def kb_fchecked_len
bend-osdev-crypto@0.1.0.0 · PROOF.bend:749
import bend-osdev-crypto@0.1.0.0/PROOF.bend as PROOF
import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-crypto@0.1.0.0/crypto.bend as Cr
import bend-osdev-crypto@0.1.0.0/kbkdf.bend as Kb
749def kb_fchecked_len(~K: Data, ~compute: K -> B.Octets -> B.Octets, ~rlen: Nat, fits: Bool, kr: Result<&2, &2, Cr.CrError, K>, +iv: B.Octets, +fixed: B.Octets, +n: Nat) -> {Result.map(&2, &2, Cr.CrError, B.Octets, Nat, o => B.Octets.len(o), Kb.cr.kb.fchecked(~K, ~compute, ~rlen, fits, kr, iv, fixed, n)) == Result.map(&2, &2, Cr.CrError, B.Octets, Nat, o => n, Kb.cr.kb.fchecked(~K, ~compute, ~rlen, fits, kr, iv, fixed, n)) : Result<&2, &2, Cr.CrError, Nat>}:
750 match fits:
751 case False{}:
752 {==}
753 case True{}:
754 kb_fkey_len(~K, ~compute, ~rlen, kr, iv, fixed, n)