github.com/aquanetwork/aquachain@v1.7.8/p2p/rlpx_test.go (about) 1 // Copyright 2015 The aquachain Authors 2 // This file is part of the aquachain library. 3 // 4 // The aquachain library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The aquachain library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>. 16 17 package p2p 18 19 import ( 20 "bytes" 21 "crypto/rand" 22 "errors" 23 "fmt" 24 "io" 25 "io/ioutil" 26 "net" 27 "reflect" 28 "strings" 29 "sync" 30 "testing" 31 "time" 32 33 "github.com/davecgh/go-spew/spew" 34 "gitlab.com/aquachain/aquachain/crypto" 35 "gitlab.com/aquachain/aquachain/crypto/ecies" 36 "gitlab.com/aquachain/aquachain/crypto/sha3" 37 "gitlab.com/aquachain/aquachain/p2p/discover" 38 "gitlab.com/aquachain/aquachain/rlp" 39 ) 40 41 func TestSharedSecret(t *testing.T) { 42 prv0, _ := crypto.GenerateKey() // = ecdsa.GenerateKey(crypto.S256(), rand.Reader) 43 pub0 := &prv0.PublicKey 44 prv1, _ := crypto.GenerateKey() 45 pub1 := &prv1.PublicKey 46 47 ss0, err := ecies.ImportECDSA(prv0).GenerateShared(ecies.ImportECDSAPublic(pub1), sskLen, sskLen) 48 if err != nil { 49 return 50 } 51 ss1, err := ecies.ImportECDSA(prv1).GenerateShared(ecies.ImportECDSAPublic(pub0), sskLen, sskLen) 52 if err != nil { 53 return 54 } 55 t.Logf("Secret:\n%v %x\n%v %x", len(ss0), ss0, len(ss0), ss1) 56 if !bytes.Equal(ss0, ss1) { 57 t.Errorf("dont match :(") 58 } 59 } 60 61 func TestEncHandshake(t *testing.T) { 62 for i := 0; i < 10; i++ { 63 start := time.Now() 64 if err := testEncHandshake(nil); err != nil { 65 t.Fatalf("i=%d %v", i, err) 66 } 67 t.Logf("(without token) %d %v\n", i+1, time.Since(start)) 68 } 69 for i := 0; i < 10; i++ { 70 tok := make([]byte, shaLen) 71 rand.Reader.Read(tok) 72 start := time.Now() 73 if err := testEncHandshake(tok); err != nil { 74 t.Fatalf("i=%d %v", i, err) 75 } 76 t.Logf("(with token) %d %v\n", i+1, time.Since(start)) 77 } 78 } 79 80 func testEncHandshake(token []byte) error { 81 type result struct { 82 side string 83 id discover.NodeID 84 err error 85 } 86 var ( 87 prv0, _ = crypto.GenerateKey() 88 prv1, _ = crypto.GenerateKey() 89 fd0, fd1 = net.Pipe() 90 c0, c1 = newRLPX(fd0).(*rlpx), newRLPX(fd1).(*rlpx) 91 output = make(chan result) 92 ) 93 94 go func() { 95 r := result{side: "initiator"} 96 defer func() { output <- r }() 97 defer fd0.Close() 98 99 dest := &discover.Node{ID: discover.PubkeyID(&prv1.PublicKey)} 100 r.id, r.err = c0.doEncHandshake(prv0, dest) 101 if r.err != nil { 102 return 103 } 104 id1 := discover.PubkeyID(&prv1.PublicKey) 105 if r.id != id1 { 106 r.err = fmt.Errorf("remote ID mismatch: got %v, want: %v", r.id, id1) 107 } 108 }() 109 go func() { 110 r := result{side: "receiver"} 111 defer func() { output <- r }() 