github.com/xxRanger/go-ethereum@v1.8.23/p2p/rlpx_test.go (about) 1 // Copyright 2015 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package p2p 18 19 import ( 20 "bytes" 21 "crypto/ecdsa" 22 "crypto/rand" 23 "errors" 24 "fmt" 25 "io" 26 "io/ioutil" 27 "net" 28 "reflect" 29 "strings" 30 "sync" 31 "testing" 32 "time" 33 34 "github.com/davecgh/go-spew/spew" 35 "github.com/ethereum/go-ethereum/crypto" 36 "github.com/ethereum/go-ethereum/crypto/ecies" 37 "github.com/ethereum/go-ethereum/p2p/simulations/pipes" 38 "github.com/ethereum/go-ethereum/rlp" 39 "golang.org/x/crypto/sha3" 40 ) 41 42 func TestSharedSecret(t *testing.T) { 43 prv0, _ := crypto.GenerateKey() // = ecdsa.GenerateKey(crypto.S256(), rand.Reader) 44 pub0 := &prv0.PublicKey 45 prv1, _ := crypto.GenerateKey() 46 pub1 := &prv1.PublicKey 47 48 ss0, err := ecies.ImportECDSA(prv0).GenerateShared(ecies.ImportECDSAPublic(pub1), sskLen, sskLen) 49 if err != nil { 50 return 51 } 52 ss1, err := ecies.ImportECDSA(prv1).GenerateShared(ecies.ImportECDSAPublic(pub0), sskLen, sskLen) 53 if err != nil { 54 return 55 } 56 t.Logf("Secret:\n%v %x\n%v %x", len(ss0), ss0, len(ss0), ss1) 57 if !bytes.Equal(ss0, ss1) { 58 t.Errorf("dont match :(") 59 } 60 } 61 62 func TestEncHandshake(t *testing.T) { 63 for i := 0; i < 10; i++ { 64 start := time.Now() 65 if err := testEncHandshake(nil); err != nil { 66 t.Fatalf("i=%d %v", i, err) 67 } 68 t.Logf("(without token) %d %v\n", i+1, time.Since(start)) 69 } 70 for i := 0; i < 10; i++ { 71 tok := make([]byte, shaLen) 72 rand.Reader.Read(tok) 73 start := time.Now() 74 if err := testEncHandshake(tok); err != nil { 75 t.Fatalf("i=%d %v", i, err) 76 } 77 t.Logf("(with token) %d %v\n", i+1, time.Since(start)) 78 } 79 } 80 81 func testEncHandshake(token []byte) error { 82 type result struct { 83 side string 84 pubkey *ecdsa.PublicKey 85 err error 86 } 87 var ( 88 prv0, _ = crypto.GenerateKey() 89 prv1, _ = crypto.GenerateKey() 90 fd0, fd1 = net.Pipe() 91 c0, c1 = newRLPX(fd0).(*rlpx), newRLPX(fd1).(*rlpx) 92 output = make(chan result) 93 ) 94 95 go func() { 96 r := result{side: "initiator"} 97 defer func() { output <- r }() 98 defer fd0.Close() 99 100 r.pubkey, r.err = c0.doEncHandshake(prv0, &prv1.PublicKey) 101 if r.err != nil { 102 return 103 } 104 if !reflect.DeepEqual(r.pubkey, &prv1.PublicKey) { 105 r.err = fmt.Errorf("remote pubkey mismatch: got %v, want: %v", r.pubkey, &prv1.PublicKey) 106 } 107 }() 108 go func() { 109 r := result{side: "receiver"} 110 defer func() { output <- r }() 111 defer fd1.Close() 112 113 r.pubkey, r.err = c1.doEncHandshake(prv1, nil) 114 if r.err != nil { 115 return 116 } 117 if !reflect.DeepEqual(r.pubkey, &prv0.PublicKey) { 118 r.err = fmt.Errorf("remote ID mismatch: got %v, want: %v", r.pubkey, &prv0.PublicKey) 119 } 120 }() 121 122 // wait for results from both sides 123 r1, r2 := <-output, <-output 124 if r1.err != nil { 125 return fmt.Errorf("%s side error: %v", r1.side, r1.err) 126 } 127 if r2.err != nil { 128 return