Which of the following is a feature of a cryptographic hash function?
- The output has a variable length
- Hashing requires a public and private key
- The hash input can be calculated given the output value
- The hash function has a one-way mathematical function
Explanation: A cryptographic hash function has the following properties:
The input can be any length.
The output has a fixed length.
The hash function is one-way and is not reversible.
Two different input values will almost never result in the same hash.
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