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/ecdsa" 12 "crypto/ed25519" 13 "crypto/elliptic" 14 "crypto/rand" 15 "crypto/rsa" 16 _ "crypto/sha256" 17 _ "crypto/sha512" 18 "crypto/x509/pkix" 19 "encoding/asn1" 20 "encoding/base64" 21 "encoding/hex" 22 "encoding/pem" 23 "fmt" 24 "internal/testenv" 25 "io" 26 "math/big" 27 "net" 28 "net/url" 29 "os/exec" 30 "reflect" 31 "runtime" 32 "strings" 33 "testing" 34 "time" 35) 36 37func TestParsePKCS1PrivateKey(t *testing.T) { 38 block, _ := pem.Decode([]byte(pemPrivateKey)) 39 priv, err := ParsePKCS1PrivateKey(block.Bytes) 40 if err != nil { 41 t.Errorf("Failed to parse private key: %s", err) 42 return 43 } 44 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 || 45 priv.PublicKey.E != rsaPrivateKey.PublicKey.E || 46 priv.D.Cmp(rsaPrivateKey.D) != 0 || 47 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 || 48 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 { 49 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey) 50 } 51 52 // This private key includes an invalid prime that 53 // rsa.PrivateKey.Validate should reject. 54 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00") 55 if _, err := ParsePKCS1PrivateKey(data); err == nil { 56 t.Errorf("parsing invalid private key did not result in an error") 57 } 58} 59 60func TestPKCS1MismatchPublicKeyFormat(t *testing.T) { 61 62 const pkixPublicKey = "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" 63 const errorContains = "use ParsePKIXPublicKey instead" 64 derBytes, _ := hex.DecodeString(pkixPublicKey) 65 _, err := ParsePKCS1PublicKey(derBytes) 66 if !strings.Contains(err.Error(), errorContains) { 67 t.Errorf("expected error containing %q, got %s", errorContains, err) 68 } 69} 70 71func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) { 72 block, _ := pem.Decode([]byte(pemBytes)) 73 pub, err := ParsePKIXPublicKey(block.Bytes) 74 if err != nil { 75 t.Fatalf("Failed to parse public key: %s", err) 76 } 77 78 pubBytes2, err := MarshalPKIXPublicKey(pub) 79 if err != nil { 80 t.Errorf("Failed to marshal public key for the second time: %s", err) 81 return 82 } 83 if !bytes.Equal(pubBytes2, block.Bytes) { 84 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes) 85 } 86 return 87} 88 89func TestParsePKIXPublicKey(t *testing.T) { 90 t.Run("RSA", func(t *testing.T) { 91 pub := testParsePKIXPublicKey(t, pemPublicKey) 92 _, ok := pub.(*rsa.PublicKey) 93 if !ok { 94 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key") 95 } 96 }) 97 t.Run("Ed25519", func(t *testing.T) { 98 pub := testParsePKIXPublicKey(t, pemEd25519Key) 99 _, ok := pub.(ed25519.PublicKey) 100 if !ok { 101 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key") 102 } 103 }) 104} 105 106var pemPublicKey = `-----BEGIN PUBLIC KEY----- 107MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+ 108wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k 109enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ 110FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg 111fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR 112FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ 113+QIDAQAB 114-----END PUBLIC KEY----- 115` 116 117var pemPrivateKey = testingKey(` 118-----BEGIN RSA TESTING KEY----- 119MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v 120IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7 121J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB 122AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1 123V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd 1247gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R 125vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12 12633QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS 127rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi 128MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX 129AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo 1306vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6 131wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY= 132-----END RSA TESTING KEY----- 133`) 134 135// pemEd25519Key is the example from RFC 8410, Secrion 4. 