Unit Award Scheme

110722 INTRODUCTION TO CRYPTOGRAPHY

In successfully completing this unit, the Learner will have

Evidence needed

demonstrated the ability to

1write a message and encrypt it using a Caesar shift cipherSummary sheet
2decrypt a message encoded with a Caesar cipherSummary sheet
3write a message and encrypt it using a keyword cipherSummary sheet
4decrypt a message encoded with a keyword cipherSummary sheet
5carry out frequency analysis on a messageSummary sheet
6carry out simple calculations using modular arithmeticSummary sheet
7encrypt a message using a simple Affine cipher function Summary sheet

shown knowledge of

8what the most commonly occurring letters, bigrams and short words are in the English languageSummary sheet

acquired an understanding of

9how steganography can be used to hide messagesSummary sheet
10a way in which codebreaking was used during the Second World WarSummary sheet
11how online cryptography tools can help us to decrypt messagesSummary sheet

experienced

12using at least three different cipher methodsSummary sheet
13the opportunity to create own simple cipher method.Summary sheet

All outcomes recorded on an AQA Summary Sheet

Approved 21 June 2018Level - Level One