fmt.Errorf("%s side error: %v", r2.side, r2.err) 129 } 130 131 // compare derived secrets 132 if !reflect.DeepEqual(c0.rw.egressMAC, c1.rw.ingressMAC) { 133 return fmt.Errorf("egress mac mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.egressMAC, c1.rw.ingressMAC) 134 } 135 if !reflect.DeepEqual(c0.rw.ingressMAC, c1.rw.egressMAC) { 136 return fmt.Errorf("ingress mac mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.ingressMAC, c1.rw.egressMAC) 137 } 138 if !reflect.DeepEqual(c0.rw.enc, c1.rw.enc) { 139 return fmt.Errorf("enc cipher mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.enc, c1.rw.enc) 140 } 141 if !reflect.DeepEqual(c0.rw.dec, c1.rw.dec) { 142 return fmt.Errorf("dec cipher mismatch:\n c0.rw: %#v\n c1.rw: %#v", c0.rw.dec, c1.rw.dec) 143 } 144 return nil 145 } 146 147 func TestProtocolHandshake(t *testing.T) { 148 var ( 149 prv0, _ = crypto.GenerateKey() 150 pub0 = crypto.FromECDSAPub(&prv0.PublicKey)[1:] 151 hs0 = &protoHandshake{Version: 3, ID: pub0, Caps: []Cap{{"a", 0}, {"b", 2}}} 152 153 prv1, _ = crypto.GenerateKey() 154 pub1 = crypto.FromECDSAPub(&prv1.PublicKey)[1:] 155 hs1 = &protoHandshake{Version: 3, ID: pub1, Caps: []Cap{{"c", 1}, {"d", 3}}} 156 157 wg sync.WaitGroup 158 ) 159 160 fd0, fd1, err := pipes.TCPPipe() 161 if err != nil { 162 t.Fatal(err) 163 } 164 165 wg.Add(2) 166 go func() { 167 defer wg.Done() 168 defer fd0.Close() 169 rlpx := newRLPX(fd0) 170 rpubkey, err := rlpx.doEncHandshake(prv0, &prv1.PublicKey) 171 if err != nil { 172 t.Errorf("dial side enc handshake failed: %v", err) 173 return 174 } 175 if !reflect.DeepEqual(rpubkey, &prv1.PublicKey) { 176 t.Errorf("dial side remote pubkey mismatch: got %v, want %v", rpubkey, &prv1.PublicKey) 177 return 178 } 179 180 phs, err := rlpx.doProtoHandshake(hs0) 181 if err != nil { 182 t.Errorf("dial side proto handshake error: %v", err) 183 return 184 } 185 phs.Rest = nil 186 if !reflect.DeepEqual(phs, hs1) { 187 t.Errorf("dial side proto handshake mismatch:\ngot: %s\nwant: %s\n", spew.Sdump(phs), spew.Sdump(hs1)) 188 return 189 } 190 rlpx.close(DiscQuitting) 191 }() 192 go func() { 193 defer wg.Done() 194 defer fd1.Close() 195 rlpx := newRLPX(fd1) 196 rpubkey, err := rlpx.doEncHandshake(prv1, nil) 197 if err != nil { 198 t.Errorf("listen side enc handshake failed: %v", err) 199 return 200 } 201 if !reflect.DeepEqual(rpubkey, &prv0.PublicKey) { 202 t.Errorf("listen side remote pubkey mismatch: got %v, want %v", rpubkey, &prv0.PublicKey) 203 return 204 } 205 206 phs, err := rlpx.doProtoHandshake(hs1) 207 if err != nil { 208 t.Errorf("listen side proto handshake error: %v", err) 209 return 210 } 211 phs.Rest = nil 212 if !reflect.DeepEqual(phs, hs0) { 213 t.Errorf("listen side proto handshake mismatch:\ngot: %s\nwant: %s\n", spew.Sdump(phs), spew.Sdump(hs0)) 214 return 215 } 216 217 if err := ExpectMsg(rlpx, discMsg, []DiscReason{DiscQuitting}); err != nil { 218 t.Errorf("error receiving disconnect: %v", err) 219 } 220 }() 221 wg.Wait() 222 } 223 