/usr/share/gocode/src/golang.org/x/crypto/otr/otr_test.go is in golang-golang-x-crypto-dev 1:0.0~git20170407.0.55a552f+REALLY.0.0~git20161012.0.5f31782-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 | // Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package otr
import (
"bufio"
"bytes"
"crypto/rand"
"encoding/hex"
"math/big"
"os"
"os/exec"
"testing"
)
var isQueryTests = []struct {
msg string
expectedVersion int
}{
{"foo", 0},
{"?OtR", 0},
{"?OtR?", 0},
{"?OTR?", 0},
{"?OTRv?", 0},
{"?OTRv1?", 0},
{"?OTR?v1?", 0},
{"?OTR?v?", 0},
{"?OTR?v2?", 2},
{"?OTRv2?", 2},
{"?OTRv23?", 2},
{"?OTRv23 ?", 0},
}
func TestIsQuery(t *testing.T) {
for i, test := range isQueryTests {
version := isQuery([]byte(test.msg))
if version != test.expectedVersion {
t.Errorf("#%d: got %d, want %d", i, version, test.expectedVersion)
}
}
}
var alicePrivateKeyHex = "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"
var aliceFingerprintHex = "0bb01c360424522e94ee9c346ce877a1a4288b2f"
var bobPrivateKeyHex = "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"
func TestKeySerialization(t *testing.T) {
var priv PrivateKey
alicePrivateKey, _ := hex.DecodeString(alicePrivateKeyHex)
rest, ok := priv.Parse(alicePrivateKey)
if !ok {
t.Error("failed to parse private key")
}
if len(rest) > 0 {
t.Error("data remaining after parsing private key")
}
out := priv.Serialize(nil)
if !bytes.Equal(alicePrivateKey, out) {
t.Errorf("serialization (%x) is not equal to original (%x)", out, alicePrivateKey)
}
aliceFingerprint, _ := hex.DecodeString(aliceFingerprintHex)
fingerprint := priv.PublicKey.Fingerprint()
if !bytes.Equal(aliceFingerprint, fingerprint) {
t.Errorf("fingerprint (%x) is not equal to expected value (%x)", fingerprint, aliceFingerprint)
}
}
const libOTRPrivateKey = `(privkeys
(account
(name "foo@example.com")
(protocol prpl-jabber)
(private-key
(dsa
(p #00FC07ABCF0DC916AFF6E9AE47BEF60C7AB9B4D6B2469E436630E36F8A489BE812486A09F30B71224508654940A835301ACC525A4FF133FC152CC53DCC59D65C30A54F1993FE13FE63E5823D4C746DB21B90F9B9C00B49EC7404AB1D929BA7FBA12F2E45C6E0A651689750E8528AB8C031D3561FECEE72EBB4A090D450A9B7A857#)
(q #00997BD266EF7B1F60A5C23F3A741F2AEFD07A2081#)
(g #535E360E8A95EBA46A4F7DE50AD6E9B2A6DB785A66B64EB9F20338D2A3E8FB0E94725848F1AA6CC567CB83A1CC517EC806F2E92EAE71457E80B2210A189B91250779434B41FC8A8873F6DB94BEA7D177F5D59E7E114EE10A49CFD9CEF88AE43387023B672927BA74B04EB6BBB5E57597766A2F9CE3857D7ACE3E1E3BC1FC6F26#)
(y #0AC8670AD767D7A8D9D14CC1AC6744CD7D76F993B77FFD9E39DF01E5A6536EF65E775FCEF2A983E2A19BD6415500F6979715D9FD1257E1FE2B6F5E1E74B333079E7C880D39868462A93454B41877BE62E5EF0A041C2EE9C9E76BD1E12AE25D9628DECB097025DD625EF49C3258A1A3C0FF501E3DC673B76D7BABF349009B6ECF#)
(x #14D0345A3562C480A039E3C72764F72D79043216#)
)
)
)
)`
func TestParseLibOTRPrivateKey(t *testing.T) {
var priv PrivateKey
if !priv.Import([]byte(libOTRPrivateKey)) {
t.Fatalf("Failed to import sample private key")
}
}
func TestSignVerify(t *testing.T) {
var priv PrivateKey
alicePrivateKey, _ := hex.DecodeString(alicePrivateKeyHex)
_, ok := priv.Parse(alicePrivateKey)
if !ok {
t.Error("failed to parse private key")
}
var msg [32]byte
rand.Reader.Read(msg[:])
