Hehe. I like encouraging people to explore this. Good learning "exorcize" (pun). 32 bit addition logic for botnet: http://jlcooke.ca/btc/sha256_logred.html
Just do that about 768 times and reduce!
Just do that about 768 times and reduce!
your c1...c31 bits can be reduced by one instruction
c1 == a1b1 + a1c0 + b1c0
== a1(b1+c0) + b1c0