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v0.0.0-...-723dd0c Latest Latest Go to latest Published: Sep 10, 2019 License: MIT Imports: 25 Imported by: 0

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Repository

github.com/joern-vh/onionrouting

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Open Source Insights

Documentation ¶

Index ¶

Variables
func ComputeEphemeralKey(g *dhkx.DHGroup, receivedPublicKey []byte, priv *dhkx.DHKey) []byte
func CreateConfirmTunnelCronstructionMessage(confirmTunnelConstruction models.ConfirmTunnelConstruction) []byte
func CreateConfirmTunnelInstruction(confirmTunnelInstruction models.ConfirmTunnelInstruction) []byte
func CreateConstructTunnelMessage(constructTunnel models.ConstructTunnel) []byte
func CreateDataConfirmTunnelConstruction(dataConfirmTunnelConstruction models.DataConfirmTunnelConstruction) []byte
func CreateDataConstructTunnel(dataConstructTunnel models.DataConstructTunnel) []byte
func CreateDataExchangeKey(exchangeKey models.ExchangeKey) []byte
func CreateExchangeKey(exchangeKey models.ExchangeKey) []byte
func CreateInitialUDPConnectionLeft(leftHost string, leftPort int, tunndelId uint32) (*models.UDPConnection, error)
func CreateInitialUDPConnectionRight(rightHost string, rightPort int, tunndelId uint32) (*models.UDPConnection, error)
func CreateOnionTunnelBuild(onionTunnelBuild models.OnionTunnelBuild) []byte
func CreateOnionTunnelData(onionTunnelData models.OnionTunnelData) []byte
func CreateOnionTunnelDestroy(onionTunnelDestroy models.OnionTunnelDestroy) []byte
func CreateOnionTunnelError(onionError models.OnionError) []byte
func CreateOnionTunnelIncoming(onionTunnelIncoming models.OnionTunnelIncoming) []byte
func CreateOnionTunnelReady(onionTunnelReady models.OnionTunnelReady) []byte
func CreateOnionTunnelTrafficJamTCP(tunnelTrafficJam models.OnionTunnelTrafficJam) []byte
func CreateRPSQuery() []byte
func CreateTunnelID() uint32
func CreateTunnelInstruction(tunnelInstruction models.TunnelInstruction) []byte
func CreateUDPWriter(destinationAddress string, destinationPort int) (net.Conn, error)
func DecryptData(key []byte, data []byte) ([]byte, error)
func DecryptKeyExchange(privateKey *rsa.PrivateKey, key []byte) ([]byte, error)
func EncryptData(key []byte, data []byte) ([]byte, error)
func EncryptKeyExchange(publicKey *rsa.PublicKey, key []byte) ([]byte, error)
func GenRandomData() []byte
func GenerateIdentityOfKey(pubKey *rsa.PublicKey) []byte
func GeneratePreMasterKey() (*dhkx.DHKey, []byte, *dhkx.DHGroup)
func GetFreePort() (int, error)
func GetIPOutOfAddr(addr string) string
func NewConfigObject() (*models.Config, error)
func ParseKeys(path string) (*rsa.PrivateKey, *rsa.PublicKey, error)
func ScanCRLF(data []byte, atEOF bool) (advance int, token []byte, err error)
type ChannelError
type ConfirmMessageChannel
type Peer
- func CreateNewPeer(config *models.Config) (*Peer, error)
- func (peer *Peer) AppendNewUDPConnection(myUDPConnectio *models.UDPConnection)
- func (peer *Peer) CreateInitialTCPConnection(tunnelId uint32, finalDestinationHostkey []byte, leftWriter *models.TCPWriter, ...)
- func (peer *Peer) CreateTCPWriter(destinationIP string, tcpPort int) (*models.TCPWriter, error)
- func (peer *Peer) StartTCPListening()
- func (peer *Peer) StartUDPListening()
type TCPMessageChannel
type UDPConnection

Constants ¶

This section is empty.

Variables ¶

View Source

var CommunicationChannelTCPConfirm chan ConfirmMessageChannel

View Source

var CommunicationChannelTCPMessages chan TCPMessageChannel

View Source

var CommunicationChannelUDPMessages chan []byte

GLobal channel for messages from TCP

View Source

var CummunicationChannelError chan ChannelError

GLobal channel for communication errors and messages from TCP and special confirm messages for the peerController

Functions ¶

func ComputeEphemeralKey ¶

func ComputeEphemeralKey(g *dhkx.DHGroup, receivedPublicKey []byte, priv *dhkx.DHKey) []byte

Compute an ephemeral key using DH algorithm

func CreateConfirmTunnelCronstructionMessage ¶

func CreateConfirmTunnelCronstructionMessage(confirmTunnelConstruction models.ConfirmTunnelConstruction) []byte

func CreateConfirmTunnelInstruction ¶

func CreateConfirmTunnelInstruction(confirmTunnelInstruction models.ConfirmTunnelInstruction) []byte

func CreateConstructTunnelMessage ¶

func CreateConstructTunnelMessage(constructTunnel models.ConstructTunnel) []byte

Function to create Construct Tunnel Messages. Type: 567.

func CreateDataConfirmTunnelConstruction ¶

func CreateDataConfirmTunnelConstruction(dataConfirmTunnelConstruction models.DataConfirmTunnelConstruction) []byte

func CreateDataConstructTunnel ¶

func CreateDataConstructTunnel(dataConstructTunnel models.DataConstructTunnel) []byte

func CreateDataExchangeKey ¶

func CreateDataExchangeKey(exchangeKey models.ExchangeKey) []byte

func CreateExchangeKey ¶

func CreateExchangeKey(exchangeKey models.ExchangeKey) []byte

func CreateInitialUDPConnectionLeft ¶

func CreateInitialUDPConnectionLeft(leftHost string, leftPort int, tunndelId uint32) (*models.UDPConnection, error)

