1// Copyright 2009 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package x509 6 7import ( 8 "bytes" 9 "crypto/dsa" 10 "crypto/ecdsa" 11 "crypto/ed25519" 12 "crypto/elliptic" 13 "crypto/rand" 14 "crypto/rsa" 15 _ "crypto/sha256" 16 _ "crypto/sha512" 17 "crypto/x509/pkix" 18 "encoding/asn1" 19 "encoding/base64" 20 "encoding/hex" 21 "encoding/pem" 22 "fmt" 23 "internal/testenv" 24 "math/big" 25 "net" 26 "net/url" 27 "os/exec" 28 "reflect" 29 "runtime" 30 "strings" 31 "testing" 32 "time" 33) 34 35func TestParsePKCS1PrivateKey(t *testing.T) { 36 block, _ := pem.Decode([]byte(pemPrivateKey)) 37 priv, err := ParsePKCS1PrivateKey(block.Bytes) 38 if err != nil { 39 t.Errorf("Failed to parse private key: %s", err) 40 return 41 } 42 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 || 43 priv.PublicKey.E != rsaPrivateKey.PublicKey.E || 44 priv.D.Cmp(rsaPrivateKey.D) != 0 || 45 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 || 46 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 { 47 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey) 48 } 49 50 // This private key includes an invalid prime that 51 // rsa.PrivateKey.Validate should reject. 52 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00") 53 if _, err := ParsePKCS1PrivateKey(data); err == nil { 54 t.Errorf("parsing invalid private key did not result in an error") 55 } 56} 57 58func TestPKCS1MismatchPublicKeyFormat(t *testing.T) { 59 60 const pkixPublicKey = "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" 61 const errorContains = "use ParsePKIXPublicKey instead" 62 derBytes, _ := hex.DecodeString(pkixPublicKey) 63 _, err := ParsePKCS1PublicKey(derBytes) 64 if !strings.Contains(err.Error(), errorContains) { 65 t.Errorf("expected error containing %q, got %s", errorContains, err) 66 } 67} 68 69func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub interface{}) { 70 block, _ := pem.Decode([]byte(pemBytes)) 71 pub, err := ParsePKIXPublicKey(block.Bytes) 72 if err != nil { 73 t.Fatalf("Failed to parse public key: %s", err) 74 } 75 76 pubBytes2, err := MarshalPKIXPublicKey(pub) 77 if err != nil { 78 t.Errorf("Failed to marshal public key for the second time: %s", err) 79 return 80 } 81 if !bytes.Equal(pubBytes2, block.Bytes) { 82 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes) 83 } 84 return 85} 86 87func TestParsePKIXPublicKey(t *testing.T) { 88 t.Run("RSA", func(t *testing.T) { 89 pub := testParsePKIXPublicKey(t, pemPublicKey) 90 _, ok := pub.(*rsa.PublicKey) 91 if !ok { 92 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key") 93 } 94 }) 95 t.Run("Ed25519", func(t *testing.T) { 96 pub := testParsePKIXPublicKey(t, pemEd25519Key) 97 _, ok := pub.(ed25519.PublicKey) 98 if !ok { 99 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key") 100 } 101 }) 102} 103 104var pemPublicKey = `-----BEGIN PUBLIC KEY----- 105MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+ 106wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k 107enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ 108FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg 109fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR 110FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ 111+QIDAQAB 112-----END PUBLIC KEY----- 113` 114 115var pemPrivateKey = testingKey(` 116-----BEGIN RSA TESTING KEY----- 117MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v 118IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7 119J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB 120AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1 121V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd 1227gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R 123vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12 12433QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS 125rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi 126MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX 127AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo 1286vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6 129wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY= 130-----END RSA TESTING KEY----- 131`) 132 133// pemEd25519Key is the example from RFC 8410, Secrion 4. 134var pemEd25519Key = ` 135-----BEGIN PUBLIC KEY----- 136MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE= 137-----END PUBLIC KEY----- 138` 139 140func TestPKIXMismatchPublicKeyFormat(t *testing.T) { 141 142 const pkcs1PublicKey = "308201080282010100817cfed98bcaa2e2a57087451c7674e0c675686dc33ff1268b0c2a6ee0202dec710858ee1c31bdf5e7783582e8ca800be45f3275c6576adc35d98e26e95bb88ca5beb186f853b8745d88bc9102c5f38753bcda519fb05948d5c77ac429255ff8aaf27d9f45d1586e95e2e9ba8a7cb771b8a09dd8c8fed3f933fd9b439bc9f30c475953418ef25f71a2b6496f53d94d39ce850aa0cc75d445b5f5b4f4ee4db78ab197a9a8d8a852f44529a007ac0ac23d895928d60ba538b16b0b087a7f903ed29770e215019b77eaecc360f35f7ab11b6d735978795b2c4a74e5bdea4dc6594cd67ed752a108e666729a753ab36d6c4f606f8760f507e1765be8cd744007e629020103" 143 const errorContains = "use ParsePKCS1PublicKey instead" 144 derBytes, _ := hex.DecodeString(pkcs1PublicKey) 145 _, err := ParsePKIXPublicKey(derBytes) 146 if !strings.Contains(err.Error(), errorContains) { 147 t.Errorf("expected error containing %q, got %s", errorContains, err) 148 } 149} 150 151var testPrivateKey *rsa.PrivateKey 152 153func init() { 154 block, _ := pem.Decode([]byte(pemPrivateKey)) 155 156 var err error 157 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil { 158 panic("Failed to parse private key: " + err.Error()) 159 } 160} 161 162func bigFromString(s string) *big.Int { 163 ret := new(big.Int) 164 ret.SetString(s, 10) 165 return ret 166} 167 168func fromBase10(base10 string) *big.Int { 169 i := new(big.Int) 170 i.SetString(base10, 10) 171 return i 172} 173 174func bigFromHexString(s string) *big.Int { 175 ret := new(big.Int) 176 ret.SetString(s, 16) 177 return ret 178} 179 180var rsaPrivateKey = &rsa.PrivateKey{ 181 PublicKey: rsa.PublicKey{ 182 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"), 183 E: 65537, 184 }, 185 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"), 186 Primes: []*big.Int{ 187 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"), 188 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"), 189 }, 190} 191 192func TestMarshalRSAPrivateKey(t *testing.T) { 193 priv := &rsa.PrivateKey{ 194 PublicKey: rsa.PublicKey{ 195 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 196 E: 3, 197 }, 198 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"), 199 Primes: []*big.Int{ 200 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"), 201 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"), 202 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"), 203 }, 204 } 205 206 derBytes := MarshalPKCS1PrivateKey(priv) 207 208 priv2, err := ParsePKCS1PrivateKey(derBytes) 209 if err != nil { 210 t.Errorf("error parsing serialized key: %s", err) 211 return 212 } 213 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 || 214 priv.PublicKey.E != priv2.PublicKey.E || 215 priv.D.Cmp(priv2.D) != 0 || 216 len(priv2.Primes) != 3 || 217 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 || 218 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 || 219 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 { 220 t.Errorf("got:%+v want:%+v", priv, priv2) 221 } 222} 223 224func TestMarshalRSAPublicKey(t *testing.T) { 225 pub := &rsa.PublicKey{ 226 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 227 E: 3, 228 } 229 derBytes := MarshalPKCS1PublicKey(pub) 230 pub2, err := ParsePKCS1PublicKey(derBytes) 231 if err != nil { 232 t.Errorf("ParsePKCS1PublicKey: %s", err) 233 } 234 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E { 235 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2) 236 } 237 238 // It's never been documented that asn1.Marshal/Unmarshal on rsa.PublicKey works, 239 // but it does, and we know of code that depends on it. 240 // Lock that in, even though we'd prefer that people use MarshalPKCS1PublicKey and ParsePKCS1PublicKey. 241 derBytes2, err := asn1.Marshal(*pub) 242 if err != nil { 243 t.Errorf("Marshal(rsa.PublicKey): %v", err) 244 } else if !bytes.Equal(derBytes, derBytes2) { 245 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes) 246 } 247 pub3 := new(rsa.PublicKey) 248 rest, err := asn1.Unmarshal(derBytes, pub3) 249 if err != nil { 250 t.Errorf("Unmarshal(rsa.PublicKey): %v", err) 251 } 252 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E { 253 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil)) 254 } 255 256 publicKeys := []struct { 257 derBytes []byte 258 expectedErrSubstr string 259 }{ 260 { 261 derBytes: []byte{ 262 0x30, 6, // SEQUENCE, 6 bytes 263 0x02, 1, // INTEGER, 1 byte 264 17, 265 0x02, 1, // INTEGER, 1 byte 266 3, // 3 267 }, 268 }, { 269 derBytes: []byte{ 270 0x30, 6, // SEQUENCE 271 0x02, 1, // INTEGER, 1 byte 272 0xff, // -1 273 0x02, 1, // INTEGER, 1 byte 274 3, 275 }, 276 expectedErrSubstr: "zero or negative", 277 }, { 278 derBytes: []byte{ 279 0x30, 6, // SEQUENCE 280 0x02, 1, // INTEGER, 1 byte 281 17, 282 0x02, 1, // INTEGER, 1 byte 283 0xff, // -1 284 }, 285 expectedErrSubstr: "zero or negative", 286 }, { 287 derBytes: []byte{ 288 0x30, 6, // SEQUENCE 289 0x02, 1, // INTEGER, 1 byte 290 17, 291 0x02, 1, // INTEGER, 1 byte 292 3, 293 1, 294 }, 295 expectedErrSubstr: "trailing data", 296 }, { 297 derBytes: []byte{ 298 0x30, 9, // SEQUENCE 299 0x02, 1, // INTEGER, 1 byte 300 17, 301 0x02, 4, // INTEGER, 4 bytes 302 0x7f, 0xff, 0xff, 0xff, 303 }, 304 }, { 305 derBytes: []byte{ 306 0x30, 10, // SEQUENCE 307 0x02, 1, // INTEGER, 1 byte 308 17, 309 0x02, 5, // INTEGER, 5 bytes 310 0x00, 0x80, 0x00, 0x00, 0x00, 311 }, 312 // On 64-bit systems, encoding/asn1 will accept the 313 // public exponent, but ParsePKCS1PublicKey will return 314 // an error. On 32-bit systems, encoding/asn1 will 315 // return the error. The common substring of both error 316 // is the word “large”. 