Fixed ping and return to have next hop IP in previous hop message wrapper

pkg/client/client_test.go

@@ -68,7 +68,7 @@ package client
 // 	// log.I.Ln(len(ci.Hops))
 // 	for i := range ci.Hops {
 // 		// progress through the hops in reverse
-// 		rm := &wire.Forward{
+// 		rm := &wire.HeaderKey{
 // 			IP:      ci.Hops[len(ci.Hops)-i-1].IP,
 // 			Message: lastMsg,
 // 		}
@@ -76,7 +76,7 @@ package client
 // 		ep := message.EP{
 // 			To: address.
 // 				FromPubKey(ci.Hops[len(ci.Hops)-i-1].Key),
-// 			From:   cl.Sessions[i].KeyRoller.Next(),
+// 			From:   cl.Sessions[i].KeySet.Next(),
 // 			Length: len(rmm),
 // 			Data:   rmm,
 // 		}
@@ -134,7 +134,7 @@ package client
 // 			t.Error(e)
 // 			t.FailNow()
 // 		}
-// 		var rm *wire.Forward
+// 		var rm *wire.HeaderKey
 // 		var msg wire.Message
 // 		if msg, e = wire.Deserialize(f.Data); check(e) {
 // 			t.Error(e)

pkg/client/session.go

@@ -11,10 +11,9 @@ import (
 // with new credit, and the current state of the encryption.
 type Session struct {
 	nonce.ID
-	Remaining       uint64
-	Forward, Return *address.SendEntry
-	ReceiveEntry    *address.ReceiveEntry
-	KeyRoller       *signer.KeySet
+	Remaining             uint64
+	HeaderKey, PayloadKey *address.SendEntry
+	*signer.KeySet
 }
 
 type Sessions []*Session
@@ -49,15 +48,15 @@ func (s Sessions) Find(t nonce.ID) (se *Session) {
 //
 // Purchasing a session the seller returns a token, based on a requested data
 // allocation,
-func NewSession(id nonce.ID, rem uint64, fwd, rtn *address.SendEntry,
-	re *address.ReceiveEntry, kr *signer.KeySet) (s *Session) {
+func NewSession(id nonce.ID, rem uint64, hdr, pld *address.SendEntry,
+	kr *signer.KeySet) (s *Session) {
 
 	s = &Session{
-		ID:           id,
-		Remaining:    rem,
-		Forward:      fwd,
-		ReceiveEntry: re,
-		KeyRoller:    kr,
+		ID:         id,
+		Remaining:  rem,
+		HeaderKey:  hdr,
+		PayloadKey: pld,
+		KeySet:     kr,
 	}
 	return
 }
@@ -78,11 +77,3 @@ func (s *Session) SubtractBytes(b uint64) bool {
 	s.Remaining -= b
 	return true
 }
-
-func (s *Session) SetSendEntry(se *address.SendEntry) {
-	s.Forward = se
-}
-
-func (s *Session) SetReceiveEntry(re *address.ReceiveEntry) {
-	s.ReceiveEntry = re
-}

pkg/key/address/keychain.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/Indra-Labs/indra/pkg/key/prv"
 	"github.com/Indra-Labs/indra/pkg/key/pub"
+	"github.com/Indra-Labs/indra/pkg/nonce"
 )
 
 // SendEntry tracks the received signing keys to be used for messages with a
@@ -91,15 +92,16 @@ func (sc *SendCache) Delete(k pub.Bytes) (e error) {
 	return
 }
 
-// ReceiveEntry tracks the details of a receiver key and their related IP
-// address.
+// ReceiveEntry tracks the details of a receiver key and their ID.
 type ReceiveEntry struct {
+	nonce.ID
 	*Receiver
 	time.Time
 }
 
 func NewReceiveEntry(priv *prv.Key) *ReceiveEntry {
 	return &ReceiveEntry{
+		ID:       nonce.NewID(),
 		Receiver: NewReceiver(priv),
 		Time:     time.Now(),
 	}
@@ -128,7 +130,7 @@ func (rc *ReceiveCache) Len() int {
 }
 
 func (rc *ReceiveCache) Add(r *Receiver) {
-	re := &ReceiveEntry{Receiver: r, Time: time.Now()}
+	re := NewReceiveEntry(r.Key)
 	rc.ReceiveEntries = append(rc.ReceiveEntries, re)
 	rc.Index = append(rc.Index, pub.Derive(r.Key).ToBytes())
 	return

pkg/node/node.go

@@ -25,7 +25,7 @@ var (
 type Node struct {
 	nonce.ID
 	net.IP
-	Forward, Return *pub.Key
+	HeaderKey, PayloadKey *pub.Key
 	ifc.Transport
 }
 
