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Given a message and its n-bit hash result, the expected workload of finding a message that hashes to the same value is of the order _______________(a) 2^(n/2)(b) 2^(n-1)(c) 2^(n)(d) 2^(2n)I got this question during an internship interview.The doubt is from Whirlpool Algorithm topic in chapter Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution of Cryptograph & Network Security |
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Answer» CORRECT OPTION is (C) 2^(N) The explanation: When the message and hash value are provided, the workload turns out to be 2^n. |
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