317 expectedErrSubstr: "large", 318 }, 319 } 320 321 for i, test := range publicKeys { 322 shouldFail := len(test.expectedErrSubstr) > 0 323 pub, err := ParsePKCS1PublicKey(test.derBytes) 324 if shouldFail { 325 if err == nil { 326 t.Errorf("#%d: unexpected success, got %#v", i, pub) 327 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) { 328 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err) 329 } 330 } else { 331 if err != nil { 332 t.Errorf("#%d: unexpected failure: %s", i, err) 333 continue 334 } 335 reserialized := MarshalPKCS1PublicKey(pub) 336 if !bytes.Equal(reserialized, test.derBytes) { 337 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes) 338 } 339 } 340 } 341} 342 343type matchHostnamesTest struct { 344 pattern, host string 345 ok bool 346} 347 348var matchHostnamesTests = []matchHostnamesTest{ 349 {"a.b.c", "a.b.c", true}, 350 {"a.b.c", "b.b.c", false}, 351 {"", "b.b.c", false}, 352 {"a.b.c", "", false}, 353 {"example.com", "example.com", true}, 354 {"example.com", "www.example.com", false}, 355 {"*.example.com", "example.com", false}, 356 {"*.example.com", "www.example.com", true}, 357 {"*.example.com", "www.example.com.", true}, 358 {"*.example.com", "xyz.www.example.com", false}, 359 {"*.*.example.com", "xyz.www.example.com", false}, 360 {"*.www.*.com", "xyz.www.example.com", false}, 361 {"*bar.example.com", "foobar.example.com", false}, 362 {"f*.example.com", "foobar.example.com", false}, 363 {"", ".", false}, 364 {".", "", false}, 365 {".", ".", false}, 366 {"example.com", "example.com.", true}, 367 {"example.com.", "example.com", true}, 368 {"example.com.", "example.com.", true}, 369 {"*.com.", "example.com.", true}, 370 {"*.com.", "example.com", true}, 371 {"*.com", "example.com", true}, 372 {"*.com", "example.com.", true}, 373} 374 375func TestMatchHostnames(t *testing.T) { 376 for i, test := range matchHostnamesTests { 377 r := matchHostnames(test.pattern, test.host) 378 if r != test.ok { 379 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern) 380 } 381 } 382} 383 384func TestMatchIP(t *testing.T) { 385 // Check that pattern matching is working. 386 c := &Certificate{ 387 DNSNames: []string{"*.foo.bar.baz"}, 388 Subject: pkix.Name{ 389 CommonName: "*.foo.bar.baz", 390 }, 391 } 392 err := c.VerifyHostname("quux.foo.bar.baz") 393 if err != nil { 394 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err) 395 } 396 397 // But check that if we change it to be matching against an IP address, 398 // it is rejected. 399 c = &Certificate{ 400 DNSNames: []string{"*.2.3.4"}, 401 Subject: pkix.Name{ 402 CommonName: "*.2.3.4", 403 }, 404 } 405 err = c.VerifyHostname("1.2.3.4") 406 if err == nil { 407 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not") 408 } 409 410 c = &Certificate{ 411 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")}, 412 } 413 err = c.VerifyHostname("127.0.0.1") 414 if err != nil { 415 t.Fatalf("VerifyHostname(127.0.0.1): %v", err) 416 } 417 err = c.VerifyHostname("::1") 418 if err != nil { 419 t.Fatalf("VerifyHostname(::1): %v", err) 420 } 421 err = c.VerifyHostname("[::1]") 422 if err != nil { 423 t.Fatalf("VerifyHostname([::1]): %v", err) 424 } 425} 426 427func TestCertificateParse(t *testing.T) { 428 s, _ := hex.DecodeString(certBytes) 429 certs, err := ParseCertificates(s) 430 if err != nil { 431 t.Error(err) 432 } 433 if len(certs) != 2 { 434 t.Errorf("Wrong number of certs: got %d want 2", len(certs)) 435 return 436 } 437 438 err = certs[0].CheckSignatureFrom(certs[1]) 439 if err != nil { 440 t.Error(err) 441 } 442 443 if err := certs[0].VerifyHostname("mail.google.com"); err != nil { 444 t.Error(err) 445 } 446 447 const expectedExtensions = 4 448 if n := len(certs[0].Extensions); n != expectedExtensions { 449 t.Errorf("want %d extensions, got %d", expectedExtensions, n) 450 } 451} 452 453func TestCertificateEqualOnNil(t *testing.T) { 454 cNonNil := new(Certificate) 455 var cNil1, cNil2 *Certificate 456 if !cNil1.Equal(cNil2) { 457 t.Error("Nil certificates: cNil1 is not equal to cNil2") 458 } 459 if !cNil2.Equal(cNil1) { 460 t.Error("Nil certificates: cNil2 is not equal to cNil1") 461 } 462 if cNil1.Equal(cNonNil) { 463 t.Error("Unexpectedly cNil1 is equal to cNonNil") 464 } 465 if cNonNil.Equal(cNil1) { 466 t.Error("Unexpectedly cNonNil is equal to cNil1") 467 } 468} 469 470func TestMismatchedSignatureAlgorithm(t *testing.T) { 471 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM)) 472 if der == nil { 473 t.Fatal("Failed to find PEM block") 474 } 475 476 cert, err := ParseCertificate(der.Bytes) 477 if err != nil { 478 t.Fatal(err) 479 } 480 481 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil { 482 t.Fatal("CheckSignature unexpectedly return no error") 483 } 484 485 const expectedSubstring = " but have public key of type " 486 if !strings.Contains(err.Error(), expectedSubstring) { 487 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err) 488 } 489} 490 491var certBytes = "308203223082028ba00302010202106edf0d9499fd4533dd1297fc42a93be1300d06092a864886" + 492 "f70d0101050500304c310b3009060355040613025a4131253023060355040a131c546861777465" + 493 "20436f6e73756c74696e67202850747929204c74642e311630140603550403130d546861777465" + 494 "20534743204341301e170d3039303332353136343932395a170d3130303332353136343932395a" + 495 "3069310b3009060355040613025553311330110603550408130a43616c69666f726e6961311630" + 496 "140603550407130d4d6f756e7461696e205669657731133011060355040a130a476f6f676c6520" + 497 "496e63311830160603550403130f6d61696c2e676f6f676c652e636f6d30819f300d06092a8648" + 498 "86f70d010101050003818d0030818902818100c5d6f892fccaf5614b064149e80a2c9581a218ef" + 499 "41ec35bd7a58125ae76f9ea54ddc893abbeb029f6b73616bf0ffd868791fba7af9c4aebf3706ba" + 500 "3eeaeed27435b4ddcfb157c05f351d66aa87fee0de072d66d773affbd36ab78bef090e0cc861a9" + 501 "03ac90dd98b51c9c41566c017f0beec3bff391051ffba0f5cc6850ad2a590203010001a381e730" + 502 "81e430280603551d250421301f06082b0601050507030106082b06010505070302060960864801" + 503 "86f842040130360603551d1f042f302d302ba029a0278625687474703a2f2f63726c2e74686177" + 504 "74652e636f6d2f54686177746553474343412e63726c307206082b060105050701010466306430" + 505 "2206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d303e0608" + 506 "2b060105050730028632687474703a2f2f7777772e7468617774652e636f6d2f7265706f736974" + 507 "6f72792f5468617774655f5347435f43412e637274300c0603551d130101ff04023000300d0609" + 508 "2a864886f70d01010505000381810062f1f3050ebc105e497c7aedf87e24d2f4a986bb3b837bd1" + 509 "9b91ebcad98b065992f6bd2b49b7d6d3cb2e427a99d606c7b1d46352527fac39e6a8b6726de5bf" + 510 "70212a52cba07634a5e332011bd1868e78eb5e3c93cf03072276786f207494feaa0ed9d53b2110" + 511 "a76571f90209cdae884385c882587030ee15f33d761e2e45a6bc308203233082028ca003020102" + 512 "020430000002300d06092a864886f70d0101050500305f310b3009060355040613025553311730" + 513 "15060355040a130e566572695369676e2c20496e632e31373035060355040b132e436c61737320" + 514 "33205075626c6963205072696d6172792043657274696669636174696f6e20417574686f726974" + 515 "79301e170d3034303531333030303030305a170d3134303531323233353935395a304c310b3009" + 516 "060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e672028" + 517 "50747929204c74642e311630140603550403130d5468617774652053474320434130819f300d06" + 518 "092a864886f70d010101050003818d0030818902818100d4d367d08d157faecd31fe7d1d91a13f" + 519 "0b713cacccc864fb63fc324b0794bd6f80ba2fe10493c033fc093323e90b742b71c403c6d2cde2" + 520 "2ff50963cdff48a500bfe0e7f388b72d32de9836e60aad007bc4644a3b847503f270927d0e62f5" + 521 "21ab693684317590f8bfc76c881b06957cc9e5a8de75a12c7a68dfd5ca1c875860190203010001" + 522 "a381fe3081fb30120603551d130101ff040830060101ff020100300b0603551d0f040403020106" + 523 "301106096086480186f842010104040302010630280603551d110421301fa41d301b3119301706" + 524 "035504031310507269766174654c6162656c332d313530310603551d1f042a30283026a024a022" + 525 "8620687474703a2f2f63726c2e766572697369676e2e636f6d2f706361332e63726c303206082b" + 526 "0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468" + 527 "617774652e636f6d30340603551d25042d302b06082b0601050507030106082b06010505070302" + 528 "06096086480186f8420401060a6086480186f845010801300d06092a864886f70d010105050003" + 529 "81810055ac63eadea1ddd2905f9f0bce76be13518f93d9052bc81b774bad6950a1eededcfddb07" + 530 "e9e83994dcab72792f06bfab8170c4a8edea5334edef1e53d906c7562bd15cf4d18a8eb42bb137" + 531 "9048084225c53e8acb7feb6f04d16dc574a2f7a27c7b603c77cd0ece48027f012fb69b37e02a2a" + 532 "36dcd585d6ace53f546f961e05af" 533 534func parseCIDR(s string) *net.IPNet { 535 _, net, err := net.ParseCIDR(s) 536 if err != nil { 537 panic(err) 538 } 539 return net 540} 541 542func parseURI(s string) *url.URL { 543 uri, err := url.Parse(s) 544 if err != nil { 545 panic(err) 546 } 547 return uri 548} 549 550func TestCreateSelfSignedCertificate(t *testing.T) { 551 random := rand.Reader 552 553 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 554 if err != nil { 555 t.Fatalf("Failed to generate ECDSA key: %s", err) 556 } 557 558 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random) 559 if err != nil { 560 t.Fatalf("Failed to generate Ed25519 key: %s", err) 561 } 562 563 tests := []struct { 564 name string 565 pub, priv interface{} 566 checkSig bool 567 sigAlgo SignatureAlgorithm 568 }{ 569 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA1WithRSA}, 570 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 571 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA}, 572 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA1}, 573 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS}, 574 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS}, 575 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 576 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519}, 577 } 578 579 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth} 580 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}} 581 extraExtensionData := []byte("extra extension") 582 583 for _, test := range tests { 584 commonName := "test.example.com" 585 template := Certificate{ 586 // SerialNumber is negative to ensure that negative 587 // values are parsed. This is due to the prevalence of 588 // buggy code that produces certificates with negative 589 // serial numbers. 590 SerialNumber: big.NewInt(-1), 591 Subject: pkix.Name{ 592 CommonName: commonName, 593 Organization: []string{"Σ Acme Co"}, 594 Country: []string{"US"}, 595 ExtraNames: []pkix.AttributeTypeAndValue{ 596 { 597 Type: []int{2, 5, 4, 42}, 598 Value: "Gopher", 599 }, 600 // This should override the Country, above. 