def column
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/keccak/permutation.bend as Permutationimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/keccak/types.bend as T
57def column(+s: T.State, +x: Nat) -> T.Lane:
58 xor(at(s,x),xor(at(s,Nat.add(x,5n)),xor(at(s,Nat.add(x,10n)),xor(at(s,Nat.add(x,15n)),at(s,Nat.add(x,20n))))))