Course

COM-401: Cryptography and security

Lectures in this course (57)

RSA Cryptography: Computational Problems

Explores RSA cryptography computational problems, finite fields construction, and computational challenges in RSA cryptography.

Symmetric Encryption: Formalism and Security

Explores the formalism and security aspects of symmetric encryption systems, including block ciphers, variable length encryption, and security definitions.

Commitment Scheme: Key Derivation and Hash Function

Explains the commitment scheme, key derivation, and hash function for data security.

Galois Fields and Elliptic Curves

Introduces Galois fields, elliptic curves, factorization algorithms, and the discrete logarithm problem in cryptography.

Cryptographic Hash Functions

Explores cryptographic hash functions, message authentication codes, and MAC constructions, highlighting SHA1, SHA2, SHA3, HMAC, CBC-MAC, WC-MAC, and P-MAC.

Elliptic Curve Cryptography: Basics and Applications

Explores the basics and applications of elliptic curve cryptography, covering ECM factorization, standard curves, practical examples, and real-world implementations.

Symmetric Encryption: Block Ciphers and Modes of Operation

Introduces symmetric encryption, block ciphers, and modes of operation, covering DES, AES, key generation, attacks, and encryption standards.

Elliptic Curve Cryptography: Galois Fields

Explores Galois fields, elliptic curve cryptography, arithmetic operations, group structure, and practical examples in cryptography.

Block Ciphers: Modes and WiFi Security

Explores block ciphers, stream ciphers, and WiFi security vulnerabilities, emphasizing the importance of encryption in modern communication.

Elliptic Curves and Factoring

Explores elliptic curves, factoring, and their role in cryptography, emphasizing standardization and applications.

Introduction to Cryptography: Fundamentals and Applications

Covers the fundamentals of cryptography, including symmetric encryption, digital signatures, and secure communication standards.

Ancient Cryptography: Techniques and Principles

Explores ancient to modern cryptography techniques, including substitution ciphers, frequency analysis, and the Enigma machine.

Ancient Cryptography: Security and Information Theory

Explores ancient cryptography, key security, perfect secrecy, and the Shannon encryption model.

Cryptography and Information Theory

Explores cryptography, perfect secrecy, group theory, and modern cryptographic milestones, emphasizing the trade-off between security and cost.

Algorithms for Big Numbers: Z_n and Orders

Covers algorithms for big numbers, Z_n, and orders in a group, explaining arithmetic operations and cryptographic concepts.

Cryptography Fundamentals

Delves into the core principles of cryptography, emphasizing the challenges of key management and the impact of technology advancement on security.

Modern Cryptography Milestones

Explores the evolution of modern cryptography milestones and the limitations of information theory in practical applications.