When Creating Initial (despite first element in tunnel), always set writer for left side >> Write back to origin

func CreateInitialUDPConnectionRight ¶

func CreateInitialUDPConnectionRight(rightHost string, rightPort int, tunndelId uint32) (*models.UDPConnection, error)

func CreateOnionTunnelBuild ¶

func CreateOnionTunnelBuild(onionTunnelBuild models.OnionTunnelBuild) []byte

func CreateOnionTunnelData ¶

func CreateOnionTunnelData(onionTunnelData models.OnionTunnelData) []byte

func CreateOnionTunnelDestroy ¶

func CreateOnionTunnelDestroy(onionTunnelDestroy models.OnionTunnelDestroy) []byte

func CreateOnionTunnelError ¶

func CreateOnionTunnelError(onionError models.OnionError) []byte

func CreateOnionTunnelIncoming ¶

func CreateOnionTunnelIncoming(onionTunnelIncoming models.OnionTunnelIncoming) []byte

func CreateOnionTunnelReady ¶

func CreateOnionTunnelReady(onionTunnelReady models.OnionTunnelReady) []byte

func CreateOnionTunnelTrafficJamTCP ¶

func CreateOnionTunnelTrafficJamTCP(tunnelTrafficJam models.OnionTunnelTrafficJam) []byte

func CreateRPSQuery ¶

func CreateRPSQuery() []byte

func CreateTunnelID ¶

func CreateTunnelID() uint32

TunnelID: 32 bits.

func CreateTunnelInstruction ¶

func CreateTunnelInstruction(tunnelInstruction models.TunnelInstruction) []byte

func CreateUDPWriter ¶

func CreateUDPWriter(destinationAddress string, destinationPort int) (net.Conn, error)

Creates a new writer for a given ip and port

func DecryptData ¶

func DecryptData(key []byte, data []byte) ([]byte, error)

Decrypt Data with DH key.

func DecryptKeyExchange ¶

func DecryptKeyExchange(privateKey *rsa.PrivateKey, key []byte) ([]byte, error)

Decrypt DH key for key exchange

func EncryptData ¶

func EncryptData(key []byte, data []byte) ([]byte, error)

Encrypt Data with DH key.

func EncryptKeyExchange ¶

func EncryptKeyExchange(publicKey *rsa.PublicKey, key []byte) ([]byte, error)

Encrypt DH key for key exchange

func GenRandomData ¶

func GenRandomData() []byte

used to generate random data

func GenerateIdentityOfKey ¶

func GenerateIdentityOfKey(pubKey *rsa.PublicKey) []byte

Generates an identity byte array based on SHA256 Hash

func GeneratePreMasterKey ¶

func GeneratePreMasterKey() (*dhkx.DHKey, []byte, *dhkx.DHGroup)

Generate a pre-master key for DH algorithm

func GetFreePort ¶

func GetFreePort() (int, error)

getFreePort returns a new free port

func GetIPOutOfAddr ¶

func GetIPOutOfAddr(addr string) string

func NewConfigObject ¶

func NewConfigObject() (*models.Config, error)

NewConfigObject creates a new config struct based on an config.ini file, passed as parameter

func ParseKeys ¶

func ParseKeys(path string) (*rsa.PrivateKey, *rsa.PublicKey, error)

Parse RSA keys (used for DH key exchange) from given path

func ScanCRLF ¶

func ScanCRLF(data []byte, atEOF bool) (advance int, token []byte, err error)

Types ¶

type ChannelError ¶

type ChannelError struct {
	TunnelId uint32
	Error    error
}

ChannelError contains error and the tunnel id

type ConfirmMessageChannel ¶

type ConfirmMessageChannel struct {
	TunnelId uint32
}

type Peer ¶

type Peer struct {
	PeerObject *models.Peer
}

Just used to wrap the actual Peer from models.Peer here to use it as caller

func CreateNewPeer ¶

func CreateNewPeer(config *models.Config) (*Peer, error)

CreatePeer crates a new Peer object that is just listening, now writing necessary at the moment

func (*Peer) AppendNewUDPConnection ¶

func (peer *Peer) AppendNewUDPConnection(myUDPConnectio *models.UDPConnection)

func (*Peer) CreateInitialTCPConnection ¶

func (peer *Peer) CreateInitialTCPConnection(tunnelId uint32, finalDestinationHostkey []byte, leftWriter *models.TCPWriter, originHostkey []byte)

Creates a new TCPConnection for the peer with the left writer already set

func (*Peer) CreateTCPWriter ¶

func (peer *Peer) CreateTCPWriter(destinationIP string, tcpPort int) (*models.TCPWriter, error)

func (*Peer) StartTCPListening ¶

func (peer *Peer) StartTCPListening()

StartTCPListening lets the peer listen for new TCP-messages on its P2P_Port

func (*Peer) StartUDPListening ¶

func (peer *Peer) StartUDPListening()

StartUDPListening lets the peer listen for new UDP-messages

type TCPMessageChannel ¶

type TCPMessageChannel struct {
	Message []byte
	Host    string // Attention, hast port
}

Used to transmit the message and the ip in the CommunicationChannelTCPMessages

type UDPConnection ¶

type UDPConnection struct {
	UCPConnObject *models.UDPConnection
}

Just used to wrap the actual Peer from models.Peer here to use it as caller

Source Files ¶

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