def cr.kb.fchecked

bend-osdev-crypto@0.1.0.0 · kbkdf.bend:126

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

126def cr.kb.fchecked(~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<&2, &2, Cr.CrError, B.Octets>:
127  match fits:
128    case False{}:
129      Fail{Cr.CrBadOutputLength{n}}
130    case True{}:
131      cr.kb.fkey(~K, ~compute, ~rlen, kr, iv, fixed, n)