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" 10 "crypto/dsa" 11 "crypto/ecdh" 12 "crypto/ecdsa" 13 "crypto/ed25519" 14 "crypto/elliptic" 15 "crypto/rand" 16 "crypto/rsa" 17 _ "crypto/sha256" 18 _ "crypto/sha512" 19 "crypto/x509/pkix" 20 "encoding/asn1" 21 "encoding/base64" 22 "encoding/gob" 23 "encoding/hex" 24 "encoding/pem" 25 "fmt" 26 "internal/testenv" 27 "io" 28 "math" 29 "math/big" 30 "net" 31 "net/url" 32 "os/exec" 33 "reflect" 34 "runtime" 35 "slices" 36 "strings" 37 "testing" 38 "time" 39) 40 41func TestParsePKCS1PrivateKey(t *testing.T) { 42 block, _ := pem.Decode([]byte(pemPrivateKey)) 43 priv, err := ParsePKCS1PrivateKey(block.Bytes) 44 if err != nil { 45 t.Errorf("Failed to parse private key: %s", err) 46 return 47 } 48 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 || 49 priv.PublicKey.E != rsaPrivateKey.PublicKey.E || 50 priv.D.Cmp(rsaPrivateKey.D) != 0 || 51 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 || 52 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 { 53 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey) 54 } 55 56 // This private key includes an invalid prime that 57 // rsa.PrivateKey.Validate should reject. 58 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00") 59 if _, err := ParsePKCS1PrivateKey(data); err == nil { 60 t.Errorf("parsing invalid private key did not result in an error") 61 } 62} 63 64func TestPKCS1MismatchPublicKeyFormat(t *testing.T) { 65 66 const pkixPublicKey = "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" 67 const errorContains = "use ParsePKIXPublicKey instead" 68 derBytes, _ := hex.DecodeString(pkixPublicKey) 69 _, err := ParsePKCS1PublicKey(derBytes) 70 if !strings.Contains(err.Error(), errorContains) { 71 t.Errorf("expected error containing %q, got %s", errorContains, err) 72 } 73} 74 75func TestMarshalInvalidPublicKey(t *testing.T) { 76 _, err := MarshalPKIXPublicKey(&ecdsa.PublicKey{}) 77 if err == nil { 78 t.Errorf("expected error, got MarshalPKIXPublicKey success") 79 } 80 _, err = MarshalPKIXPublicKey(&ecdsa.PublicKey{ 81 Curve: elliptic.P256(), 82 X: big.NewInt(1), Y: big.NewInt(2), 83 }) 84 if err == nil { 85 t.Errorf("expected error, got MarshalPKIXPublicKey success") 86 } 87} 88 89func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) { 90 block, _ := pem.Decode([]byte(pemBytes)) 91 pub, err := ParsePKIXPublicKey(block.Bytes) 92 if err != nil { 93 t.Fatalf("Failed to parse public key: %s", err) 94 } 95 96 pubBytes2, err := MarshalPKIXPublicKey(pub) 97 if err != nil { 98 t.Errorf("Failed to marshal public key for the second time: %s", err) 99 return 100 } 101 if !bytes.Equal(pubBytes2, block.Bytes) { 102 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes) 103 } 104 return 105} 106 107func TestParsePKIXPublicKey(t *testing.T) { 108 t.Run("RSA", func(t *testing.T) { 109 pub := testParsePKIXPublicKey(t, pemPublicKey) 110 _, ok := pub.(*rsa.PublicKey) 111 if !ok { 112 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key") 113 } 114 }) 115 t.Run("Ed25519", func(t *testing.T) { 116 pub := testParsePKIXPublicKey(t, pemEd25519Key) 117 _, ok := pub.(ed25519.PublicKey) 118 if !ok { 119 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key") 120 } 121 }) 122 t.Run("X25519", func(t *testing.T) { 123 pub := testParsePKIXPublicKey(t, pemX25519Key) 124 k, ok := pub.(*ecdh.PublicKey) 125 if !ok || k.Curve() != ecdh.X25519() { 126 t.Errorf("Value returned from ParsePKIXPublicKey was not an X25519 public key") 127 } 128 }) 129} 130 131var pemPublicKey = `-----BEGIN PUBLIC KEY----- 132MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+ 133wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k 134enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ 135FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg 136fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR 137FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ 138+QIDAQAB 139-----END PUBLIC KEY----- 140` 141 142var pemPrivateKey = testingKey(` 143-----BEGIN RSA TESTING KEY----- 144MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v 145IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7 146J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB 147AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1 148V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd 1497gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R 150vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12 15133QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS 152rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi 153MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX 154AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo 1556vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6 156wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY= 157-----END RSA TESTING KEY----- 158`) 159 160// pemEd25519Key is the example from RFC 8410, Section 4. 161var pemEd25519Key = ` 162-----BEGIN PUBLIC KEY----- 163MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE= 164-----END PUBLIC KEY----- 165` 166 167// pemX25519Key was generated from pemX25519Key with "openssl pkey -pubout". 168var pemX25519Key = ` 169-----BEGIN PUBLIC KEY----- 170MCowBQYDK2VuAyEA5yGXrH/6OzxuWEhEWS01/f4OP+Of3Yrddy6/J1kDTVM= 171-----END PUBLIC KEY----- 172` 173 174func TestPKIXMismatchPublicKeyFormat(t *testing.T) { 175 176 const pkcs1PublicKey = "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" 177 const errorContains = "use ParsePKCS1PublicKey instead" 178 derBytes, _ := hex.DecodeString(pkcs1PublicKey) 179 _, err := ParsePKIXPublicKey(derBytes) 180 if !strings.Contains(err.Error(), errorContains) { 181 t.Errorf("expected error containing %q, got %s", errorContains, err) 182 } 183} 184 185var testPrivateKey *rsa.PrivateKey 186 187func init() { 188 block, _ := pem.Decode([]byte(pemPrivateKey)) 189 190 var err error 191 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil { 192 panic("Failed to parse private key: " + err.Error()) 193 } 194} 195 196func bigFromString(s string) *big.Int { 197 ret := new(big.Int) 198 ret.SetString(s, 10) 199 return ret 200} 201 202func fromBase10(base10 string) *big.Int { 203 i := new(big.Int) 204 i.SetString(base10, 10) 205 return i 206} 207 208func bigFromHexString(s string) *big.Int { 209 ret := new(big.Int) 210 ret.SetString(s, 16) 211 return ret 212} 213 214var rsaPrivateKey = &rsa.PrivateKey{ 215 PublicKey: rsa.PublicKey{ 216 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"), 217 E: 65537, 218 }, 219 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"), 220 Primes: []*big.Int{ 221 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"), 222 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"), 223 }, 224} 225 226func TestMarshalRSAPrivateKey(t *testing.T) { 227 priv := &rsa.PrivateKey{ 228 PublicKey: rsa.PublicKey{ 229 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 230 E: 3, 231 }, 232 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"), 233 Primes: []*big.Int{ 234 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"), 235 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"), 236 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"), 237 }, 238 } 239 240 derBytes := MarshalPKCS1PrivateKey(priv) 241 242 priv2, err := ParsePKCS1PrivateKey(derBytes) 243 if err != nil { 244 t.Errorf("error parsing serialized key: %s", err) 245 return 246 } 247 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 || 248 priv.PublicKey.E != priv2.PublicKey.E || 249 priv.D.Cmp(priv2.D) != 0 || 250 len(priv2.Primes) != 3 || 251 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 || 252 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 || 253 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 { 254 t.Errorf("got:%+v want:%+v", priv, priv2) 255 } 256} 257 258func TestMarshalRSAPublicKey(t *testing.T) { 259 pub := &rsa.PublicKey{ 260 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 261 E: 3, 262 } 263 derBytes := MarshalPKCS1PublicKey(pub) 264 pub2, err := ParsePKCS1PublicKey(derBytes) 265 if err != nil { 266 t.Errorf("ParsePKCS1PublicKey: %s", err) 267 } 268 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E { 269 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2) 270 } 271 272 // It's never been documented that asn1.Marshal/Unmarshal on rsa.PublicKey works, 273 // but it does, and we know of code that depends on it. 274 // Lock that in, even though we'd prefer that people use MarshalPKCS1PublicKey and ParsePKCS1PublicKey. 275 derBytes2, err := asn1.Marshal(*pub) 276 if err != nil { 277 t.Errorf("Marshal(rsa.PublicKey): %v", err) 278 } else if !bytes.Equal(derBytes, derBytes2) { 279 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes) 280 } 281 pub3 := new(rsa.PublicKey) 282 rest, err := asn1.Unmarshal(derBytes, pub3) 283 if err != nil { 284 t.Errorf("Unmarshal(rsa.PublicKey): %v", err) 285 } 286 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E { 287 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil)) 288 } 289 290 publicKeys := []struct { 291 derBytes []byte 292 expectedErrSubstr string 293 }{ 294 { 295 derBytes: []byte{ 296 0x30, 6, // SEQUENCE, 6 bytes 297 0x02, 1, // INTEGER, 1 byte 298 17, 299 0x02, 1, // INTEGER, 1 byte 300 3, // 3 301 }, 302 }, { 303 derBytes: []byte{ 304 0x30, 6, // SEQUENCE 305 0x02, 1, // INTEGER, 1 byte 306 0xff, // -1 307 0x02, 1, // INTEGER, 1 byte 308 3, 309 }, 310 expectedErrSubstr: "zero or negative", 311 }, { 312 derBytes: []byte{ 313 0x30, 6, // SEQUENCE 314 0x02, 1, // INTEGER, 1 byte 315 17, 316 0x02, 1, // INTEGER, 1 byte 317 0xff, // -1 318 }, 319 expectedErrSubstr: "zero or negative", 320 }, { 321 derBytes: []byte{ 322 0x30, 6, // SEQUENCE 323 0x02, 1, // INTEGER, 1 byte 324 17, 325 0x02, 1, // INTEGER, 1 byte 326 3, 327 1, 328 }, 329 expectedErrSubstr: "trailing data", 330 }, { 331 derBytes: []byte{ 332 0x30, 9, // SEQUENCE 333 0x02, 1, // INTEGER, 1 byte 334 17, 335 0x02, 4, // INTEGER, 4 bytes 336 0x7f, 0xff, 0xff, 0xff, 337 }, 338 }, { 339 derBytes: []byte{ 340 0x30, 10, // SEQUENCE 341 0x02, 1, // INTEGER, 1 byte 342 17, 343 0x02, 5, // INTEGER, 5 bytes 344 0x00, 0x80, 0x00, 0x00, 0x00, 345 }, 346 // On 64-bit systems, encoding/asn1 will accept the 347 // public exponent, but ParsePKCS1PublicKey will return 348 // an error. On 32-bit systems, encoding/asn1 will 349 // return the error. The common substring of both error 350 // is the word “large”. 351 expectedErrSubstr: "large", 352 }, 353 } 354 355 for i, test := range publicKeys { 356 shouldFail := len(test.expectedErrSubstr) > 0 357 pub, err := ParsePKCS1PublicKey(test.derBytes) 358 if shouldFail { 359 if err == nil { 360 t.Errorf("#%d: unexpected success, got %#v", i, pub) 361 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) { 362 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err) 363 } 364 } else { 365 if err != nil { 366 t.Errorf("#%d: unexpected failure: %s", i, err) 367 continue 368 } 369 reserialized := MarshalPKCS1PublicKey(pub) 370 if !bytes.Equal(reserialized, test.derBytes) { 371 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes) 372 } 373 } 374 } 375} 376 377type matchHostnamesTest struct { 378 pattern, host string 379 ok bool 380} 381 382var matchHostnamesTests = []matchHostnamesTest{ 383 {"a.b.c", "a.b.c", true}, 384 {"a.b.c", "b.b.c", false}, 385 {"", "b.b.c", false}, 386 {"a.b.c", "", false}, 387 {"example.com", "example.com", true}, 388 {"example.com", "www.example.com", false}, 389 {"*.example.com", "example.com", false}, 390 {"*.example.com", "www.example.com", true}, 391 {"*.example.com", "www.example.com.", true}, 392 {"*.example.com", "xyz.www.example.com", false}, 393 {"*.example.com", "https://www.example.com", false}, // Issue 27591 394 {"*.example..com", "www.example..com", false}, 395 {"www.example..com", "www.example..com", true}, 396 {"*.*.example.com", "xyz.www.example.com", false}, 397 {"*.www.*.com", "xyz.www.example.com", false}, 398 {"*bar.example.com", "foobar.example.com", false}, 399 {"f*.example.com", "foobar.example.com", false}, 400 {"www.example.com", "*.example.com", false}, 401 {"", ".", false}, 402 {".", "", false}, 403 {".", ".", false}, 404 {"example.com", "example.com.", true}, 405 {"example.com.", "example.com", false}, 406 {"example.com.", "example.com.", true}, // perfect matches allow trailing dots in patterns 407 {"*.com.", "example.com.", false}, 408 {"*.com.", "example.com", false}, 409 {"*.com", "example.com", true}, 410 {"*.com", "example.com.", true}, 411 {"foo:bar", "foo:bar", true}, 412 {"*.foo:bar", "xxx.foo:bar", false}, 413 {"*.2.3.4", "1.2.3.4", false}, 414 {"*.2.3.4", "[1.2.3.4]", false}, 415 {"*:4860:4860::8888", "2001:4860:4860::8888", false}, 416 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false}, 417 {"2001:4860:4860::8888", "2001:4860:4860::8888", false}, 418 {"2001:4860:4860::8888", "[2001:4860:4860::8888]", false}, 419 {"[2001:4860:4860::8888]", "2001:4860:4860::8888", false}, 420 {"[2001:4860:4860::8888]", "[2001:4860:4860::8888]", false}, 421} 422 423func TestMatchHostnames(t *testing.T) { 424 for i, test := range matchHostnamesTests { 425 c := &Certificate{DNSNames: []string{test.pattern}} 426 r := c.VerifyHostname(test.host) == nil 427 if r != test.ok { 428 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern) 429 } 430 } 431} 432 433func TestMatchIP(t *testing.T) { 434 // Check that pattern matching is working. 435 c := &Certificate{ 436 DNSNames: []string{"*.foo.bar.baz"}, 437 Subject: pkix.Name{ 438 CommonName: "*.foo.bar.baz", 439 }, 440 } 441 err := c.VerifyHostname("quux.foo.bar.baz") 442 if err != nil { 443 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err) 444 } 445 446 // But check that if we change it to be matching against an IP address, 447 // it is rejected. 448 c = &Certificate{ 449 DNSNames: []string{"*.2.3.4"}, 450 Subject: pkix.Name{ 451 CommonName: "*.2.3.4", 452 }, 453 } 454 err = c.VerifyHostname("1.2.3.4") 455 if err == nil { 456 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not") 457 } 458 459 c = &Certificate{ 460 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")}, 461 } 462 err = c.VerifyHostname("127.0.0.1") 463 if err != nil { 464 t.Fatalf("VerifyHostname(127.0.0.1): %v", err) 465 } 466 err = c.VerifyHostname("::1") 467 if err != nil { 468 t.Fatalf("VerifyHostname(::1): %v", err) 469 } 470 err = c.VerifyHostname("[::1]") 471 if err != nil { 472 t.Fatalf("VerifyHostname([::1]): %v", err) 473 } 474} 475 476func TestCertificateParse(t *testing.T) { 477 s, _ := base64.StdEncoding.DecodeString(certBytes) 478 certs, err := ParseCertificates(s) 479 if err != nil { 480 t.Error(err) 481 } 482 if len(certs) != 2 { 483 t.Errorf("Wrong number of certs: got %d want 2", len(certs)) 484 return 485 } 486 487 err = certs[0].CheckSignatureFrom(certs[1]) 488 if err != nil { 489 t.Error(err) 490 } 491 492 if err := certs[0].VerifyHostname("mail.google.com"); err != nil { 493 t.Error(err) 494 } 495 496 const expectedExtensions = 10 497 if n := len(certs[0].Extensions); n != expectedExtensions { 498 t.Errorf("want %d extensions, got %d", expectedExtensions, n) 499 } 500} 501 502func TestCertificateEqualOnNil(t *testing.T) { 503 cNonNil := new(Certificate) 504 var cNil1, cNil2 *Certificate 505 if !cNil1.Equal(cNil2) { 506 t.Error("Nil certificates: cNil1 is not equal to cNil2") 507 } 508 if !cNil2.Equal(cNil1) { 509 t.Error("Nil certificates: cNil2 is not equal to cNil1") 510 } 511 if cNil1.Equal(cNonNil) { 512 t.Error("Unexpectedly cNil1 is equal to cNonNil") 513 } 514 if cNonNil.Equal(cNil1) { 515 t.Error("Unexpectedly cNonNil is equal to cNil1") 516 } 517} 518 519func TestMismatchedSignatureAlgorithm(t *testing.T) { 520 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM)) 521 if der == nil { 522 t.Fatal("Failed to find PEM block") 523 } 524 525 cert, err := ParseCertificate(der.Bytes) 526 if err != nil { 527 t.Fatal(err) 528 } 529 530 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil { 531 t.Fatal("CheckSignature unexpectedly return no error") 532 } 533 534 const expectedSubstring = " but have public key of type " 535 if !strings.Contains(err.Error(), expectedSubstring) { 536 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err) 537 } 538} 539 540var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" + 541 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" + 542 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" + 543 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" + 544 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" + 545 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" + 546 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" + 547 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" + 548 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" + 549 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" + 550 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" + 551 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" + 552 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" + 553 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" + 554 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" + 555 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" + 556 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" + 557 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" + 558 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" + 559 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" + 560 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" + 561 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" + 562 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" + 563 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" + 564 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" + 565 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" + 566 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" + 567 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" + 568 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" + 569 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" + 570 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" + 571 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" + 572 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" + 573 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" + 574 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" + 575 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" + 576 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" + 577 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" + 578 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" + 579 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" + 580 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" + 581 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" + 582 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" + 583 "t63yr/tQri/hlQ3zRq2dnPXK" 584 585func parseCIDR(s string) *net.IPNet { 586 _, net, err := net.ParseCIDR(s) 587 if err != nil { 588 panic(err) 589 } 590 return net 591} 592 593func parseURI(s string) *url.URL { 594 uri, err := url.Parse(s) 595 if err != nil { 596 panic(err) 597 } 598 return uri 599} 600 601func TestCreateSelfSignedCertificate(t *testing.T) { 602 random := rand.Reader 603 604 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 605 if err != nil { 606 t.Fatalf("Failed to generate ECDSA key: %s", err) 607 } 608 609 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random) 610 if err != nil { 611 t.Fatalf("Failed to generate Ed25519 key: %s", err) 612 } 613 614 tests := []struct { 615 name string 616 pub, priv any 617 checkSig bool 618 sigAlgo SignatureAlgorithm 619 }{ 620 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA}, 621 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 622 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA}, 623 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256}, 624 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS}, 625 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS}, 626 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 627 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519}, 628 } 629 630 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth} 631 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}} 632 extraExtensionData := []byte("extra extension") 633 634 for _, test := range tests { 635 commonName := "test.example.com" 636 template := Certificate{ 637 SerialNumber: big.NewInt(1), 638 Subject: pkix.Name{ 639 CommonName: commonName, 640 Organization: []string{"Σ Acme Co"}, 641 Country: []string{"US"}, 642 ExtraNames: []pkix.AttributeTypeAndValue{ 643 { 644 Type: []int{2, 5, 4, 42}, 645 Value: "Gopher", 646 }, 647 // This should override the Country, above. 