sig := priv.Sign(rand.Reader, msg[:])
rest, ok := priv.PublicKey.Verify(msg[:], sig)
if !ok {
t.Errorf("signature (%x) of %x failed to verify", sig, msg[:])
} else if len(rest) > 0 {
t.Error("signature data remains after verification")
}
sig[10] ^= 80
_, ok = priv.PublicKey.Verify(msg[:], sig)
if ok {
t.Errorf("corrupted signature (%x) of %x verified", sig, msg[:])
}
}
func setupConversation(t *testing.T) (alice, bob *Conversation) {
alicePrivateKey, _ := hex.DecodeString(alicePrivateKeyHex)
bobPrivateKey, _ := hex.DecodeString(bobPrivateKeyHex)
alice, bob = new(Conversation), new(Conversation)
alice.PrivateKey = new(PrivateKey)
bob.PrivateKey = new(PrivateKey)
alice.PrivateKey.Parse(alicePrivateKey)
bob.PrivateKey.Parse(bobPrivateKey)
alice.FragmentSize = 100
bob.FragmentSize = 100
if alice.IsEncrypted() {
t.Error("Alice believes that the conversation is secure before we've started")
}
if bob.IsEncrypted() {
t.Error("Bob believes that the conversation is secure before we've started")
}
performHandshake(t, alice, bob)
return alice, bob
}
func performHandshake(t *testing.T, alice, bob *Conversation) {
var alicesMessage, bobsMessage [][]byte
var out []byte
var aliceChange, bobChange SecurityChange
var err error
alicesMessage = append(alicesMessage, []byte(QueryMessage))
for round := 0; len(alicesMessage) > 0 || len(bobsMessage) > 0; round++ {
bobsMessage = nil
for i, msg := range alicesMessage {
out, _, bobChange, bobsMessage, err = bob.Receive(msg)
if len(out) > 0 {
t.Errorf("Bob generated output during key exchange, round %d, message %d", round, i)
}
if err != nil {
t.Fatalf("Bob returned an error, round %d, message %d (%x): %s", round, i, msg, err)
}
if len(bobsMessage) > 0 && i != len(alicesMessage)-1 {
t.Errorf("Bob produced output while processing a fragment, round %d, message %d", round, i)
}
}
alicesMessage = nil
for i, msg := range bobsMessage {
out, _, aliceChange, alicesMessage, err = alice.Receive(msg)
if len(out) > 0 {
t.Errorf("Alice generated output during key exchange, round %d, message %d", round, i)
}
if err != nil {
t.Fatalf("Alice returned an error, round %d, message %d (%x): %s", round, i, msg, err)
}
if len(alicesMessage) > 0 && i != len(bobsMessage)-1 {
t.Errorf("Alice produced output while processing a fragment, round %d, message %d", round, i)
}
}
}
if aliceChange != NewKeys {
t.Errorf("Alice terminated without signaling new keys")
}
if bobChange != NewKeys {
t.Errorf("Bob terminated without signaling new keys")
}
if !bytes.Equal(alice.SSID[:], bob.SSID[:]) {
t.Errorf("Session identifiers don't match. Alice has %x, Bob has %x", alice.SSID[:], bob.SSID[:])
}
if !alice.IsEncrypted() {
t.Error("Alice doesn't believe that the conversation is secure")
}
if !bob.IsEncrypted() {
t.Error("Bob doesn't believe that the conversation is secure")
}
}
const (
firstRoundTrip = iota
subsequentRoundTrip
noMACKeyCheck
)
func roundTrip(t *testing.T, alice, bob *Conversation, message []byte, macKeyCheck int) {
alicesMessage, err := alice.Send(message)
if err != nil {
t.Errorf("Error from Alice sending message: %s", err)
}
if len(alice.oldMACs) != 0 {
t.Errorf("Alice has not revealed all MAC keys")
