Lectures related to Transposition cipher

Communication Theory of Secrecy Systems

Explores C. E. Shannon's theory of secrecy systems, covering various ciphers and the concept of perfect secrecy in communication systems.

Ancient Cryptography: Techniques and Principles

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

Properties of Cross Product: Algebraic Aspects

Explores the algebraic properties of the cross product and its linearity.

Markov Chain Monte Carlo: Sampling High-Dimensional Distributions

Covers Markov Chain Monte Carlo for sampling high-dimensional distributions, discussing challenges, advantages, and applications like the Knapsack Problem and cryptography.

Symmetric Encryption: Basics and Techniques

Explores symmetric encryption basics, substitution ciphers, historical machines like Enigma, modern standards like AES, and asymmetric encryption.

Permutations and Signature

Explores permutations, signature, and alternating multilinear forms in vectors.

Symmetric Group: Cycle Notation

Explores the symmetric group, emphasizing cycle notation and group properties.

Linear Applications: Rank and Ciphers

Covers linear applications, rank, and ciphers, emphasizing the importance of understanding the rank of linear transformations.

Discrete Log Problem: Index Calculus

Explores the discrete log problem and index calculus method in cryptography.

Multilinear Forms: Alternating and Symmetric

Covers alternating and symmetric multilinear forms in vector spaces over a field.

Permutations and Symmetric Groups

Covers symmetric groups, transpositions, sign of a permutation, and conjugacy classes in permutations.

Symmetric Encryption Schemes

Explores symmetric encryption schemes, including block and stream ciphers, their vulnerabilities, and the importance of key lengths.

Eigenvalues of Coxeter Elements

Explores eigenvalues of Coxeter elements, cyclic permutations, invariance, and decomposition of eigenspaces.

Symmetric Encryption: Basics and Techniques

Introduces symmetric encryption basics, covering encryption, decryption, keys, substitution ciphers, DES, AES, ChaCha20, and asymmetric encryption.

Symmetric Group and Group Actions

Covers the Symmetric group, cycle decomposition, transpositions, even and odd permutations, and group actions.

Symmetric Group and Cycle Decomposition

Explores the Symmetric group, cycle decomposition, Orbit-Stabilizer theorem, and properties of cycles and transpositions.

Modern Cryptography Milestones

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

Determinants: Special Linear Groups and Matrix Properties

Explores the special linear group, matrix properties, and determinant theorems.

Cryptography: Ancient Techniques to Modern Systems

Explores ancient cryptography techniques, the Enigma machine, Kirchhoff's principle, scalability in cryptography, Moore's Law, and a thought experiment on breaking a 128-bit key.

Introduction to Cryptography: One-Time Pad and Public-Key Systems

Introduces cryptography, focusing on the one-time pad and public-key systems, emphasizing privacy and authenticity in information security.