Y5-Computing-Cryptographers-Week 2 by Mr Holliday

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Slide Notes

Y5-Computing-Cryptographers-Week 2

Published on Nov 05, 2016

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PRESENTATION OUTLINE

Computing

We are Cryptographers - Week Two

Photo by David Reeves

Let's think back,
what is cryptography?

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How might we make a secret transmission more secure? (1min)

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Clip

Link to Video: https://www.youtube.com/watch?v=kqiUGjghlzU

Link to Video: https://www.youtube.com/watch?v=Y4bbocBQ_0s

Messages and Ciphers

3 Facts - 2 Questions - 1 Follow Up

Link to Video: https://www.youtube.com/watch?v=yiMu93JKlXc

Link to Video: https://www.youtube.com/watch?v=sMOZf4GN3oc

Your Turn

Using the cipher sheet work out the sequence shift by attempting to crack the three codes.
Once you have solved the three codes on your table have a go at writing your own.

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How does this all connect to computing?

What is the link?

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algorithm

ˈalɡərɪð(ə)m/

noun

A process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.

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How could we use this knowledge from today?

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Mr Holliday

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