encryption

type AEAD struct {
	cipher.AEAD
	Nonce [12]byte
}

type ClientInstance struct {
	NfsPKeys      []any
	NfsPKeysBytes [][]byte
	Hash32s       [][32]byte
	RelaysLength  int
	XorMode       uint32
	Seconds       uint32
	PaddingLens   [][3]int
	PaddingGaps   [][3]int

	RWLock sync.RWMutex
	Expire time.Time
	PfsKey []byte
	Ticket []byte
}

type CommonConn struct {
	net.Conn
	UseAES      bool
	Client      *ClientInstance
	UnitedKey   []byte
	PreWrite    []byte
	AEAD        *AEAD
	PeerAEAD    *AEAD
	PeerPadding []byte
	// contains filtered or unexported fields
}

type ServerInstance struct {
	NfsSKeys      []any
	NfsPKeysBytes [][]byte
	Hash32s       [][32]byte
	RelaysLength  int
	XorMode       uint32
	SecondsFrom   int64
	SecondsTo     int64
	PaddingLens   [][3]int
	PaddingGaps   [][3]int

	RWLock   sync.RWMutex
	Closed   bool
	Lasts    map[int64][16]byte
	Tickets  [][16]byte
	Sessions map[[16]byte]*ServerSession
}

type ServerSession struct {
	PfsKey  []byte
	NfsKeys sync.Map
}

type XorConn struct {
	net.Conn
	CTR       cipher.Stream
	PeerCTR   cipher.Stream
	OutSkip   int
	OutHeader []byte
	InSkip    int
	InHeader  []byte
}