648 { 649 Type: []int{2, 5, 4, 6}, 650 Value: "NL", 651 }, 652 }, 653 }, 654 NotBefore: time.Unix(1000, 0), 655 NotAfter: time.Unix(100000, 0), 656 657 SignatureAlgorithm: test.sigAlgo, 658 659 SubjectKeyId: []byte{1, 2, 3, 4}, 660 KeyUsage: KeyUsageCertSign, 661 662 ExtKeyUsage: testExtKeyUsage, 663 UnknownExtKeyUsage: testUnknownExtKeyUsage, 664 665 BasicConstraintsValid: true, 666 IsCA: true, 667 668 OCSPServer: []string{"http://ocsp.example.com"}, 669 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"}, 670 671 DNSNames: []string{"test.example.com"}, 672 EmailAddresses: []string{"[email protected]"}, 673 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 674 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")}, 675 676 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, 677 Policies: []OID{mustNewOIDFromInts(t, []uint64{1, 2, 3, math.MaxUint32, math.MaxUint64})}, 678 PermittedDNSDomains: []string{".example.com", "example.com"}, 679 ExcludedDNSDomains: []string{"bar.example.com"}, 680 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")}, 681 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")}, 682 PermittedEmailAddresses: []string{"[email protected]"}, 683 ExcludedEmailAddresses: []string{".example.com", "example.com"}, 684 PermittedURIDomains: []string{".bar.com", "bar.com"}, 685 ExcludedURIDomains: []string{".bar2.com", "bar2.com"}, 686 687 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"}, 688 689 ExtraExtensions: []pkix.Extension{ 690 { 691 Id: []int{1, 2, 3, 4}, 692 Value: extraExtensionData, 693 }, 694 // This extension should override the SubjectKeyId, above. 695 { 696 Id: oidExtensionSubjectKeyId, 697 Critical: false, 698 Value: []byte{0x04, 0x04, 4, 3, 2, 1}, 699 }, 700 }, 701 } 702 703 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv) 704 if err != nil { 705 t.Errorf("%s: failed to create certificate: %s", test.name, err) 706 continue 707 } 708 709 cert, err := ParseCertificate(derBytes) 710 if err != nil { 711 t.Errorf("%s: failed to parse certificate: %s", test.name, err) 712 continue 713 } 714 715 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) { 716 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers) 717 } 718 719 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" { 720 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains) 721 } 722 723 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" { 724 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains) 725 } 726 727 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" { 728 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges) 729 } 730 731 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" { 732 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges) 733 } 734 735 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "[email protected]" { 736 t.Errorf("%s: failed to parse permitted email addresses: %#v", test.name, cert.PermittedEmailAddresses) 737 } 738 739 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" { 740 t.Errorf("%s: failed to parse excluded email addresses: %#v", test.name, cert.ExcludedEmailAddresses) 741 } 742 743 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" { 744 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains) 745 } 746 747 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" { 748 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains) 749 } 750 751 if cert.Subject.CommonName != commonName { 752 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName) 753 } 754 755 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" { 756 t.Errorf("%s: ExtraNames didn't override Country", test.name) 757 } 758 759 for _, ext := range cert.Extensions { 760 if ext.Id.Equal(oidExtensionSubjectAltName) { 761 if ext.Critical { 762 t.Fatal("SAN extension is marked critical") 763 } 764 } 765 } 766 767 found := false 768 for _, atv := range cert.Subject.Names { 769 if atv.Type.Equal([]int{2, 5, 4, 42}) { 770 found = true 771 break 772 } 773 } 774 if !found { 775 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name) 776 } 777 778 if cert.Issuer.CommonName != commonName { 779 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName) 780 } 781 782 if cert.SignatureAlgorithm != test.sigAlgo { 783 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo) 784 } 785 786 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) { 787 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage) 788 } 789 790 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) { 791 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) 792 } 793 794 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) { 795 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer) 796 } 797 798 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) { 799 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL) 800 } 801 802 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) { 803 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames) 804 } 805 806 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) { 807 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses) 808 } 809 810 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" { 811 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs) 812 } 813 814 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) { 815 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses) 816 } 817 818 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) { 819 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints) 820 } 821 822 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) { 823 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name) 824 } 825 826 if !bytes.Contains(derBytes, extraExtensionData) { 827 t.Errorf("%s: didn't find extra extension in DER output", test.name) 828 } 829 830 if test.checkSig { 831 err = cert.CheckSignatureFrom(cert) 832 if err != nil { 833 t.Errorf("%s: signature verification failed: %s", test.name, err) 834 } 835 } 836 } 837} 838 839// Self-signed certificate using ECDSA with SHA1 & secp256r1 840var ecdsaSHA1CertPem = ` 841-----BEGIN CERTIFICATE----- 842MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET 843MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG 844A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 845CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw 846WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 847b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg 848SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv 849bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn 850WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3 851P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2 852DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV 853a/A= 854-----END CERTIFICATE----- 855` 856 857// Self-signed certificate using ECDSA with SHA256 & secp256r1 858var ecdsaSHA256p256CertPem = ` 859-----BEGIN CERTIFICATE----- 860MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx 861EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT 862BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh 863BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx 864NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp 865Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs 866IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn 867b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt 8682ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm 869YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV 87070twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ 871h5wi 872-----END CERTIFICATE----- 873` 874 875// Self-signed certificate using ECDSA with SHA256 & secp384r1 876var ecdsaSHA256p384CertPem = ` 877-----BEGIN CERTIFICATE----- 878MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx 879EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 880BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 881CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0 882WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 883b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 884SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 885YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK 886jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze 887qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI 888zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr 889PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh 8903yILeYQzllt/g0rKVRk= 891-----END CERTIFICATE----- 892` 893 894// Self-signed certificate using ECDSA with SHA384 & secp521r1 895var ecdsaSHA384p521CertPem = ` 896-----BEGIN CERTIFICATE----- 897MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx 898EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 899BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 900CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5 901WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 902b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 903SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 904YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv 905IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz 906PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm 9078FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw 908gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH 909BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh 910kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa 911-----END CERTIFICATE----- 912` 913 914var ecdsaTests = []struct { 915 sigAlgo SignatureAlgorithm 916 pemCert string 917}{ 918 {ECDSAWithSHA256, ecdsaSHA256p256CertPem}, 919 {ECDSAWithSHA256, ecdsaSHA256p384CertPem}, 920 {ECDSAWithSHA384, ecdsaSHA384p521CertPem}, 921} 922 923func TestECDSA(t *testing.T) { 924 for i, test := range ecdsaTests { 925 pemBlock, _ := pem.Decode([]byte(test.pemCert)) 926 cert, err := ParseCertificate(pemBlock.Bytes) 927 if err != nil { 928 t.Errorf("%d: failed to parse certificate: %s", i, err) 929 continue 930 } 931 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo { 932 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo) 933 } 934 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok { 935 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey) 936 } 937 if pka := cert.PublicKeyAlgorithm; pka != ECDSA { 938 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka) 939 } 940 if err = cert.CheckSignatureFrom(cert); err != nil { 941 t.Errorf("%d: certificate verification failed: %s", i, err) 942 } 943 } 944} 945 946// Self-signed certificate using DSA with SHA1 947var dsaCertPem = `-----BEGIN CERTIFICATE----- 948MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC 949VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds 950ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs 951bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5 952MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG 953A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3 954DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB 955gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN 9568lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW 957jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5 958Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC 959X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz 960kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE 961AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5 962LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c 963bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud 964DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11 965ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w 966DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK 967b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx 968z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI 9697ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM 970-----END CERTIFICATE----- 971` 972 973func TestParseCertificateWithDsaPublicKey(t *testing.T) { 974 expectedKey := &dsa.PublicKey{ 975 Parameters: dsa.Parameters{ 976 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"), 977 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"), 978 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"), 979 }, 980 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"), 981 } 982 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 983 cert, err := ParseCertificate(pemBlock.Bytes) 984 if err != nil { 985 t.Fatalf("Failed to parse certificate: %s", err) 986 } 987 if cert.PublicKeyAlgorithm != DSA { 988 t.Errorf("Parsed key algorithm was not DSA") 989 } 990 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey) 991 if !ok { 992 t.Fatalf("Parsed key was not a DSA key: %s", err) 993 } 994 if expectedKey.Y.Cmp(parsedKey.Y) != 0 || 995 expectedKey.P.Cmp(parsedKey.P) != 0 || 996 expectedKey.Q.Cmp(parsedKey.Q) != 0 || 997 expectedKey.G.Cmp(parsedKey.G) != 0 { 998 t.Fatal("Parsed key differs from expected key") 999 } 1000} 1001 1002func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) { 1003 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 1004 cert, err := ParseCertificate(pemBlock.Bytes) 1005 if err != nil { 1006 t.Fatalf("Failed to parse certificate: %s", err) 1007 } 1008 if cert.SignatureAlgorithm != DSAWithSHA1 { 1009 t.Errorf("Parsed signature algorithm was not DSAWithSHA1") 1010 } 1011} 1012 1013func TestVerifyCertificateWithDSASignature(t *testing.T) { 1014 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 1015 cert, err := ParseCertificate(pemBlock.Bytes) 1016 if err != nil { 1017 t.Fatalf("Failed to parse certificate: %s", err) 1018 } 1019 // test cert is self-signed 1020 if err = cert.CheckSignatureFrom(cert); err == nil { 1021 t.Fatalf("Expected error verifying DSA certificate") 1022 } 1023} 1024 1025var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE----- 1026MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA 1027oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC 1028SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1029aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1030U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC 1031SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1032aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1033U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST 10348nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl 1035yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W 1036PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj 10377TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT 1038UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn 1039defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK 1040bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es 1041yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS 10427nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek 1043tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE 1044qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV 1045Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP 1046fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg 1047hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC 1048AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n 1049li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR 1050TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3 1051kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66 1052U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c 105315gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv 1054C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN 10552BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO 1056FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9 