return err
	}
	for _, pk := range pks {
		privKey, err := bytesToPrivateKey(pk)
		if err != nil {
			return fmt.Errorf("decoding key returned: %w", err)
		}
		sr.SetPrivateKey(privKey)
	}
	sr.ReturnNonDecryptable(true)

	// Debug corrupted streams.
	if false {
		sr.SkipEncrypted(true)
		return sr.DebugStream(os.Stdout)
	}
	extracted := false
	for {
		stream, err := sr.NextStream()
		if err != nil {