def len_lo
import bend-collections@1.0.0.0/src/crypto/sha/core.bend as Coreimport Base
684def len_lo(+n: Nat) -> U32:
685 +d0 = Nat.div(n, 32n)
686 +d1 = Nat.div(d0, 256n)
687 +d2 = Nat.div(d1, 256n)
688 pack(U32.from_nat(Nat.mod(d2, 256n)), U32.from_nat(Nat.mod(d1, 256n)),
689 U32.from_nat(Nat.mod(d0, 256n)), U32.shln(U32.from_nat(Nat.mod(n, 32n)), 3n))