Which of the following statement is correct regarding hash value?
Question and options
Which of the following statement is correct regarding hash value?
- Hash value is written in binary number
- Hash value is independent of hash algorithm
- Hash value is 24 digit long
- Hash value of a file changes with change in content
Answer and explanation
Correct answer: D - Hash value of a file changes with change in content
A cryptographic hash changes completely when file content changes, which is why it verifies integrity. Hashes are normally shown in hexadecimal, depend on the algorithm, and have algorithm-specific lengths (MD5 32 hex, SHA-1 40 hex).
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