1057qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2 1058+f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q== 1059-----END CERTIFICATE-----` 1060 1061// openssl req -newkey rsa:2048 -keyout test.key -sha256 -sigopt \ 1062// rsa_padding_mode:pss -sigopt rsa_pss_saltlen:32 -sigopt rsa_mgf1_md:sha256 \ 1063// -x509 -days 3650 -nodes -subj '/C=US/ST=CA/L=SF/O=Test/CN=Test' -out \ 1064// test.pem 1065var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE----- 1066MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI 1067AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV 1068BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx 1069DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF 1070MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK 1071DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB 1072CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp 1073qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj 1074TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM 1075+ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0 1076iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G 1077RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg 1078gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw 1079DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa 1080MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe 1081WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s 1082Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/ 1083656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6 1084wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w 1085Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J 1086+w9fjQ== 1087-----END CERTIFICATE-----` 1088 1089func TestRSAPSSSelfSigned(t *testing.T) { 1090 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} { 1091 der, _ := pem.Decode([]byte(pemBlock)) 1092 if der == nil { 1093 t.Errorf("#%d: failed to find PEM block", i) 1094 continue 1095 } 1096 1097 cert, err := ParseCertificate(der.Bytes) 1098 if err != nil { 1099 t.Errorf("#%d: failed to parse: %s", i, err) 1100 continue 1101 } 1102 1103 if err = cert.CheckSignatureFrom(cert); err != nil { 1104 t.Errorf("#%d: signature check failed: %s", i, err) 1105 continue 1106 } 1107 } 1108} 1109 1110const ed25519Certificate = ` 1111Certificate: 1112 Data: 1113 Version: 3 (0x2) 1114 Serial Number: 1115 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92 1116 Signature Algorithm: ED25519 1117 Issuer: CN = Ed25519 test certificate 1118 Validity 1119 Not Before: May 6 17:27:16 2019 GMT 1120 Not After : Jun 5 17:27:16 2019 GMT 1121 Subject: CN = Ed25519 test certificate 1122 Subject Public Key Info: 1123 Public Key Algorithm: ED25519 1124 ED25519 Public-Key: 1125 pub: 1126 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70: 1127 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a: 1128 3c:fa 1129 X509v3 extensions: 1130 X509v3 Subject Key Identifier: 1131 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1132 X509v3 Authority Key Identifier: 1133 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1134 1135 X509v3 Basic Constraints: critical 1136 CA:TRUE 1137 Signature Algorithm: ED25519 1138 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5: 1139 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5: 1140 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc: 1141 60:b9:d4:f4:78:4b:3c:1c:91:00 1142-----BEGIN CERTIFICATE----- 1143MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf 1144BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa 1145Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp 1146Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6 1147o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU 1148CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT 1149pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U 1150GtKoKNxgudT0eEs8HJEA 1151-----END CERTIFICATE-----` 1152 1153func TestEd25519SelfSigned(t *testing.T) { 1154 der, _ := pem.Decode([]byte(ed25519Certificate)) 1155 if der == nil { 1156 t.Fatalf("Failed to find PEM block") 1157 } 1158 1159 cert, err := ParseCertificate(der.Bytes) 1160 if err != nil { 1161 t.Fatalf("Failed to parse: %s", err) 1162 } 1163 1164 if cert.PublicKeyAlgorithm != Ed25519 { 1165 t.Fatalf("Parsed key algorithm was not Ed25519") 1166 } 1167 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey) 1168 if !ok { 1169 t.Fatalf("Parsed key was not an Ed25519 key: %s", err) 1170 } 1171 if len(parsedKey) != ed25519.PublicKeySize { 1172 t.Fatalf("Invalid Ed25519 key") 1173 } 1174 1175 if err = cert.CheckSignatureFrom(cert); err != nil { 1176 t.Fatalf("Signature check failed: %s", err) 1177 } 1178} 1179 1180const pemCertificate = `-----BEGIN CERTIFICATE----- 1181MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw 1182EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2 1183MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 1184ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4 1185jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH 1186qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK 1187yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB 1188EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I 11895Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF 1190oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC 1191EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7 1192X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6 11931fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai 1194/mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy 1195fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH 1196KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5 1197EhLrEqU= 1198-----END CERTIFICATE-----` 1199 1200const ed25519CRLCertificate = ` 1201Certificate: 1202Data: 1203 Version: 3 (0x2) 1204 Serial Number: 1205 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d 1206 Signature Algorithm: ED25519 1207 Issuer: CN = Ed25519 CRL Test CA 1208 Validity 1209 Not Before: Oct 30 01:20:20 2019 GMT 1210 Not After : Dec 31 23:59:59 9999 GMT 1211 Subject: CN = Ed25519 CRL Test CA 1212 Subject Public Key Info: 1213 Public Key Algorithm: ED25519 1214 ED25519 Public-Key: 1215 pub: 1216 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df: 1217 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f: 1218 75:21 1219 X509v3 extensions: 1220 X509v3 Key Usage: critical 1221 Digital Signature, Certificate Sign, CRL Sign 1222 X509v3 Extended Key Usage: 1223 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing 1224 X509v3 Basic Constraints: critical 1225 CA:TRUE 1226 X509v3 Subject Key Identifier: 1227 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1228 X509v3 Authority Key Identifier: 1229 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1230 1231Signature Algorithm: ED25519 1232 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e: 1233 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5: 1234 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1: 1235 ee:68:76:17:1d:90:cc:92:93:07 1236-----BEGIN CERTIFICATE----- 1237MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE 1238AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz 1239MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl 1240cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud 1241DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF 1242BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK 1243gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+ 1244FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA 12459mDH0e5odhcdkMySkwc= 1246-----END CERTIFICATE-----` 1247 1248var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY----- 1249MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG 1250-----END TEST KEY-----`) 1251 1252func TestCRLCreation(t *testing.T) { 1253 block, _ := pem.Decode([]byte(pemPrivateKey)) 1254 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes) 1255 block, _ = pem.Decode([]byte(pemCertificate)) 1256 certRSA, _ := ParseCertificate(block.Bytes) 1257 1258 block, _ = pem.Decode([]byte(ed25519CRLKey)) 1259 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes) 1260 block, _ = pem.Decode([]byte(ed25519CRLCertificate)) 1261 certEd25519, _ := ParseCertificate(block.Bytes) 1262 1263 tests := []struct { 1264 name string 1265 priv any 1266 cert *Certificate 1267 }{ 1268 {"RSA CA", privRSA, certRSA}, 1269 {"Ed25519 CA", privEd25519, certEd25519}, 1270 } 1271 1272 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds())) 1273 1274 now := time.Unix(1000, 0).In(loc) 1275 nowUTC := now.UTC() 1276 expiry := time.Unix(10000, 0) 1277 1278 revokedCerts := []pkix.RevokedCertificate{ 1279 { 1280 SerialNumber: big.NewInt(1), 1281 RevocationTime: nowUTC, 1282 }, 1283 { 1284 SerialNumber: big.NewInt(42), 1285 // RevocationTime should be converted to UTC before marshaling. 1286 RevocationTime: now, 1287 }, 1288 } 1289 expectedCerts := []pkix.RevokedCertificate{ 1290 { 1291 SerialNumber: big.NewInt(1), 1292 RevocationTime: nowUTC, 1293 }, 1294 { 1295 SerialNumber: big.NewInt(42), 1296 RevocationTime: nowUTC, 1297 }, 1298 } 1299 1300 for _, test := range tests { 1301 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry) 1302 if err != nil { 1303 t.Errorf("%s: error creating CRL: %s", test.name, err) 1304 continue 1305 } 1306 1307 parsedCRL, err := ParseDERCRL(crlBytes) 1308 if err != nil { 1309 t.Errorf("%s: error reparsing CRL: %s", test.name, err) 1310 continue 1311 } 1312 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) { 1313 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name, 1314 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) 1315 } 1316 } 1317} 1318 1319func fromBase64(in string) []byte { 1320 out := make([]byte, base64.StdEncoding.DecodedLen(len(in))) 1321 n, err := base64.StdEncoding.Decode(out, []byte(in)) 1322 if err != nil { 1323 panic("failed to base64 decode") 1324 } 1325 return out[:n] 1326} 1327 1328func TestParseDERCRL(t *testing.T) { 1329 derBytes := fromBase64(derCRLBase64) 1330 certList, err := ParseDERCRL(derBytes) 1331 if err != nil { 1332 t.Errorf("error parsing: %s", err) 1333 return 1334 } 1335 numCerts := len(certList.TBSCertList.RevokedCertificates) 1336 expected := 88 1337 if numCerts != expected { 1338 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1339 } 1340 1341 if certList.HasExpired(time.Unix(1302517272, 0)) { 1342 t.Errorf("CRL has expired (but shouldn't have)") 1343 } 1344 1345 // Can't check the signature here without a package cycle. 1346} 1347 1348func TestCRLWithoutExpiry(t *testing.T) { 1349 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh") 1350 certList, err := ParseDERCRL(derBytes) 1351 if err != nil { 1352 t.Fatal(err) 1353 } 1354 if !certList.TBSCertList.NextUpdate.IsZero() { 1355 t.Errorf("NextUpdate is not the zero value") 1356 } 1357} 1358 1359func TestParsePEMCRL(t *testing.T) { 1360 pemBytes := fromBase64(pemCRLBase64) 1361 certList, err := ParseCRL(pemBytes) 1362 if err != nil { 1363 t.Errorf("error parsing: %s", err) 1364 return 1365 } 1366 numCerts := len(certList.TBSCertList.RevokedCertificates) 1367 expected := 2 1368 if numCerts != expected { 1369 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1370 } 1371 1372 if certList.HasExpired(time.Unix(1302517272, 0)) { 1373 t.Errorf("CRL has expired (but shouldn't have)") 1374 } 1375 1376 // Can't check the signature here without a package cycle. 1377} 1378 1379func TestImports(t *testing.T) { 1380 if testing.Short() { 1381 t.Skip("skipping in -short mode") 1382 } 1383 testenv.MustHaveGoRun(t) 1384 1385 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil { 1386 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out) 1387 } 1388} 1389 1390const derCRLBase64 = "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" 1391 1392const pemCRLBase64 = "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" 1393 1394func TestCreateCertificateRequest(t *testing.T) { 1395 random := rand.Reader 1396 1397 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 1398 if err != nil { 1399 t.Fatalf("Failed to generate ECDSA key: %s", err) 1400 } 1401 1402 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader) 1403 if err != nil { 1404 t.Fatalf("Failed to generate ECDSA key: %s", err) 1405 } 1406 1407 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader) 1408 if err != nil { 1409 t.Fatalf("Failed to generate ECDSA key: %s", err) 1410 } 1411 1412 _, ed25519Priv, err := ed25519.GenerateKey(random) 1413 if err != nil { 1414 t.Fatalf("Failed to generate Ed25519 key: %s", err) 1415 } 1416 1417 tests := []struct { 1418 name string 1419 priv any 1420 sigAlgo SignatureAlgorithm 1421 }{ 1422 {"RSA", testPrivateKey, SHA256WithRSA}, 1423 {"RSA-PSS-SHA256", testPrivateKey, SHA256WithRSAPSS}, 1424 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256}, 1425 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256}, 1426 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256}, 1427 {"Ed25519", ed25519Priv, PureEd25519}, 1428 } 1429 1430 for _, test := range tests { 1431 template := CertificateRequest{ 1432 Subject: pkix.Name{ 1433 CommonName: "test.example.com", 1434 Organization: []string{"Σ Acme Co"}, 1435 }, 1436 SignatureAlgorithm: test.sigAlgo, 1437 DNSNames: []string{"test.example.com"}, 1438 EmailAddresses: []string{"[email protected]"}, 1439 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 1440 } 1441 1442 derBytes, err := CreateCertificateRequest(random, &template, test.priv) 1443 if err != nil { 1444 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1445 continue 1446 } 1447 1448 out, err := ParseCertificateRequest(derBytes) 1449 if err != nil { 1450 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1451 continue 1452 } 1453 1454 err = out.CheckSignature() 1455 if err != nil { 1456 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err) 1457 continue 1458 } 1459 1460 if out.Subject.CommonName != template.Subject.CommonName { 1461 t.Errorf("%s: output subject common name and template subject common name don't match", test.name) 1462 } else if len(out.Subject.Organization) != len(template.Subject.Organization) { 1463 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name) 1464 } else if len(out.DNSNames) != len(template.DNSNames) { 1465 t.Errorf("%s: output DNS names and template DNS names don't match", test.name) 1466 } else if len(out.EmailAddresses) != len(template.EmailAddresses) { 1467 t.Errorf("%s: output email addresses and template email addresses don't match", test.name) 1468 } else if len(out.IPAddresses) != len(template.IPAddresses) { 1469 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name) 1470 } 1471 } 1472} 1473 1474func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest { 1475 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey) 1476 if err != nil { 1477 t.Fatal(err) 1478 } 1479 1480 csr, err := ParseCertificateRequest(derBytes) 1481 if err != nil { 1482 t.Fatal(err) 1483 } 1484 1485 return csr 1486} 1487 1488func TestCertificateRequestOverrides(t *testing.T) { 1489 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil) 1490 if err != nil { 1491 t.Fatal(err) 1492 } 1493 1494 template := CertificateRequest{ 1495 Subject: pkix.Name{ 1496 CommonName: "test.example.com", 1497 Organization: []string{"Σ Acme Co"}, 1498 }, 1499 DNSNames: []string{"test.example.com"}, 1500 1501 // An explicit extension should override the DNSNames from the 1502 // template. 1503 ExtraExtensions: []pkix.Extension{ 1504 { 1505 Id: oidExtensionSubjectAltName, 1506 Value: sanContents, 1507 Critical: true, 1508 }, 1509 }, 1510 } 1511 1512 csr := marshalAndParseCSR(t, &template) 1513 1514 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" { 1515 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames) 1516 } 1517 1518 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical { 1519 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions) 1520 } 1521 1522 // If there is already an attribute with X.509 extensions then the 1523 // extra extensions should be added to it rather than creating a CSR 1524 // with two extension attributes. 1525 1526 template.Attributes = []pkix.AttributeTypeAndValueSET{ 1527 { 1528 Type: oidExtensionRequest, 1529 Value: [][]pkix.AttributeTypeAndValue{ 1530 { 1531 { 1532 Type: oidExtensionAuthorityInfoAccess, 1533 Value: []byte("foo"), 1534 }, 1535 }, 1536 }, 1537 }, 1538 } 1539 1540 csr = marshalAndParseCSR(t, &template) 1541 if l := len(csr.Attributes); l != 1 { 1542 t.Errorf("incorrect number of attributes: %d\n", l) 1543 } 1544 1545 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) || 1546 len(csr.Attributes[0].Value) != 1 || 1547 len(csr.Attributes[0].Value[0]) != 2 { 1548 t.Errorf("bad attributes: %#v\n", csr.Attributes) 1549 } 1550 1551 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil) 1552 if err != nil { 1553 t.Fatal(err) 1554 } 1555 1556 // Extensions in Attributes should override those in ExtraExtensions. 