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Computer Networks
Cryptography
Q
Cryptographic hash function takes an arbitrary block of data and returns _________
AA. Fixed size bit string
BB. Variable size bit string
CC. Both fixed size bit string and variable size bit string
DD. Variable sized byte string
Correct Answer:
A. A. Fixed size bit string
Explanation:
Cryptographic hash functions are used in digital signatures and message authentication codes. The only issue with it is that it returns the same hash value every time for a message making it vulnerable to attackers to evaluate and break the cipher.
