That Blue Square Thing

This is an archived page. It's probably got quite a lot of old stuff on it and may be quite out of date.

Codebreakers

This stuff isn't right yet. It all needs some work and there be other resources around the place that I need to add in.

1 – Substitution ciphers

PDF iconSlides – web version

PDF iconSlides – my version to use with some answers...

PDF iconTask sheet

PDF iconPup Kag code – sheet

PDF iconPup Kag code – slides

PDF iconBlank code grid

PDF iconDingbats code sheet

PDF iconSub Cipher slide

Text file iconA to Z program – runs in Python

An online substitution cipher solverwiki link

2 – More ciphers

PDF iconSlides

PDF iconTask sheet

PDF iconHieroglyphs slide

PDF iconSemaphore

PDF iconExtension

Letter frequency analysis - useful information for solving codes such as PUP KAG

Text analysis tool - will report letter frequency in a given phrase

Videos page - morse and semaphore

To add

3 – Caesar ciphers

PDF iconSlides

PDF iconTask sheet

PDF iconHow a Caesar Cipher works

PDF iconGrid to work on

PDF iconExtension task

4 – Steganography

PDF iconSlides

PDF iconTask sheet

PDF iconHints for steganography task (and solution)

PSD iconPhotoshop file with message 1

PSD iconPhotoshop file with message 2

PDF iconExtension task

Potato code page

5 – Machines and Biographies

PDF iconSlides

PDF iconTask slide

PDF iconLong bio slides

PDF iconShort bios sheet

PDF iconMachines slides

PDF iconSheet to do bios on

6 – Clock face ciphers

PDF iconSlides

PDF iconClock face 1

PDF iconClock face 2

PDF iconClock face 3

PDF iconBlank clocks (12)

PDF iconBlank clocks (2)

7 – Enigma and Bletchley Park

PDF iconStarter images

PDF iconSlides

PDF iconFirst Tasks

PDF iconInformation about Bletchley Park

PDF iconColossus intro slides

PDF iconWritten sources

PDF iconImage sources

PDF iconTask sheet

PDF iconWriting Frame