1557 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{ 1558 Type: oidExtensionSubjectAltName, 1559 Value: sanContents2, 1560 }) 1561 1562 csr = marshalAndParseCSR(t, &template) 1563 1564 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" { 1565 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames) 1566 } 1567} 1568 1569func TestParseCertificateRequest(t *testing.T) { 1570 for _, csrBase64 := range csrBase64Array { 1571 csrBytes := fromBase64(csrBase64) 1572 csr, err := ParseCertificateRequest(csrBytes) 1573 if err != nil { 1574 t.Fatalf("failed to parse CSR: %s", err) 1575 } 1576 1577 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "[email protected]" { 1578 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses) 1579 } 1580 1581 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" { 1582 t.Errorf("incorrect DNS names found: %v", csr.DNSNames) 1583 } 1584 1585 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" { 1586 t.Errorf("incorrect Subject name: %v", csr.Subject) 1587 } 1588 1589 found := false 1590 for _, e := range csr.Extensions { 1591 if e.Id.Equal(oidExtensionBasicConstraints) { 1592 found = true 1593 break 1594 } 1595 } 1596 if !found { 1597 t.Errorf("basic constraints extension not found in CSR") 1598 } 1599 } 1600} 1601 1602func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) { 1603 // This CSR contains an extension request where the extensions have a 1604 // critical flag in them. In the past we failed to handle this. 1605 const csrBase64 = "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" 1606 1607 csrBytes := fromBase64(csrBase64) 1608 csr, err := ParseCertificateRequest(csrBytes) 1609 if err != nil { 1610 t.Fatalf("failed to parse CSR: %s", err) 1611 } 1612 1613 expected := []struct { 1614 Id asn1.ObjectIdentifier 1615 Value []byte 1616 }{ 1617 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")}, 1618 {oidExtensionKeyUsage, fromBase64("AwIChA==")}, 1619 } 1620 1621 if n := len(csr.Extensions); n != len(expected) { 1622 t.Fatalf("expected to find %d extensions but found %d", len(expected), n) 1623 } 1624 1625 for i, extension := range csr.Extensions { 1626 if !extension.Id.Equal(expected[i].Id) { 1627 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id) 1628 } 1629 1630 if !bytes.Equal(extension.Value, expected[i].Value) { 1631 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value) 1632 } 1633 } 1634} 1635 1636// serialiseAndParse generates a self-signed certificate from template and 1637// returns a parsed version of it. 1638func serialiseAndParse(t *testing.T, template *Certificate) *Certificate { 1639 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey) 1640 if err != nil { 1641 t.Fatalf("failed to create certificate: %s", err) 1642 return nil 1643 } 1644 1645 cert, err := ParseCertificate(derBytes) 1646 if err != nil { 1647 t.Fatalf("failed to parse certificate: %s", err) 1648 return nil 1649 } 1650 1651 return cert 1652} 1653 1654func TestMaxPathLenNotCA(t *testing.T) { 1655 template := &Certificate{ 1656 SerialNumber: big.NewInt(1), 1657 Subject: pkix.Name{ 1658 CommonName: "Σ Acme Co", 1659 }, 1660 NotBefore: time.Unix(1000, 0), 1661 NotAfter: time.Unix(100000, 0), 1662 1663 BasicConstraintsValid: true, 1664 IsCA: false, 1665 } 1666 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 { 1667 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m) 1668 } 1669 1670 template.MaxPathLen = -1 1671 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 { 1672 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m) 1673 } 1674 1675 template.MaxPathLen = 5 1676 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil { 1677 t.Error("specifying a MaxPathLen when IsCA is false should fail") 1678 } 1679 1680 template.MaxPathLen = 0 1681 template.MaxPathLenZero = true 1682 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil { 1683 t.Error("setting MaxPathLenZero when IsCA is false should fail") 1684 } 1685 1686 template.BasicConstraintsValid = false 1687 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 { 1688 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m) 1689 } 1690} 1691 1692func TestMaxPathLen(t *testing.T) { 1693 template := &Certificate{ 1694 SerialNumber: big.NewInt(1), 1695 Subject: pkix.Name{ 1696 CommonName: "Σ Acme Co", 1697 }, 1698 NotBefore: time.Unix(1000, 0), 1699 NotAfter: time.Unix(100000, 0), 1700 1701 BasicConstraintsValid: true, 1702 IsCA: true, 1703 } 1704 1705 cert1 := serialiseAndParse(t, template) 1706 if m := cert1.MaxPathLen; m != -1 { 1707 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m) 1708 } 1709 if cert1.MaxPathLenZero { 1710 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero") 1711 } 1712 1713 template.MaxPathLen = 1 1714 cert2 := serialiseAndParse(t, template) 1715 if m := cert2.MaxPathLen; m != 1 { 1716 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m) 1717 } 1718 if cert2.MaxPathLenZero { 1719 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero") 1720 } 1721 1722 template.MaxPathLen = 0 1723 template.MaxPathLenZero = true 1724 cert3 := serialiseAndParse(t, template) 1725 if m := cert3.MaxPathLen; m != 0 { 1726 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m) 1727 } 1728 if !cert3.MaxPathLenZero { 1729 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero") 1730 } 1731} 1732 1733func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) { 1734 template := &Certificate{ 1735 SerialNumber: big.NewInt(1), 1736 Subject: pkix.Name{ 1737 CommonName: "Σ Acme Co", 1738 }, 1739 NotBefore: time.Unix(1000, 0), 1740 NotAfter: time.Unix(100000, 0), 1741 1742 BasicConstraintsValid: true, 1743 IsCA: true, 1744 SubjectKeyId: []byte{1, 2, 3, 4}, 1745 } 1746 1747 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 { 1748 t.Fatalf("self-signed certificate contained default authority key id") 1749 } 1750 1751 template.AuthorityKeyId = []byte{1, 2, 3, 4} 1752 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 { 1753 t.Fatalf("self-signed certificate erased explicit authority key id") 1754 } 1755} 1756 1757func TestNoSubjectKeyIdInCert(t *testing.T) { 1758 template := &Certificate{ 1759 SerialNumber: big.NewInt(1), 1760 Subject: pkix.Name{ 1761 CommonName: "Σ Acme Co", 1762 }, 1763 NotBefore: time.Unix(1000, 0), 1764 NotAfter: time.Unix(100000, 0), 1765 1766 BasicConstraintsValid: true, 1767 IsCA: true, 1768 } 1769 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 { 1770 t.Fatalf("self-signed certificate did not generate subject key id using the public key") 1771 } 1772 1773 template.IsCA = false 1774 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 { 1775 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA") 1776 } 1777 1778 template.SubjectKeyId = []byte{1, 2, 3, 4} 1779 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 { 1780 t.Fatalf("self-signed certificate erased explicit subject key id") 1781 } 1782} 1783 1784func TestASN1BitLength(t *testing.T) { 1785 tests := []struct { 1786 bytes []byte 1787 bitLen int 1788 }{ 1789 {nil, 0}, 1790 {[]byte{0x00}, 0}, 1791 {[]byte{0x00, 0x00}, 0}, 1792 {[]byte{0xf0}, 4}, 1793 {[]byte{0x88}, 5}, 1794 {[]byte{0xff}, 8}, 1795 {[]byte{0xff, 0x80}, 9}, 1796 {[]byte{0xff, 0x81}, 16}, 1797 } 1798 1799 for i, test := range tests { 1800 if got := asn1BitLength(test.bytes); got != test.bitLen { 1801 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen) 1802 } 1803 } 1804} 1805 1806func TestVerifyEmptyCertificate(t *testing.T) { 1807 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed { 1808 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed) 1809 } 1810} 1811 1812func TestInsecureAlgorithmErrorString(t *testing.T) { 1813 tests := []struct { 1814 sa SignatureAlgorithm 1815 want string 1816 }{ 1817 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"}, 1818 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA (temporarily override with GODEBUG=x509sha1=1)"}, 1819 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1 (temporarily override with GODEBUG=x509sha1=1)"}, 1820 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm 1"}, 1821 {-1, "x509: cannot verify signature: insecure algorithm -1"}, 1822 {0, "x509: cannot verify signature: insecure algorithm 0"}, 1823 {9999, "x509: cannot verify signature: insecure algorithm 9999"}, 1824 } 1825 for i, tt := range tests { 1826 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want { 1827 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want) 1828 } 1829 } 1830} 1831 1832// These CSR was generated with OpenSSL: 1833// 1834// openssl req -out CSR.csr -new -sha256 -nodes -keyout privateKey.key -config openssl.cnf 1835// 1836// With openssl.cnf containing the following sections: 1837// 1838// [ v3_req ] 1839// basicConstraints = CA:FALSE 1840// keyUsage = nonRepudiation, digitalSignature, keyEncipherment 1841// subjectAltName = email:[email protected],DNS:test.example.com 1842// [ req_attributes ] 1843// challengePassword = ignored challenge 1844// unstructuredName = ignored unstructured name 1845var csrBase64Array = [...]string{ 1846 // Just [ v3_req ] 1847 "MIIDHDCCAgQCAQAwfjELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEUMBIGA1UEAwwLQ29tbW9uIE5hbWUxITAfBgkqhkiG9w0BCQEWEnRlc3RAZW1haWwuYWRkcmVzczCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK1GY4YFx2ujlZEOJxQVYmsjUnLsd5nFVnNpLE4cV+77sgv9NPNlB8uhn3MXt5leD34rm/2BisCHOifPucYlSrszo2beuKhvwn4+2FxDmWtBEMu/QA16L5IvoOfYZm/gJTsPwKDqvaR0tTU67a9OtxwNTBMI56YKtmwd/o8d3hYv9cg+9ZGAZ/gKONcg/OWYx/XRh6bd0g8DMbCikpWgXKDsvvK1Nk+VtkDO1JxuBaj4Lz/p/MifTfnHoqHxWOWl4EaTs4Ychxsv34/rSj1KD1tJqorIv5Xv2aqv4sjxfbrYzX4kvS5SC1goIovLnhj5UjmQ3Qy8u65eow/LLWw+YFcCAwEAAaBZMFcGCSqGSIb3DQEJDjFKMEgwCQYDVR0TBAIwADALBgNVHQ8EBAMCBeAwLgYDVR0RBCcwJYERZ29waGVyQGdvbGFuZy5vcmeCEHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBAB6VPMRrchvNW61Tokyq3ZvO6/NoGIbuwUn54q6l5VZW0Ep5Nq8juhegSSnaJ0jrovmUgKDN9vEo2KxuAtwG6udS6Ami3zP+hRd4k9Q8djJPb78nrjzWiindLK5Fps9U5mMoi1ER8ViveyAOTfnZt/jsKUaRsscY2FzE9t9/o5moE6LTcHUS4Ap1eheR+J72WOnQYn3cifYaemsA9MJuLko+kQ6xseqttbh9zjqd9fiCSh/LNkzos9c+mg2yMADitaZinAh+HZi50ooEbjaT3erNq9O6RqwJlgD00g6MQdoz9bTAryCUhCQfkIaepmQ7BxS0pqWNW3MMwfDwx/Snz6g=", 1848 // Both [ v3_req ] and [ req_attributes ] 1849 "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", 1850} 1851 1852var md5cert = ` 1853-----BEGIN CERTIFICATE----- 1854MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB 1855VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx 1856MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE 1857CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB 1858BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf 1859Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs 1860cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB 1861AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY 1862cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw 1863GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa 1864qViorq4= 1865-----END CERTIFICATE----- 1866` 1867 1868func TestMD5(t *testing.T) { 1869 pemBlock, _ := pem.Decode([]byte(md5cert)) 1870 cert, err := ParseCertificate(pemBlock.Bytes) 1871 if err != nil { 1872 t.Fatalf("failed to parse certificate: %s", err) 1873 } 1874 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA { 1875 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA) 1876 } 1877 if err = cert.CheckSignatureFrom(cert); err == nil { 1878 t.Fatalf("certificate verification succeeded incorrectly") 1879 } 1880 if _, ok := err.(InsecureAlgorithmError); !ok { 1881 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1882 } 1883} 1884 1885func TestSHA1(t *testing.T) { 1886 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem)) 1887 cert, err := ParseCertificate(pemBlock.Bytes) 1888 if err != nil { 1889 t.Fatalf("failed to parse certificate: %s", err) 1890 } 1891 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 { 1892 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1) 1893 } 1894 if err = cert.CheckSignatureFrom(cert); err == nil { 1895 t.Fatalf("certificate verification succeeded incorrectly") 1896 } 1897 if _, ok := err.(InsecureAlgorithmError); !ok { 1898 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1899 } 1900 1901 t.Setenv("GODEBUG", "x509sha1=1") 1902 if err = cert.CheckSignatureFrom(cert); err != nil { 1903 t.Fatalf("SHA-1 certificate did not verify with GODEBUG=x509sha1=1: %v", err) 1904 } 1905} 1906 1907// certMissingRSANULL contains an RSA public key where the AlgorithmIdentifier 1908// parameters are omitted rather than being an ASN.1 NULL. 1909const certMissingRSANULL = ` 1910-----BEGIN CERTIFICATE----- 1911MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD 1912bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4 1913MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc 1914MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG 1915hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE 1916ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e 1917E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw 1918DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A 1919p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4 1920hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE 1921GFGNEH5PlGffo05wc46QkYU= 1922-----END CERTIFICATE-----` 1923 1924func TestRSAMissingNULLParameters(t *testing.T) { 1925 block, _ := pem.Decode([]byte(certMissingRSANULL)) 1926 if _, err := ParseCertificate(block.Bytes); err == nil { 1927 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter") 1928 } else if !strings.Contains(err.Error(), "missing NULL") { 1929 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err) 1930 } 1931} 1932 1933const certISOOID = `-----BEGIN CERTIFICATE----- 1934MIIB5TCCAVKgAwIBAgIQNwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN 1935BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx 1936DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH 1937GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86 1938BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw 19395O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw 1940OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW 1941V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE 1942J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2 1943NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu 1944MCRtdSdaM7g3 1945-----END CERTIFICATE-----` 1946 1947func TestISOOIDInCertificate(t *testing.T) { 1948 block, _ := pem.Decode([]byte(certISOOID)) 1949 if cert, err := ParseCertificate(block.Bytes); err != nil { 1950 t.Errorf("certificate with ISO OID failed to parse: %s", err) 1951 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm { 1952 t.Errorf("ISO OID not recognised in certificate") 1953 } 1954} 1955 1956// certMultipleRDN contains a RelativeDistinguishedName with two elements (the 1957// common name and serial number). This particular certificate was the first 1958// such certificate in the “Pilot” Certificate Transparency log. 1959const certMultipleRDN = ` 1960-----BEGIN CERTIFICATE----- 1961MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz 1962aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j 1963YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz 1964aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy 1965dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw 1966MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB 1967BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM 1968098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf 1969HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv 1970oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI 1971zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/ 1972y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G 1973A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF 1974BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw 1975b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE 1976BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln 1977b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu 1978c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp 1979Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292 1980LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda 1981gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY 1982PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ 1983KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y 1984BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5 1985ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9 19869C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R 1987uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd 1988La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF 1989DF72IUofoVt7wo0= 1990-----END CERTIFICATE-----` 1991 1992func TestMultipleRDN(t *testing.T) { 1993 block, _ := pem.Decode([]byte(certMultipleRDN)) 1994 cert, err := ParseCertificate(block.Bytes) 1995 if err != nil { 1996 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err) 1997 } 1998 1999 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want { 2000 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want) 2001 } 2002 2003 if want := "1236484010010"; cert.Subject.SerialNumber != want { 2004 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want) 2005 } 2006} 2007 2008func TestSystemCertPool(t *testing.T) { 2009 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" { 2010 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)") 2011 } 2012 a, err := SystemCertPool() 2013 if err != nil { 2014 t.Fatal(err) 2015 } 2016 b, err := SystemCertPool() 2017 if err != nil { 2018 t.Fatal(err) 2019 } 2020 if !certPoolEqual(a, b) { 2021 t.Fatal("two calls to SystemCertPool had different results") 2022 } 2023 if ok := b.AppendCertsFromPEM([]byte(` 2024-----BEGIN CERTIFICATE----- 2025MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw 2026EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2 2027MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 2028ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf 2029cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD 2030yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM 2031jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01 2032IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl 2033VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF 2034oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC 2035FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR 2036BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs 20371cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub 2038YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI 2039gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq 2040N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6 2041pa/O1nF0AfWOpw== 2042-----END CERTIFICATE----- 2043 `)); !ok { 2044 t.Fatal("AppendCertsFromPEM failed") 2045 } 2046 if reflect.DeepEqual(a, b) { 2047 t.Fatal("changing one pool modified the other") 2048 } 2049} 2050 2051const emptyNameConstraintsPEM = ` 2052-----BEGIN CERTIFICATE----- 2053MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2054dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2055NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2056IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2057F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2058f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2059Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2060LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2061blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2062AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH 2063QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb 20646L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H 2065v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M 2066LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga 2067nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8 2068o+WoY6IsCKXV/g== 2069-----END CERTIFICATE-----` 2070 2071func TestEmptyNameConstraints(t *testing.T) { 2072 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM)) 2073 _, err := ParseCertificate(block.Bytes) 2074 if err == nil { 2075 t.Fatal("unexpected success") 2076 } 2077 2078 const expected = "empty name constraints" 2079 if str := err.Error(); !strings.Contains(str, expected) { 2080 t.Errorf("expected %q in error but got %q", expected, str) 2081 } 2082} 2083 2084func TestPKIXNameString(t *testing.T) { 2085 der, err := base64.StdEncoding.DecodeString(certBytes) 2086 if err != nil { 2087 t.Fatal(err) 2088 } 2089 certs, err := ParseCertificates(der) 2090 if err != nil { 2091 t.Fatal(err) 2092 } 2093 2094 // Check that parsed non-standard attributes are printed. 