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How many bits of message does the Secure Hash Algorithm produce?

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How many bits of message does the Secure Hash Algorithm produce?

(a) 160 bits

(b) 1035 bits

(c) 621 bits

(d) 3761 bits

This question was addressed to me in a job interview.

Question is from Cryptography topic in chapter Number Theory and Cryptography of Discrete Mathematics

1 Answer

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Best answer
Correct answer is (a) 160 bits

The best explanation: The Secure Hash Algorithm or SHA  is based on MD4 encryption system. This algorithm gives an output of a longer 160-bit message that is why it is harder to construct another message that yields the same resultant message.

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