136var pemEd25519Key = ` 137-----BEGIN PUBLIC KEY----- 138MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE= 139-----END PUBLIC KEY----- 140` 141 142func TestPKIXMismatchPublicKeyFormat(t *testing.T) { 143 144 const pkcs1PublicKey = "308201080282010100817cfed98bcaa2e2a57087451c7674e0c675686dc33ff1268b0c2a6ee0202dec710858ee1c31bdf5e7783582e8ca800be45f3275c6576adc35d98e26e95bb88ca5beb186f853b8745d88bc9102c5f38753bcda519fb05948d5c77ac429255ff8aaf27d9f45d1586e95e2e9ba8a7cb771b8a09dd8c8fed3f933fd9b439bc9f30c475953418ef25f71a2b6496f53d94d39ce850aa0cc75d445b5f5b4f4ee4db78ab197a9a8d8a852f44529a007ac0ac23d895928d60ba538b16b0b087a7f903ed29770e215019b77eaecc360f35f7ab11b6d735978795b2c4a74e5bdea4dc6594cd67ed752a108e666729a753ab36d6c4f606f8760f507e1765be8cd744007e629020103" 145 const errorContains = "use ParsePKCS1PublicKey instead" 146 derBytes, _ := hex.DecodeString(pkcs1PublicKey) 147 _, err := ParsePKIXPublicKey(derBytes) 148 if !strings.Contains(err.Error(), errorContains) { 149 t.Errorf("expected error containing %q, got %s", errorContains, err) 150 } 151} 152 153var testPrivateKey *rsa.PrivateKey 154 155func init() { 156 block, _ := pem.Decode([]byte(pemPrivateKey)) 157 158 var err error 159 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil { 160 panic("Failed to parse private key: " + err.Error()) 161 } 162} 163 164func bigFromString(s string) *big.Int { 165 ret := new(big.Int) 166 ret.SetString(s, 10) 167 return ret 168} 169 170func fromBase10(base10 string) *big.Int { 171 i := new(big.Int) 172 i.SetString(base10, 10) 173 return i 174} 175 176func bigFromHexString(s string) *big.Int { 177 ret := new(big.Int) 178 ret.SetString(s, 16) 179 return ret 180} 181 182var rsaPrivateKey = &rsa.PrivateKey{ 183 PublicKey: rsa.PublicKey{ 184 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"), 185 E: 65537, 186 }, 187 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"), 188 Primes: []*big.Int{ 189 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"), 190 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"), 191 }, 192} 193 194func TestMarshalRSAPrivateKey(t *testing.T) { 195 priv := &rsa.PrivateKey{ 196 PublicKey: rsa.PublicKey{ 197 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 198 E: 3, 199 }, 200 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"), 201 Primes: []*big.Int{ 202 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"), 203 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"), 204 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"), 205 }, 206 } 207 208 derBytes := MarshalPKCS1PrivateKey(priv) 209 210 priv2, err := ParsePKCS1PrivateKey(derBytes) 211 if err != nil { 212 t.Errorf("error parsing serialized key: %s", err) 213 return 214 } 215 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 || 216 priv.PublicKey.E != priv2.PublicKey.E || 217 priv.D.Cmp(priv2.D) != 0 || 218 len(priv2.Primes) != 3 || 219 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 || 220 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 || 221 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 { 222 t.Errorf("got:%+v want:%+v", priv, priv2) 223 } 224} 225 226func TestMarshalRSAPublicKey(t *testing.T) { 227 pub := &rsa.PublicKey{ 228 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 229 E: 3, 230 } 231 derBytes := MarshalPKCS1PublicKey(pub) 232 pub2, err := ParsePKCS1PublicKey(derBytes) 233 if err != nil { 234 t.Errorf("ParsePKCS1PublicKey: %s", err) 235 } 236 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E { 237 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2) 238 } 239 240 // It's never been documented that asn1.Marshal/Unmarshal on rsa.PublicKey works, 241 // but it does, and we know of code that depends on it. 242 // Lock that in, even though we'd prefer that people use MarshalPKCS1PublicKey and ParsePKCS1PublicKey. 