2095 rdns := pkix.Name{ 2096 Locality: []string{"Gophertown"}, 2097 ExtraNames: []pkix.AttributeTypeAndValue{ 2098 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2099 }.ToRDNSequence() 2100 nn := pkix.Name{} 2101 nn.FillFromRDNSequence(&rdns) 2102 2103 // Check that zero-length non-nil ExtraNames hide Names. 2104 extra := []pkix.AttributeTypeAndValue{ 2105 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}} 2106 extraNotNil := pkix.Name{ 2107 Locality: []string{"Gophertown"}, 2108 ExtraNames: extra[:0], 2109 Names: []pkix.AttributeTypeAndValue{ 2110 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2111 } 2112 2113 tests := []struct { 2114 dn pkix.Name 2115 want string 2116 }{ 2117 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"}, 2118 {extraNotNil, "L=Gophertown"}, 2119 {pkix.Name{ 2120 CommonName: "Steve Kille", 2121 Organization: []string{"Isode Limited"}, 2122 OrganizationalUnit: []string{"RFCs"}, 2123 Locality: []string{"Richmond"}, 2124 Province: []string{"Surrey"}, 2125 StreetAddress: []string{"The Square"}, 2126 PostalCode: []string{"TW9 1DT"}, 2127 SerialNumber: "RFC 2253", 2128 Country: []string{"GB"}, 2129 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"}, 2130 {certs[0].Subject, 2131 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"}, 2132 {pkix.Name{ 2133 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "}, 2134 Country: []string{"US"}, 2135 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"}, 2136 {pkix.Name{ 2137 CommonName: "foo.com", 2138 Organization: []string{"Gopher Industries"}, 2139 ExtraNames: []pkix.AttributeTypeAndValue{ 2140 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}}, 2141 }, "CN=bar.com,O=Gopher Industries"}, 2142 {pkix.Name{ 2143 Locality: []string{"Gophertown"}, 2144 ExtraNames: []pkix.AttributeTypeAndValue{ 2145 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2146 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2147 // If there are no ExtraNames, the Names are printed instead. 2148 {pkix.Name{ 2149 Locality: []string{"Gophertown"}, 2150 Names: []pkix.AttributeTypeAndValue{ 2151 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2152 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"}, 2153 // If there are both, print only the ExtraNames. 2154 {pkix.Name{ 2155 Locality: []string{"Gophertown"}, 2156 ExtraNames: []pkix.AttributeTypeAndValue{ 2157 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2158 Names: []pkix.AttributeTypeAndValue{ 2159 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}}, 2160 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2161 } 2162 2163 for i, test := range tests { 2164 if got := test.dn.String(); got != test.want { 2165 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2166 } 2167 } 2168 2169 if extra[0].Value != "backing array" { 2170 t.Errorf("the backing array of an empty ExtraNames got modified by String") 2171 } 2172} 2173 2174func TestRDNSequenceString(t *testing.T) { 2175 // Test some extra cases that get lost in pkix.Name conversions such as 2176 // multi-valued attributes. 2177 2178 var ( 2179 oidCountry = []int{2, 5, 4, 6} 2180 oidOrganization = []int{2, 5, 4, 10} 2181 oidOrganizationalUnit = []int{2, 5, 4, 11} 2182 oidCommonName = []int{2, 5, 4, 3} 2183 ) 2184 2185 tests := []struct { 2186 seq pkix.RDNSequence 2187 want string 2188 }{ 2189 { 2190 seq: pkix.RDNSequence{ 2191 pkix.RelativeDistinguishedNameSET{ 2192 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"}, 2193 }, 2194 pkix.RelativeDistinguishedNameSET{ 2195 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."}, 2196 }, 2197 pkix.RelativeDistinguishedNameSET{ 2198 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"}, 2199 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"}, 2200 }, 2201 }, 2202 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US", 2203 }, 2204 } 2205 2206 for i, test := range tests { 2207 if got := test.seq.String(); got != test.want { 2208 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2209 } 2210 } 2211} 2212 2213const criticalNameConstraintWithUnknownTypePEM = ` 2214-----BEGIN CERTIFICATE----- 2215MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2216dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2217NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2218IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2219F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2220f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2221Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2222LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2223blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2224AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A 2225AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy 2226im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ 2227Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl 2228eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA 2229/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO 2230ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV 2231/g== 2232-----END CERTIFICATE-----` 2233 2234func TestCriticalNameConstraintWithUnknownType(t *testing.T) { 2235 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM)) 2236 cert, err := ParseCertificate(block.Bytes) 2237 if err != nil { 2238 t.Fatalf("unexpected parsing failure: %s", err) 2239 } 2240 2241 if l := len(cert.UnhandledCriticalExtensions); l != 1 { 2242 t.Fatalf("expected one unhandled critical extension, but found %d", l) 2243 } 2244} 2245 2246const badIPMaskPEM = ` 2247-----BEGIN CERTIFICATE----- 2248MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk 2249IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow 2250FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 2251ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+ 22528DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj 2253cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn 2254cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j 2255TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa 2256OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg 2257DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B 2258IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV 2259EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7 2260VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh 2261E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a 2262Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI 2263pdX+ 2264-----END CERTIFICATE-----` 2265 2266func TestBadIPMask(t *testing.T) { 2267 block, _ := pem.Decode([]byte(badIPMaskPEM)) 2268 _, err := ParseCertificate(block.Bytes) 2269 if err == nil { 2270 t.Fatalf("unexpected success") 2271 } 2272 2273 const expected = "contained invalid mask" 2274 if !strings.Contains(err.Error(), expected) { 2275 t.Fatalf("expected %q in error but got: %s", expected, err) 2276 } 2277} 2278 2279const additionalGeneralSubtreePEM = ` 2280-----BEGIN CERTIFICATE----- 2281MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw 2282bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2283MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg 2284QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow 2285bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT 2286GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC 2287cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW 22884kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M 22898FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD 2290dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs 2291Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/ 2292rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG 2293Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr 2294BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w 2295N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw 2296AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs 2297aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK 2298YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl 2299Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH 2300AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv 2301MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k 2302ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw 2303LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2304gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE 2305EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB 2306AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA 2307A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng 23085YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB 2309dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn 23106OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6 23118vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE 2312u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW 2313i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc 2314fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo 2315QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq 2316nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD 2317xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw== 2318-----END CERTIFICATE-----` 2319 2320func TestAdditionFieldsInGeneralSubtree(t *testing.T) { 2321 // Very rarely, certificates can include additional fields in the 2322 // GeneralSubtree structure. This tests that such certificates can be 2323 // parsed. 2324 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM)) 2325 if _, err := ParseCertificate(block.Bytes); err != nil { 2326 t.Fatalf("failed to parse certificate: %s", err) 2327 } 2328} 2329 2330func TestEmptySubject(t *testing.T) { 2331 template := Certificate{ 2332 SerialNumber: big.NewInt(1), 2333 DNSNames: []string{"example.com"}, 2334 } 2335 2336 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey) 2337 if err != nil { 2338 t.Fatalf("failed to create certificate: %s", err) 2339 } 2340 2341 cert, err := ParseCertificate(derBytes) 2342 if err != nil { 2343 t.Fatalf("failed to parse certificate: %s", err) 2344 } 2345 2346 for _, ext := range cert.Extensions { 2347 if ext.Id.Equal(oidExtensionSubjectAltName) { 2348 if !ext.Critical { 2349 t.Fatal("SAN extension is not critical") 2350 } 2351 return 2352 } 2353 } 2354 2355 t.Fatal("SAN extension is missing") 2356} 2357 2358// multipleURLsInCRLDPPEM contains two URLs in a single CRL DistributionPoint 2359// structure. It is taken from https://crt.sh/?id=12721534. 2360const multipleURLsInCRLDPPEM = ` 2361-----BEGIN CERTIFICATE----- 2362MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB 23638zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy 2364dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1 2365YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3 2366dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh 2367IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD 2368LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG 2369EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg 2370Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj 2371YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA 2372A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y 2373TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak 2374YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL 2375Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW 2376jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ 2377OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV 2378HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI 2379oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w 2380gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93 2381d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1 2382ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg 2383YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h 2384b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF 2385BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn 2386aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v 2387ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA 2388A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL 2389PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex 23903Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu 2391labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6 2392oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+ 2393eVxXDTCfs7GUlxnjOp5j559X/N0A 2394-----END CERTIFICATE----- 2395` 2396 2397func TestMultipleURLsInCRLDP(t *testing.T) { 2398 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM)) 2399 cert, err := ParseCertificate(block.Bytes) 2400 if err != nil { 2401 t.Fatalf("failed to parse certificate: %s", err) 2402 } 2403 2404 want := []string{ 2405 "http://epscd.catcert.net/crl/ec-acc.crl", 2406 "http://epscd2.catcert.net/crl/ec-acc.crl", 2407 } 2408 if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) { 2409 t.Errorf("CRL distribution points = %#v, want #%v", got, want) 2410 } 2411} 2412 2413const hexPKCS1TestPKCS8Key = "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" 2414const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50" 2415 2416var pkcs1MismatchKeyTests = []struct { 2417 hexKey string 2418 errorContains string 2419}{ 2420 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"}, 2421 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"}, 2422} 2423 2424func TestPKCS1MismatchKeyFormat(t *testing.T) { 2425 for i, test := range pkcs1MismatchKeyTests { 2426 derBytes, _ := hex.DecodeString(test.hexKey) 2427 _, err := ParsePKCS1PrivateKey(derBytes) 2428 if !strings.Contains(err.Error(), test.errorContains) { 2429 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err) 2430 } 2431 } 2432} 2433 2434func TestCreateRevocationList(t *testing.T) { 2435 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2436 if err != nil { 2437 t.Fatalf("Failed to generate ECDSA P256 key: %s", err) 2438 } 2439 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader) 2440 if err != nil { 2441 t.Fatalf("Failed to generate Ed25519 key: %s", err) 2442 } 2443 2444 // Generation command: 2445 // openssl req -x509 -newkey rsa -keyout key.pem -out cert.pem -days 365 -nodes -subj '/C=US/ST=California/L=San Francisco/O=Internet Widgets, Inc./OU=WWW/CN=Root/emailAddress[email protected]' -sha256 -addext basicConstraints=CA:TRUE -addext "keyUsage = digitalSignature, keyEncipherment, dataEncipherment, cRLSign, keyCertSign" -utf8 2446 utf8CAStr := "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" 2447 utf8CABytes, _ := base64.StdEncoding.DecodeString(utf8CAStr) 2448 utf8CA, _ := ParseCertificate(utf8CABytes) 2449 2450 utf8KeyStr := "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" 2451 utf8KeyBytes, _ := base64.StdEncoding.DecodeString(utf8KeyStr) 2452 utf8KeyRaw, _ := ParsePKCS8PrivateKey(utf8KeyBytes) 2453 utf8Key := utf8KeyRaw.