p2ptls

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Published: Aug 29, 2021 License: MIT Imports: 18 Imported by: 4

README

go-libp2p-tls

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go-libp2p's TLS encrypted transport

Package go-libp2p-tls is a libp2p conn security transport. It uses TLS to setup the communication channel.

Install

go-libp2p-tls is a standard Go module which can be installed with:

go get github.com/libp2p/go-libp2p-tls

This repo is gomod-compatible, and users of go 1.11 and later with modules enabled will automatically pull the latest tagged release by referencing this package. Upgrades to future releases can be managed using go get, or by editing your go.mod file as described by the gomod documentation.

Contribute

Feel free to join in. All welcome. Open an issue!

This repository falls under the libp2p Code of Conduct.

Want to hack on libp2p?

License

MIT


The last gx published version of this module was: 0.1.0: QmR4qpcxA1UoHg7SZ89hJHYCpfrxToPjH9xSCug1cQeH1M

Documentation

Index

Constants

View Source
const ID = "/tls/1.0.0"

ID is the protocol ID (used when negotiating with multistream)

Variables

This section is empty.

Functions

func PubKeyFromCertChain

func PubKeyFromCertChain(chain []*x509.Certificate) (ic.PubKey, error)

PubKeyFromCertChain verifies the certificate chain and extract the remote's public key.

Types

type Identity

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

Identity is used to secure connections

func NewIdentity

func NewIdentity(privKey ic.PrivKey) (*Identity, error)

NewIdentity creates a new identity

func (*Identity) ConfigForAny

func (i *Identity) ConfigForAny() (*tls.Config, <-chan ic.PubKey)

ConfigForAny is a short-hand for ConfigForPeer("").

func (*Identity) ConfigForPeer

func (i *Identity) ConfigForPeer(remote peer.ID) (*tls.Config, <-chan ic.PubKey)

ConfigForPeer creates a new single-use tls.Config that verifies the peer's certificate chain and returns the peer's public key via the channel. If the peer ID is empty, the returned config will accept any peer.

It should be used to create a new tls.Config before securing either an incoming or outgoing connection.

type Transport

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

Transport constructs secure communication sessions for a peer.

func New

func New(key ci.PrivKey) (*Transport, error)

New creates a TLS encrypted transport

func (*Transport) SecureInbound

func (t *Transport) SecureInbound(ctx context.Context, insecure net.Conn) (sec.SecureConn, error)

SecureInbound runs the TLS handshake as a server.

func (*Transport) SecureOutbound

func (t *Transport) SecureOutbound(ctx context.Context, insecure net.Conn, p peer.ID) (sec.SecureConn, error)

SecureOutbound runs the TLS handshake as a client. Note that SecureOutbound will not return an error if the server doesn't accept the certificate. This is due to the fact that in TLS 1.3, the client sends its certificate and the ClientFinished in the same flight, and can send application data immediately afterwards. If the handshake fails, the server will close the connection. The client will notice this after 1 RTT when calling Read.

Directories

Path Synopsis
cmd

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