wireguard-go/src/constants.go

package main

import (
	"time"
)

/* Specification constants */

const (
	RekeyAfterMessages  = (1 << 64) - (1 << 16) - 1
	RejectAfterMessages = (1 << 64) - (1 << 4) - 1
	RekeyAfterTime      = time.Second * 120
	RekeyAttemptTime    = time.Second * 90
	RekeyTimeout        = time.Second * 5
	RejectAfterTime     = time.Second * 180
	KeepaliveTimeout    = time.Second * 10
	CookieRefreshTime   = time.Second * 120
	PaddingMultiple     = 16
)

const (
	RekeyAfterTimeReceiving = RekeyAfterTime - KeepaliveTimeout - RekeyTimeout
	NewHandshakeTime        = KeepaliveTimeout + RekeyTimeout // upon failure to acknowledge transport message
)

/* Implementation specific constants */

const (
	QueueOutboundSize      = 1024
	QueueInboundSize       = 1024
	QueueHandshakeSize     = 1024
	QueueHandshakeBusySize = QueueHandshakeSize / 8
	MinMessageSize         = MessageTransportSize // size of keep-alive
	MaxMessageSize         = ((1 << 16) - 1) + MessageTransportHeaderSize
	MaxPeers               = 1 << 16
)