def len_lo
import mylsm-lsm-store@0.6.0.1/src/hub_sha/core.bend as Coreimport Base
803# Return the length of lo in the SHA-256 compression implementation.
804def len_lo(+byte_length: Nat) -> U32:
805 +d0 = Nat.div(byte_length, 32n)
806 +d1 = Nat.div(d0, 256n)
807 +d2 = Nat.div(d1, 256n)
808 pack(U32.from_nat(Nat.mod(d2, 256n)), U32.from_nat(Nat.mod(d1, 256n)),
809 U32.from_nat(Nat.mod(d0, 256n)), U32.shln(U32.from_nat(Nat.mod(byte_length, 32n)), 3n))