@@ -34,11 +34,11 @@ type Node struct {
 func New(ip net.IP, fwd, rtn *pub.Key, tpt ifc.Transport) (n *Node, id nonce.ID) {
 	id = nonce.NewID()
 	n = &Node{
-		ID:        id,
-		IP:        ip,
-		Transport: tpt,
-		Forward:   fwd,
-		Return:    rtn,
+		ID:         id,
+		IP:         ip,
+		Transport:  tpt,
+		HeaderKey:  fwd,
+		PayloadKey: rtn,
 	}
 	return
 }

pkg/wire/layers.go

@@ -16,8 +16,8 @@ type OnionSkins []Onion
 func (o OnionSkins) Message(to *address.Sender, from *prv.Key) OnionSkins {
 	return append(o, &Message{To: to, From: from})
 }
-func (o OnionSkins) Confirmation(ciph sha256.Hash, id nonce.ID) OnionSkins {
-	return append(o, &Confirmation{Cipher: ciph, ID: id})
+func (o OnionSkins) Confirmation(id nonce.ID) OnionSkins {
+	return append(o, &Confirmation{ID: id})
 }
 func (o OnionSkins) Forward(ip net.IP) OnionSkins {
 	return append(o, &Forward{IP: ip})

pkg/wire/onion.go

@@ -19,17 +19,18 @@ import (
 // an increment of their liveness score. By using this scheme, when nodes are
 // offline their scores will fall to zero after a time whereas live nodes will
 // have steadily increasing scores from successful pings.
-func Ping(ciph sha256.Hash, id nonce.ID, nodes [3]node.Node,
+func Ping(id nonce.ID, client node.Node, hop [3]node.Node,
 	set signer.KeySet) Onion {
 
 	return OnionSkins{}.
-		Message(address.FromPubKey(nodes[0].Forward), set.Next()).
-		Forward(nodes[0].IP).
-		Message(address.FromPubKey(nodes[1].Forward), set.Next()).
-		Forward(nodes[1].IP).
-		Message(address.FromPubKey(nodes[2].Forward), set.Next()).
-		Forward(nodes[2].IP).
-		Confirmation(ciph, id).
+		Message(address.FromPubKey(hop[0].HeaderKey), set.Next()).
+		Forward(hop[1].IP).
+		Message(address.FromPubKey(hop[1].HeaderKey), set.Next()).
+		Forward(hop[2].IP).
+		Message(address.FromPubKey(hop[2].HeaderKey), set.Next()).
+		Forward(client.IP).
+		Message(address.FromPubKey(client.HeaderKey), set.Next()).
+		Confirmation(id).
 		Assemble()
 }
 
@@ -46,20 +47,26 @@ func Ping(ciph sha256.Hash, id nonce.ID, nodes [3]node.Node,
 // This message's last layer is a Confirmation, which allows the client to know
 // that the key was successfully delivered to the Return relays that will be
 // used in the Purchase.
-func SendReturn(id nonce.ID, ciph sha256.Hash, hdr, pld *prv.Key,
-	nodes [5]node.Node, set signer.KeySet) Onion {
+//
+// The first hop (0) is the destination of the first layer, 1 is second, 2 is
+// the return relay, 3 is the first return, 4 is the second return, and client
+// is the client.
+func SendReturn(idCipher sha256.Hash, id nonce.ID, hdr, pld *prv.Key,
+	client node.Node, hop [5]node.Node, set signer.KeySet) Onion {
 
