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vectorgen.go
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vectorgen.go
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package main
import (
"bytes"
"encoding/hex"
"fmt"
"io"
"os"
. "github.com/flynn/noise"
)
func main() {
for _, cipher := range []CipherFunc{CipherAESGCM, CipherChaChaPoly} {
for _, hash := range []HashFunc{HashSHA256, HashSHA512, HashBLAKE2b, HashBLAKE2s} {
for _, handshake := range []HandshakePattern{
HandshakeNN,
HandshakeKN,
HandshakeNK,
HandshakeKK,
HandshakeNX,
HandshakeKX,
HandshakeXN,
HandshakeIN,
HandshakeXK,
HandshakeIK,
HandshakeXX,
HandshakeIX,
HandshakeN,
HandshakeK,
HandshakeX,
} {
for _, prologue := range []bool{false, true} {
for _, payloads := range []bool{false, true} {
for pskPlacement := -1; pskPlacement <= len(handshake.Messages); pskPlacement++ {
writeHandshake(
os.Stdout,
NewCipherSuite(DH25519, cipher, hash),
handshake, pskPlacement,
pskPlacement >= 0, prologue, payloads,
)
fmt.Fprintln(os.Stdout)
}
}
}
}
}
}
}
func hexReader(s string) io.Reader {
res, err := hex.DecodeString(s)
if err != nil {
panic(err)
}
return bytes.NewBuffer(res)
}
const (
key0 = "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f"
key1 = "0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f20"
key2 = "2122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f40"
key3 = "202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f"
key4 = "4142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f60"
)
func writeHandshake(out io.Writer, cs CipherSuite, h HandshakePattern, pskPlacement int, hasPSK, hasPrologue, payloads bool) {
var prologue, psk []byte
if hasPrologue {
prologue = []byte("notsecret")
}
if hasPSK {
psk = []byte("!verysecretverysecretverysecret!")
}
staticI, _ := cs.GenerateKeypair(hexReader(key0))
staticR, _ := cs.GenerateKeypair(hexReader(key1))
ephR, _ := cs.GenerateKeypair(hexReader(key2))
configI := Config{
CipherSuite: cs,
Random: hexReader(key3),
Pattern: h,
Initiator: true,
Prologue: prologue,
PresharedKey: psk,
PresharedKeyPlacement: pskPlacement,
}
configR := configI
configR.Random = hexReader(key4)
configR.Initiator = false
var pskName string
if hasPSK {
pskName = fmt.Sprintf("psk%d", pskPlacement)
}
fmt.Fprintf(out, "handshake=Noise_%s%s_%s\n", h.Name, pskName, cs.Name())
if len(h.Name) == 1 {
switch h.Name {
case "N":
configR.StaticKeypair = staticR
configI.PeerStatic = staticR.Public
fmt.Fprintf(out, "resp_static=%x\n", staticR.Private)
case "K":
configI.StaticKeypair = staticI
configR.PeerStatic = staticI.Public
configR.StaticKeypair = staticR
configI.PeerStatic = staticR.Public
fmt.Fprintf(out, "init_static=%x\n", staticI.Private)
fmt.Fprintf(out, "resp_static=%x\n", staticR.Private)
case "X":
configI.StaticKeypair = staticI
configR.StaticKeypair = staticR
configI.PeerStatic = staticR.Public
fmt.Fprintf(out, "init_static=%x\n", staticI.Private)
fmt.Fprintf(out, "resp_static=%x\n", staticR.Private)
}
} else {
switch h.Name[0] {
case 'K', 'X', 'I':
configI.StaticKeypair = staticI
if h.Name[0] == 'K' {
configR.PeerStatic = staticI.Public
}
fmt.Fprintf(out, "init_static=%x\n", staticI.Private)
}
switch h.Name[1] {
case 'K', 'E', 'X', 'R':
configR.StaticKeypair = staticR
fmt.Fprintf(out, "resp_static=%x\n", staticR.Private)
switch h.Name[1] {
case 'K':
configI.PeerStatic = staticR.Public
case 'E':
configR.EphemeralKeypair = ephR
configI.PeerEphemeral = ephR.Public
configI.PeerStatic = staticR.Public
fmt.Fprintf(out, "resp_ephemeral=%x\n", ephR.Private)
}
}
}
fmt.Fprintf(out, "gen_init_ephemeral=%s\n", key3)
fmt.Fprintf(out, "gen_resp_ephemeral=%s\n", key4)
if len(prologue) > 0 {
fmt.Fprintf(out, "prologue=%x\n", prologue)
}
if len(psk) > 0 {
fmt.Fprintf(out, "preshared_key=%x\n", psk)
}
hsI, _ := NewHandshakeState(configI)
hsR, _ := NewHandshakeState(configR)
var cs0, cs1 *CipherState
for i := range h.Messages {
writer, reader := hsI, hsR
if i%2 != 0 {
writer, reader = hsR, hsI
}
var payload string
if payloads {
payload = fmt.Sprintf("test_msg_%d", i)
}
var msg []byte
msg, cs0, cs1, _ = writer.WriteMessage(nil, []byte(payload))
_, _, _, err := reader.ReadMessage(nil, msg)
if err != nil {
panic(err)
}
fmt.Fprintf(out, "msg_%d_payload=%x\n", i, payload)
fmt.Fprintf(out, "msg_%d_ciphertext=%x\n", i, msg)
}
payload0 := []byte("yellowsubmarine")
payload1 := []byte("submarineyellow")
fmt.Fprintf(out, "msg_%d_payload=%x\n", len(h.Messages), payload0)
ciphertext0, _ := cs0.Encrypt(nil, nil, payload0)
fmt.Fprintf(out, "msg_%d_ciphertext=%x\n", len(h.Messages), ciphertext0)
fmt.Fprintf(out, "msg_%d_payload=%x\n", len(h.Messages)+1, payload1)
ciphertext1, _ := cs1.Encrypt(nil, nil, payload1)
fmt.Fprintf(out, "msg_%d_ciphertext=%x\n", len(h.Messages)+1, ciphertext1)
}