112 defer fd1.Close() 113 114 r.id, r.err = c1.doEncHandshake(prv1, nil) 115 if r.err != nil { 116 return 117 } 118 id0 := discover.PubkeyID(&prv0.PublicKey) 119 if r.id != id0 { 120 r.err = fmt.Errorf("remote ID mismatch: got %v, want: %v", r.id, id0) 121 } 122 }() 123 124 // wait for results from both sides 125 r1, r2 := <-output, <-output 126 if r1.err != nil { 127 return fmt.Errorf("%s side error: %v", r1.side, r1.err) 128 } 129 if r2.err != nil { 130 return fmt.Errorf("%s side error: %v", r2.side, r2.err) 131 } 132 133 // compare derived secrets 134 if !reflect.DeepEqual(c0.rw.egressMAC, c1.rw.ingressMAC) { 135 return fmt.Errorf("egress mac mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.egressMAC, c1.rw.ingressMAC) 136 } 137 if !reflect.DeepEqual(c0.rw.ingressMAC, c1.rw.egressMAC) { 138 return fmt.Errorf("ingress mac mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.ingressMAC, c1.rw.egressMAC) 139 } 140 if !reflect.DeepEqual(c0.rw.enc, c1.rw.enc) { 141 return fmt.Errorf("enc cipher mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.enc, c1.rw.enc) 142 } 143 if !reflect.DeepEqual(c0.rw.dec, c1.rw.dec) { 144 return fmt.Errorf("dec cipher mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.dec, c1.rw.dec) 145 } 146 return nil 147 } 148 149 func TestProtocolHandshake(t *testing.T) { 150 var ( 151 prv0, _ = crypto.GenerateKey() 152 node0 = &discover.Node{ID: discover.PubkeyID(&prv0.PublicKey), IP: net.IP{1, 2, 3, 4}, TCP: 33} 153 hs0 = &protoHandshake{Version: 3, ID: node0.ID, Caps: []Cap{{"a", 0}, {"b", 2}}} 154 155 prv1, _ = crypto.GenerateKey() 156 node1 = &discover.Node{ID: discover.PubkeyID(&prv1.PublicKey), IP: net.IP{5, 6, 7, 8}, TCP: 44} 157 hs1 = &protoHandshake{Version: 3, ID: node1.ID, Caps: []Cap{{"c", 1}, {"d", 3}}} 158 159 wg sync.WaitGroup 160 ) 161 162 fd0, fd1, err := tcpPipe() 163 if err != nil { 164 t.Fatal(err) 165 } 166 167 wg.Add(2) 168 go func() { 169 defer wg.Done() 170 defer fd0.Close() 171 rlpx := newRLPX(fd0) 172 remid, err := rlpx.doEncHandshake(prv0, node1) 173 if err != nil { 174 t.Errorf("dial side enc handshake failed: %v", err) 175 return 176 } 177 if remid != node1.ID { 178 t.Errorf("dial side remote id mismatch: got %v, want %v", remid, node1.ID) 179 return 180 } 181 182 phs, err := rlpx.doProtoHandshake(hs0) 183 if err != nil { 184 t.Errorf("dial side proto handshake error: %v", err) 185 return 186 } 187 phs.Rest = nil 188 if !reflect.DeepEqual(phs, hs1) { 189 t.Errorf("dial side proto handshake mismatch:\ngot: %s\nwant: %s\n", spew.Sdump(phs), spew.Sdump(hs1)) 190 return 191 } 192 rlpx.close(DiscQuitting) 193 }() 194 go func() { 195 defer wg.Done() 196 defer fd1.Close() 197 rlpx := newRLPX(fd1) 198 remid, err := rlpx.doEncHandshake(prv1, nil) 199 if err != nil { 200 t.Errorf("listen side enc handshake failed: %v", err) 201 return 202 } 203 if remid != node0.ID { 204 t.Errorf("listen side remote id mismatch: got %v, want %v", remid, node0.ID) 205 return 206 } 207 208 phs, err := rlpx.doProtoHandshake(hs1) 209 if err != nil { 210 t.Errorf("listen side proto handshake error: %v", err) 211 return 212 } 213 phs.Rest = nil 214 if !reflect.DeepEqual(phs, hs0) { 215 t.Errorf("listen side proto handshake mismatch:\ngot: %s\nwant: %s\n", spew.Sdump(phs), spew.Sdump(hs0)) 216 return 217 } 218 219 if err := ExpectMsg(rlpx, discMsg, []DiscReason{DiscQuitting}); err != nil { 220 t.Errorf("error receiving disconnect: %v", err) 221 } 222 }() 223 wg.Wait() 224 } 225 226 func TestProtocolHandshakeErrors(t *testing.T) { 227 our := &protoHandshake{Version: 3, Caps: []Cap{{"foo", 2}, {"bar", 3}}, Name: "quux"} 228 tests := []struct { 229 code uint64 230 msg interface{} 231 err error 232 }{ 233 { 234 code: discMsg, 235 msg: []DiscReason{DiscQuitting}, 236 err: DiscQuitting, 237 }, 238 { 239 code: 0x989898, 240 msg: []byte{1}, 241 err: errors.New("expected handshake, got 989898"), 242 }, 243 { 244 code: handshakeMsg, 245 msg: make([]byte, baseProtocolMaxMsgSize+2), 246 err: errors.New("message too big"), 247 }, 248 { 249 code: handshakeMsg, 250 msg: []byte{1, 2, 3}, 251 err: newPeerError(errInvalidMsg, "(code 0) (size 4) rlp: expected input list for p2p.protoHandshake"), 252 }, 253 { 254 code: handshakeMsg, 255 msg: &protoHandshake{Version: 3}, 256 err: DiscInvalidIdentity, 257 }, 258 } 259 260 for i, test := range tests { 261 p1, p2 := MsgPipe() 262 go Send(p1, test.code, test.msg) 263 _, err := readProtocolHandshake(p2, our) 264 if !reflect.DeepEqual(err, test.err) { 265 t.Errorf("test %d: error mismatch: got %q, want %q", i, err, test.err) 266 } 267 } 268 } 269 270 func TestRLPXFrameFake(t *testing.T) { 271 buf := new(bytes.Buffer) 272 hash := fakeHash([]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}) 273 rw := newRLPXFrameRW(buf, secrets{ 274 AES: crypto.Keccak256(), 275 MAC: crypto.Keccak256(), 276 IngressMAC: hash, 277 EgressMAC: hash, 278 }) 279 280 golden := unhex(` 281 00828ddae471818bb0bfa6b551d1cb42 282 01010101010101010101010101010101 283 ba628a4ba590cb43f7848f41c4382885 284 01010101010101010101010101010101 285 `) 286 287 // Check WriteMsg. This puts a message into the buffer. 288 if err := Send(rw, 8, []uint{1, 2, 3, 4}); err != nil { 289 t.Fatalf("WriteMsg error: %v", err) 290 } 291 written := buf.Bytes() 292 if !bytes.Equal(written, golden) { 293 t.Fatalf("output mismatch:\n got: %x\n want: %x", written, golden) 294 } 295 296 // Check ReadMsg. It reads the message encoded by WriteMsg, which 297 // is equivalent to the golden message above. 