224 func TestProtocolHandshakeErrors(t *testing.T) { 225 our := &protoHandshake{Version: 3, Caps: []Cap{{"foo", 2}, {"bar", 3}}, Name: "quux"} 226 tests := []struct { 227 code uint64 228 msg interface{} 229 err error 230 }{ 231 { 232 code: discMsg, 233 msg: []DiscReason{DiscQuitting}, 234 err: DiscQuitting, 235 }, 236 { 237 code: 0x989898, 238 msg: []byte{1}, 239 err: errors.New("expected handshake, got 989898"), 240 }, 241 { 242 code: handshakeMsg, 243 msg: make([]byte, baseProtocolMaxMsgSize+2), 244 err: errors.New("message too big"), 245 }, 246 { 247 code: handshakeMsg, 248 msg: []byte{1, 2, 3}, 249 err: newPeerError(errInvalidMsg, "(code 0) (size 4) rlp: expected input list for p2p.protoHandshake"), 250 }, 251 { 252 code: handshakeMsg, 253 msg: &protoHandshake{Version: 3}, 254 err: DiscInvalidIdentity, 255 }, 256 } 257 258 for i, test := range tests { 259 p1, p2 := MsgPipe() 260 go Send(p1, test.code, test.msg) 261 _, err := readProtocolHandshake(p2, our) 262 if !reflect.DeepEqual(err, test.err) { 263 t.Errorf("test %d: error mismatch: got %q, want %q", i, err, test.err) 264 } 265 } 266 } 267 268 func TestRLPXFrameFake(t *testing.T) { 269 buf := new(bytes.Buffer) 270 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}) 271 rw := newRLPXFrameRW(buf, secrets{ 272 AES: crypto.Keccak256(), 273 MAC: crypto.Keccak256(), 274 IngressMAC: hash, 275 EgressMAC: hash, 276 }) 277 278 golden := unhex(` 279 00828ddae471818bb0bfa6b551d1cb42 280 01010101010101010101010101010101 281 ba628a4ba590cb43f7848f41c4382885 282 01010101010101010101010101010101 283 `) 284 285 // Check WriteMsg. This puts a message into the buffer. 286 if err := Send(rw, 8, []uint{1, 2, 3, 4}); err != nil { 287 t.Fatalf("WriteMsg error: %v", err) 288 } 289 written := buf.Bytes() 290 if !bytes.Equal(written, golden) { 291 t.Fatalf("output mismatch:\n got: %x\n want: %x", written, golden) 292 } 293 294 // Check ReadMsg. It reads the message encoded by WriteMsg, which 295 // is equivalent to the golden message above. 296 msg, err := rw.ReadMsg() 297 if err != nil { 298 t.Fatalf("ReadMsg error: %v", err) 299 } 300 if msg.Size != 5 { 301 t.Errorf("msg size mismatch: got %d, want %d", msg.Size, 5) 302 } 303 if msg.Code != 8 { 304 t.Errorf("msg code mismatch: got %d, want %d", msg.Code, 8) 305 } 306 payload, _ := ioutil.ReadAll(msg.Payload) 307 wantPayload := unhex("C401020304") 308 if !bytes.Equal(payload, wantPayload) { 309 t.Errorf("msg payload mismatch:\ngot %x\nwant %x", payload, wantPayload) 310 } 311 } 312 313 type fakeHash []byte 314 315 func (fakeHash) Write(p []byte) (int, error) { return len(p), nil } 316 func (fakeHash) Reset() {} 317 func (fakeHash) BlockSize() int { return 0 } 318 319 func (h fakeHash) Size() int { return len(h) } 320 func (h fakeHash) Sum(b []byte) []byte { return append(b, h...) } 321 322 func TestRLPXFrameRW(t *testing.T) { 323 var ( 324 aesSecret = make([]byte, 16) 325 macSecret = make([]byte, 16) 326 egressMACinit = make([]byte, 32) 327 ingressMACinit = make([]byte, 32) 328 ) 329 for _, s := range [][]byte{aesSecret, macSecret, egressMACinit, ingressMACinit} { 330 rand.Read(s) 331 } 332 conn := new(bytes.Buffer) 333 334 s1 := secrets{ 335 AES: aesSecret, 336 MAC: macSecret, 337 EgressMAC: sha3.NewLegacyKeccak256(), 338 IngressMAC: sha3.NewLegacyKeccak256(), 339 } 340 s1.EgressMAC.Write(egressMACinit) 341 s1.IngressMAC.Write(ingressMACinit) 342 rw1 := newRLPXFrameRW(conn, s1) 343 344 s2 := secrets{ 345 AES: aesSecret, 346 MAC: macSecret, 347 EgressMAC: sha3.NewLegacyKeccak256(), 348 IngressMAC: sha3.NewLegacyKeccak256(), 349 } 350 s2.EgressMAC.Write(ingressMACinit) 351 s2.IngressMAC.Write(egressMACinit) 352 rw2 := newRLPXFrameRW(conn, s2) 353 354 // send some messages 355 for i := 0; i < 10; i++ { 356 // write message into conn buffer 357 wmsg := []interface{}{"foo", "bar", strings.Repeat("test", i)} 358 err := Send(rw1, uint64(i), wmsg) 359 if err != nil { 360 t.Fatalf("WriteMsg error (i=%d): %v", i, err) 361 } 362 363 // read message that rw1 just wrote 364 msg, err := rw2.ReadMsg() 365 if err != nil { 366 t.Fatalf("ReadMsg error (i=%d): %v", i, err) 367 } 368 if msg.Code != uint64(i) { 369 t.Fatalf("msg code mismatch: got %d, want %d", msg.Code, i) 370 } 371 payload, _ := ioutil.ReadAll(msg.Payload) 372 wantPayload, _ := rlp.EncodeToBytes(wmsg) 373 if !bytes.Equal(payload, wantPayload) { 374 t.Fatalf("msg payload mismatch:\ngot %x\nwant %x", payload, wantPayload) 375 } 376 } 377 } 378 379 type handshakeAuthTest struct { 380 input string 381 isPlain bool 382 wantVersion uint 383 wantRest []rlp.RawValue 384 } 385 386 var eip8HandshakeAuthTests = []handshakeAuthTest{ 387 // (Auth₁) RLPx v4 plain encoding 388 { 389 input: ` 390 048ca79ad18e4b0659fab4853fe5bc58eb83992980f4c9cc147d2aa31532efd29a3d3dc6a3d89eaf 391 913150cfc777ce0ce4af2758bf4810235f6e6ceccfee1acc6b22c005e9e3a49d6448610a58e98744 392 ba3ac0399e82692d67c1f58849050b3024e21a52c9d3b01d871ff5f210817912773e610443a9ef14 393 2e91cdba0bd77b5fdf0769b05671fc35f83d83e4d3b0b000c6b2a1b1bba89e0fc51bf4e460df3105 394 c444f14be226458940d6061c296350937ffd5e3acaceeaaefd3c6f74be8e23e0f45163cc7ebd7622 395 0f0128410fd05250273156d548a414444ae2f7dea4dfca2d43c057adb701a715bf59f6fb66b2d1d2 396 0f2c703f851cbf5ac47396d9ca65b6260bd141ac4d53e2de585a73d1750780db4c9ee4cd4d225173 397 a4592ee77e2bd94d0be3691f3b406f9bba9b591fc63facc016bfa8 398 `, 399 isPlain: true, 400 wantVersion: 4, 401 }, 402 // (Auth₂) EIP-8 encoding 403 { 404 input: ` 405 01b304ab7578555167be8154d5cc456f567d5ba302662433674222360f08d5f1534499d3678b513b 406 0fca474f3a514b18e75683032eb63fccb16c156dc6eb2c0b1593f0d84ac74f6e475f1b8d56116b84 407 9634a8c458705bf83a626ea0384d4d7341aae591fae42ce6bd5c850bfe0b999a694a49bbbaf3ef6c 408 da61110601d3b4c02ab6c30437257a6e0117792631a4b47c1d52fc0f8f89caadeb7d02770bf999cc 409 147d2df3b62e1ffb2c9d8c125a3984865356266bca11ce7d3a688663a51d82defaa8aad69da39ab6 410 d5470e81ec5f2a7a47fb865ff7cca21516f9299a07b1bc63ba56c7a1a892112841ca44b6e0034dee 411 