 	return OnionSkins{}.
-		Message(address.FromPubKey(nodes[0].Forward), set.Next()).
-		Forward(nodes[0].IP).
-		Message(address.FromPubKey(nodes[1].Forward), set.Next()).
-		Forward(nodes[1].IP).
-		Message(address.FromPubKey(nodes[2].Forward), set.Next()).
+		Message(address.FromPubKey(hop[0].HeaderKey), set.Next()).
+		Forward(hop[1].IP).
+		Message(address.FromPubKey(hop[1].HeaderKey), set.Next()).
+		Forward(hop[2].IP).
+		Message(address.FromPubKey(hop[2].HeaderKey), set.Next()).
 		Cipher(hdr, pld).
-		Message(address.FromPubKey(nodes[3].Forward), set.Next()).
-		Forward(nodes[1].IP).
-		Message(address.FromPubKey(nodes[4].Forward), set.Next()).
-		Forward(nodes[2].IP).
-		Confirmation(ciph, id).
+		Forward(hop[3].IP).
+		Message(address.FromPubKey(hop[3].HeaderKey), set.Next()).
+		Forward(hop[4].IP).
+		Message(address.FromPubKey(hop[4].HeaderKey), set.Next()).
+		Forward(client.IP).
+		Message(address.FromPubKey(client.HeaderKey), set.Next()).
+		Confirmation(id).
 		Assemble()
 }

pkg/wire/onionskins.go

@@ -1,7 +1,6 @@
 package wire
 
 import (
-	"crypto/aes"
 	"crypto/cipher"
 	"net"
 
@@ -114,7 +113,6 @@ func (on *Message) Encode(o slice.Bytes, c *slice.Cursor) {
 // randomly selected, so they will generally be a much smaller subset versus the
 // current full set of Session s currently open.
 type Confirmation struct {
-	Cipher sha256.Hash
 	nonce.ID
 }
 
@@ -128,13 +126,8 @@ func (cf *Confirmation) Len() int {
 
 func (cf *Confirmation) Encode(o slice.Bytes, c *slice.Cursor) {
 	copy(o[*c:c.Inc(MagicLen)], ConfirmationMagic)
-	// Generate block cipher from confirmation Cipher.
-	block, _ := aes.NewCipher(cf.Cipher[:])
-	start, end := *c, c.Inc(nonce.IDLen)
 	// Copy in the ID.
-	copy(o[start:end], cf.ID[:])
-	// Encrypt the ID to the cipher.
-	ciph.Encipher(block, nonce.New(), o[start:end])
+	copy(o[*c:c.Inc(nonce.IDLen)], cf.ID[:])
 }
 
 // Forward is just an IP address and a wrapper for another message.
@@ -324,10 +317,10 @@ func (se *Session) Len() int {
 }
 
 func (se *Session) Encode(o slice.Bytes, c *slice.Cursor) {
-	fwd, rtn := se.HeaderKey.ToBytes(), se.PayloadKey.ToBytes()
+	hdr, pld := se.HeaderKey.ToBytes(), se.PayloadKey.ToBytes()
 	copy(o[*c:c.Inc(MagicLen)], SessionMagic)
-	copy(o[*c:c.Inc(pub.KeyLen)], fwd[:])
-	copy(o[*c:c.Inc(pub.KeyLen)], rtn[:])
+	copy(o[*c:c.Inc(pub.KeyLen)], hdr[:])
+	copy(o[*c:c.Inc(pub.KeyLen)], pld[:])
 	se.Onion.Encode(o, c)
 }
 

version.go

@@ -13,11 +13,11 @@ var (
 	// GitRef is the gitref, as in refs/heads/branchname.
 	GitRef = "refs/heads/main"
 	// ParentGitCommit is the commit hash of the parent HEAD.
-	ParentGitCommit = "ac3e6aaf8f848db2fb18df2b9e6e02c0e0eb2934"
+	ParentGitCommit = "61bd600f319bb33fcb56488ca715a812e36c66a0"
 	// BuildTime stores the time when the current binary was built.
-	BuildTime = "2022-12-20T11:11:58Z"
+	BuildTime = "2022-12-20T12:17:55Z"
 	// SemVer lists the (latest) git tag on the build.
-	SemVer = "v0.0.193"
+	SemVer = "v0.0.194"
 	// PathBase is the path base returned from runtime caller.
 	PathBase = "/home/loki/src/github.com/Indra-Labs/indra/"
 	// Major is the major number from the tag.
@@ -25,7 +25,7 @@ var (
 	// Minor is the minor number from the tag.
 	Minor = 0
 	// Patch is the patch version number from the tag.
-	Patch = 193
+	Patch = 194
 )
 
 // Version returns a pretty printed version information string.