601 { 602 Type: []int{2, 5, 4, 6}, 603 Value: "NL", 604 }, 605 }, 606 }, 607 NotBefore: time.Unix(1000, 0), 608 NotAfter: time.Unix(100000, 0), 609 610 SignatureAlgorithm: test.sigAlgo, 611 612 SubjectKeyId: []byte{1, 2, 3, 4}, 613 KeyUsage: KeyUsageCertSign, 614 615 ExtKeyUsage: testExtKeyUsage, 616 UnknownExtKeyUsage: testUnknownExtKeyUsage, 617 618 BasicConstraintsValid: true, 619 IsCA: true, 620 621 OCSPServer: []string{"http://ocsp.example.com"}, 622 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"}, 623 624 DNSNames: []string{"test.example.com"}, 625 EmailAddresses: []string{"gopher@golang.org"}, 626 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 627 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")}, 628 629 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, 630 PermittedDNSDomains: []string{".example.com", "example.com"}, 631 ExcludedDNSDomains: []string{"bar.example.com"}, 632 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")}, 633 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")}, 634 PermittedEmailAddresses: []string{"foo@example.com"}, 635 ExcludedEmailAddresses: []string{".example.com", "example.com"}, 636 PermittedURIDomains: []string{".bar.com", "bar.com"}, 637 ExcludedURIDomains: []string{".bar2.com", "bar2.com"}, 638 639 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"}, 640 641 ExtraExtensions: []pkix.Extension{ 642 { 643 Id: []int{1, 2, 3, 4}, 644 Value: extraExtensionData, 645 }, 646 // This extension should override the SubjectKeyId, above. 647 { 648 Id: oidExtensionSubjectKeyId, 649 Critical: false, 650 Value: []byte{0x04, 0x04, 4, 3, 2, 1}, 651 }, 652 }, 653 } 654 655 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv) 656 if err != nil { 657 t.Errorf("%s: failed to create certificate: %s", test.name, err) 658 continue 659 } 660 661 cert, err := ParseCertificate(derBytes) 662 if err != nil { 663 t.Errorf("%s: failed to parse certificate: %s", test.name, err) 664 continue 665 } 666 667 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) { 668 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers) 669 } 670 671 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" { 672 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains) 673 } 674 675 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" { 676 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains) 677 } 678 679 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" { 680 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges) 681 } 682 683 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" { 684 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges) 685 } 686 687 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" { 688 t.Errorf("%s: failed to parse permitted email addreses: %#v", test.name, cert.PermittedEmailAddresses) 689 } 690 691 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" { 692 t.Errorf("%s: failed to parse excluded email addreses: %#v", test.name, cert.ExcludedEmailAddresses) 693 } 694 695 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" { 696 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains) 697 } 698 699 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" { 700 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains) 701 } 702 703 if cert.Subject.CommonName != commonName { 704 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName) 705 } 706 707 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" { 708 t.Errorf("%s: ExtraNames didn't override Country", test.name) 709 } 710 711 for _, ext := range cert.Extensions { 712 if ext.Id.Equal(oidExtensionSubjectAltName) { 713 if ext.Critical { 714 t.Fatal("SAN extension is marked critical") 715 } 716 } 717 } 718 719 found := false 720 for _, atv := range cert.Subject.Names { 721 if atv.Type.Equal([]int{2, 5, 4, 42}) { 722 found = true 723 break 724 } 725 } 726 if !found { 727 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name) 728 } 729 730 if cert.Issuer.CommonName != commonName { 731 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName) 732 } 733 734 if cert.SignatureAlgorithm != test.sigAlgo { 735 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo) 736 } 737 738 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) { 739 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage) 740 } 741 742 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) { 743 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) 744 } 745 746 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) { 747 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer) 748 } 749 750 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) { 751 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL) 752 } 753 754 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) { 755 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames) 756 } 757 758 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) { 759 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses) 760 } 761 762 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" { 763 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs) 764 } 765 766 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) { 767 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses) 768 } 769 770 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) { 771 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints) 772 } 773 774 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) { 775 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name) 776 } 777 778 if !bytes.Contains(derBytes, extraExtensionData) { 779 t.Errorf("%s: didn't find extra extension in DER output", test.name) 780 } 781 782 if test.checkSig { 783 err = cert.CheckSignatureFrom(cert) 784 if err != nil { 785 t.Errorf("%s: signature verification failed: %s", test.name, err) 786 } 787 } 788 } 789} 790 791// Self-signed certificate using ECDSA with SHA1 & secp256r1 792var ecdsaSHA1CertPem = ` 793-----BEGIN CERTIFICATE----- 794MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET 795MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG 796A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 797CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw 798WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 799b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg 800SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv 801bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn 802WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3 803P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2 804DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV 805a/A= 806-----END CERTIFICATE----- 807` 808 809// Self-signed certificate using ECDSA with SHA256 & secp256r1 810var ecdsaSHA256p256CertPem = ` 811-----BEGIN CERTIFICATE----- 812MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx 813EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT 814BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh 815BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx 816NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp 817Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs 818IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn 819b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt 8202ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm 821YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV 82270twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ 823h5wi 824-----END CERTIFICATE----- 825` 826 827// Self-signed certificate using ECDSA with SHA256 & secp384r1 828var ecdsaSHA256p384CertPem = ` 829-----BEGIN CERTIFICATE----- 830MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx 831EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 832BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 833CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0 834WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 835b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 836SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 837YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK 838jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze 839qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI 840zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr 841PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh 8423yILeYQzllt/g0rKVRk= 843-----END CERTIFICATE----- 844` 845 846// Self-signed certificate using ECDSA with SHA384 & secp521r1 847var ecdsaSHA384p521CertPem = ` 848-----BEGIN CERTIFICATE----- 849MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx 850EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 851BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 852CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5 853WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 854b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 855SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 856YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv 857IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz 858PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm 8598FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw 860gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH 861BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh 862kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa 863-----END CERTIFICATE----- 864` 865 866var ecdsaTests = []struct { 867 sigAlgo SignatureAlgorithm 868 pemCert string 869}{ 870 {ECDSAWithSHA1, ecdsaSHA1CertPem}, 871 {ECDSAWithSHA256, ecdsaSHA256p256CertPem}, 872 {ECDSAWithSHA256, ecdsaSHA256p384CertPem}, 873 {ECDSAWithSHA384, ecdsaSHA384p521CertPem}, 874} 875 876func TestECDSA(t *testing.T) { 877 for i, test := range ecdsaTests { 878 pemBlock, _ := pem.Decode([]byte(test.pemCert)) 879 cert, err := ParseCertificate(pemBlock.Bytes) 880 if err != nil { 881 t.Errorf("%d: failed to parse certificate: %s", i, err) 882 continue 883 } 884 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo { 885 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo) 886 } 887 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok { 888 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey) 889 } 890 if pka := cert.PublicKeyAlgorithm; pka != ECDSA { 891 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka) 892 } 893 if err = cert.CheckSignatureFrom(cert); err != nil { 894 t.Errorf("%d: certificate verification failed: %s", i, err) 895 } 896 } 897} 898 899// Self-signed certificate using DSA with SHA1 900var dsaCertPem = `-----BEGIN CERTIFICATE----- 901MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC 902VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds 903ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs 904bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5 905MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG 906A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3 907DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB 908gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN 9098lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW 910jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5 911Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC 912X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz 913kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE 914AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5 915LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c 916bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud 917DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11 918ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w 919DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK 920b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx 921z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI 9227ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM 923-----END CERTIFICATE----- 924` 925 926func TestParseCertificateWithDsaPublicKey(t *testing.T) { 927 expectedKey := &dsa.PublicKey{ 928 Parameters: dsa.Parameters{ 929 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"), 930 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"), 931 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"), 932 }, 933 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"), 934 } 935 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 936 cert, err := ParseCertificate(pemBlock.Bytes) 937 if err != nil { 938 t.Fatalf("Failed to parse certificate: %s", err) 939 } 940 if cert.PublicKeyAlgorithm != DSA { 941 t.Errorf("Parsed key algorithm was not DSA") 942 } 943 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey) 944 if !ok { 945 t.Fatalf("Parsed key was not a DSA key: %s", err) 946 } 947 if expectedKey.Y.Cmp(parsedKey.Y) != 0 || 948 expectedKey.P.Cmp(parsedKey.P) != 0 || 949 expectedKey.Q.Cmp(parsedKey.Q) != 0 || 950 expectedKey.G.Cmp(parsedKey.G) != 0 { 951 t.Fatal("Parsed key differs from expected key") 952 } 953} 954 955func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) { 956 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 957 cert, err := ParseCertificate(pemBlock.Bytes) 958 if err != nil { 959 t.Fatalf("Failed to parse certificate: %s", err) 960 } 961 if cert.SignatureAlgorithm != DSAWithSHA1 { 962 t.Errorf("Parsed signature algorithm was not DSAWithSHA1") 963 } 964} 965 966func TestVerifyCertificateWithDSASignature(t *testing.T) { 967 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 968 cert, err := ParseCertificate(pemBlock.Bytes) 969 if err != nil { 970 t.Fatalf("Failed to parse certificate: %s", err) 971 } 972 // test cert is self-signed 973 if err = cert.CheckSignatureFrom(cert); err != nil { 974 t.Fatalf("DSA Certificate verification failed: %s", err) 975 } 976} 977 978const dsaCert1024WithSha256 = `-----BEGIN CERTIFICATE----- 979MIIDKzCCAumgAwIBAgIUOXWPK4gTRZVVY7OSXTU00QEWQU8wCwYJYIZIAWUDBAMC 980MEUxCzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJ 981bnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwIBcNMTkxMDAxMDYxODUyWhgPMzAxOTAy 982MDEwNjE4NTJaMEUxCzAJBgNVBAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEw 983HwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRzIFB0eSBMdGQwggG4MIIBLAYHKoZIzjgE 984ATCCAR8CgYEAr79m/1ypU1aUbbLX1jikTyX7w2QYP+EkxNtXUiiTuxkC1KBqqxT3 9850Aht2vxFR47ODEK4B79rHO+UevhaqDaAHSH7Z/9umS0h0aS32KLDLb+LI5AneCrn 986eW5YbVhfD03N7uR4kKUCKOnWj5hAk9xiE3y7oFR0bBXzqrrHJF9LMd0CFQCB6lSj 987HSW0rGmNxIZsBl72u7JFLQKBgQCOFd1PGEQmddn0cdFgby5QQfjrqmoD1zNlFZEt 988L0x1EbndFwelLlF1ChNh3NPNUkjwRbla07FDlONs1GMJq6w4vW11ns+pUvAZ2+RM 989EVFjugip8az2ncn3UujGTVdFxnSTLBsRlMP/tFDK3ky//8zn/5ha9SKKw4v1uv6M 990JuoIbwOBhQACgYEAoeKeR90nwrnoPi5MOUPBLQvuzB87slfr+3kL8vFCmgjA6MtB 9917TxQKoBTOo5aVgWDp0lMIMxLd6btzBrm6r3VdRlh/cL8/PtbxkFwBa+Upe4o5NAh 992ISCe2/f2leT1PxtF8xxYjz/fszeUeHsJbVMilE2cuB2SYrR5tMExiqy+QpqjUzBR 993MB0GA1UdDgQWBBQDMIEL8Z3jc1d9wCxWtksUWc8RkjAfBgNVHSMEGDAWgBQDMIEL 9948Z3jc1d9wCxWtksUWc8RkjAPBgNVHRMBAf8EBTADAQH/MAsGCWCGSAFlAwQDAgMv 995ADAsAhQFehZgI4OyKBGpfnXvyJ0Z/0a6nAIUTO265Ane87LfJuQr3FrqvuCI354= 996-----END CERTIFICATE----- 997` 998 999func TestVerifyCertificateWithDSATooLongHash(t *testing.T) { 1000 pemBlock, _ := pem.Decode([]byte(dsaCert1024WithSha256)) 1001 cert, err := ParseCertificate(pemBlock.Bytes) 1002 if err != nil { 1003 t.Fatalf("Failed to parse certificate: %s", err) 1004 } 1005 1006 // test cert is self-signed 1007 if err = cert.CheckSignatureFrom(cert); err != nil { 1008 t.Fatalf("DSA Certificate self-signature verification failed: %s", err) 1009 } 1010 1011 signed := []byte("A wild Gopher appears!\n") 1012 signature, _ := hex.DecodeString("302c0214417aca7ff458f5b566e43e7b82f994953da84be50214625901e249e33f4e4838f8b5966020c286dd610e") 1013 1014 // This signature is using SHA256, but only has 1024 DSA key. The hash has to be truncated 1015 // in CheckSignature, otherwise it won't pass. 1016 if err = cert.CheckSignature(DSAWithSHA256, signed, signature); err != nil { 1017 t.Fatalf("DSA signature verification failed: %s", err) 1018 } 1019} 1020 1021var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE----- 1022MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA 1023oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC 1024SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1025aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1026U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC 1027SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1028aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1029U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST 10308nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl 1031yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W 1032PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj 10337TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT 1034UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn 1035defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK 1036bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es 1037yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS 10387nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek 1039tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE 1040qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV 1041Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP 1042fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg 1043hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC 1044AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n 1045li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR 1046TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3 1047kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66 1048U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c 104915gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv 1050C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN 10512BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO 1052FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9 1053qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2 1054+f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q== 1055-----END CERTIFICATE-----` 1056 1057// openssl req -newkey rsa:2048 -keyout test.key -sha256 -sigopt \ 1058// rsa_padding_mode:pss -sigopt rsa_pss_saltlen:32 -sigopt rsa_mgf1_md:sha256 \ 1059// -x509 -days 3650 -nodes -subj '/C=US/ST=CA/L=SF/O=Test/CN=Test' -out \ 1060// test.pem 1061var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE----- 1062MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI 1063AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV 1064BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx 1065DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF 1066MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK 1067DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB 1068CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp 1069qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj 1070TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM 1071+ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0 1072iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G 1073RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg 1074gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw 1075DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa 1076MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe 1077WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s 1078Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/ 1079656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6 1080wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w 1081Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J 1082+w9fjQ== 1083-----END CERTIFICATE-----` 1084 1085func TestRSAPSSSelfSigned(t *testing.T) { 1086 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} { 1087 der, _ := pem.Decode([]byte(pemBlock)) 1088 if der == nil { 1089 t.Errorf("#%d: failed to find PEM block", i) 1090 continue 1091 } 1092 1093 cert, err := ParseCertificate(der.Bytes) 1094 if err != nil { 1095 t.Errorf("#%d: failed to parse: %s", i, err) 1096 continue 1097 } 1098 1099 if err = cert.CheckSignatureFrom(cert); err != nil { 1100 t.Errorf("#%d: signature check failed: %s", i, err) 1101 continue 1102 } 1103 } 1104} 1105 1106const ed25519Certificate = ` 1107Certificate: 1108 Data: 1109 Version: 3 (0x2) 1110 Serial Number: 1111 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92 1112 Signature Algorithm: ED25519 1113 Issuer: CN = Ed25519 test certificate 1114 Validity 1115 Not Before: May 6 17:27:16 2019 GMT 1116 Not After : Jun 5 17:27:16 2019 GMT 1117 Subject: CN = Ed25519 test certificate 1118 Subject Public Key Info: 1119 Public Key Algorithm: ED25519 1120 ED25519 Public-Key: 1121 pub: 1122 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70: 1123 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a: 1124 3c:fa 1125 X509v3 extensions: 1126 X509v3 Subject Key Identifier: 1127 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1128 X509v3 Authority Key Identifier: 1129 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1130 1131 X509v3 Basic Constraints: critical 1132 CA:TRUE 1133 Signature Algorithm: ED25519 1134 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5: 1135 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5: 1136 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc: 1137 60:b9:d4:f4:78:4b:3c:1c:91:00 1138-----BEGIN CERTIFICATE----- 1139MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf 1140BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa 1141Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp 1142Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6 1143o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU 1144CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT 1145pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U 1146GtKoKNxgudT0eEs8HJEA 1147-----END CERTIFICATE-----` 1148 1149func TestEd25519SelfSigned(t *testing.T) { 1150 der, _ := pem.Decode([]byte(ed25519Certificate)) 1151 if der == nil { 1152 t.Fatalf("Failed to find PEM block") 1153 } 1154 1155 cert, err := ParseCertificate(der.Bytes) 1156 if err != nil { 1157 t.Fatalf("Failed to parse: %s", err) 1158 } 1159 1160 if cert.PublicKeyAlgorithm != Ed25519 { 1161 t.Fatalf("Parsed key algorithm was not Ed25519") 1162 } 1163 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey) 1164 if !ok { 1165 t.Fatalf("Parsed key was not an Ed25519 key: %s", err) 1166 } 1167 if len(parsedKey) != ed25519.PublicKeySize { 1168 t.Fatalf("Invalid Ed25519 key") 1169 } 1170 1171 if err = cert.CheckSignatureFrom(cert); err != nil { 1172 t.Fatalf("Signature check failed: %s", err) 1173 } 1174} 1175 1176const pemCertificate = `-----BEGIN CERTIFICATE----- 1177MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw 1178EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2 1179MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 1180ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4 1181jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH 1182qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK 1183yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB 1184EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I 11855Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF 1186oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC 1187EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7 1188X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6 11891fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai 1190/mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy 1191fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH 1192KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5 1193EhLrEqU= 1194-----END CERTIFICATE-----` 1195 1196const ed25519CRLCertificate = ` 1197Certificate: 1198Data: 1199 Version: 3 (0x2) 1200 Serial Number: 1201 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d 1202 Signature Algorithm: ED25519 1203 Issuer: CN = Ed25519 CRL Test CA 1204 Validity 1205 Not Before: Oct 30 01:20:20 2019 GMT 1206 Not After : Dec 31 23:59:59 9999 GMT 1207 Subject: CN = Ed25519 CRL Test CA 1208 Subject Public Key Info: 1209 Public Key Algorithm: ED25519 1210 ED25519 Public-Key: 1211 pub: 1212 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df: 1213 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f: 1214 75:21 1215 X509v3 extensions: 1216 X509v3 Key Usage: critical 1217 Digital Signature, Certificate Sign, CRL Sign 1218 X509v3 Extended Key Usage: 1219 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing 1220 X509v3 Basic Constraints: critical 1221 CA:TRUE 1222 X509v3 Subject Key Identifier: 1223 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1224 X509v3 Authority Key Identifier: 1225 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1226 1227Signature Algorithm: ED25519 1228 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e: 1229 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5: 1230 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1: 1231 ee:68:76:17:1d:90:cc:92:93:07 1232-----BEGIN CERTIFICATE----- 1233MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE 1234AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz 1235MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl 1236cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud 1237DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF 1238BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK 1239gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+ 1240FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA 12419mDH0e5odhcdkMySkwc= 1242-----END CERTIFICATE-----` 1243 1244const ed25519CRLKey = `-----BEGIN PRIVATE KEY----- 1245MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG 1246-----END PRIVATE KEY-----` 1247 1248func TestCRLCreation(t *testing.T) { 1249 block, _ := pem.Decode([]byte(pemPrivateKey)) 1250 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes) 1251 block, _ = pem.Decode([]byte(pemCertificate)) 1252 certRSA, _ := ParseCertificate(block.Bytes) 1253 1254 block, _ = pem.Decode([]byte(ed25519CRLKey)) 1255 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes) 1256 block, _ = pem.Decode([]byte(ed25519CRLCertificate)) 1257 certEd25519, _ := ParseCertificate(block.Bytes) 1258 1259 tests := []struct { 1260 name string 1261 priv interface{} 1262 cert *Certificate 1263 }{ 1264 {"RSA CA", privRSA, certRSA}, 1265 {"Ed25519 CA", privEd25519, certEd25519}, 1266 } 1267 1268 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds())) 1269 1270 now := time.Unix(1000, 0).In(loc) 1271 nowUTC := now.UTC() 1272 expiry := time.Unix(10000, 0) 1273 1274 revokedCerts := []pkix.RevokedCertificate{ 1275 { 1276 SerialNumber: big.NewInt(1), 1277 RevocationTime: nowUTC, 1278 }, 1279 { 1280 SerialNumber: big.NewInt(42), 1281 // RevocationTime should be converted to UTC before marshaling. 1282 RevocationTime: now, 1283 }, 1284 } 1285 expectedCerts := []pkix.RevokedCertificate{ 1286 { 1287 SerialNumber: big.NewInt(1), 1288 RevocationTime: nowUTC, 1289 }, 1290 { 1291 SerialNumber: big.NewInt(42), 1292 RevocationTime: nowUTC, 1293 }, 1294 } 1295 1296 for _, test := range tests { 1297 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry) 1298 if err != nil { 1299 t.Errorf("%s: error creating CRL: %s", test.name, err) 1300 } 1301 1302 parsedCRL, err := ParseDERCRL(crlBytes) 1303 if err != nil { 1304 t.Errorf("%s: error reparsing CRL: %s", test.name, err) 1305 } 1306 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) { 1307 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name, 1308 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) 1309 } 1310 } 1311} 1312 1313func fromBase64(in string) []byte { 1314 out := make([]byte, base64.StdEncoding.DecodedLen(len(in))) 1315 n, err := base64.StdEncoding.Decode(out, []byte(in)) 1316 if err != nil { 1317 panic("failed to base64 decode") 1318 } 1319 return out[:n] 1320} 1321 1322func TestParseDERCRL(t *testing.T) { 1323 derBytes := fromBase64(derCRLBase64) 1324 certList, err := ParseDERCRL(derBytes) 1325 if err != nil { 1326 t.Errorf("error parsing: %s", err) 1327 return 1328 } 1329 numCerts := len(certList.TBSCertList.RevokedCertificates) 1330 expected := 88 1331 if numCerts != expected { 1332 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1333 } 1334 1335 if certList.HasExpired(time.Unix(1302517272, 0)) { 1336 t.Errorf("CRL has expired (but shouldn't have)") 1337 } 1338 1339 // Can't check the signature here without a package cycle. 1340} 1341 1342func TestCRLWithoutExpiry(t *testing.T) { 1343 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh") 1344 certList, err := ParseDERCRL(derBytes) 1345 if err != nil { 1346 t.Fatal(err) 1347 } 1348 if !certList.TBSCertList.NextUpdate.IsZero() { 1349 t.Errorf("NextUpdate is not the zero value") 1350 } 1351} 1352 1353func TestParsePEMCRL(t *testing.T) { 1354 pemBytes := fromBase64(pemCRLBase64) 1355 certList, err := ParseCRL(pemBytes) 1356 if err != nil { 1357 t.Errorf("error parsing: %s", err) 1358 return 1359 } 1360 numCerts := len(certList.TBSCertList.RevokedCertificates) 1361 expected := 2 1362 if numCerts != expected { 1363 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1364 } 1365 1366 if certList.HasExpired(time.Unix(1302517272, 0)) { 1367 t.Errorf("CRL has expired (but shouldn't have)") 1368 } 1369 1370 // Can't check the signature here without a package cycle. 1371} 1372 1373func TestImports(t *testing.T) { 1374 if testing.Short() { 1375 t.Skip("skipping in -short mode") 1376 } 1377 testenv.MustHaveGoRun(t) 1378 1379 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil { 1380 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out) 1381 } 1382} 1383 1384const derCRLBase64 = "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" 1385 1386const pemCRLBase64 = "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" 1387 1388func TestCreateCertificateRequest(t *testing.T) { 1389 random := rand.Reader 1390 1391 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 1392 if err != nil { 1393 t.Fatalf("Failed to generate ECDSA key: %s", err) 1394 } 1395 1396 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader) 1397 if err != nil { 1398 t.Fatalf("Failed to generate ECDSA key: %s", err) 1399 } 1400 1401 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader) 1402 if err != nil { 1403 t.Fatalf("Failed to generate ECDSA key: %s", err) 1404 } 1405 1406 _, ed25519Priv, err := ed25519.GenerateKey(random) 1407 if err != nil { 1408 t.Fatalf("Failed to generate Ed25519 key: %s", err) 1409 } 1410 1411 tests := []struct { 1412 name string 1413 priv interface{} 1414 sigAlgo SignatureAlgorithm 1415 }{ 1416 {"RSA", testPrivateKey, SHA1WithRSA}, 1417 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA1}, 1418 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA1}, 1419 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA1}, 1420 {"Ed25519", ed25519Priv, PureEd25519}, 1421 } 1422 1423 for _, test := range tests { 1424 template := CertificateRequest{ 1425 Subject: pkix.Name{ 1426 CommonName: "test.example.com", 1427 Organization: []string{"Σ Acme Co"}, 1428 }, 1429 SignatureAlgorithm: test.sigAlgo, 1430 DNSNames: []string{"test.example.com"}, 1431 EmailAddresses: []string{"gopher@golang.org"}, 1432 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 1433 } 1434 1435 derBytes, err := CreateCertificateRequest(random, &template, test.priv) 1436 if err != nil { 1437 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1438 continue 1439 } 1440 1441 out, err := ParseCertificateRequest(derBytes) 1442 if err != nil { 1443 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1444 continue 1445 } 1446 1447 err = out.CheckSignature() 1448 if err != nil { 1449 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err) 1450 continue 1451 } 1452 1453 if out.Subject.CommonName != template.Subject.CommonName { 1454 t.Errorf("%s: output subject common name and template subject common name don't match", test.name) 1455 } else if len(out.Subject.Organization) != len(template.Subject.Organization) { 1456 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name) 1457 } else if len(out.DNSNames) != len(template.DNSNames) { 1458 t.Errorf("%s: output DNS names and template DNS names don't match", test.name) 1459 } else if len(out.EmailAddresses) != len(template.EmailAddresses) { 1460 t.Errorf("%s: output email addresses and template email addresses don't match", test.name) 1461 } else if len(out.IPAddresses) != len(template.IPAddresses) { 1462 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name) 1463 } 1464 } 1465} 1466 1467func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest { 1468 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey) 1469 if err != nil { 1470 t.Fatal(err) 1471 } 1472 1473 csr, err := ParseCertificateRequest(derBytes) 1474 if err != nil { 1475 t.Fatal(err) 1476 } 1477 1478 return csr 1479} 1480 1481func TestCertificateRequestOverrides(t *testing.T) { 1482 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil) 1483 if err != nil { 1484 t.Fatal(err) 1485 } 1486 1487 template := CertificateRequest{ 1488 Subject: pkix.Name{ 1489 CommonName: "test.example.com", 1490 Organization: []string{"Σ Acme Co"}, 1491 }, 1492 DNSNames: []string{"test.example.com"}, 1493 1494 // An explicit extension should override the DNSNames from the 1495 // template. 