Question

Explain the process of deriving eighty 64-bit words from the 1024-bits for processing of a single block

Answer 1

Answer:

This part of the SHA-512 algorithm consists of several 'Rounds' and an addition operation. So, the Message block (1024 bit) is expanded out into 'Words' using a 'message sequencer'. Eighty Words to be precise, each of them having a size of 64 bits.