Thursday 22 January 2015

Encryption




Learning Outcomes

Understand the need for data encryptionUnderstand how a Caesar cipher algorithm works


Starter


Crack this code:

WKH WUHDVXUH LV KLGGHQ XQGHU WKH SDOP WUHH 

Clue W=T

Task 1

Write a definition of encryption

Resources
http://www.codesandciphers.org.uk/enigma/index.htm
http://www.teach-ict.com/technology_explained/encryption/encryption.html

http://www.richkni.co.uk/php/crypta/freq.php







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