1496 ExtraExtensions: []pkix.Extension{ 1497 { 1498 Id: oidExtensionSubjectAltName, 1499 Value: sanContents, 1500 Critical: true, 1501 }, 1502 }, 1503 } 1504 1505 csr := marshalAndParseCSR(t, &template) 1506 1507 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" { 1508 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames) 1509 } 1510 1511 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical { 1512 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions) 1513 } 1514 1515 // If there is already an attribute with X.509 extensions then the 1516 // extra extensions should be added to it rather than creating a CSR 1517 // with two extension attributes. 1518 1519 template.Attributes = []pkix.AttributeTypeAndValueSET{ 1520 { 1521 Type: oidExtensionRequest, 1522 Value: [][]pkix.AttributeTypeAndValue{ 1523 { 1524 { 1525 Type: oidExtensionAuthorityInfoAccess, 1526 Value: []byte("foo"), 1527 }, 1528 }, 1529 }, 1530 }, 1531 } 1532 1533 csr = marshalAndParseCSR(t, &template) 1534 if l := len(csr.Attributes); l != 1 { 1535 t.Errorf("incorrect number of attributes: %d\n", l) 1536 } 1537 1538 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) || 1539 len(csr.Attributes[0].Value) != 1 || 1540 len(csr.Attributes[0].Value[0]) != 2 { 1541 t.Errorf("bad attributes: %#v\n", csr.Attributes) 1542 } 1543 1544 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil) 1545 if err != nil { 1546 t.Fatal(err) 1547 } 1548 1549 // Extensions in Attributes should override those in ExtraExtensions. 1550 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{ 1551 Type: oidExtensionSubjectAltName, 1552 Value: sanContents2, 1553 }) 1554 1555 csr = marshalAndParseCSR(t, &template) 1556 1557 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" { 1558 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames) 1559 } 1560} 1561 1562func TestParseCertificateRequest(t *testing.T) { 1563 for _, csrBase64 := range csrBase64Array { 1564 csrBytes := fromBase64(csrBase64) 1565 csr, err := ParseCertificateRequest(csrBytes) 1566 if err != nil { 1567 t.Fatalf("failed to parse CSR: %s", err) 1568 } 1569 1570 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" { 1571 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses) 1572 } 1573 1574 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" { 1575 t.Errorf("incorrect DNS names found: %v", csr.DNSNames) 1576 } 1577 1578 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" { 1579 t.Errorf("incorrect Subject name: %v", csr.Subject) 1580 } 1581 1582 found := false 1583 for _, e := range csr.Extensions { 1584 if e.Id.Equal(oidExtensionBasicConstraints) { 1585 found = true 1586 break 1587 } 1588 } 1589 if !found { 1590 t.Errorf("basic constraints extension not found in CSR") 1591 } 1592 } 1593} 1594 1595func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) { 1596 // This CSR contains an extension request where the extensions have a 1597 // critical flag in them. In the past we failed to handle this. 1598 const csrBase64 = "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" 1599 1600 csrBytes := fromBase64(csrBase64) 1601 csr, err := ParseCertificateRequest(csrBytes) 1602 if err != nil { 1603 t.Fatalf("failed to parse CSR: %s", err) 1604 } 1605 1606 expected := []struct { 1607 Id asn1.ObjectIdentifier 1608 Value []byte 1609 }{ 1610 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")}, 1611 {oidExtensionKeyUsage, fromBase64("AwIChA==")}, 1612 } 1613 1614 if n := len(csr.Extensions); n != len(expected) { 1615 t.Fatalf("expected to find %d extensions but found %d", len(expected), n) 1616 } 1617 1618 for i, extension := range csr.Extensions { 1619 if !extension.Id.Equal(expected[i].Id) { 1620 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id) 1621 } 1622 1623 if !bytes.Equal(extension.Value, expected[i].Value) { 1624 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value) 1625 } 1626 } 1627} 1628 1629// serialiseAndParse generates a self-signed certificate from template and 1630// returns a parsed version of it. 1631func serialiseAndParse(t *testing.T, template *Certificate) *Certificate { 1632 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey) 1633 if err != nil { 1634 t.Fatalf("failed to create certificate: %s", err) 1635 return nil 1636 } 1637 1638 cert, err := ParseCertificate(derBytes) 1639 if err != nil { 1640 t.Fatalf("failed to parse certificate: %s", err) 1641 return nil 1642 } 1643 1644 return cert 1645} 1646 1647func TestMaxPathLen(t *testing.T) { 1648 template := &Certificate{ 1649 SerialNumber: big.NewInt(1), 1650 Subject: pkix.Name{ 1651 CommonName: "Σ Acme Co", 1652 }, 1653 NotBefore: time.Unix(1000, 0), 1654 NotAfter: time.Unix(100000, 0), 1655 1656 BasicConstraintsValid: true, 1657 IsCA: true, 1658 } 1659 1660 cert1 := serialiseAndParse(t, template) 1661 if m := cert1.MaxPathLen; m != -1 { 1662 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m) 1663 } 1664 if cert1.MaxPathLenZero { 1665 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero") 1666 } 1667 1668 template.MaxPathLen = 1 1669 cert2 := serialiseAndParse(t, template) 1670 if m := cert2.MaxPathLen; m != 1 { 1671 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m) 1672 } 1673 if cert2.MaxPathLenZero { 1674 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero") 1675 } 1676 1677 template.MaxPathLen = 0 1678 template.MaxPathLenZero = true 1679 cert3 := serialiseAndParse(t, template) 1680 if m := cert3.MaxPathLen; m != 0 { 1681 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m) 1682 } 1683 if !cert3.MaxPathLenZero { 1684 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero") 1685 } 1686} 1687 1688func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) { 1689 template := &Certificate{ 1690 SerialNumber: big.NewInt(1), 1691 Subject: pkix.Name{ 1692 CommonName: "Σ Acme Co", 1693 }, 1694 NotBefore: time.Unix(1000, 0), 1695 NotAfter: time.Unix(100000, 0), 1696 1697 BasicConstraintsValid: true, 1698 IsCA: true, 1699 SubjectKeyId: []byte{1, 2, 3, 4}, 1700 } 1701 1702 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 { 1703 t.Fatalf("self-signed certificate contained default authority key id") 1704 } 1705 1706 template.AuthorityKeyId = []byte{1, 2, 3, 4} 1707 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 { 1708 t.Fatalf("self-signed certificate erased explicit authority key id") 1709 } 1710} 1711 1712func TestASN1BitLength(t *testing.T) { 1713 tests := []struct { 1714 bytes []byte 1715 bitLen int 1716 }{ 1717 {nil, 0}, 1718 {[]byte{0x00}, 0}, 1719 {[]byte{0x00, 0x00}, 0}, 1720 {[]byte{0xf0}, 4}, 1721 {[]byte{0x88}, 5}, 1722 {[]byte{0xff}, 8}, 1723 {[]byte{0xff, 0x80}, 9}, 1724 {[]byte{0xff, 0x81}, 16}, 1725 } 1726 1727 for i, test := range tests { 1728 if got := asn1BitLength(test.bytes); got != test.bitLen { 1729 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen) 1730 } 1731 } 1732} 1733 1734func TestVerifyEmptyCertificate(t *testing.T) { 1735 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed { 1736 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed) 1737 } 1738} 1739 1740func TestInsecureAlgorithmErrorString(t *testing.T) { 1741 tests := []struct { 1742 sa SignatureAlgorithm 1743 want string 1744 }{ 1745 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm MD2-RSA"}, 1746 {-1, "x509: cannot verify signature: insecure algorithm -1"}, 1747 {0, "x509: cannot verify signature: insecure algorithm 0"}, 1748 {9999, "x509: cannot verify signature: insecure algorithm 9999"}, 1749 } 1750 for i, tt := range tests { 1751 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want { 1752 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want) 1753 } 1754 } 1755} 1756 1757// These CSR was generated with OpenSSL: 1758// openssl req -out CSR.csr -new -sha256 -nodes -keyout privateKey.key -config openssl.cnf 1759// 1760// With openssl.cnf containing the following sections: 1761// [ v3_req ] 1762// basicConstraints = CA:FALSE 1763// keyUsage = nonRepudiation, digitalSignature, keyEncipherment 1764// subjectAltName = email:gopher@golang.org,DNS:test.example.com 1765// [ req_attributes ] 1766// challengePassword = ignored challenge 1767// unstructuredName = ignored unstructured name 1768var csrBase64Array = [...]string{ 1769 // Just [ v3_req ] 1770 "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", 1771 // Both [ v3_req ] and [ req_attributes ] 1772 "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", 1773} 1774 1775var md5cert = ` 1776-----BEGIN CERTIFICATE----- 1777MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB 1778VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx 1779MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE 1780CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB 1781BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf 1782Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs 1783cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB 1784AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY 1785cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw 1786GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa 1787qViorq4= 1788-----END CERTIFICATE----- 1789` 1790 1791func TestMD5(t *testing.T) { 1792 pemBlock, _ := pem.Decode([]byte(md5cert)) 1793 cert, err := ParseCertificate(pemBlock.Bytes) 1794 if err != nil { 1795 t.Fatalf("failed to parse certificate: %s", err) 1796 } 1797 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA { 1798 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA) 1799 } 1800 if err = cert.CheckSignatureFrom(cert); err == nil { 1801 t.Fatalf("certificate verification succeeded incorrectly") 1802 } 1803 if _, ok := err.