sign

type FilterMask struct {
	Type byte
	Mask pk.BitSet
}

type HistoryMessage struct {
	Sender    uuid.UUID
	Signature []byte
}

type HistoryUpdate struct {
	Offset       pk.VarInt
	Acknowledged pk.FixedBitSet // n == 20
}

type Message struct {
	Prev      Prev
	Signature *Signature
	*MessageBody
	Unsigned *chat.Message
	FilterMask
}

type MessageBody struct {
	PlainMsg  string
	Timestamp time.Time
	Salt      int64
	LastSeen  []*Signature
}

type PackedMessageBody struct {
	PlainMsg  string
	Timestamp time.Time
	Salt      int64
	LastSeen  []PackedSignature
}

type PackedSignature struct {
	ID int32
	*Signature
}

type Prev struct {
	Index   int
	Sender  uuid.UUID
	Session uuid.UUID
}

type Session struct {
	SessionID uuid.UUID
	PublicKey user.PublicKey
	// contains filtered or unexported fields
}

type Signature [256]byte

type SignatureCache struct {
	// contains filtered or unexported fields
}