(crypto.Signer) 2454 2455 tests := []struct { 2456 name string 2457 key crypto.Signer 2458 issuer *Certificate 2459 template *RevocationList 2460 expectedError string 2461 }{ 2462 { 2463 name: "nil template", 2464 key: ec256Priv, 2465 issuer: nil, 2466 template: nil, 2467 expectedError: "x509: template can not be nil", 2468 }, 2469 { 2470 name: "nil issuer", 2471 key: ec256Priv, 2472 issuer: nil, 2473 template: &RevocationList{}, 2474 expectedError: "x509: issuer can not be nil", 2475 }, 2476 { 2477 name: "issuer doesn't have crlSign key usage bit set", 2478 key: ec256Priv, 2479 issuer: &Certificate{ 2480 KeyUsage: KeyUsageCertSign, 2481 }, 2482 template: &RevocationList{}, 2483 expectedError: "x509: issuer must have the crlSign key usage bit set", 2484 }, 2485 { 2486 name: "issuer missing SubjectKeyId", 2487 key: ec256Priv, 2488 issuer: &Certificate{ 2489 KeyUsage: KeyUsageCRLSign, 2490 }, 2491 template: &RevocationList{}, 2492 expectedError: "x509: issuer certificate doesn't contain a subject key identifier", 2493 }, 2494 { 2495 name: "nextUpdate before thisUpdate", 2496 key: ec256Priv, 2497 issuer: &Certificate{ 2498 KeyUsage: KeyUsageCRLSign, 2499 Subject: pkix.Name{ 2500 CommonName: "testing", 2501 }, 2502 SubjectKeyId: []byte{1, 2, 3}, 2503 }, 2504 template: &RevocationList{ 2505 ThisUpdate: time.Time{}.Add(time.Hour), 2506 NextUpdate: time.Time{}, 2507 }, 2508 expectedError: "x509: template.ThisUpdate is after template.NextUpdate", 2509 }, 2510 { 2511 name: "nil Number", 2512 key: ec256Priv, 2513 issuer: &Certificate{ 2514 KeyUsage: KeyUsageCRLSign, 2515 Subject: pkix.Name{ 2516 CommonName: "testing", 2517 }, 2518 SubjectKeyId: []byte{1, 2, 3}, 2519 }, 2520 template: &RevocationList{ 2521 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2522 NextUpdate: time.Time{}.Add(time.Hour * 48), 2523 }, 2524 expectedError: "x509: template contains nil Number field", 2525 }, 2526 { 2527 name: "long Number", 2528 key: ec256Priv, 2529 issuer: &Certificate{ 2530 KeyUsage: KeyUsageCRLSign, 2531 Subject: pkix.Name{ 2532 CommonName: "testing", 2533 }, 2534 SubjectKeyId: []byte{1, 2, 3}, 2535 }, 2536 template: &RevocationList{ 2537 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2538 NextUpdate: time.Time{}.Add(time.Hour * 48), 2539 Number: big.NewInt(0).SetBytes(append([]byte{1}, make([]byte, 20)...)), 2540 }, 2541 expectedError: "x509: CRL number exceeds 20 octets", 2542 }, 2543 { 2544 name: "long Number (20 bytes, MSB set)", 2545 key: ec256Priv, 2546 issuer: &Certificate{ 2547 KeyUsage: KeyUsageCRLSign, 2548 Subject: pkix.Name{ 2549 CommonName: "testing", 2550 }, 2551 SubjectKeyId: []byte{1, 2, 3}, 2552 }, 2553 template: &RevocationList{ 2554 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2555 NextUpdate: time.Time{}.Add(time.Hour * 48), 2556 Number: big.NewInt(0).SetBytes(append([]byte{255}, make([]byte, 19)...)), 2557 }, 2558 expectedError: "x509: CRL number exceeds 20 octets", 2559 }, 2560 { 2561 name: "invalid signature algorithm", 2562 key: ec256Priv, 2563 issuer: &Certificate{ 2564 KeyUsage: KeyUsageCRLSign, 2565 Subject: pkix.Name{ 2566 CommonName: "testing", 2567 }, 2568 SubjectKeyId: []byte{1, 2, 3}, 2569 }, 2570 template: &RevocationList{ 2571 SignatureAlgorithm: SHA256WithRSA, 2572 RevokedCertificates: []pkix.RevokedCertificate{ 2573 { 2574 SerialNumber: big.NewInt(2), 2575 RevocationTime: time.Time{}.Add(time.Hour), 2576 }, 2577 }, 2578 Number: big.NewInt(5), 2579 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2580 NextUpdate: time.Time{}.Add(time.Hour * 48), 2581 }, 2582 expectedError: "x509: requested SignatureAlgorithm does not match private key type", 2583 }, 2584 { 2585 name: "valid", 2586 key: ec256Priv, 2587 issuer: &Certificate{ 2588 KeyUsage: KeyUsageCRLSign, 2589 Subject: pkix.Name{ 2590 CommonName: "testing", 2591 }, 2592 SubjectKeyId: []byte{1, 2, 3}, 2593 }, 2594 template: &RevocationList{ 2595 RevokedCertificateEntries: []RevocationListEntry{ 2596 { 2597 SerialNumber: big.NewInt(2), 2598 RevocationTime: time.Time{}.Add(time.Hour), 2599 }, 2600 }, 2601 Number: big.NewInt(5), 2602 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2603 NextUpdate: time.Time{}.Add(time.Hour * 48), 2604 }, 2605 }, 2606 { 2607 name: "valid, reason code", 2608 key: ec256Priv, 2609 issuer: &Certificate{ 2610 KeyUsage: KeyUsageCRLSign, 2611 Subject: pkix.Name{ 2612 CommonName: "testing", 2613 }, 2614 SubjectKeyId: []byte{1, 2, 3}, 2615 }, 2616 template: &RevocationList{ 2617 RevokedCertificateEntries: []RevocationListEntry{ 2618 { 2619 SerialNumber: big.NewInt(2), 2620 RevocationTime: time.Time{}.Add(time.Hour), 2621 ReasonCode: 1, 2622 }, 2623 }, 2624 Number: big.NewInt(5), 2625 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2626 NextUpdate: time.Time{}.Add(time.Hour * 48), 2627 }, 2628 }, 2629 { 2630 name: "valid, extra entry extension", 2631 key: ec256Priv, 2632 issuer: &Certificate{ 2633 KeyUsage: KeyUsageCRLSign, 2634 Subject: pkix.Name{ 2635 CommonName: "testing", 2636 }, 2637 SubjectKeyId: []byte{1, 2, 3}, 2638 }, 2639 template: &RevocationList{ 2640 RevokedCertificateEntries: []RevocationListEntry{ 2641 { 2642 SerialNumber: big.NewInt(2), 2643 RevocationTime: time.Time{}.Add(time.Hour), 2644 ExtraExtensions: []pkix.Extension{ 2645 { 2646 Id: []int{2, 5, 29, 99}, 2647 Value: []byte{5, 0}, 2648 }, 2649 }, 2650 }, 2651 }, 2652 Number: big.NewInt(5), 2653 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2654 NextUpdate: time.Time{}.Add(time.Hour * 48), 2655 }, 2656 }, 2657 { 2658 name: "valid, Ed25519 key", 2659 key: ed25519Priv, 2660 issuer: &Certificate{ 2661 KeyUsage: KeyUsageCRLSign, 2662 Subject: pkix.Name{ 2663 CommonName: "testing", 2664 }, 2665 SubjectKeyId: []byte{1, 2, 3}, 2666 }, 2667 template: &RevocationList{ 2668 RevokedCertificateEntries: []RevocationListEntry{ 2669 { 2670 SerialNumber: big.NewInt(2), 2671 RevocationTime: time.Time{}.Add(time.Hour), 2672 }, 2673 }, 2674 Number: big.NewInt(5), 2675 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2676 NextUpdate: time.Time{}.Add(time.Hour * 48), 2677 }, 2678 }, 2679 { 2680 name: "valid, non-default signature algorithm", 2681 key: ec256Priv, 2682 issuer: &Certificate{ 2683 KeyUsage: KeyUsageCRLSign, 2684 Subject: pkix.Name{ 2685 CommonName: "testing", 2686 }, 2687 SubjectKeyId: []byte{1, 2, 3}, 2688 }, 2689 template: &RevocationList{ 2690 SignatureAlgorithm: ECDSAWithSHA512, 2691 RevokedCertificateEntries: []RevocationListEntry{ 2692 { 2693 SerialNumber: big.NewInt(2), 2694 RevocationTime: time.Time{}.Add(time.Hour), 2695 }, 2696 }, 2697 Number: big.NewInt(5), 2698 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2699 NextUpdate: time.Time{}.Add(time.Hour * 48), 2700 }, 2701 }, 2702 { 2703 name: "valid, extra extension", 2704 key: ec256Priv, 2705 issuer: &Certificate{ 2706 KeyUsage: KeyUsageCRLSign, 2707 Subject: pkix.Name{ 2708 CommonName: "testing", 2709 }, 2710 SubjectKeyId: []byte{1, 2, 3}, 2711 }, 2712 template: &RevocationList{ 2713 RevokedCertificateEntries: []RevocationListEntry{ 2714 { 2715 SerialNumber: big.NewInt(2), 2716 RevocationTime: time.Time{}.Add(time.Hour), 2717 }, 2718 }, 2719 Number: big.NewInt(5), 2720 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2721 NextUpdate: time.Time{}.Add(time.Hour * 48), 2722 ExtraExtensions: []pkix.Extension{ 2723 { 2724 Id: []int{2, 5, 29, 99}, 2725 Value: []byte{5, 0}, 2726 }, 2727 }, 2728 }, 2729 }, 2730 { 2731 name: "valid, deprecated entries with extension", 2732 key: ec256Priv, 2733 issuer: &Certificate{ 2734 KeyUsage: KeyUsageCRLSign, 2735 Subject: pkix.Name{ 2736 CommonName: "testing", 2737 }, 2738 SubjectKeyId: []byte{1, 2, 3}, 2739 }, 2740 template: &RevocationList{ 2741 RevokedCertificates: []pkix.RevokedCertificate{ 2742 { 2743 SerialNumber: big.NewInt(2), 2744 RevocationTime: time.Time{}.Add(time.Hour), 2745 Extensions: []pkix.Extension{ 2746 { 2747 Id: []int{2, 5, 29, 99}, 2748 Value: []byte{5, 0}, 2749 }, 2750 }, 2751 }, 2752 }, 2753 Number: big.NewInt(5), 2754 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2755 NextUpdate: time.Time{}.Add(time.Hour * 48), 2756 }, 2757 }, 2758 { 2759 name: "valid, empty list", 2760 key: ec256Priv, 2761 issuer: &Certificate{ 2762 KeyUsage: KeyUsageCRLSign, 2763 Subject: pkix.Name{ 2764 CommonName: "testing", 2765 }, 2766 SubjectKeyId: []byte{1, 2, 3}, 2767 }, 2768 template: &RevocationList{ 2769 Number: big.NewInt(5), 2770 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2771 NextUpdate: time.Time{}.Add(time.Hour * 48), 2772 }, 2773 }, 2774 { 2775 name: "valid CA with utf8 Subject fields including Email, empty list", 2776 key: utf8Key, 2777 issuer: utf8CA, 2778 template: &RevocationList{ 2779 Number: big.NewInt(5), 2780 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2781 NextUpdate: time.Time{}.Add(time.Hour * 48), 2782 }, 2783 }, 2784 } 2785 2786 for _, tc := range tests { 2787 t.Run(tc.name, func(t *testing.T) { 2788 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key) 2789 if err != nil && tc.expectedError == "" { 2790 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err) 2791 } else if err != nil && tc.expectedError != err.Error() { 2792 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err) 2793 } else if err == nil && tc.expectedError != "" { 2794 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError) 2795 } 2796 if tc.expectedError != "" { 2797 return 2798 } 2799 2800 parsedCRL, err := ParseRevocationList(crl) 2801 if err != nil { 2802 t.Fatalf("Failed to parse generated CRL: %s", err) 2803 } 2804 2805 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm && 2806 parsedCRL.SignatureAlgorithm != tc.template.SignatureAlgorithm { 2807 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm, 2808 tc.template.SignatureAlgorithm) 2809 } 2810 2811 if len(tc.template.RevokedCertificates) > 0 { 2812 if !reflect.DeepEqual(parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) { 2813 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.", 2814 parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) 2815 } 2816 } else { 2817 if len(parsedCRL.RevokedCertificateEntries) != len(tc.template.RevokedCertificateEntries) { 2818 t.Fatalf("RevokedCertificateEntries length mismatch: got %d; want %d.", 2819 len(parsedCRL.RevokedCertificateEntries), 2820 len(tc.template.RevokedCertificateEntries)) 2821 } 2822 for i, rce := range parsedCRL.RevokedCertificateEntries { 2823 expected := tc.template.RevokedCertificateEntries[i] 2824 if rce.SerialNumber.Cmp(expected.SerialNumber) != 0 { 2825 t.Fatalf("RevocationListEntry serial mismatch: got %d; want %d.", 2826 rce.SerialNumber, expected.SerialNumber) 2827 } 2828 if !rce.RevocationTime.Equal(expected.RevocationTime) { 2829 t.Fatalf("RevocationListEntry revocation time mismatch: got %v; want %v.", 2830 rce.RevocationTime, expected.RevocationTime) 2831 } 2832 if rce.ReasonCode != expected.ReasonCode { 2833 t.Fatalf("RevocationListEntry reason code mismatch: got %d; want %d.", 2834 rce.ReasonCode, expected.ReasonCode) 2835 } 2836 } 2837 } 2838 2839 if len(parsedCRL.Extensions) != 2+len(tc.template.ExtraExtensions) { 2840 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.Extensions)) 2841 } 2842 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId}) 2843 if err != nil { 2844 t.Fatalf("asn1.Marshal failed: %s", err) 2845 } 2846 akiExt := pkix.Extension{ 2847 Id: oidExtensionAuthorityKeyId, 2848 Value: expectedAKI, 2849 } 2850 if !reflect.DeepEqual(parsedCRL.Extensions[0], akiExt) { 2851 t.Fatalf("Unexpected first extension: got %v, want %v", 2852 parsedCRL.Extensions[0], akiExt) 2853 } 2854 expectedNum, err := asn1.Marshal(tc.template.Number) 2855 if err != nil { 2856 t.Fatalf("asn1.Marshal failed: %s", err) 2857 } 2858 crlExt := pkix.Extension{ 2859 Id: oidExtensionCRLNumber, 2860 Value: expectedNum, 2861 } 2862 if !reflect.DeepEqual(parsedCRL.Extensions[1], crlExt) { 2863 t.Fatalf("Unexpected second extension: got %v, want %v", 2864 parsedCRL.Extensions[1], crlExt) 2865 } 2866 2867 // With Go 1.19's updated RevocationList, we can now directly compare 2868 // the RawSubject of the certificate to RawIssuer on the parsed CRL. 2869 // However, this doesn't work with our hacked issuers above (that 2870 // aren't parsed from a proper DER bundle but are instead manually 2871 // constructed). Prefer RawSubject when it is set. 2872 if len(tc.issuer.RawSubject) > 0 { 2873 issuerSubj, err := subjectBytes(tc.issuer) 2874 if err != nil { 2875 t.Fatalf("failed to get issuer subject: %s", err) 2876 } 2877 if !bytes.Equal(issuerSubj, parsedCRL.RawIssuer) { 2878 t.Fatalf("Unexpected issuer subject; wanted: %v, got: %v", hex.EncodeToString(issuerSubj), hex.EncodeToString(parsedCRL.RawIssuer)) 2879 } 2880 } else { 2881 // When we hack our custom Subject in the test cases above, 2882 // we don't set the additional fields (such as Names) in the 2883 // hacked issuer. Round-trip a parsing of pkix.Name so that 2884 // we add these missing fields for the comparison. 2885 issuerRDN := tc.issuer.Subject.ToRDNSequence() 2886 var caIssuer pkix.Name 2887 caIssuer.FillFromRDNSequence(&issuerRDN) 2888 if !reflect.DeepEqual(caIssuer, parsedCRL.Issuer) { 2889 t.Fatalf("Expected issuer.Subject, parsedCRL.Issuer to be the same; wanted: %#v, got: %#v", caIssuer, parsedCRL.Issuer) 2890 } 2891 } 2892 2893 if len(parsedCRL.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 { 2894 // If we don't have anything to check return early so we don't 2895 // hit a [] != nil false positive below. 2896 return 2897 } 2898 if !reflect.DeepEqual(parsedCRL.Extensions[2:], tc.template.ExtraExtensions) { 2899 t.Fatalf("Extensions mismatch: got %v; want %v.", 2900 parsedCRL.Extensions[2:], tc.template.ExtraExtensions) 2901 } 2902 2903 if tc.template.Number != nil && parsedCRL.Number == nil { 2904 t.Fatalf("Generated CRL missing Number: got nil, want %s", 2905 tc.template.Number.String()) 2906 } 2907 if tc.template.Number != nil && tc.template.Number.Cmp(parsedCRL.Number) != 0 { 2908 t.Fatalf("Generated CRL has wrong Number: got %s, want %s", 2909 parsedCRL.Number.String(), tc.template.Number.String()) 2910 } 2911 if !bytes.Equal(parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId) { 2912 t.Fatalf("Generated CRL has wrong AuthorityKeyId: got %x, want %x", 2913 parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId) 2914 } 2915 }) 2916 } 2917} 2918 2919func TestRSAPSAParameters(t *testing.T) { 2920 generateParams := func(hashFunc crypto.Hash) []byte { 2921 var hashOID asn1.ObjectIdentifier 2922 2923 switch hashFunc { 2924 case crypto.SHA256: 2925 hashOID = oidSHA256 2926 case crypto.SHA384: 2927 hashOID = oidSHA384 2928 case crypto.SHA512: 2929 hashOID = oidSHA512 2930 } 2931 2932 params := pssParameters{ 2933 Hash: pkix.AlgorithmIdentifier{ 2934 Algorithm: hashOID, 2935 Parameters: asn1.NullRawValue, 2936 }, 2937 MGF: pkix.AlgorithmIdentifier{ 2938 Algorithm: oidMGF1, 2939 }, 2940 SaltLength: hashFunc.Size(), 2941 TrailerField: 1, 2942 } 2943 2944 mgf1Params := pkix.AlgorithmIdentifier{ 2945 Algorithm: hashOID, 2946 Parameters: asn1.NullRawValue, 2947 } 2948 2949 var err error 2950 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params) 2951 if err != nil { 2952 t.Fatalf("failed to marshal MGF parameters: %s", err) 2953 } 2954 2955 serialized, err := asn1.Marshal(params) 2956 if err != nil { 2957 t.Fatalf("failed to marshal parameters: %s", err) 2958 } 2959 2960 return serialized 2961 } 2962 2963 for _, detail := range signatureAlgorithmDetails { 2964 if !detail.isRSAPSS { 2965 continue 2966 } 2967 generated := generateParams(detail.hash) 2968 if !bytes.Equal(detail.params.FullBytes, generated) { 2969 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", detail.hash, generated, detail.params.FullBytes) 2970 } 2971 } 2972} 2973 2974func TestUnknownExtKey(t *testing.T) { 2975 const errorContains = "unknown extended key usage" 2976 2977 template := &Certificate{ 2978 SerialNumber: big.NewInt(10), 2979 DNSNames: []string{"foo"}, 2980 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)}, 2981 } 2982 signer, err := rsa.GenerateKey(rand.Reader, 1024) 2983 if err != nil { 2984 t.Errorf("failed to generate key for TestUnknownExtKey") 2985 } 2986 2987 _, err = CreateCertificate(rand.Reader, template, template, signer.Public(), signer) 2988 if !strings.Contains(err.Error(), errorContains) { 2989 t.Errorf("expected error containing %q, got %s", errorContains, err) 2990 } 2991} 2992 2993func TestIA5SANEnforcement(t *testing.T) { 2994 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2995 if err != nil { 2996 t.Fatalf("ecdsa.GenerateKey failed: %s", err) 2997 } 2998 2999 testURL, err := url.Parse("https://example.com/") 3000 if err != nil { 3001 t.Fatalf("url.Parse failed: %s", err) 3002 } 3003 testURL.RawQuery = "∞" 3004 3005 marshalTests := []struct { 3006 name string 3007 template *Certificate 3008 expectedError string 3009 }{ 3010 { 3011 name: "marshal: unicode dNSName", 3012 template: &Certificate{ 3013 SerialNumber: big.NewInt(0), 3014 DNSNames: []string{"∞"}, 3015 }, 3016 expectedError: "x509: \"∞\" cannot be encoded as an IA5String", 3017 }, 3018 { 3019 name: "marshal: unicode rfc822Name", 3020 template: &Certificate{ 3021 SerialNumber: big.NewInt(0), 3022 EmailAddresses: []string{"∞"}, 3023 }, 3024 expectedError: "x509: \"∞\" cannot be encoded as an IA5String", 3025 }, 3026 { 3027 name: "marshal: unicode uniformResourceIdentifier", 3028 template: &Certificate{ 3029 SerialNumber: big.NewInt(0), 3030 URIs: []*url.URL{testURL}, 3031 }, 3032 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String", 3033 }, 3034 } 3035 3036 for _, tc := range marshalTests { 3037 t.Run(tc.name, func(t *testing.T) { 3038 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k) 3039 if err == nil { 3040 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template) 3041 } else if err.Error() != tc.expectedError { 3042 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError) 3043 } 3044 }) 3045 } 3046 3047 unmarshalTests := []struct { 3048 name string 3049 cert string 3050 expectedError string 3051 }{ 3052 { 3053 name: "unmarshal: unicode dNSName", 3054 cert: "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", 3055 expectedError: "x509: SAN dNSName is malformed", 3056 }, 3057 { 3058 name: "unmarshal: unicode rfc822Name", 3059 cert: "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", 3060 expectedError: "x509: SAN rfc822Name is malformed", 3061 }, 3062 { 3063 name: "unmarshal: unicode uniformResourceIdentifier", 3064 cert: "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", 3065 expectedError: "x509: SAN uniformResourceIdentifier is malformed", 3066 }, 3067 } 3068 3069 for _, tc := range unmarshalTests { 3070 der, err := hex.DecodeString(tc.cert) 3071 if err != nil { 3072 t.Fatalf("failed to decode test cert: %s", err) 3073 } 3074 _, err = ParseCertificate(der) 3075 if err == nil { 3076 t.Error("expected CreateCertificate to fail") 3077 } else if err.Error() != tc.expectedError { 3078 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError) 3079 } 3080 } 3081} 3082 3083func BenchmarkCreateCertificate(b *testing.B) { 3084 template := &Certificate{ 3085 SerialNumber: big.NewInt(10), 3086 DNSNames: []string{"example.com"}, 3087 } 3088 tests := []struct { 3089 name string 3090 gen func() crypto.Signer 3091 }{ 3092 { 3093 name: "RSA 2048", 3094 gen: func() crypto.Signer { 3095 k, err := rsa.GenerateKey(rand.Reader, 2048) 3096 if err != nil { 3097 b.Fatalf("failed to generate test key: %s", err) 3098 } 3099 return k 3100 }, 3101 }, 3102 { 3103 name: "ECDSA P256", 3104 gen: func() crypto.Signer { 3105 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 3106 if err != nil { 3107 b.Fatalf("failed to generate test key: %s", err) 3108 } 3109 return k 3110 }, 3111 }, 3112 } 3113 3114 for _, tc := range tests { 3115 k := tc.gen() 3116 b.ResetTimer() 3117 b.Run(tc.name, func(b *testing.B) { 3118 for i := 0; i < b.N; i++ { 3119 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k) 3120 if err != nil { 3121 b.Fatalf("failed to create certificate: %s", err) 3122 } 3123 } 3124 }) 3125 } 3126} 3127 3128type brokenSigner struct { 3129 pub crypto.PublicKey 3130} 3131 3132func (bs *brokenSigner) Public() crypto.PublicKey { 3133 return bs.pub 3134} 3135 3136func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) { 3137 return []byte{1, 2, 3}, nil 3138} 3139 3140func TestCreateCertificateBrokenSigner(t *testing.T) { 3141 template := &Certificate{ 3142 SerialNumber: big.NewInt(10), 3143 DNSNames: []string{"example.com"}, 3144 } 3145 expectedErr := "signature returned by signer is invalid" 3146 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()}) 3147 if err == nil { 3148 t.Fatal("expected CreateCertificate to fail with a broken signer") 3149 } else if !strings.Contains(err.Error(), expectedErr) { 3150 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr) 3151 } 3152} 3153 3154func TestCreateCertificateLegacy(t *testing.T) { 3155 sigAlg := MD5WithRSA 3156 template := &Certificate{ 3157 SerialNumber: big.NewInt(10), 3158 DNSNames: []string{"example.com"}, 3159 SignatureAlgorithm: sigAlg, 3160 } 3161 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()}) 3162 if err == nil { 3163 t.Fatal("CreateCertificate didn't fail when SignatureAlgorithm = MD5WithRSA") 3164 } 3165} 3166 3167func (s *CertPool) mustCert(t *testing.T, n int) *Certificate { 3168 c, err := s.lazyCerts[n].getCert() 3169 if err != nil { 3170 t.Fatalf("failed to load cert %d: %v", n, err) 3171 } 3172 return c 3173} 3174 3175func allCerts(t *testing.T, p *CertPool) []*Certificate { 3176 all := make([]*Certificate, p.len()) 3177 for i := range all { 3178 all[i] = p.mustCert(t, i) 3179 } 3180 return all 3181} 3182 3183// certPoolEqual reports whether a and b are equal, except for the 3184// function pointers. 