(InsecureAlgorithmError); !ok { 1804 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1805 } 1806} 1807 1808// certMissingRSANULL contains an RSA public key where the AlgorithmIdentifer 1809// parameters are omitted rather than being an ASN.1 NULL. 1810const certMissingRSANULL = ` 1811-----BEGIN CERTIFICATE----- 1812MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD 1813bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4 1814MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc 1815MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG 1816hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE 1817ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e 1818E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw 1819DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A 1820p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4 1821hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE 1822GFGNEH5PlGffo05wc46QkYU= 1823-----END CERTIFICATE-----` 1824 1825func TestRSAMissingNULLParameters(t *testing.T) { 1826 block, _ := pem.Decode([]byte(certMissingRSANULL)) 1827 if _, err := ParseCertificate(block.Bytes); err == nil { 1828 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter") 1829 } else if !strings.Contains(err.Error(), "missing NULL") { 1830 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err) 1831 } 1832} 1833 1834const certISOOID = ` 1835-----BEGIN CERTIFICATE----- 1836MIIB5TCCAVKgAwIBAgIQtwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN 1837BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx 1838DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH 1839GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86 1840BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw 18415O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw 1842OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW 1843V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE 1844J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2 1845NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu 1846MCRtdSdaM7g3 1847-----END CERTIFICATE-----` 1848 1849func TestISOOIDInCertificate(t *testing.T) { 1850 block, _ := pem.Decode([]byte(certISOOID)) 1851 if cert, err := ParseCertificate(block.Bytes); err != nil { 1852 t.Errorf("certificate with ISO OID failed to parse: %s", err) 1853 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm { 1854 t.Errorf("ISO OID not recognised in certificate") 1855 } 1856} 1857 1858// certMultipleRDN contains a RelativeDistinguishedName with two elements (the 1859// common name and serial number). This particular certificate was the first 1860// such certificate in the “Pilot” Certificate Transparency log. 1861const certMultipleRDN = ` 1862-----BEGIN CERTIFICATE----- 1863MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz 1864aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j 1865YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz 1866aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy 1867dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw 1868MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB 1869BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM 1870098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf 1871HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv 1872oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI 1873zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/ 1874y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G 1875A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF 1876BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw 1877b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE 1878BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln 1879b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu 1880c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp 1881Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292 1882LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda 1883gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY 1884PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ 1885KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y 1886BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5 1887ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9 18889C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R 1889uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd 1890La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF 1891DF72IUofoVt7wo0= 1892-----END CERTIFICATE-----` 1893 1894func TestMultipleRDN(t *testing.T) { 1895 block, _ := pem.Decode([]byte(certMultipleRDN)) 1896 cert, err := ParseCertificate(block.Bytes) 1897 if err != nil { 1898 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err) 1899 } 1900 1901 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want { 1902 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want) 1903 } 1904 1905 if want := "1236484010010"; cert.Subject.SerialNumber != want { 1906 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want) 1907 } 1908} 1909 1910func TestSystemCertPool(t *testing.T) { 1911 if runtime.GOOS == "windows" { 1912 t.Skip("not implemented on Windows; Issue 16736, 18609") 1913 } 1914 a, err := SystemCertPool() 1915 if err != nil { 1916 t.Fatal(err) 1917 } 1918 b, err := SystemCertPool() 1919 if err != nil { 1920 t.Fatal(err) 1921 } 1922 if !reflect.DeepEqual(a, b) { 1923 t.Fatal("two calls to SystemCertPool had different results") 1924 } 1925 if ok := b.AppendCertsFromPEM([]byte(` 1926-----BEGIN CERTIFICATE----- 1927MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw 1928EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2 1929MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 1930ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf 1931cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD 1932yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM 1933jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01 1934IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl 1935VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF 1936oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC 1937FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR 1938BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs 19391cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub 1940YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI 1941gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq 1942N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6 1943pa/O1nF0AfWOpw== 1944-----END CERTIFICATE----- 1945 `)); !ok { 1946 t.Fatal("AppendCertsFromPEM failed") 1947 } 1948 if reflect.DeepEqual(a, b) { 1949 t.Fatal("changing one pool modified the other") 1950 } 1951} 1952 1953const emptyNameConstraintsPEM = ` 1954-----BEGIN CERTIFICATE----- 1955MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 1956dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 1957NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 1958IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 1959F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 1960f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 1961Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 1962LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 1963blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 1964AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH 1965QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb 19666L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H 1967v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M 1968LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga 1969nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8 1970o+WoY6IsCKXV/g== 1971-----END CERTIFICATE-----` 1972 1973func TestEmptyNameConstraints(t *testing.T) { 1974 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM)) 1975 _, err := ParseCertificate(block.Bytes) 1976 if err == nil { 1977 t.Fatal("unexpected success") 1978 } 1979 1980 const expected = "empty name constraints" 1981 if str := err.Error(); !strings.Contains(str, expected) { 1982 t.Errorf("expected %q in error but got %q", expected, str) 1983 } 1984} 1985 1986func TestPKIXNameString(t *testing.T) { 1987 pem, err := hex.DecodeString(certBytes) 1988 if err != nil { 1989 t.Fatal(err) 1990 } 1991 certs, err := ParseCertificates(pem) 1992 if err != nil { 1993 t.Fatal(err) 1994 } 1995 1996 tests := []struct { 1997 dn pkix.Name 1998 want string 1999 }{ 2000 {pkix.Name{ 2001 CommonName: "Steve Kille", 2002 Organization: []string{"Isode Limited"}, 2003 OrganizationalUnit: []string{"RFCs"}, 2004 Locality: []string{"Richmond"}, 2005 Province: []string{"Surrey"}, 2006 StreetAddress: []string{"The Square"}, 2007 PostalCode: []string{"TW9 1DT"}, 2008 SerialNumber: "RFC 2253", 2009 Country: []string{"GB"}, 2010 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"}, 2011 {certs[0].Subject, 2012 "CN=mail.google.com,O=Google Inc,L=Mountain View,ST=California,C=US"}, 2013 {pkix.Name{ 2014 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "}, 2015 Country: []string{"US"}, 2016 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"}, 2017 {pkix.Name{ 2018 CommonName: "foo.com", 2019 Organization: []string{"Gopher Industries"}, 2020 ExtraNames: []pkix.AttributeTypeAndValue{ 2021 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}}, 2022 }, "CN=bar.com,O=Gopher Industries"}, 2023 {pkix.Name{ 2024 Locality: []string{"Gophertown"}, 2025 ExtraNames: []pkix.AttributeTypeAndValue{ 2026 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2027 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2028 } 2029 2030 for i, test := range tests { 2031 if got := test.dn.String(); got != test.want { 2032 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2033 } 2034 } 2035} 2036 2037func TestRDNSequenceString(t *testing.T) { 2038 // Test some extra cases that get lost in pkix.Name conversions such as 2039 // multi-valued attributes. 