Practice Core Components Of Jca (14.2.1) - Security in Java (Cryptography & Access Control)

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10 questions

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6 sample questions

Question 1.
What is the primary purpose of a message digest?
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Think about checking if data has been altered.
Question 2.
Name one common algorithm used for generating digital signatures.
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Consider key types.
3Question 3.
What is the main function of message digests in Java?
- Encrypt data
- Verify data integrity
- Generate keys
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Think of a scenario where data change must be detected.
4Question 4.
Digital signatures use which key for signing?
- Public key
- Private key
- Random key
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Recall how dual-key systems work.
Question 5.
Design a secure system using JCA principles where user registration includes hashing passwords, signing documents digitally, and managing keys effectively.
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Think about the steps in securing user data.
Question 6.
Explain a potential risk in not managing secure random numbers in a cryptographic system.
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Consider how predictable values can affect security.

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