def rol44

bend-collections@1.0.0.0 · src/crypto/keccak/lane.bend:125

import Base
import bend-collections@1.0.0.0/src/crypto/keccak/types.bend as T

125def rol44(a: T.Lane) -> T.Lane:
126  match a:
127    case T.W{+lo,+hi}:
128      T.W{U32.or(U32.shln(hi,12n),U32.shrn(lo,20n)),U32.or(U32.shln(lo,12n),U32.shrn(hi,20n))}