3185func certPoolEqual(a, b *CertPool) bool { 3186 if (a != nil) != (b != nil) { 3187 return false 3188 } 3189 if a == nil { 3190 return true 3191 } 3192 if !reflect.DeepEqual(a.byName, b.byName) || 3193 len(a.lazyCerts) != len(b.lazyCerts) { 3194 return false 3195 } 3196 for i := range a.lazyCerts { 3197 la, lb := a.lazyCerts[i], b.lazyCerts[i] 3198 if !bytes.Equal(la.rawSubject, lb.rawSubject) { 3199 return false 3200 } 3201 ca, err := la.getCert() 3202 if err != nil { 3203 panic(err) 3204 } 3205 cb, err := la.getCert() 3206 if err != nil { 3207 panic(err) 3208 } 3209 if !ca.Equal(cb) { 3210 return false 3211 } 3212 } 3213 3214 return true 3215} 3216 3217func TestCertificateRequestRoundtripFields(t *testing.T) { 3218 urlA, err := url.Parse("https://example.com/_") 3219 if err != nil { 3220 t.Fatal(err) 3221 } 3222 urlB, err := url.Parse("https://example.org/_") 3223 if err != nil { 3224 t.Fatal(err) 3225 } 3226 in := &CertificateRequest{ 3227 DNSNames: []string{"example.com", "example.org"}, 3228 EmailAddresses: []string{"[email protected]", "[email protected]"}, 3229 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback}, 3230 URIs: []*url.URL{urlA, urlB}, 3231 } 3232 out := marshalAndParseCSR(t, in) 3233 3234 if !reflect.DeepEqual(in.DNSNames, out.DNSNames) { 3235 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames) 3236 } 3237 if !reflect.DeepEqual(in.EmailAddresses, out.EmailAddresses) { 3238 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses) 3239 } 3240 if len(in.IPAddresses) != len(out.IPAddresses) || 3241 !in.IPAddresses[0].Equal(out.IPAddresses[0]) || 3242 !in.IPAddresses[1].Equal(out.IPAddresses[1]) { 3243 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses) 3244 } 3245 if !reflect.DeepEqual(in.URIs, out.URIs) { 3246 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs) 3247 } 3248} 3249 3250func BenchmarkParseCertificate(b *testing.B) { 3251 cases := []struct { 3252 name string 3253 pem string 3254 }{ 3255 { 3256 name: "ecdsa leaf", 3257 pem: `-----BEGIN CERTIFICATE----- 3258MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG 3259MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM 3260QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw 3261OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG 3262SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF 3263kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC 3264B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU 32656SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU 326683E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w 3267a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv 3268L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t 3269gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k 3270ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t 3271ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j 3272b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j 3273boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl 3274LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv 3275LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu 3276Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n 3277bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds 3278ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n 3279b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw 3280aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv 3281b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j 3282boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t 3283ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t 3284ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1 3285YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp 3286b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C 3287GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv 3288cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl 3289LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds 3290ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv 3291b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo 3292aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1 3293YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa 3294MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0 3295cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB 3296Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro 3297gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb 3298j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr 3299GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8 3300DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3 3301svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx 3302-----END CERTIFICATE-----`, 3303 }, 3304 { 3305 name: "rsa leaf", 3306 pem: `-----BEGIN CERTIFICATE----- 3307MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw 3308QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET 3309MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2 3310MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH 3311Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq 3312Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0 3313UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h 3314KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/ 3315n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De 33166h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE 3317fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia 3318OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l 3319BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB 3320k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI 3321KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n 3322dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx 3323TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk 3324LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk 3325Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t 3326cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou 3327Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n 3328a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh 3329ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q 3330Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC 3331DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u 3332bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k 3333ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n 3334bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou 3335Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw 3336cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq 3337LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK 3338Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou 3339dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j 3340boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0 3341dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou 3342eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j 3343b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy 3344b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v 3345LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h 3346cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds 3347ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu 3348Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i 3349ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow 3350KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB 3351BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM 33524WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B 3353QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1 3354/65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS 3355U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n 3356YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr 3357Qc4= 3358-----END CERTIFICATE-----`, 3359 }, 3360 } 3361 for _, c := range cases { 3362 b.Run(c.name, func(b *testing.B) { 3363 pemBlock, _ := pem.Decode([]byte(c.pem)) 3364 b.ReportAllocs() 3365 b.ResetTimer() 3366 for i := 0; i < b.N; i++ { 3367 _, err := ParseCertificate(pemBlock.Bytes) 3368 if err != nil { 3369 b.Fatal(err) 3370 } 3371 } 3372 }) 3373 } 3374} 3375 3376func TestParseCertificateRawEquals(t *testing.T) { 3377 p, _ := pem.Decode([]byte(pemCertificate)) 3378 cert, err := ParseCertificate(p.Bytes) 3379 if err != nil { 3380 t.Fatalf("failed to parse certificate: %s", err) 3381 } 3382 if !bytes.Equal(p.Bytes, cert.Raw) { 3383 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes) 3384 } 3385} 3386 3387// mismatchingSigAlgIDPEM contains a certificate where the Certificate 3388// signatureAlgorithm and the TBSCertificate signature contain 3389// mismatching OIDs 3390const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE----- 3391MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa 3392GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV 3393EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx 33940AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD 3395AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q 3396tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn 3397-----END CERTIFICATE-----` 3398 3399// mismatchingSigAlgParamPEM contains a certificate where the Certificate 3400// signatureAlgorithm and the TBSCertificate signature contain 3401// mismatching parameters 3402const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE----- 3403MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa 3404GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV 3405EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx 34060AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD 3407AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi 3408f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc= 3409-----END CERTIFICATE-----` 3410 3411func TestSigAlgMismatch(t *testing.T) { 3412 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} { 3413 b, _ := pem.Decode([]byte(certPEM)) 3414 if b == nil { 3415 t.Fatalf("couldn't decode test certificate") 3416 } 3417 _, err := ParseCertificate(b.Bytes) 3418 if err == nil { 3419 t.Fatalf("expected ParseCertificate to fail") 3420 } 3421 expected := "x509: inner and outer signature algorithm identifiers don't match" 3422 if err.Error() != expected { 3423 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected) 3424 } 3425 } 3426} 3427 3428const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE----- 3429MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh 3430bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu 3431Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g 3432QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe 3433BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX 3434DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs 3435ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy 3436IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A 3437MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7 3438JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n 3439WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4 3440uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N 3441rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v 34421vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/ 3443X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD 3444VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD 3445ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp 3446ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j 3447b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB 3448Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j 3449c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl 3450cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js 3451MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm 3452aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD 3453AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr 3454mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So 3455GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV 3456FxdzPcwl 3457-----END CERTIFICATE-----` 3458 3459func TestAuthKeyIdOptional(t *testing.T) { 3460 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM)) 3461 if b == nil { 3462 t.Fatalf("couldn't decode test certificate") 3463 } 3464 _, err := ParseCertificate(b.Bytes) 3465 if err != nil { 3466 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err) 3467 } 3468} 3469 3470const largeOIDPEM = ` 3471Certificate: 3472 Data: 3473 Version: 3 (0x2) 3474 Serial Number: 3475 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02 3476 Signature Algorithm: sha256WithRSAEncryption 3477 Issuer: O = Acme Co 3478 Validity 3479 Not Before: Dec 21 16:59:27 2021 GMT 3480 Not After : Dec 21 16:59:27 2022 GMT 3481 Subject: O = Acme Co 3482 Subject Public Key Info: 3483 Public Key Algorithm: rsaEncryption 3484 RSA Public-Key: (2048 bit) 3485 Modulus: 3486 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78: 3487 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14: 3488 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69: 3489 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c: 3490 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc: 3491 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb: 3492 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb: 3493 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f: 3494 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21: 3495 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94: 3496 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4: 3497 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa: 3498 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58: 3499 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d: 3500 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17: 3501 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21: 3502 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a: 3503 c6:bf 3504 Exponent: 65537 (0x10001) 3505 X509v3 extensions: 3506 X509v3 Key Usage: critical 3507 Digital Signature, Key Encipherment 3508 X509v3 Extended Key Usage: 3509 TLS Web Server Authentication 3510 X509v3 Basic Constraints: critical 3511 CA:FALSE 3512 X509v3 Subject Alternative Name: 3513 DNS:longOID.example 3514 X509v3 Certificate Policies: 3515 Policy: 1.3.6.1.4.1.311.21.8.1492336001 3516 3517 Signature Algorithm: sha256WithRSAEncryption 3518 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79: 3519 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c: 3520 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31: 3521 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe: 3522 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae: 3523 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c: 3524 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06: 3525 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3: 3526 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07: 3527 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80: 3528 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43: 3529 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72: 3530 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8: 3531 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f: 3532 a6:ba:88:6c 3533-----BEGIN CERTIFICATE----- 3534MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw 3535EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5 3536MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 3537ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR 35386FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ 3539y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx 3540OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi 3541IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI 3542E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF 3543oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC 3544D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G 3545CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U 3546dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr 3547WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX 35480E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr 3549CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH 3550Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs 3551-----END CERTIFICATE-----` 3552 3553func TestLargeOID(t *testing.T) { 3554 // See Issue 49678. 