val key: #j:unsafe_id -> #u:info j -> st:pne_state u -> lbytes (key_len u)
let key #j #u st =
  snd (st <: unsafe_state j)
val key: #j:unsafe_id -> #u:info j -> st:pne_state u -> lbytes (key_len u)
let key #j #u st =
snd (st <: unsafe_state j)
Model.PNE.fst.checked
Spec.Agile.Cipher.fsti.checked QUIC.Spec.Lemmas.fst.checked QUIC.Spec.fsti.checked prims.fst.checked Model.Indexing.fsti.checked Model.Helpers.fsti.checked Mem.fst.checked LowStar.BufferOps.fst.checked LowStar.Buffer.fst.checked LowParse.BitFields.fsti.checked Lib.RawIntTypes.fsti.checked FStar.UInt8.fsti.checked FStar.UInt32.fsti.checked FStar.UInt128.fsti.checked FStar.Seq.fst.checked FStar.Pervasives.Native.fst.checked FStar.Pervasives.fsti.checked FStar.HyperStack.ST.fsti.checked FStar.HyperStack.fst.checked
Model.PNE.fst
Model.PNE.unsafe_id Model.PNE.info Model.PNE.pne_state FStar.Pervasives.Native.snd Spec.Agile.Cipher.key Model.Indexing.pne_id_ginfo Model.PNE.unsafe_state Model.Helpers.lbytes Model.PNE.key_len
module Model.PNE

module B = LowStar.Buffer
module HS = FStar.HyperStack
module I = Model.Indexing
module U32 = FStar.UInt32
module U128 = FStar.UInt128
module Spec = Spec.Agile.Cipher

module ST = FStar.HyperStack.ST

#set-options "--fuel 0 --ifuel 0"

open FStar.HyperStack
open Mem
open Model.Helpers
open LowStar.BufferOps

let clip_cipherpad cp l =
  let cipher, bits = cp in
  Seq.slice cipher 0 l, bits

let log (#i: id) (u: info i): Type0 =
  Seq.seq (entry #i u)

let model_state j =
  u:info j & B.pointer (log #j u)

let unsafe_state j =
  // I don't understand why we have to go through model.indexing here when
  // the algorithm is readily available in the info
  info j & Spec.key (I.pne_id_ginfo j)

// why is this type parameterized over the info?
let pne_state #j u =
  if is_safe j then
    s:model_state j { dfst s == u }
  else
    s:unsafe_state j { fst s == u }

let table #j #u st h =
  let (| u, p |) = st <: model_state j in
  B.deref h p
val key: #j:unsafe_id -> #u:info j -> st:pne_state u -> lbytes (key_len u)
st: Model.PNE.pne_state u85 -> Model.Helpers.lbytes (Model.PNE.key_len u85)