Course

Stream ciphers: Pseudo-random generators, Attacks on the one time pad, Linear generators, Cryptanalysis of linear congruential generators, The subset sum generator.

Block ciphers: Pseudorandom functions and permutations (PRFs and PRPs), PRP under chosen plaintext attack and chosen ciphertext attack, Case study: DES, AES, modes of operation.

Message integrity: Cryptographic hash functions, message authentication code, CBC MAC and its security, Cryptographic hash functions based MACs, Authenticated Encryption- Authenticated encryption ciphers from generic composition.

Public key encryption: RSA, Rabin, Knapsack cryptosystems, Diffie-Hellman key exchange protocol, ElGamal encryption, Elliptic curve cryptography.

Digital signatures: RSA, ElGamal and Rabin’s signature schemes, blind signatures.

Entity authentication: Passwords, challenge-response algorithms, zero-knowledge protocols.

Network security: Certification, public-key infra-structure (PKI), secure socket layer (SSL), Kerberos.

TEXT BOOKS/REFERENCES:

1. A.J. Menezes, P. C. V. Oorschot and S. A. Vanstone, Handbook of Applied Cryptography, CRC Press, 1996.

2. Katz and Y. Lindell, Introduction to Modern Cryptography, Chapman & Hall/CRC, 2007.
3. Abhijit Das and Veni Madhavan C. E., Public-Key Cryptography: Theory and Practice, Pearson Education India, 2009.
4. Stinson, Douglas Cryptography: theory and practice. Chapman and Hall/CRC, 2005.
5. Dan Boneh and Victor Shoup, A Graduate Course in Applied Cryptography,V4, 2017