Cryptography

Term

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Definition

Converting readable data (plain text) into unreadable cipher text with an algorithm and key so only the holder of the right key can read it; also supports hashing and digital signatures.

Example: Encryption keeps the data confidential.

Found in: syllabus, school notes.

Where you'll use it in the test

Syllabus area: Y12 Secure Software Architecture.

Question types it can appear in

Multiple choice: Pick the option that matches the definition or example.
Fill in the blanks: Choose this term to complete a statement or table.
Short answer: Define, outline or explain it and tie it to the scenario.

Where it has appeared in the paper

Secure Software Architecture (Part B). Part letters follow each paper’s own layout.

How to use it

A model sentence

General advice, built from the definition and example above

“Converting readable data (plain text) into unreadable cipher text with an algorithm and key so only the holder of the right key can read it; also supports hashing and digital signatures.” Then apply it: Encryption keeps the data confidential.

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Command words used with it

From the linked past questions

Identify: Recognise and name. (Sample exam Q3 (1 mark): Encryption)

Official worked answer

Sample exam Q3 (1 mark): Encryption (1 mark): official criteria and sample answer

Criteria

1: Identifies the correct answer.

Sample answer

Implement data encryption

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Go deeper

Flashcard: Cryptography in Secure Software Architecture (Year 12) · study that set
Memorise: Cryptography and sandboxing in 'security by design'
Notes: Use and explain the contribution of cryptography and sandboxing to the ‘security by… (Secure Software Architecture (Year 12))
Notes: Cryptography and sandboxing in 'security by design' (Secure Software Architecture (Year 12))
Notes: Apply and describe the benefits of collaboration to develop safe and secure software,… (Secure Software Architecture (Year 12))
Full term page: every question, note and marking comment for Cryptography

Check yourself

Explain “Cryptography” in one sentence, give an example, and name a question type that could test it.

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