Cryptography Techniques, Algorithms And Applications
Introduction to cryptography, symmetric and asymmetric cryptography, key management, and encryption algorithms. Introduction to simple cryptosystems. Cryptanalysis. Stream ciphers, Block ciphers and Feistel ciphers. Multiple encryption. Hash functions. Data integrity, authentication, and perfect…
Learning outcomes
At the end of this course, students should be able to: 1. define cryptography means, simple cryptosystems, symmetric and asymmetric cryptography, symmetric cryptosystems and asymmetric cryptosystems; 2. differentiate key management and encryption algorithms, types of cryptography and cryptographic techniques; 3. practice cryptanalysis of cipher and how to use protocols, hashing, digital signatures, and certificates; 4. examine the certificate authorities, policies, procedures, and methods for the proper use of cryptography in secure systems; 5. identify public-key cryptography and discrete algorithms, cryptography and its mathematical background, and understand hash functions, data integrity, authentication, algorithmic number theory, primality testing and true primality testing; and 6. discuss factoring integers, RSA, security of RSA encryption, security of RSA key generation, discrete logarithm cryptographic schemes.
Course contents
Introduction to cryptography, symmetric and asymmetric cryptography, key management, and encryption algorithms. Introduction to simple cryptosystems. Cryptanalysis. Stream ciphers, Block ciphers and Feistel ciphers. Multiple encryption. Hash functions. Data integrity, authentication, and perfect secrecy. Public-key cryptography and discrete algorithms-ELGamal cryptography. Algorithms for the discrete logarithm problem. Algorithmic number theory. Probabilistic primality testing. Security of ELGamal and RSA Encryption, and RSA Key Generation. Discrete logarithm cryptographic schemes. Conventional and public-key cryptography. Selected cryptosystems, including Data Encryption Standard (DES) and Rivest- Shamir-Adleman (RSA) algorithm. AES encryption algorithm, a symmetric 128-bit block data encryption technique. PKI, SSL, and VPN. Digital signatures, pseudo-random number generation, cryptographic protocols and cryptanalytic techniques. Use of protocols, hashing and certificates and certificate authorities. Policies, procedures, and methods for the proper use of cryptography in secure systems. Applications of cryptography to signal. Lab work: Practical exercise on writing cryptography algorithms. Work on cryptographic techniques. Practice cryptanalysis of cipher and how to use protocols. Understand hash functions and learn how to hash, produce secured digital signatures and certificates. Learn the procedures and methods for the proper use of cryptography in secure systems. Practice New Computing 140 primality testing. Practical assignments on ELGamal, DES and RSA encryption security, generation of RSA key and discrete logarithm cryptographic schemes. 400 Level