70c9adabc15d76a54f443593fafdc3b27af8059703f88928e199cb122362a4b35f62386da7caad09 412 c001edaeb5f8a06d2b26fb6cb93c52a9fca51853b68193916982358fe1e5369e249875bb8d0d0ec3 413 6f917bc5e1eafd5896d46bd61ff23f1a863a8a8dcd54c7b109b771c8e61ec9c8908c733c0263440e 414 2aa067241aaa433f0bb053c7b31a838504b148f570c0ad62837129e547678c5190341e4f1693956c 415 3bf7678318e2d5b5340c9e488eefea198576344afbdf66db5f51204a6961a63ce072c8926c 416 `, 417 wantVersion: 4, 418 wantRest: []rlp.RawValue{}, 419 }, 420 // (Auth₃) RLPx v4 EIP-8 encoding with version 56, additional list elements 421 { 422 input: ` 423 01b8044c6c312173685d1edd268aa95e1d495474c6959bcdd10067ba4c9013df9e40ff45f5bfd6f7 424 2471f93a91b493f8e00abc4b80f682973de715d77ba3a005a242eb859f9a211d93a347fa64b597bf 425 280a6b88e26299cf263b01b8dfdb712278464fd1c25840b995e84d367d743f66c0e54a586725b7bb 426 f12acca27170ae3283c1073adda4b6d79f27656993aefccf16e0d0409fe07db2dc398a1b7e8ee93b 427 cd181485fd332f381d6a050fba4c7641a5112ac1b0b61168d20f01b479e19adf7fdbfa0905f63352 428 bfc7e23cf3357657455119d879c78d3cf8c8c06375f3f7d4861aa02a122467e069acaf513025ff19 429 6641f6d2810ce493f51bee9c966b15c5043505350392b57645385a18c78f14669cc4d960446c1757 430 1b7c5d725021babbcd786957f3d17089c084907bda22c2b2675b4378b114c601d858802a55345a15 431 116bc61da4193996187ed70d16730e9ae6b3bb8787ebcaea1871d850997ddc08b4f4ea668fbf3740 432 7ac044b55be0908ecb94d4ed172ece66fd31bfdadf2b97a8bc690163ee11f5b575a4b44e36e2bfb2 433 f0fce91676fd64c7773bac6a003f481fddd0bae0a1f31aa27504e2a533af4cef3b623f4791b2cca6 434 d490 435 `, 436 wantVersion: 56, 437 wantRest: []rlp.RawValue{{0x01}, {0x02}, {0xC2, 0x04, 0x05}}, 438 }, 439 } 440 441 type handshakeAckTest struct { 442 input string 443 wantVersion uint 444 wantRest []rlp.RawValue 445 } 446 447 var eip8HandshakeRespTests = []handshakeAckTest{ 448 // (Ack₁) RLPx v4 plain encoding 449 { 450 input: ` 451 049f8abcfa9c0dc65b982e98af921bc0ba6e4243169348a236abe9df5f93aa69d99cadddaa387662 452 b0ff2c08e9006d5a11a278b1b3331e5aaabf0a32f01281b6f4ede0e09a2d5f585b26513cb794d963 453 5a57563921c04a9090b4f14ee42be1a5461049af4ea7a7f49bf4c97a352d39c8d02ee4acc416388c 454 1c66cec761d2bc1c72da6ba143477f049c9d2dde846c252c111b904f630ac98e51609b3b1f58168d 455 dca6505b7196532e5f85b259a20c45e1979491683fee108e9660edbf38f3add489ae73e3dda2c71b 456 d1497113d5c755e942d1 457 `, 458 wantVersion: 4, 459 }, 460 // (Ack₂) EIP-8 encoding 461 { 462 input: ` 463 01ea0451958701280a56482929d3b0757da8f7fbe5286784beead59d95089c217c9b917788989470 464 b0e330cc6e4fb383c0340ed85fab836ec9fb8a49672712aeabbdfd1e837c1ff4cace34311cd7f4de 465 05d59279e3524ab26ef753a0095637ac88f2b499b9914b5f64e143eae548a1066e14cd2f4bd7f814 466 c4652f11b254f8a2d0191e2f5546fae6055694aed14d906df79ad3b407d94692694e259191cde171 467 ad542fc588fa2b7333313d82a9f887332f1dfc36cea03f831cb9a23fea05b33deb999e85489e645f 468 6aab1872475d488d7bd6c7c120caf28dbfc5d6833888155ed69d34dbdc39c1f299be1057810f34fb 469 e754d021bfca14dc989753d61c413d261934e1a9c67ee060a25eefb54e81a4d14baff922180c395d 470 