FOBISIA CODE CHALLENGE 2023 LEVEL 1: Intro
FOBISIA CODE CHALLENGE 2023 LEVEL 1 2023: Intro In this level there are 6 codes to crack. Break them all and you can submit your details to record your achievement. […]
Author Archives: Andrew Chambers
FOBISIA CODE CHALLENGE 2023 LEVEL 2: Intro
FOBISIA CODE CHALLENGE 2023 LEVEL 2: Intro These codes are a little harder than in Level 1. Break them all and you can submit your details to record your achievement. […]
FOBISIA CODE CHALLENGE 2023 LEVEL 3: INTRO
FOBISIA CODE CHALLENGE 2023 LEVEL 3: Intro In this level you have to crack a spy mystery. Can you do it? Good luck! Important instructions Solve the code below and […]
FOBISIA CODE CHALLENGE 2023 LEVEL 4: Intro
FOBISIA CODE CHALLENGE 2023 LEVEL 4: Intro In this level you tackle a fiendishly hard set of puzzles – not for the faint hearted! Important instructions Solve the code below […]
Beale’s Papers and a $65 million uncracked code?
Crack the Beale Papers and find a $65 Million buried treasure? The story of a priceless buried treasure of gold, silver and jewels (worth around $65 million in today’s money) […]
One Time Pad – The Uncrackable Code?
The one time pad is a very secure way of encoding messages – so secure in fact that it is unbreakable as long as the agents using it don’t make […]
Cracking Codes Lesson
Cracking Codes Lesson 1 Introduction: 5 minutes – Use a Morse Code Generator to play some (very slowed down) messages for students to decode. Discuss why this is was a good […]
Crypto Analysis to Crack Vigenere Ciphers
Crypto Analysis to Crack Vigenere Ciphers (This post assumes some familiarity with both Vigenere and Ceasar Shift Ciphers. You can do some background reading on them here first). We can […]
Using Chi Squared to Crack Codes
This is inspired from the great site, Practical Cryptography which is a really good resource for code making and code breaking. One of their articles is about how we can […]
Elliptical Curve Cryptography
Elliptical Curve Cryptography This post builds on some of the ideas in the previous post on elliptical curves. The excellent Numberphile video above expands on some of the ideas below. […]
The School Code Breaking Site 