference Text: 

• Comupter Security by William Stallings

• Introduction to modern Cryptography by Jonathan Katz and Yehuda Lindell 

Few more references will be updated as and when required.  

Teaching Assistants: 

Gaje Sathwik: gajesathwik.rs.cse24@itbhu.ac.in 

Anuradha Mall: anuradhamall.rs.cse24@itbhu.ac.in