298 msg, err := rw.ReadMsg() 299 if err != nil { 300 t.Fatalf("ReadMsg error: %v", err) 301 } 302 if msg.Size != 5 { 303 t.Errorf("msg size mismatch: got %d, want %d", msg.Size, 5) 304 } 305 if msg.Code != 8 { 306 t.Errorf("msg code mismatch: got %d, want %d", msg.Code, 8) 307 } 308 payload, _ := ioutil.ReadAll(msg.Payload) 309 wantPayload := unhex("C401020304") 310 if !bytes.Equal(payload, wantPayload) { 311 t.Errorf("msg payload mismatch:\ngot %x\nwant %x", payload, wantPayload) 312 } 313 } 314 315 type fakeHash []byte 316 317 func (fakeHash) Write(p []byte) (int, error) { return len(p), nil } 318 func (fakeHash) Reset() {} 319 func (fakeHash) BlockSize() int { return 0 } 320 321 func (h fakeHash) Size() int { return len(h) } 322 func (h fakeHash) Sum(b []byte) []byte { return append(b, h...) } 323 324 func TestRLPXFrameRW(t *testing.T) { 325 var ( 326 aesSecret = make([]byte, 16) 327 macSecret = make([]byte, 16) 328 egressMACinit = make([]byte, 32) 329 ingressMACinit = make([]byte, 32) 330 ) 331 for _, s := range [][]byte{aesSecret, macSecret, egressMACinit, ingressMACinit} { 332 rand.Read(s) 333 } 334 conn := new(bytes.Buffer) 335 336 s1 := secrets{ 337 AES: aesSecret, 338 MAC: macSecret, 339 EgressMAC: sha3.NewKeccak256(), 340 IngressMAC: sha3.NewKeccak256(), 341 } 342 s1.EgressMAC.Write(egressMACinit) 343 s1.IngressMAC.Write(ingressMACinit) 344 rw1 := newRLPXFrameRW(conn, s1) 345 346 s2 := secrets{ 347 AES: aesSecret, 348 MAC: macSecret, 349 EgressMAC: sha3.NewKeccak256(), 350 IngressMAC: sha3.NewKeccak256(), 351 } 352 s2.EgressMAC.Write(ingressMACinit) 353 s2.IngressMAC.Write(egressMACinit) 354 rw2 := newRLPXFrameRW(conn, s2) 355 356 // send some messages 357 for i := 0; i < 10; i++ { 358 // write message into conn buffer 359 wmsg := []interface{}{"foo", "bar", strings.Repeat("test", i)} 360 err := Send(rw1, uint64(i), wmsg) 361 if err != nil { 362 t.Fatalf("WriteMsg error (i=%d): %v", i, err) 363 } 364 365 // read message that rw1 just wrote 366 msg, err := rw2.ReadMsg() 367 if err != nil { 368 t.Fatalf("ReadMsg error (i=%d): %v", i, err) 369 } 370 if msg.Code != uint64(i) { 371 t.Fatalf("msg code mismatch: got %d, want %d", msg.Code, i) 372 } 373 payload, _ := ioutil.ReadAll(msg.Payload) 374 wantPayload, _ := rlp.EncodeToBytes(wmsg) 375 if !bytes.Equal(payload, wantPayload) { 376 t.Fatalf("msg payload mismatch:\ngot %x\nwant %x", payload, wantPayload) 377 } 378 } 379 } 380 381 type handshakeAuthTest struct { 382 input string 383 isPlain bool 384 wantVersion uint 385 wantRest []rlp.RawValue 386 } 387 388 var eip8HandshakeAuthTests = []handshakeAuthTest{ 389 // (Auth₁) RLPx v4 plain encoding 390 { 391 input: ` 392 048ca79ad18e4b0659fab4853fe5bc58eb83992980f4c9cc147d2aa31532efd29a3d3dc6a3d89eaf 393 913150cfc777ce0ce4af2758bf4810235f6e6ceccfee1acc6b22c005e9e3a49d6448610a58e98744 394 ba3ac0399e82692d67c1f58849050b3024e21a52c9d3b01d871ff5f210817912773e610443a9ef14 395 2e91cdba0bd77b5fdf0769b05671fc35f83d83e4d3b0b000c6b2a1b1bba89e0fc51bf4e460df3105 396 c444f14be226458940d6061c296350937ffd5e3acaceeaaefd3c6f74be8e23e0f45163cc7ebd7622 397 0f0128410fd05250273156d548a414444ae2f7dea4dfca2d43c057adb701a715bf59f6fb66b2d1d2 398 0f2c703f851cbf5ac47396d9ca65b6260bd141ac4d53e2de585a73d1750780db4c9ee4cd4d225173 399 a4592ee77e2bd94d0be3691f3b406f9bba9b591fc63facc016bfa8 400 `, 401 isPlain: true, 402 wantVersion: 4, 403 }, 404 // (Auth₂) EIP-8 encoding 405 { 406 input: ` 407 01b304ab7578555167be8154d5cc456f567d5ba302662433674222360f08d5f1534499d3678b513b 408 0fca474f3a514b18e75683032eb63fccb16c156dc6eb2c0b1593f0d84ac74f6e475f1b8d56116b84 409 9634a8c458705bf83a626ea0384d4d7341aae591fae42ce6bd5c850bfe0b999a694a49bbbaf3ef6c 410 da61110601d3b4c02ab6c30437257a6e0117792631a4b47c1d52fc0f8f89caadeb7d02770bf999cc 411 147d2df3b62e1ffb2c9d8c125a3984865356266bca11ce7d3a688663a51d82defaa8aad69da39ab6 412 d5470e81ec5f2a7a47fb865ff7cca21516f9299a07b1bc63ba56c7a1a892112841ca44b6e0034dee 413 70c9adabc15d76a54f443593fafdc3b27af8059703f88928e199cb122362a4b35f62386da7caad09 414 c001edaeb5f8a06d2b26fb6cb93c52a9fca51853b68193916982358fe1e5369e249875bb8d0d0ec3 415 6f917bc5e1eafd5896d46bd61ff23f1a863a8a8dcd54c7b109b771c8e61ec9c8908c733c0263440e 416 2aa067241aaa433f0bb053c7b31a838504b148f570c0ad62837129e547678c5190341e4f1693956c 417 3bf7678318e2d5b5340c9e488eefea198576344afbdf66db5f51204a6961a63ce072c8926c 418 `, 419 wantVersion: 4, 420 wantRest: []rlp.RawValue{}, 421 }, 422 // (Auth₃) RLPx v4 EIP-8 encoding with version 56, additional list elements 423 { 424 input: ` 425 01b8044c6c312173685d1edd268aa95e1d495474c6959bcdd10067ba4c9013df9e40ff45f5bfd6f7 426 2471f93a91b493f8e00abc4b80f682973de715d77ba3a005a242eb859f9a211d93a347fa64b597bf 427 280a6b88e26299cf263b01b8dfdb712278464fd1c25840b995e84d367d743f66c0e54a586725b7bb 428 f12acca27170ae3283c1073adda4b6d79f27656993aefccf16e0d0409fe07db2dc398a1b7e8ee93b 429 cd181485fd332f381d6a050fba4c7641a5112ac1b0b61168d20f01b479e19adf7fdbfa0905f63352 430 bfc7e23cf3357657455119d879c78d3cf8c8c06375f3f7d4861aa02a122467e069acaf513025ff19 431 6641f6d2810ce493f51bee9c966b15c5043505350392b57645385a18c78f14669cc4d960446c1757 432 1b7c5d725021babbcd786957f3d17089c084907bda22c2b2675b4378b114c601d858802a55345a15 433 116bc61da4193996187ed70d16730e9ae6b3bb8787ebcaea1871d850997ddc08b4f4ea668fbf3740 434 7ac044b55be0908ecb94d4ed172ece66fd31bfdadf2b97a8bc690163ee11f5b575a4b44e36e2bfb2 435 