handshake.md

JS Handshake

This documents the handshake message exchange when a peer (local) connects to another peer (remote).

It was traced with WireShark on Feb 11 2018 using jsipfs v0.27.07 by doing

jsipfs daemon
jsipfs swarm connect /ip4/127.0.0.1/tcp/4002/ipfs/QmXFX2P5ammdmXQgfqGkfswtEVFsZUJ5KeHRXQYCTdiTAb

The daemon's ID

> jsipfs id
{
  "id": "QmXFX2P5ammdmXQgfqGkfswtEVFsZUJ5KeHRXQYCTdiTAb",
  "publicKey": "CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCfBYU9c0n28u02N/XCJY8yIsRqRVO5Zw+6kDHCremt2flHT4AaWnwGLAG9YyQJbRTvWN9nW2LK7Pv3uoIlvUSTnZEP0SXB5oZeqtxUdi6tuvcyqTIfsUSanLQucYITq8Qw3IMBzk+KpWNm98g9A/Xy30MkUS8mrBIO9pHmIZa55fvclDkTvLxjnGWA2avaBfJvHgMSTu0D2CQcmJrvwyKMhLCSIbQewZd2V7vc6gtxbRovKlrIwDTmDBXbfjbLljOuzg2yBLyYxXlozO9blpttbnOpU4kTspUVJXglmjsv7YSIJS3UKt3544l/srHbqlwC5CgOgjlwNfYPadO8kmBfAgMBAAE=",
  "addresses": [
    "/ip4/127.0.0.1/tcp/4002/ipfs/QmXFX2P5ammdmXQgfqGkfswtEVFsZUJ5KeHRXQYCTdiTAb",
    "/ip4/127.0.0.1/tcp/4003/ws/ipfs/QmXFX2P5ammdmXQgfqGkfswtEVFsZUJ5KeHRXQYCTdiTAb",
    "/ip4/169.254.140.225/tcp/4002/ipfs/QmXFX2P5ammdmXQgfqGkfswtEVFsZUJ5KeHRXQYCTdiTAb",
    "/ip4/192.168.178.21/tcp/4002/ipfs/QmXFX2P5ammdmXQgfqGkfswtEVFsZUJ5KeHRXQYCTdiTAb"
  ],
  "agentVersion": "js-ipfs/0.27.7",
  "protocolVersion": "9000"
}

Messages

Note the messages are not displayed with the length prefix nor newline suffix.

Local (port 58584)	Remote (port 4002)
/multistream/1.0.0
	/multistream/1.0.0
/plaintext/1.0.0
	/plaintext/1.0.0
/multistream/1.0.0
	/multistream/1.0.0
/mplex/6.7.0
	/mplex/6.7.0
	0x08 0x00 - mplex create stream 1 no name
	0x0a 0x14 - mplex message initiator stream 1
	/multistream/1.0.0
0x09 0x14
/multistream/1.0.0
	0x09 0x14
	/multistream/1.0.0
0x0a 0x10
	/ipfs/id/1.0.0
0x09 0x10
ipfs/id/1.0.0
0x09 0xad 0x04
... maybe addresses
	0e 00

GO Handshake

ipfs daemon --disable-transport-encryption