3555 b, _ := pem.Decode([]byte(largeOIDPEM)) 3556 if b == nil { 3557 t.Fatalf("couldn't decode test certificate") 3558 } 3559 _, err := ParseCertificate(b.Bytes) 3560 if err != nil { 3561 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err) 3562 } 3563} 3564 3565const uniqueIDPEM = `-----BEGIN CERTIFICATE----- 3566MIIFsDCCBJigAwIBAgIILOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG 3567A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA 3568VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA 3569dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx 3570ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI 3571EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl 3572aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV 3573BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB 3574AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4 3575PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp 35764iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf 3577gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU 3578BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX 3579Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo 3580cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y 3581dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz 3582Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl 3583bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP 3584aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl 3585AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT 3586BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF 35876xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv 3588AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT 3589ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv 3590AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD 3591ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG 3592Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ 3593eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ 3594WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5 3595TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt 3596yYLwhUhg3PX5Co1VKYE+9TxloiE= 3597-----END CERTIFICATE-----` 3598 3599func TestParseUniqueID(t *testing.T) { 3600 b, _ := pem.Decode([]byte(uniqueIDPEM)) 3601 if b == nil { 3602 t.Fatalf("couldn't decode test certificate") 3603 } 3604 cert, err := ParseCertificate(b.Bytes) 3605 if err != nil { 3606 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err) 3607 } 3608 if len(cert.Extensions) != 7 { 3609 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions)) 3610 } 3611} 3612 3613func TestDisableSHA1ForCertOnly(t *testing.T) { 3614 t.Setenv("GODEBUG", "") 3615 3616 tmpl := &Certificate{ 3617 SerialNumber: big.NewInt(1), 3618 NotBefore: time.Now().Add(-time.Hour), 3619 NotAfter: time.Now().Add(time.Hour), 3620 SignatureAlgorithm: SHA1WithRSA, 3621 BasicConstraintsValid: true, 3622 IsCA: true, 3623 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign, 3624 } 3625 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey) 3626 if err != nil { 3627 t.Fatalf("failed to generate test cert: %s", err) 3628 } 3629 cert, err := ParseCertificate(certDER) 3630 if err != nil { 3631 t.Fatalf("failed to parse test cert: %s", err) 3632 } 3633 3634 err = cert.CheckSignatureFrom(cert) 3635 if err == nil { 3636 t.Error("expected CheckSignatureFrom to fail") 3637 } else if _, ok := err.(InsecureAlgorithmError); !ok { 3638 t.Errorf("expected InsecureAlgorithmError error, got %T", err) 3639 } 3640 3641 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{ 3642 SignatureAlgorithm: SHA1WithRSA, 3643 Number: big.NewInt(1), 3644 ThisUpdate: time.Now().Add(-time.Hour), 3645 NextUpdate: time.Now().Add(time.Hour), 3646 }, cert, rsaPrivateKey) 3647 if err != nil { 3648 t.Fatalf("failed to generate test CRL: %s", err) 3649 } 3650 crl, err := ParseRevocationList(crlDER) 3651 if err != nil { 3652 t.Fatalf("failed to parse test CRL: %s", err) 3653 } 3654 3655 if err = crl.CheckSignatureFrom(cert); err != nil { 3656 t.Errorf("unexpected error: %s", err) 3657 } 3658 3659 // This is an unrelated OCSP response, which will fail signature verification 3660 // but shouldn't return an InsecureAlgorithmError, since SHA1 should be allowed 3661 // for OCSP. 3662 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a" 3663 ocspTBS, err := hex.DecodeString(ocspTBSHex) 3664 if err != nil { 3665 t.Fatalf("failed to decode OCSP response TBS hex: %s", err) 3666 } 3667 3668 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil) 3669 if err != rsa.ErrVerification { 3670 t.Errorf("unexpected error: %s", err) 3671 } 3672} 3673 3674func TestParseRevocationList(t *testing.T) { 3675 derBytes := fromBase64(derCRLBase64) 3676 certList, err := ParseRevocationList(derBytes) 3677 if err != nil { 3678 t.Errorf("error parsing: %s", err) 3679 return 3680 } 3681 numCerts := len(certList.RevokedCertificateEntries) 3682 numCertsDeprecated := len(certList.RevokedCertificateEntries) 3683 expected := 88 3684 if numCerts != expected || numCertsDeprecated != expected { 3685 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 3686 } 3687} 3688 3689func TestRevocationListCheckSignatureFrom(t *testing.T) { 3690 goodKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader) 3691 if err != nil { 3692 t.Fatalf("failed to generate test key: %s", err) 3693 } 3694 badKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader) 3695 if err != nil { 3696 t.Fatalf("failed to generate test key: %s", err) 3697 } 3698 tests := []struct { 3699 name string 3700 issuer *Certificate 3701 err string 3702 }{ 3703 { 3704 name: "valid", 3705 issuer: &Certificate{ 3706 Version: 3, 3707 BasicConstraintsValid: true, 3708 IsCA: true, 3709 PublicKeyAlgorithm: ECDSA, 3710 PublicKey: goodKey.Public(), 3711 }, 3712 }, 3713 { 3714 name: "valid, key usage set", 3715 issuer: &Certificate{ 3716 Version: 3, 3717 BasicConstraintsValid: true, 3718 IsCA: true, 3719 PublicKeyAlgorithm: ECDSA, 3720 PublicKey: goodKey.Public(), 3721 KeyUsage: KeyUsageCRLSign, 3722 }, 3723 }, 3724 { 3725 name: "invalid issuer, wrong key usage", 3726 issuer: &Certificate{ 3727 Version: 3, 3728 BasicConstraintsValid: true, 3729 IsCA: true, 3730 PublicKeyAlgorithm: ECDSA, 3731 PublicKey: goodKey.Public(), 3732 KeyUsage: KeyUsageCertSign, 3733 }, 3734 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate", 3735 }, 3736 { 3737 name: "invalid issuer, no basic constraints/ca", 3738 issuer: &Certificate{ 3739 Version: 3, 3740 PublicKeyAlgorithm: ECDSA, 3741 PublicKey: goodKey.Public(), 3742 }, 3743 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate", 3744 }, 3745 { 3746 name: "invalid issuer, unsupported public key type", 3747 issuer: &Certificate{ 3748 Version: 3, 3749 BasicConstraintsValid: true, 3750 IsCA: true, 3751 PublicKeyAlgorithm: UnknownPublicKeyAlgorithm, 3752 PublicKey: goodKey.Public(), 3753 }, 3754 err: "x509: cannot verify signature: algorithm unimplemented", 3755 }, 3756 { 3757 name: "wrong key", 3758 issuer: &Certificate{ 3759 Version: 3, 3760 BasicConstraintsValid: true, 3761 IsCA: true, 3762 PublicKeyAlgorithm: ECDSA, 3763 PublicKey: badKey.Public(), 3764 }, 3765 err: "x509: ECDSA verification failure", 3766 }, 3767 } 3768 3769 crlIssuer := &Certificate{ 3770 BasicConstraintsValid: true, 3771 IsCA: true, 3772 PublicKeyAlgorithm: ECDSA, 3773 PublicKey: goodKey.Public(), 3774 KeyUsage: KeyUsageCRLSign, 3775 SubjectKeyId: []byte{1, 2, 3}, 3776 } 3777 for _, tc := range tests { 3778 t.Run(tc.name, func(t *testing.T) { 3779 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{Number: big.NewInt(1)}, crlIssuer, goodKey) 3780 if err != nil { 3781 t.Fatalf("failed to generate CRL: %s", err) 3782 } 3783 crl, err := ParseRevocationList(crlDER) 3784 if err != nil { 3785 t.Fatalf("failed to parse test CRL: %s", err) 3786 } 3787 err = crl.CheckSignatureFrom(tc.issuer) 3788 if err != nil && err.Error() != tc.err { 3789 t.Errorf("unexpected error: got %s, want %s", err, tc.err) 3790 } else if err == nil && tc.err != "" { 3791 t.Errorf("CheckSignatureFrom did not fail: want %s", tc.err) 3792 } 3793 }) 3794 } 3795} 3796 3797func TestOmitEmptyExtensions(t *testing.T) { 3798 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 3799 if err != nil { 3800 t.Fatal(err) 3801 } 3802 tmpl := &Certificate{ 3803 SerialNumber: big.NewInt(1), 3804 Subject: pkix.Name{ 3805 CommonName: ":)", 3806 }, 3807 NotAfter: time.Now().Add(time.Hour), 3808 NotBefore: time.Now().Add(-time.Hour), 3809 } 3810 der, err := CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k) 3811 if err != nil { 3812 t.Fatal(err) 3813 } 3814 3815 emptyExtSeq := []byte{0xA3, 0x02, 0x30, 0x00} 3816 if bytes.Contains(der, emptyExtSeq) { 3817 t.Error("DER encoding contains the an empty extensions SEQUENCE") 3818 } 3819} 3820 3821var negativeSerialCert = `-----BEGIN CERTIFICATE----- 3822MIIBBTCBraADAgECAgH/MAoGCCqGSM49BAMCMA0xCzAJBgNVBAMTAjopMB4XDTIy 3823MDQxNDIzNTYwNFoXDTIyMDQxNTAxNTYwNFowDTELMAkGA1UEAxMCOikwWTATBgcq 3824hkjOPQIBBggqhkjOPQMBBwNCAAQ9ezsIsj+q17K87z/PXE/rfGRN72P/Wyn5d6oo 38255M0ZbSatuntMvfKdX79CQxXAxN4oXk3Aov4jVSG12AcDI8ShMAoGCCqGSM49BAMC 3826A0cAMEQCIBzfBU5eMPT6m5lsR6cXaJILpAaiD9YxOl4v6dT3rzEjAiBHmjnHmAss 3827RqUAyJKFzqZxOlK2q4j2IYnuj5+LrLGbQA== 3828-----END CERTIFICATE-----` 3829 3830func TestParseNegativeSerial(t *testing.T) { 3831 pemBlock, _ := pem.Decode([]byte(negativeSerialCert)) 3832 _, err := ParseCertificate(pemBlock.Bytes) 3833 if err == nil { 3834 t.Fatal("parsed certificate with negative serial") 3835 } 3836} 3837 3838func TestCreateNegativeSerial(t *testing.T) { 3839 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 3840 if err != nil { 3841 t.Fatal(err) 3842 } 3843 tmpl := &Certificate{ 3844 SerialNumber: big.NewInt(-1), 3845 Subject: pkix.Name{ 3846 CommonName: ":)", 3847 }, 3848 NotAfter: time.Now().Add(time.Hour), 3849 NotBefore: time.Now().Add(-time.Hour), 3850 } 3851 expectedErr := "x509: serial number must be positive" 3852 _, err = CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k) 3853 if err == nil || err.Error() != expectedErr { 3854 t.Errorf("CreateCertificate returned unexpected error: want %q, got %q", expectedErr, err) 3855 } 3856} 3857 3858const dupExtCert = `-----BEGIN CERTIFICATE----- 3859MIIBrjCCARegAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwR0ZXN0 3860MCIYDzAwMDEwMTAxMDAwMDAwWhgPMDAwMTAxMDEwMDAwMDBaMA8xDTALBgNVBAMT 3861BHRlc3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMiFchnHms9l9NninAIz 3862SkY9acwl9Bk2AtmJrNCenFpiA17AcOO5q8DJYwdXi6WPKlVgcyH+ysW8XMWkq+CP 3863yhtF/+LMzl9odaUF2iUy3vgTC5gxGLWH5URVssx21Und2Pm2f4xyou5IVxbS9dxy 3864jLvV9PEY9BIb0H+zFthjhihDAgMBAAGjFjAUMAgGAioDBAIFADAIBgIqAwQCBQAw 3865DQYJKoZIhvcNAQELBQADgYEAlhQ4TQQKIQ8GUyzGiN/75TCtQtjhMGemxc0cNgre 3866d9rmm4DjydH0t7/sMCB56lQrfhJNplguzsbjFW4l245KbNKHfLiqwEGUgZjBNKur 3867ot6qX/skahLtt0CNOaFIge75HVKe/69OrWQGdp18dkay/KS4Glu8YMKIjOhfrUi1 3868NZA= 3869-----END CERTIFICATE-----` 3870 3871func TestDuplicateExtensionsCert(t *testing.T) { 3872 b, _ := pem.Decode([]byte(dupExtCert)) 3873 if b == nil { 3874 t.Fatalf("couldn't decode test certificate") 3875 } 3876 _, err := ParseCertificate(b.Bytes) 3877 if err == nil { 3878 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions") 3879 } 3880} 3881 3882const dupExtCSR = `-----BEGIN CERTIFICATE REQUEST----- 3883MIIBczCB3QIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN 3884ADCBiQKBgQC5PbxMGVJ8aLF9lq/EvGObXTRMB7ieiZL9N+DJZg1n/ECCnZLIvYrr 3885ZmmDV7YZsClgxKGfjJB0RQFFyZElFM9EfHEs8NJdidDKCRdIhDXQWRyhXKevHvdm 3886CQNKzUeoxvdHpU/uscSkw6BgUzPyLyTx9A6ye2ix94z8Y9hGOBO2DQIDAQABoCUw 3887IwYJKoZIhvcNAQkOMRYwFDAIBgIqAwQCBQAwCAYCKgMEAgUAMA0GCSqGSIb3DQEB 3888CwUAA4GBAHROEsE7URk1knXmBnQtIHwoq663vlMcX3Hes58pUy020rWP8QkocA+X 3889VF18/phg3p5ILlS4fcbbP2bEeV0pePo2k00FDPsJEKCBAX2LKxbU7Vp2OuV2HM2+ 3890VLOVx0i+/Q7fikp3hbN1JwuMTU0v2KL/IKoUcZc02+5xiYrnOIt5 3891-----END CERTIFICATE REQUEST-----` 3892 3893func TestDuplicateExtensionsCSR(t *testing.T) { 3894 b, _ := pem.Decode([]byte(dupExtCSR)) 3895 if b == nil { 3896 t.Fatalf("couldn't decode test CSR") 3897 } 3898 _, err := ParseCertificateRequest(b.Bytes) 3899 if err == nil { 3900 t.Fatal("ParseCertificateRequest should fail when parsing CSR with duplicate extensions") 3901 } 3902} 3903 3904const dupAttCSR = `-----BEGIN CERTIFICATE REQUEST----- 3905MIIBbDCB1gIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN 3906ADCBiQKBgQCj5Po3PKO/JNuxr+B+WNfMIzqqYztdlv+mTQhT0jOR5rTkUvxeeHH8 3907YclryES2dOISjaUOTmOAr5GQIIdQl4Ql33Cp7ZR/VWcRn+qvTak0Yow+xVsDo0n4 39087IcvvP6CJ7FRoYBUakVczeXLxCjLwdyK16VGJM06eRzDLykPxpPwLQIDAQABoB4w 3909DQYCKgMxBwwFdGVzdDEwDQYCKgMxBwwFdGVzdDIwDQYJKoZIhvcNAQELBQADgYEA 3910UJ8hsHxtnIeqb2ufHnQFJO+wEJhx2Uxm/BTuzHOeffuQkwATez4skZ7SlX9exgb7 39116jRMRilqb4F7f8w+uDoqxRrA9zc8mwY16zPsyBhRet+ZGbj/ilgvGmtZ21qZZ/FU 39120pJFJIVLM3l49Onr5uIt5+hCWKwHlgE0nGpjKLR3cMg= 3913-----END CERTIFICATE REQUEST-----` 3914 3915func TestDuplicateAttributesCSR(t *testing.T) { 3916 b, _ := pem.Decode([]byte(dupAttCSR)) 3917 if b == nil { 3918 t.Fatalf("couldn't decode test CSR") 3919 } 3920 _, err := ParseCertificateRequest(b.Bytes) 3921 if err != nil { 3922 t.Fatal("ParseCertificateRequest should succeed when parsing CSR with duplicate attributes") 3923 } 3924} 3925 3926func TestCertificateOIDPolicies(t *testing.T) { 3927 template := Certificate{ 3928 SerialNumber: big.NewInt(1), 3929 Subject: pkix.Name{CommonName: "Cert"}, 3930 NotBefore: time.Unix(1000, 0), 3931 NotAfter: time.Unix(100000, 0), 3932 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, 3933 } 3934 3935 var expectPolicyIdentifiers = []asn1.ObjectIdentifier{ 3936 []int{1, 2, 3}, 3937 } 3938 3939 var expectPolicies = []OID{ 3940 mustNewOIDFromInts(t, []uint64{1, 2, 3}), 3941 } 3942 3943 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey) 3944 if err != nil { 3945 t.Fatalf("CreateCertificate() unexpected error: %v", err) 3946 } 3947 3948 cert, err := ParseCertificate(certDER) 3949 if err != nil { 3950 t.Fatalf("ParseCertificate() unexpected error: %v", err) 3951 } 3952 3953 if !slices.EqualFunc(cert.PolicyIdentifiers, expectPolicyIdentifiers, slices.Equal) { 3954 t.Errorf("cert.PolicyIdentifiers = %v, want: %v", cert.PolicyIdentifiers, expectPolicyIdentifiers) 3955 } 3956 3957 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) { 3958 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies) 3959 } 3960} 3961 3962func TestCertificatePoliciesGODEBUG(t *testing.T) { 3963 template := Certificate{ 3964 SerialNumber: big.NewInt(1), 3965 Subject: pkix.Name{CommonName: "Cert"}, 3966 NotBefore: time.Unix(1000, 0), 3967 NotAfter: time.Unix(100000, 0), 3968 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, 3969 Policies: []OID{mustNewOIDFromInts(t, []uint64{1, 2, math.MaxUint32 + 1})}, 3970 } 3971 3972 expectPolicies := []OID{mustNewOIDFromInts(t, []uint64{1, 2, 3})} 3973 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey) 3974 if err != nil { 3975 t.Fatalf("CreateCertificate() unexpected error: %v", err) 3976 } 3977 3978 cert, err := ParseCertificate(certDER) 3979 if err != nil { 3980 t.Fatalf("ParseCertificate() unexpected error: %v", err) 3981 } 3982 3983 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) { 3984 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies) 3985 } 3986 3987 t.Setenv("GODEBUG", "x509usepolicies=1") 3988 expectPolicies = []OID{mustNewOIDFromInts(t, []uint64{1, 2, math.MaxUint32 + 1})} 3989 3990 certDER, err = CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey) 3991 if err != nil { 3992 t.Fatalf("CreateCertificate() unexpected error: %v", err) 3993 } 3994 3995 cert, err = ParseCertificate(certDER) 3996 if err != nil { 3997 t.Fatalf("ParseCertificate() unexpected error: %v", err) 3998 } 3999 4000 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) { 4001 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies) 4002 } 4003} 4004 4005func TestGob(t *testing.T) { 4006 // Test that gob does not reject Certificate. 4007 // See go.dev/issue/65633. 4008 cert := new(Certificate) 4009 err := gob.NewEncoder(io.Discard).Encode(cert) 4010 if err != nil { 4011 t.Fatal(err) 4012 } 4013} 4014 4015func TestRejectCriticalAKI(t *testing.T) { 4016 template := Certificate{ 4017 SerialNumber: big.NewInt(1), 4018 Subject: pkix.Name{CommonName: "Cert"}, 4019 NotBefore: time.Unix(1000, 0), 4020 NotAfter: time.Unix(100000, 0), 4021 ExtraExtensions: []pkix.Extension{ 4022 { 4023 Id: asn1.ObjectIdentifier{2, 5, 29, 35}, 4024 Critical: true, 4025 Value: []byte{1, 2, 3}, 4026 }, 4027 }, 4028 } 4029 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey) 4030 if err != nil { 4031 t.Fatalf("CreateCertificate() unexpected error: %v", err) 4032 } 4033 expectedErr := "x509: authority key identifier incorrectly marked critical" 4034 _, err = ParseCertificate(certDER) 4035 if err == nil || err.Error() != expectedErr { 4036 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr) 4037 } 4038} 4039 4040func TestRejectCriticalAIA(t *testing.T) { 4041 template := Certificate{ 4042 SerialNumber: big.NewInt(1), 4043 Subject: pkix.Name{CommonName: "Cert"}, 4044 NotBefore: time.Unix(1000, 0), 4045 NotAfter: time.Unix(100000, 0), 4046 ExtraExtensions: []pkix.Extension{ 4047 { 4048 Id: asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 1}, 4049 Critical: true, 4050 Value: []byte{1, 2, 3}, 4051 }, 4052 }, 4053 } 4054 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey) 4055 if err != nil { 4056 t.Fatalf("CreateCertificate() unexpected error: %v", err) 4057 } 4058 expectedErr := "x509: authority info access incorrectly marked critical" 4059 _, err = ParseCertificate(certDER) 4060 if err == nil || err.Error() != expectedErr { 4061 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr) 4062 } 4063} 4064 4065func TestRejectCriticalSKI(t *testing.T) { 4066 template := Certificate{ 4067 SerialNumber: big.NewInt(1), 4068 Subject: pkix.Name{CommonName: "Cert"}, 4069 NotBefore: time.Unix(1000, 0), 4070 NotAfter: time.Unix(100000, 0), 4071 ExtraExtensions: []pkix.Extension{ 4072 { 4073 Id: asn1.ObjectIdentifier{2, 5, 29, 14}, 4074 Critical: true, 4075 Value: []byte{1, 2, 3}, 4076 }, 4077 }, 4078 } 4079 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey) 4080 if err != nil { 4081 t.Fatalf("CreateCertificate() unexpected error: %v", err) 4082 } 4083 expectedErr := "x509: subject key identifier incorrectly marked critical" 4084 _, err = ParseCertificate(certDER) 4085 if err == nil || err.Error() != expectedErr { 4086 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr) 4087 } 4088} 4089