f0fce91676fd64c7773bac6a003f481fddd0bae0a1f31aa27504e2a533af4cef3b623f4791b2cca6 436 d490 437 `, 438 wantVersion: 56, 439 wantRest: []rlp.RawValue{{0x01}, {0x02}, {0xC2, 0x04, 0x05}}, 440 }, 441 } 442 443 type handshakeAckTest struct { 444 input string 445 wantVersion uint 446 wantRest []rlp.RawValue 447 } 448 449 var eip8HandshakeRespTests = []handshakeAckTest{ 450 // (Ack₁) RLPx v4 plain encoding 451 { 452 input: ` 453 049f8abcfa9c0dc65b982e98af921bc0ba6e4243169348a236abe9df5f93aa69d99cadddaa387662 454 b0ff2c08e9006d5a11a278b1b3331e5aaabf0a32f01281b6f4ede0e09a2d5f585b26513cb794d963 455 5a57563921c04a9090b4f14ee42be1a5461049af4ea7a7f49bf4c97a352d39c8d02ee4acc416388c 456 1c66cec761d2bc1c72da6ba143477f049c9d2dde846c252c111b904f630ac98e51609b3b1f58168d 457 dca6505b7196532e5f85b259a20c45e1979491683fee108e9660edbf38f3add489ae73e3dda2c71b 458 d1497113d5c755e942d1 459 `, 460 wantVersion: 4, 461 }, 462 // (Ack₂) EIP-8 encoding 463 { 464 input: ` 465 01ea0451958701280a56482929d3b0757da8f7fbe5286784beead59d95089c217c9b917788989470 466 b0e330cc6e4fb383c0340ed85fab836ec9fb8a49672712aeabbdfd1e837c1ff4cace34311cd7f4de 467 05d59279e3524ab26ef753a0095637ac88f2b499b9914b5f64e143eae548a1066e14cd2f4bd7f814 468 c4652f11b254f8a2d0191e2f5546fae6055694aed14d906df79ad3b407d94692694e259191cde171 469 ad542fc588fa2b7333313d82a9f887332f1dfc36cea03f831cb9a23fea05b33deb999e85489e645f 470 6aab1872475d488d7bd6c7c120caf28dbfc5d6833888155ed69d34dbdc39c1f299be1057810f34fb 471 e754d021bfca14dc989753d61c413d261934e1a9c67ee060a25eefb54e81a4d14baff922180c395d 472 3f998d70f46f6b58306f969627ae364497e73fc27f6d17ae45a413d322cb8814276be6ddd13b885b 473 201b943213656cde498fa0e9ddc8e0b8f8a53824fbd82254f3e2c17e8eaea009c38b4aa0a3f306e8 474 797db43c25d68e86f262e564086f59a2fc60511c42abfb3057c247a8a8fe4fb3ccbadde17514b7ac 475 8000cdb6a912778426260c47f38919a91f25f4b5ffb455d6aaaf150f7e5529c100ce62d6d92826a7 476 1778d809bdf60232ae21ce8a437eca8223f45ac37f6487452ce626f549b3b5fdee26afd2072e4bc7 477 5833c2464c805246155289f4 478 `, 479 wantVersion: 4, 480 wantRest: []rlp.RawValue{}, 481 }, 482 // (Ack₃) EIP-8 encoding with version 57, additional list elements 483 { 484 input: ` 485 01f004076e58aae772bb101ab1a8e64e01ee96e64857ce82b1113817c6cdd52c09d26f7b90981cd7 486 ae835aeac72e1573b8a0225dd56d157a010846d888dac7464baf53f2ad4e3d584531fa203658fab0 487 3a06c9fd5e35737e417bc28c1cbf5e5dfc666de7090f69c3b29754725f84f75382891c561040ea1d 488 dc0d8f381ed1b9d0d4ad2a0ec021421d847820d6fa0ba66eaf58175f1b235e851c7e2124069fbc20 489 2888ddb3ac4d56bcbd1b9b7eab59e78f2e2d400905050f4a92dec1c4bdf797b3fc9b2f8e84a482f3 490 d800386186712dae00d5c386ec9387a5e9c9a1aca5a573ca91082c7d68421f388e79127a5177d4f8 491 590237364fd348c9611fa39f78dcdceee3f390f07991b7b47e1daa3ebcb6ccc9607811cb17ce51f1 