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A hash function that satisfies the properties of variable input size, fixed output size, efficiency, preimage resistant and second preimage resistant is referred to as a __________.


A) strong hash function
B) collision resistant function
C) weak hash function
D) preimage resistant function

E) None of the above
F) B) and C)

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the most important and widely used family of cryptographic hash functions is the __________ family.

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Secure Has...

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the compression function used in secure hash algorithms falls into one of two categories: a function specifically designed for the hash function or an algorithm based on a ___________ .

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symmetric ...

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three new versions of SHA with hash value lengths of 256, 384, and 512 bits are collectively known as __________ .


A) SHA-3
B) SHA-1
C) SHA-2
D) SHA-0

E) B) and C)
F) All of the above

Correct Answer

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the __________ resistant guarantees that it is impossible to find an alternative message with the same hash value as a given message.

Correct Answer

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