Question

The size of the output produced by hash functions is

Answer 1

Explanation:

The output size in bits is given by the extension to the "SHA" name, so SHA-224 has an output size of 224 bits (28 bytes), SHA-256 produces 32 bytes, SHA-384 produces 48 bytes and finally SHA-512 produces 64 bytes.

Answer 2

The size of the output produced by hash functions is fixed.

Explanation:

• A ‘hash function’ can be defined as any type of function which can be used for mapping the ‘data of arbitrary size’ to fixed value sizes.  

• The values which are returned by these hash functions are generally referred as hash codes, hash values, digests or hashes.  

• The values are used for indexing a ‘fixed size table’ known as a hash table. The function involving creating such table is said to be hashing. The size of the output is fixed for these hash functions.

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