}
for i, msg := range alicesMessage {
out, encrypted, _, _, err := bob.Receive(msg)
if err != nil {
t.Errorf("Error generated while processing test message: %s", err.Error())
}
if len(out) > 0 {
if i != len(alicesMessage)-1 {
t.Fatal("Bob produced a message while processing a fragment of Alice's")
}
if !encrypted {
t.Errorf("Message was not marked as encrypted")
}
if !bytes.Equal(out, message) {
t.Errorf("Message corrupted: got %x, want %x", out, message)
}
}
}
switch macKeyCheck {
case firstRoundTrip:
if len(bob.oldMACs) != 0 {
t.Errorf("Bob should not have MAC keys to reveal")
}
case subsequentRoundTrip:
if len(bob.oldMACs) != 40 {
t.Errorf("Bob has %d bytes of MAC keys to reveal, but should have 40", len(bob.oldMACs))
}
}
bobsMessage, err := bob.Send(message)
if err != nil {
t.Errorf("Error from Bob sending message: %s", err)
}
if len(bob.oldMACs) != 0 {
t.Errorf("Bob has not revealed all MAC keys")
}
for i, msg := range bobsMessage {
out, encrypted, _, _, err := alice.Receive(msg)
if err != nil {
t.Errorf("Error generated while processing test message: %s", err.Error())
}
if len(out) > 0 {
if i != len(bobsMessage)-1 {
t.Fatal("Alice produced a message while processing a fragment of Bob's")
}
if !encrypted {
t.Errorf("Message was not marked as encrypted")
}
if !bytes.Equal(out, message) {
t.Errorf("Message corrupted: got %x, want %x", out, message)
}
}
}
switch macKeyCheck {
case firstRoundTrip:
if len(alice.oldMACs) != 20 {
t.Errorf("Alice has %d bytes of MAC keys to reveal, but should have 20", len(alice.oldMACs))
}
case subsequentRoundTrip:
if len(alice.oldMACs) != 40 {
t.Errorf("Alice has %d bytes of MAC keys to reveal, but should have 40", len(alice.oldMACs))
}
}
}
func TestConversation(t *testing.T) {
alice, bob := setupConversation(t)
var testMessages = [][]byte{
[]byte("hello"), []byte("bye"),
}
roundTripType := firstRoundTrip
for _, testMessage := range testMessages {
roundTrip(t, alice, bob, testMessage, roundTripType)
roundTripType = subsequentRoundTrip
}
}
func TestGoodSMP(t *testing.T) {
var alice, bob Conversation
alice.smp.secret = new(big.Int).SetInt64(42)
bob.smp.secret = alice.smp.secret
var alicesMessages, bobsMessages []tlv
var aliceComplete, bobComplete bool
var err error
var out tlv
alicesMessages = alice.startSMP("")
for round := 0; len(alicesMessages) > 0 || len(bobsMessages) > 0; round++ {
bobsMessages = bobsMessages[:0]
for i, msg := range alicesMessages {
out, bobComplete, err = bob.processSMP(msg)
if err != nil {
t.Errorf("Error from Bob in round %d: %s", round, err)
}
if bobComplete && i != len(alicesMessages)-1 {
t.Errorf("Bob returned a completed signal before processing all of Alice's messages in round %d", round)
}
if out.typ != 0 {
bobsMessages = append(bobsMessages, out)
}
}
alicesMessages = alicesMessages[:0]
for i, msg := range bobsMessages {
out, aliceComplete, err = alice.processSMP(msg)
if err != nil {
t.Errorf("Error from Alice in round %d: %s", round, err)
}
if aliceComplete && i != len(bobsMessages)-1 {
t.Errorf("Alice returned a completed signal before processing all of Bob's messages in round %d", round)
}
if out.typ != 0 {
