law ks_length
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/involution.bend as Involutionimport Base
107law ks_length:
108 for +fuel: Nat
109 for +r: Nat
110 for +kb: List<&2, U32>
111 for +c: U32
112 for +nb: List<&2, U32>
113 {Nat.is_le(fuel, List.length(&2, U32, ks(fuel, r, kb, c, nb))) == True{} : Bool}