3f998d70f46f6b58306f969627ae364497e73fc27f6d17ae45a413d322cb8814276be6ddd13b885b 471 201b943213656cde498fa0e9ddc8e0b8f8a53824fbd82254f3e2c17e8eaea009c38b4aa0a3f306e8 472 797db43c25d68e86f262e564086f59a2fc60511c42abfb3057c247a8a8fe4fb3ccbadde17514b7ac 473 8000cdb6a912778426260c47f38919a91f25f4b5ffb455d6aaaf150f7e5529c100ce62d6d92826a7 474 1778d809bdf60232ae21ce8a437eca8223f45ac37f6487452ce626f549b3b5fdee26afd2072e4bc7 475 5833c2464c805246155289f4 476 `, 477 wantVersion: 4, 478 wantRest: []rlp.RawValue{}, 479 }, 480 // (Ack₃) EIP-8 encoding with version 57, additional list elements 481 { 482 input: ` 483 01f004076e58aae772bb101ab1a8e64e01ee96e64857ce82b1113817c6cdd52c09d26f7b90981cd7 484 ae835aeac72e1573b8a0225dd56d157a010846d888dac7464baf53f2ad4e3d584531fa203658fab0 485 3a06c9fd5e35737e417bc28c1cbf5e5dfc666de7090f69c3b29754725f84f75382891c561040ea1d 486 dc0d8f381ed1b9d0d4ad2a0ec021421d847820d6fa0ba66eaf58175f1b235e851c7e2124069fbc20 487 2888ddb3ac4d56bcbd1b9b7eab59e78f2e2d400905050f4a92dec1c4bdf797b3fc9b2f8e84a482f3 488 d800386186712dae00d5c386ec9387a5e9c9a1aca5a573ca91082c7d68421f388e79127a5177d4f8 489 590237364fd348c9611fa39f78dcdceee3f390f07991b7b47e1daa3ebcb6ccc9607811cb17ce51f1 490 c8c2c5098dbdd28fca547b3f58c01a424ac05f869f49c6a34672ea2cbbc558428aa1fe48bbfd6115 491 8b1b735a65d99f21e70dbc020bfdface9f724a0d1fb5895db971cc81aa7608baa0920abb0a565c9c 492 436e2fd13323428296c86385f2384e408a31e104670df0791d93e743a3a5194ee6b076fb6323ca59 493 3011b7348c16cf58f66b9633906ba54a2ee803187344b394f75dd2e663a57b956cb830dd7a908d4f 494 39a2336a61ef9fda549180d4ccde21514d117b6c6fd07a9102b5efe710a32af4eeacae2cb3b1dec0 495 35b9593b48b9d3ca4c13d245d5f04169b0b1 496 `, 497 wantVersion: 57, 498 wantRest: []rlp.RawValue{{0x06}, {0xC2, 0x07, 0x08}, {0x81, 0xFA}}, 499 }, 500 } 501 502 func TestHandshakeForwardCompatibility(t *testing.T) { 503 var ( 504 keyA, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee") 505 keyB, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") 506 pubA = crypto.FromECDSAPub(&keyA.PublicKey)[1:] 507 pubB = crypto.FromECDSAPub(&keyB.PublicKey)[1:] 508 ephA, _ = crypto.HexToECDSA("869d6ecf5211f1cc60418a13b9d870b22959d0c16f02bec714c960dd2298a32d") 509 ephB, _ = crypto.HexToECDSA("e238eb8e04fee6511ab04c6dd3c89ce097b11f25d584863ac2b6d5b35b1847e4") 510 ephPubA = crypto.FromECDSAPub(&ephA.PublicKey)[1:] 511 ephPubB = crypto.FromECDSAPub(&ephB.PublicKey)[1:] 512 nonceA = unhex("7e968bba13b6c50e2c4cd7f241cc0d64d1ac25c7f5952df231ac6a2bda8ee5d6") 513 nonceB = unhex("559aead08264d5795d3909718cdd05abd49572e84fe55590eef31a88a08fdffd") 514 _, _, _, _ = pubA, pubB, ephPubA, ephPubB 515 authSignature = unhex("299ca6acfd35e3d72d8ba3d1e2b60b5561d5af5218eb5bc182045769eb4226910a301acae3b369fffc4a4899d6b02531e89fd4fe36a2cf0d93607ba470b50f7800") 516 _ = authSignature 517 ) 518 makeAuth := func(test handshakeAuthTest) *authMsgV4 { 519 msg := &authMsgV4{Version: test.wantVersion, Rest: test.wantRest, gotPlain: test.isPlain} 520 copy(msg.Signature[:], authSignature) 