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Secure Hashing Algorithm (SHA) is an algorithm for generating cryptographically secure one-way hash, published by the National Institute of Standards and Technology as a U.S. federal information processing standard. What is the block (word) size used by SHA-512 algorithm

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Answer:

64 bits.

Explanation:

Secure Hash Algorithms (SHA) :- These are a family of cryptographic hash functions. There are basically four types of secure hash algorithms for generating cryptographically secure one-way hash.They are as following:-

SHA-0

SHA-1

SHA-2

SHA-3

SHA -2 consists of SHA-512 and the word size used by it is 64 bits.