Art by Shoaib Pasha.

Symmetric Cryptography Table of Contents

Table Of Contents

I.I Classification & Terminology.
I.IV Cryptanalysis Basics.
I.II Symmetric Crypto. Basics.
I.V Generic Analytical Attacks.
I.III Key Terminology.


II.I Substitution Cipher.
II.IV Shift/Caesar Cipher.
II.II Modular Arithmetic Basics.
II.V Affine Cipher.
II.III Integer Rings.


III.I Intro to Stream Ciphers.
III.IV LFSRs.
III.II Random Number Generation.
III.V Alt. Secure Stream Ciphers.
III.III Fundamentals of LFSRs.


IV.I Historical Background.
IV.III Data Encryption Standard.
IV.II Feistel Networks.

links
Programming
Short C++ Tutorial
Codeforces
Arduino Tutorial
MicroPython
2D Python Plots

MIDI
Anvil Studio
GXSCC

Physics
Feynman Lectures
Physics Intro.