521 copy(msg.InitiatorPubkey[:], pubA) 522 copy(msg.Nonce[:], nonceA) 523 return msg 524 } 525 makeAck := func(test handshakeAckTest) *authRespV4 { 526 msg := &authRespV4{Version: test.wantVersion, Rest: test.wantRest} 527 copy(msg.RandomPubkey[:], ephPubB) 528 copy(msg.Nonce[:], nonceB) 529 return msg 530 } 531 532 // check auth msg parsing 533 for _, test := range eip8HandshakeAuthTests { 534 r := bytes.NewReader(unhex(test.input)) 535 msg := new(authMsgV4) 536 ciphertext, err := readHandshakeMsg(msg, encAuthMsgLen, keyB, r) 537 if err != nil { 538 t.Errorf("error for input %x:\n %v", unhex(test.input), err) 539 continue 540 } 541 if !bytes.Equal(ciphertext, unhex(test.input)) { 542 t.Errorf("wrong ciphertext for input %x:\n %x", unhex(test.input), ciphertext) 543 } 544 want := makeAuth(test) 545 if !reflect.DeepEqual(msg, want) { 546 t.Errorf("wrong msg for input %x:\ngot %s\nwant %s", unhex(test.input), spew.Sdump(msg), spew.Sdump(want)) 547 } 548 } 549 550 // check auth resp parsing 551 for _, test := range eip8HandshakeRespTests { 552 input := unhex(test.input) 553 r := bytes.NewReader(input) 554 msg := new(authRespV4) 555 ciphertext, err := readHandshakeMsg(msg, encAuthRespLen, keyA, r) 556 if err != nil { 557 t.Errorf("error for input %x:\n %v", input, err) 558 continue 559 } 560 if !bytes.Equal(ciphertext, input) { 561 t.Errorf("wrong ciphertext for input %x:\n %x", input, err) 562 } 563 want := makeAck(test) 564 if !reflect.DeepEqual(msg, want) { 565 t.Errorf("wrong msg for input %x:\ngot %s\nwant %s", input, spew.Sdump(msg), spew.Sdump(want)) 566 } 567 } 568 569 // check derivation for (Auth₂, Ack₂) on recipient side 570 var ( 571 hs = &encHandshake{ 572 initiator: false, 573 respNonce: nonceB, 574 randomPrivKey: ecies.ImportECDSA(ephB), 575 } 576 authCiphertext = unhex(eip8HandshakeAuthTests[1].input) 577 authRespCiphertext = unhex(eip8HandshakeRespTests[1].input) 578 authMsg = makeAuth(eip8HandshakeAuthTests[1]) 579 wantAES = unhex("80e8632c05fed6fc2a13b0f8d31a3cf645366239170ea067065aba8e28bac487") 580 wantMAC = unhex("2ea74ec5dae199227dff1af715362700e989d889d7a493cb0639691efb8e5f98") 581 wantFooIngressHash = unhex("0c7ec6340062cc46f5e9f1e3cf86f8c8c403c5a0964f5df0ebd34a75ddc86db5") 582 ) 583 if err := hs.handleAuthMsg(authMsg, keyB); err != nil { 584 t.Fatalf("handleAuthMsg: %v", err) 585 } 586 derived, err := hs.secrets(authCiphertext, authRespCiphertext) 587 if err != nil { 588 t.Fatalf("secrets: %v", err) 589 } 590 if !bytes.Equal(derived.AES, wantAES) { 591 t.Errorf("aes-secret mismatch:\ngot %x\nwant %x", derived.AES, wantAES) 592 } 593 if !bytes.Equal(derived.MAC, wantMAC) { 594 t.Errorf("mac-secret mismatch:\ngot %x\nwant %x", derived.MAC, wantMAC) 595 } 596 io.WriteString(derived.IngressMAC, "foo") 597 fooIngressHash := derived.IngressMAC.Sum(nil) 598 if !bytes.Equal(fooIngressHash, wantFooIngressHash) { 599 t.Errorf("ingress-mac('foo') mismatch:\ngot %x\nwant %x", fooIngressHash, wantFooIngressHash) 600 } 601 }