2040 2041 var ( 2042 oidCountry = []int{2, 5, 4, 6} 2043 oidOrganization = []int{2, 5, 4, 10} 2044 oidOrganizationalUnit = []int{2, 5, 4, 11} 2045 oidCommonName = []int{2, 5, 4, 3} 2046 ) 2047 2048 tests := []struct { 2049 seq pkix.RDNSequence 2050 want string 2051 }{ 2052 { 2053 seq: pkix.RDNSequence{ 2054 pkix.RelativeDistinguishedNameSET{ 2055 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"}, 2056 }, 2057 pkix.RelativeDistinguishedNameSET{ 2058 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."}, 2059 }, 2060 pkix.RelativeDistinguishedNameSET{ 2061 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"}, 2062 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"}, 2063 }, 2064 }, 2065 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US", 2066 }, 2067 } 2068 2069 for i, test := range tests { 2070 if got := test.seq.String(); got != test.want { 2071 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2072 } 2073 } 2074} 2075 2076const criticalNameConstraintWithUnknownTypePEM = ` 2077-----BEGIN CERTIFICATE----- 2078MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2079dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2080NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2081IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2082F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2083f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2084Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2085LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2086blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2087AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A 2088AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy 2089im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ 2090Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl 2091eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA 2092/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO 2093ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV 2094/g== 2095-----END CERTIFICATE-----` 2096 2097func TestCriticalNameConstraintWithUnknownType(t *testing.T) { 2098 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM)) 2099 cert, err := ParseCertificate(block.Bytes) 2100 if err != nil { 2101 t.Fatalf("unexpected parsing failure: %s", err) 2102 } 2103 2104 if l := len(cert.UnhandledCriticalExtensions); l != 1 { 2105 t.Fatalf("expected one unhandled critical extension, but found %d", l) 2106 } 2107} 2108 2109const badIPMaskPEM = ` 2110-----BEGIN CERTIFICATE----- 2111MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk 2112IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow 2113FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 2114ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+ 21158DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj 2116cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn 2117cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j 2118TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa 2119OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg 2120DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B 2121IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV 2122EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7 2123VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh 2124E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a 2125Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI 2126pdX+ 2127-----END CERTIFICATE-----` 2128 2129func TestBadIPMask(t *testing.T) { 2130 block, _ := pem.Decode([]byte(badIPMaskPEM)) 2131 _, err := ParseCertificate(block.Bytes) 2132 if err == nil { 2133 t.Fatalf("unexpected success") 2134 } 2135 2136 const expected = "contained invalid mask" 2137 if !strings.Contains(err.Error(), expected) { 2138 t.Fatalf("expected %q in error but got: %s", expected, err) 2139 } 2140} 2141 2142const additionalGeneralSubtreePEM = ` 2143-----BEGIN CERTIFICATE----- 2144MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw 2145bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2146MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg 2147QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow 2148bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT 2149GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC 2150cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW 21514kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M 21528FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD 2153dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs 2154Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/ 2155rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG 2156Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr 2157BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w 2158N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw 2159AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs 2160aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK 2161YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl 2162Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH 2163AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv 2164MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k 2165ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw 2166LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2167gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE 2168EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB 2169AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA 2170A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng 21715YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB 2172dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn 21736OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6 21748vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE 2175u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW 2176i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc 2177fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo 2178QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq 2179nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD 2180xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw== 2181-----END CERTIFICATE-----` 2182 2183func TestAdditionFieldsInGeneralSubtree(t *testing.T) { 2184 // Very rarely, certificates can include additional fields in the 2185 // GeneralSubtree structure. This tests that such certificates can be 2186 // parsed. 2187 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM)) 2188 if _, err := ParseCertificate(block.Bytes); err != nil { 2189 t.Fatalf("failed to parse certificate: %s", err) 2190 } 2191} 2192 2193func TestEmptySubject(t *testing.T) { 2194 template := Certificate{ 2195 SerialNumber: big.NewInt(1), 2196 DNSNames: []string{"example.com"}, 2197 } 2198 2199 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey) 2200 if err != nil { 2201 t.Fatalf("failed to create certificate: %s", err) 2202 } 2203 2204 cert, err := ParseCertificate(derBytes) 2205 if err != nil { 2206 t.Fatalf("failed to parse certificate: %s", err) 2207 } 2208 2209 for _, ext := range cert.Extensions { 2210 if ext.Id.Equal(oidExtensionSubjectAltName) { 2211 if !ext.Critical { 2212 t.Fatal("SAN extension is not critical") 2213 } 2214 return 2215 } 2216 } 2217 2218 t.Fatal("SAN extension is missing") 2219} 2220 2221// multipleURLsInCRLDPPEM contains two URLs in a single CRL DistributionPoint 2222// structure. It is taken from https://crt.sh/?id=12721534. 2223const multipleURLsInCRLDPPEM = ` 2224-----BEGIN CERTIFICATE----- 2225MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB 22268zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy 2227dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1 2228YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3 2229dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh 2230IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD 2231LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG 2232EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg 2233Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj 2234YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA 2235A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y 2236TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak 2237YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL 2238Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW 2239jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ 2240OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV 2241HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI 2242oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w 2243gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93 2244d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1 2245ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg 2246YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h 2247b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF 2248BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn 2249aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v 2250ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA 2251A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL 2252PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex 22533Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu 2254labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6 2255oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+ 2256eVxXDTCfs7GUlxnjOp5j559X/N0A 2257-----END CERTIFICATE----- 2258` 2259 2260func TestMultipleURLsInCRLDP(t *testing.T) { 2261 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM)) 2262 cert, err := ParseCertificate(block.Bytes) 2263 if err != nil { 2264 t.Fatalf("failed to parse certificate: %s", err) 2265 } 2266 2267 want := []string{ 2268 "http://epscd.catcert.net/crl/ec-acc.crl", 2269 "http://epscd2.catcert.net/crl/ec-acc.crl", 2270 } 2271 if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) { 2272 t.Errorf("CRL distribution points = %#v, want #%v", got, want) 2273 } 2274} 2275 2276const hexPKCS1TestPKCS8Key = "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" 2277const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50" 2278 2279var pkcs1MismatchKeyTests = []struct { 2280 hexKey string 2281 errorContains string 2282}{ 2283 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"}, 2284 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"}, 2285} 2286 2287func TestPKCS1MismatchKeyFormat(t *testing.T) { 2288 for i, test := range pkcs1MismatchKeyTests { 2289 derBytes, _ := hex.DecodeString(test.hexKey) 2290 _, err := ParsePKCS1PrivateKey(derBytes) 2291 if !strings.Contains(err.Error(), test.errorContains) { 2292 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err) 2293 } 2294 } 2295} 2296