def pk.k
import bend-osdev-pkcs7@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
import bend-osdev-pkcs7@0.1.0.0/pkcs7.bend as P
1315def pk.k(+bs: Nat, +m: B.Octets, +n: Nat, +v: U32, +p: Nat) -> Result<&2, &2, M.CmError, B.Octets>:
1316 pk.k2(bs, m, n, p, Nat.is_le(p, bs), P.pkcs7.diff(B.Octets.to_list(B.Octets.drop(Nat.sub(n, p), m)), v, 0))