alicesMessages = append(alicesMessages, out)
}
}
}
if !aliceComplete || !bobComplete {
t.Errorf("SMP completed without both sides reporting success: alice: %v, bob: %v\n", aliceComplete, bobComplete)
}
}
func TestBadSMP(t *testing.T) {
var alice, bob Conversation
alice.smp.secret = new(big.Int).SetInt64(42)
bob.smp.secret = new(big.Int).SetInt64(43)
var alicesMessages, bobsMessages []tlv
alicesMessages = alice.startSMP("")
for round := 0; len(alicesMessages) > 0 || len(bobsMessages) > 0; round++ {
bobsMessages = bobsMessages[:0]
for _, msg := range alicesMessages {
out, complete, _ := bob.processSMP(msg)
if complete {
t.Errorf("Bob signaled completion in round %d", round)
}
if out.typ != 0 {
bobsMessages = append(bobsMessages, out)
}
}
alicesMessages = alicesMessages[:0]
for _, msg := range bobsMessages {
out, complete, _ := alice.processSMP(msg)
if complete {
t.Errorf("Alice signaled completion in round %d", round)
}
if out.typ != 0 {
alicesMessages = append(alicesMessages, out)
}
}
}
}
func TestRehandshaking(t *testing.T) {
alice, bob := setupConversation(t)
roundTrip(t, alice, bob, []byte("test"), firstRoundTrip)
roundTrip(t, alice, bob, []byte("test 2"), subsequentRoundTrip)
roundTrip(t, alice, bob, []byte("test 3"), subsequentRoundTrip)
roundTrip(t, alice, bob, []byte("test 4"), subsequentRoundTrip)
roundTrip(t, alice, bob, []byte("test 5"), subsequentRoundTrip)
roundTrip(t, alice, bob, []byte("test 6"), subsequentRoundTrip)
roundTrip(t, alice, bob, []byte("test 7"), subsequentRoundTrip)
roundTrip(t, alice, bob, []byte("test 8"), subsequentRoundTrip)
performHandshake(t, alice, bob)
roundTrip(t, alice, bob, []byte("test"), noMACKeyCheck)
roundTrip(t, alice, bob, []byte("test 2"), noMACKeyCheck)
}
func TestAgainstLibOTR(t *testing.T) {
// This test requires otr.c.test to be built as /tmp/a.out.
// If enabled, this tests runs forever performing OTR handshakes in a
// loop.
return
alicePrivateKey, _ := hex.DecodeString(alicePrivateKeyHex)
var alice Conversation
alice.PrivateKey = new(PrivateKey)
alice.PrivateKey.Parse(alicePrivateKey)
cmd := exec.Command("/tmp/a.out")
cmd.Stderr = os.Stderr
out, err := cmd.StdinPipe()
if err != nil {
t.Fatal(err)
}
defer out.Close()
stdout, err := cmd.StdoutPipe()
if err != nil {
t.Fatal(err)
}
in := bufio.NewReader(stdout)
if err := cmd.Start(); err != nil {
t.Fatal(err)
}
out.Write([]byte(QueryMessage))
out.Write([]byte("\n"))
var expectedText = []byte("test message")
for {
line, isPrefix, err := in.ReadLine()
if isPrefix {
t.Fatal("line from subprocess too long")
}
if err != nil {
t.Fatal(err)
}
text, encrypted, change, alicesMessage, err := alice.Receive(line)
if err != nil {
t.Fatal(err)
}
for _, msg := range alicesMessage {
out.Write(msg)
out.Write([]byte("\n"))
}
if change == NewKeys {
alicesMessage, err := alice.Send([]byte("Go -> libotr test message"))
if err != nil {
t.Fatalf("error sending message: %s", err.Error())
} else {
for _, msg := range alicesMessage {
out.Write(msg)
out.Write([]byte("\n"))
}
}
}
if len(text) > 0 {
if !bytes.Equal(text, expectedText) {
t.Fatalf("expected %x, but got %x", expectedText, text)
}
if !encrypted {
t.Fatal("message wasn't encrypted")
}
}
}
}
|