V2 Cryptography

Free Access for Australian students with a Grok account

Created for Years 7-8, 9-10, 11, 12

Duration: 3-4 weeks (6-8 hours)

Learn how data is protected using encryption.

This Challenge introduces basic cryptography concepts in relation to data representation and securing online communication, and how these are implemented through code.

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Downloadable resources for this challenge

Teacher notes

Lesson Plan

Curriculum Concepts

Key concept	F-2	3-4	5-6	7-8	9-10
Digital systems	(ACTDIK001) Recognise digital systems Explore digital systems with purpose	(ACTDIK007) Explore digital systems with purpose Peripherals and components Transmit data	(ACTDIK014) Peripherals and components Connecting digital systems Transmit data	(ACTDIK023) Hardware specifications Connecting digital systems Transmit data Cryptography	(ACTDIK034) Operating systems Connecting digital systems Transmit data Cryptography Access control
Data representation	(ACTDIK002) Recognise patterns Represent data using symbols	(ACTDIK008) Different representations Data types	(ACTDIK015) Whole number representation Data types	(ACTDIK024) Binary Data types	(ACTDIK035) Compression Document representation
Algorithms	(ACTDIP004) Follow algorithms Represent algorithms Sequence of steps Branching (decisions)	(ACTDIP010) Follow algorithms Represent algorithms Sequence of steps Branching (decisions)	(ACTDIP019) Follow algorithms Represent algorithms Design and modify algorithms Sequence of steps Branching (decisions) Iteration	(ACTDIP029) Trace algorithms Represent algorithms Test algorithms Design and modify algorithms Control structures	(ACTDIP040) Trace algorithms Represent algorithms Test algorithms Design and modify algorithms Control structures
Implementation		(ACTDIP011) Implement Digital Solutions Test Digital Solutions User Input Branching Visual programming	(ACTDIP020) Implement Digital Solutions Test Digital Solutions User Input Branching Iteration Visual programming	(ACTDIP030) Implement Digital Solutions Test Digital Solutions Modify Digital Solutions User Input Branching Iteration Functions General-purpose programming	(ACTDIP041) Implement Digital Solutions Test Digital Solutions Modify Digital Solutions User Input Control structures Modularity Algorithms and data structures Object-oriented programming

Linked Resources

Cryptography: Cipher Wheels

Learn the basics of encryption through simple activities that convert plain text into simple ciphertexts.

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V2 Cryptography

Key concept

Digital systems

Data representation

Algorithms

Implementation

Cryptography: Cipher Wheels