492 c8c2c5098dbdd28fca547b3f58c01a424ac05f869f49c6a34672ea2cbbc558428aa1fe48bbfd6115 493 8b1b735a65d99f21e70dbc020bfdface9f724a0d1fb5895db971cc81aa7608baa0920abb0a565c9c 494 436e2fd13323428296c86385f2384e408a31e104670df0791d93e743a3a5194ee6b076fb6323ca59 495 3011b7348c16cf58f66b9633906ba54a2ee803187344b394f75dd2e663a57b956cb830dd7a908d4f 496 39a2336a61ef9fda549180d4ccde21514d117b6c6fd07a9102b5efe710a32af4eeacae2cb3b1dec0 497 35b9593b48b9d3ca4c13d245d5f04169b0b1 498 `, 499 wantVersion: 57, 500 wantRest: []rlp.RawValue{{0x06}, {0xC2, 0x07, 0x08}, {0x81, 0xFA}}, 501 }, 502 } 503 504 func TestHandshakeForwardCompatibility(t *testing.T) { 505 var ( 506 keyA, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee") 507 keyB, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") 508 pubA = crypto.FromECDSAPub(&keyA.PublicKey)[1:] 509 pubB = crypto.FromECDSAPub(&keyB.PublicKey)[1:] 510 ephA, _ = crypto.HexToECDSA("869d6ecf5211f1cc60418a13b9d870b22959d0c16f02bec714c960dd2298a32d") 511 ephB, _ = crypto.HexToECDSA("e238eb8e04fee6511ab04c6dd3c89ce097b11f25d584863ac2b6d5b35b1847e4") 512 ephPubA = crypto.FromECDSAPub(&ephA.PublicKey)[1:] 513 ephPubB = crypto.FromECDSAPub(&ephB.PublicKey)[1:] 514 nonceA = unhex("7e968bba13b6c50e2c4cd7f241cc0d64d1ac25c7f5952df231ac6a2bda8ee5d6") 515 nonceB = unhex("559aead08264d5795d3909718cdd05abd49572e84fe55590eef31a88a08fdffd") 516 _, _, _, _ = pubA, pubB, ephPubA, ephPubB 517 authSignature = unhex("299ca6acfd35e3d72d8ba3d1e2b60b5561d5af5218eb5bc182045769eb4226910a301acae3b369fffc4a4899d6b02531e89fd4fe36a2cf0d93607ba470b50f7800") 518 _ = authSignature 519 ) 520 makeAuth := func(test handshakeAuthTest) *authMsgV4 { 521 msg := &authMsgV4{Version: test.wantVersion, Rest: test.wantRest, gotPlain: test.isPlain} 522 copy(msg.Signature[:], authSignature) 523 copy(msg.InitiatorPubkey[:], pubA) 524 copy(msg.Nonce[:], nonceA) 525 return msg 526 } 527 makeAck := func(test handshakeAckTest) *authRespV4 { 528 msg := &authRespV4{Version: test.wantVersion, Rest: test.wantRest} 529 copy(msg.RandomPubkey[:], ephPubB) 530 copy(msg.Nonce[:], nonceB) 531 return msg 532 } 533 534 // check auth msg parsing 535 for _, test := range eip8HandshakeAuthTests { 536 r := bytes.NewReader(unhex(test.input)) 537 msg := new(authMsgV4) 538 ciphertext, err := readHandshakeMsg(msg, encAuthMsgLen, keyB, r) 539 if err != nil { 540 t.Errorf("error for input %x:\n %v", unhex(test.input), err) 541 continue 542 } 543 if !bytes.Equal(ciphertext, unhex(test.input)) { 544 t.Errorf("wrong ciphertext for input %x:\n %x", unhex(test.input), ciphertext) 545 } 546 want := makeAuth(test) 547 if !reflect.DeepEqual(msg, want) { 548 t.Errorf("wrong msg for input %x:\ngot %s\nwant %s", unhex(test.input), spew.Sdump(msg), spew.Sdump(want)) 549 } 550 } 551 552 // check auth resp parsing 553 for _, test := range eip8HandshakeRespTests { 554 input := unhex(test.input) 555 r := bytes.NewReader(input) 556 msg := new(authRespV4) 557 ciphertext, err := readHandshakeMsg(msg, encAuthRespLen, keyA, r) 558 if err != nil { 559 t.Errorf("error for input %x:\n %v", input, err) 560 continue 561 } 562 if !bytes.Equal(ciphertext, input) { 563 t.Errorf("wrong ciphertext for input %x:\n %x", input, err) 564 } 565 want := makeAck(test) 566 if !reflect.DeepEqual(msg, want) { 567 t.Errorf("wrong msg for input %x:\ngot %s\nwant %s", input, spew.Sdump(msg), spew.Sdump(want)) 568 } 569 } 570 571 // check derivation for (Auth₂, Ack₂) on recipient side 572 var ( 573 hs = &encHandshake{ 574 initiator: false, 575 respNonce: nonceB, 576 randomPrivKey: ecies.ImportECDSA(ephB), 577 } 578 authCiphertext = unhex(eip8HandshakeAuthTests[1].input) 579 authRespCiphertext = unhex(eip8HandshakeRespTests[1].input) 580 authMsg = makeAuth(eip8HandshakeAuthTests[1]) 581 wantAES = unhex("80e8632c05fed6fc2a13b0f8d31a3cf645366239170ea067065aba8e28bac487") 582 wantMAC = unhex("2ea74ec5dae199227dff1af715362700e989d889d7a493cb0639691efb8e5f98") 583 wantFooIngressHash = unhex("0c7ec6340062cc46f5e9f1e3cf86f8c8c403c5a0964f5df0ebd34a75ddc86db5") 584 ) 585 if err := hs.handleAuthMsg(authMsg, keyB); err != nil { 586 t.Fatalf("handleAuthMsg: %v", err) 587 } 588 derived, err := hs.secrets(authCiphertext, authRespCiphertext) 589 if err != nil { 590 t.Fatalf("secrets: %v", err) 591 } 592 if !bytes.Equal(derived.AES, wantAES) { 593 t.Errorf("aes-secret mismatch:\ngot %x\nwant %x", derived.AES, wantAES) 594 } 595 if !bytes.Equal(derived.MAC, wantMAC) { 596 t.Errorf("mac-secret mismatch:\ngot %x\nwant %x", derived.MAC, wantMAC) 597 } 598 io.WriteString(derived.IngressMAC, "foo") 599 fooIngressHash := derived.IngressMAC.Sum(nil) 600 if !bytes.Equal(fooIngressHash, wantFooIngressHash) { 601 t.Errorf("ingress-mac('foo') mismatch:\ngot %x\nwant %x", fooIngressHash, wantFooIngressHash) 602 } 603 } 604 605 // tcpPipe creates an in process full duplex pipe based on a localhost TCP socket 606 func tcpPipe() (net.Conn, net.Conn, error) { 607 l, err := net.Listen("tcp", "127.0.0.1:0") 608 if err != nil { 609 return nil, nil, err 610 } 611 defer l.Close() 612 613 var aconn net.Conn 614 aerr := make(chan error, 1) 615 go func() { 616 var err error 617 aconn, err = l.Accept() 618 aerr <- err 619 }() 620 621 dconn, err := net.Dial("tcp", l.Addr().String()) 622 if err != nil { 623 <-aerr 624 return nil, nil, err 625 } 626 if err := <-aerr; err != nil { 627 dconn.Close() 628 return nil, nil, err 629 } 630 return aconn, dconn, nil 631 }