wireguard

const (
	WGLabelMAC1   = "mac1----"
	WGLabelCookie = "cookie--"
)

const (
	NoiseConstruction = "Noise_IKpsk2_25519_ChaChaPoly_BLAKE2s"
	WGIdentifier      = "WireGuard v1 zx2c4 Jason@zx2c4.com"
)

const (
	MessageInitiationType  = 1
	MessageResponseType    = 2
	MessageCookieReplyType = 3
	MessageTransportType   = 4
)

const (
	MessageInitiationSize      = 148                                                    // size of handshake initiation message
	MessageResponseSize        = 92                                                     // size of response message
	MessageCookieReplySize     = 64                                                     // size of cookie reply message
	MessageTransportHeaderSize = 16                                                     // size of data preceding content in transport message
	MessageTransportSize       = MessageTransportHeaderSize + chacha20poly1305.Overhead // size of empty transport
	MessageKeepaliveSize       = MessageTransportSize                                   // size of keepalive
	MessageHandshakeSize       = MessageInitiationSize                                  // size of largest handshake related message
)

const (
	NoisePublicKeySize    = 32
	NoisePrivateKeySize   = 32
	NoisePresharedKeySize = 32
)

const (
	MessageTransportOffsetReceiver = 4
	MessageTransportOffsetCounter  = 8
	MessageTransportOffsetContent  = 16
)

const PaddingSize = 16

const UdpRecieveSize = 1500