}
	prefix := mntPath[:ind]
	return device, prefix, nil
}

func extractIface(mntPath string) (string, bool) {
	reOutput := ifaceRe.FindStringSubmatch(mntPath)
	if len(reOutput) > 1 {
		return reOutput[1], true
	}

	return "", false
}

func extractPortalAndIqn(device string) (string, string, error) {
	ind1 := strings.Index(device, "-")
	if ind1 < 0 {

	}

	left = (left << 31) | (left >> 1)
	right = (right << 31) | (right >> 1)

	preOutput := (uint64(right) << 32) | uint64(left)
	byteorder.BePutUint64(dst, permuteFinalBlock(preOutput))
}

func (c *tripleDESCipher) Decrypt(dst, src []byte) {
	if len(src) < BlockSize {
		panic("crypto/des: input not full block")
	}
	if len(dst) < BlockSize {

		}
	}

	left = (left << 31) | (left >> 1)
	right = (right << 31) | (right >> 1)

	// switch left & right and perform final permutation
	preOutput := (uint64(right) << 32) | uint64(left)
	byteorder.BePutUint64(dst, permuteFinalBlock(preOutput))
}

// DES Feistel function. feistelBox must be initialized via
// feistelBoxOnce.Do(initFeistelBox) first.
func feistel(l, r uint32, k0, k1 uint64) (lout, rout uint32) {

  if (auto repinput = dyn_cast<TF::TPUReplicatedInputOp>(op)) {
    if (!ValidateReplicatedInput(repinput, num_replicas, tpu_replicate_attr))
      return false;
  }
  if (auto repoutput = dyn_cast<TF::TPUReplicatedOutputOp>(op)) {
    if (!ValidateReplicatedOutput(repoutput, num_replicas, tpu_replicate_attr))
      return false;
  }
  if (auto partinput = dyn_cast<TF::TPUPartitionedInputOp>(op)) {