Certified Information Systems Auditor CISA · Free Practice Question Easy
Question 49
Which of the following terms describes a cryptographic operation on a block of data that returns a fixed-length string of characters used to verify the integrity of a message?
- A Encrypt
- B Hash function
- C Digital signing
- D Decrypt
Reveal correct answer
Correct answer: B
Explanation
Correct Answers:
Hash function is correct. A hash function is a cryptographic operation on a block of data that returns a fixed-length string of characters used to verify the integrity of a message. This produces a message digest, which is the result of a cryptographic hash function.
Incorrect Answer:
All other answers are incorrect.
Discussion
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