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Digital signature
Term Key terms bank Y12 Programming for the Web
Definition
A hash of a message encrypted with the sender's private key; the receiver checks it with the public key to confirm who sent it and that it was not changed.
Example: A signed update proves it came from the vendor.
Found in: syllabus, school notes.
Hash encrypted with sender's private key; proves origin and integrity.
Where it is used in the test
Syllabus area: Y12 Programming for the Web.
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.
No past question in this bank is linked to this term yet. It can still be tested through the question types above.
Study links
- Flashcard: Digital signature in Programming for the Web (Year 12) · study that set
- Memorise: Processes for securing the web
- Key terms bank entry: Digital signature
- Notes: Explain the processes for securing the web, including Secure Sockets Layer (SSL)… (Programming for the Web (Year 12))
- Notes: Fundamental software design security concepts (six words) (Secure Software Architecture (Year 12))
- Notes: Cryptography and sandboxing in 'security by design' (Secure Software Architecture (Year 12))
- Notes: Use and explain the contribution of cryptography and sandboxing to the ‘security by… (Secure Software Architecture (Year 12))
How to use it in an answer
A model sentence
“A hash of a message encrypted with the sender's private key; the receiver checks it with the public key to confirm who sent it and that it was not changed.” Then apply it: A signed update proves it came from the vendor.
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
No linked question shows the command word for this term. Across the past short answer questions in this bank the words used most are: Explain, Outline, Describe, Compare, Classify, Analyse. Check the actual word in your question.
Technique for the question types
- Multiple choice: Read all four options, rule out wrong ones, pick one; no penalty for guessing so never leave blank.
- Fill in the blanks: Choose the right word from a list; use exact syllabus terms.
- Short answer: One clear point per mark, use the stimulus and course terms, and answer the command word.
Common mistakes
- Use the term exactly as the syllabus words it, then link it to the scenario in the question; the 2025 feedback repeatedly rewards using the stimulus.
- Answer the command word: outline gives main points only, explain gives a reason or cause, discuss gives both sides.
Related terms
Same group in the syllabus: SSL/TLS certificate · Encryption algorithm · Encryption key · Plain text and cipher text · Symmetric encryption · Asymmetric encryption · Hash value · Authentication and authorisation (web)