Unit Award Scheme

demonstrated the ability to

1. write a message and encrypt it using a Caesar shift cipher

2. decrypt a message encoded with a Caesar cipher

3. write a message and encrypt it using a keyword cipher

4. decrypt a message encoded with a keyword cipher

5. carry out frequency analysis on a message

6. carry out simple calculations using modular arithmetic

7. encrypt a message using a simple Affine cipher function

shown knowledge of

8. what the most commonly occurring letters, bigrams and short words are in the English language

acquired an understanding of

9. how steganography can be used to hide messages

10. a way in which codebreaking was used during the Second World War

11. how online cryptography tools can help us to decrypt messages

experienced

12. using at least three different cipher methods

13. the opportunity to create own simple cipher method.