243 derBytes2, err := asn1.Marshal(*pub) 244 if err != nil { 245 t.Errorf("Marshal(rsa.PublicKey): %v", err) 246 } else if !bytes.Equal(derBytes, derBytes2) { 247 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes) 248 } 249 pub3 := new(rsa.PublicKey) 250 rest, err := asn1.Unmarshal(derBytes, pub3) 251 if err != nil { 252 t.Errorf("Unmarshal(rsa.PublicKey): %v", err) 253 } 254 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E { 255 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil)) 256 } 257 258 publicKeys := []struct { 259 derBytes []byte 260 expectedErrSubstr string 261 }{ 262 { 263 derBytes: []byte{ 264 0x30, 6, // SEQUENCE, 6 bytes 265 0x02, 1, // INTEGER, 1 byte 266 17, 267 0x02, 1, // INTEGER, 1 byte 268 3, // 3 269 }, 270 }, { 271 derBytes: []byte{ 272 0x30, 6, // SEQUENCE 273 0x02, 1, // INTEGER, 1 byte 274 0xff, // -1 275 0x02, 1, // INTEGER, 1 byte 276 3, 277 }, 278 expectedErrSubstr: "zero or negative", 279 }, { 280 derBytes: []byte{ 281 0x30, 6, // SEQUENCE 282 0x02, 1, // INTEGER, 1 byte 283 17, 284 0x02, 1, // INTEGER, 1 byte 285 0xff, // -1 286 }, 287 expectedErrSubstr: "zero or negative", 288 }, { 289 derBytes: []byte{ 290 0x30, 6, // SEQUENCE 291 0x02, 1, // INTEGER, 1 byte 292 17, 293 0x02, 1, // INTEGER, 1 byte 294 3, 295 1, 296 }, 297 expectedErrSubstr: "trailing data", 298 }, { 299 derBytes: []byte{ 300 0x30, 9, // SEQUENCE 301 0x02, 1, // INTEGER, 1 byte 302 17, 303 0x02, 4, // INTEGER, 4 bytes 304 0x7f, 0xff, 0xff, 0xff, 305 }, 306 }, { 307 derBytes: []byte{ 308 0x30, 10, // SEQUENCE 309 0x02, 1, // INTEGER, 1 byte 310 17, 311 0x02, 5, // INTEGER, 5 bytes 312 0x00, 0x80, 0x00, 0x00, 0x00, 313 }, 314 // On 64-bit systems, encoding/asn1 will accept the 315 // public exponent, but ParsePKCS1PublicKey will return 316 // an error. On 32-bit systems, encoding/asn1 will 317 // return the error. The common substring of both error 318 // is the word “large”. 319 expectedErrSubstr: "large", 320 }, 321 } 322 323 for i, test := range publicKeys { 324 shouldFail := len(test.expectedErrSubstr) > 0 325 pub, err := ParsePKCS1PublicKey(test.derBytes) 326 if shouldFail { 327 if err == nil { 328 t.Errorf("#%d: unexpected success, got %#v", i, pub) 329 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) { 330 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err) 331 } 332 } else { 333 if err != nil { 334 t.Errorf("#%d: unexpected failure: %s", i, err) 335 continue 336 } 337 reserialized := MarshalPKCS1PublicKey(pub) 338 if !bytes.Equal(reserialized, test.derBytes) { 339 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes) 340 } 341 } 342 } 343} 344 345type matchHostnamesTest struct { 346 pattern, host string 347 ok bool 348} 349 350var matchHostnamesTests = []matchHostnamesTest{ 351 {"a.b.c", "a.b.c", true}, 352 {"a.b.c", "b.b.c", false}, 353 {"", "b.b.c", false}, 354 {"a.b.c", "", false}, 355 {"example.com", "example.com", true}, 356 {"example.com", "www.example.com", false}, 357 {"*.example.com", "example.com", false}, 358 {"*.example.com", "www.example.com", true}, 359 {"*.example.com", "www.example.com.", true}, 360 {"*.example.com", "xyz.www.example.com", false}, 361 {"*.example.com", "https://www.example.com", false}, // Issue 27591 362 {"*.example..com", "www.example..com", false}, 363 {"www.example..com", "www.example..com", true}, 364 {"*.*.example.com", "xyz.www.example.com", false}, 365 {"*.www.*.com", "xyz.www.example.com", false}, 366 {"*bar.example.com", "foobar.example.com", false}, 367 {"f*.example.com", "foobar.example.com", false}, 368 {"www.example.com", "*.example.com", false}, 369 {"", ".", false}, 370 {".", "", false}, 371 {".", ".", false}, 372 {"example.com", "example.com.", true}, 373 {"example.com.", "example.com", false}, 374 {"example.com.", "example.com.", true}, // perfect matches allow trailing dots in patterns 375 {"*.com.", "example.com.", false}, 376 {"*.com.", "example.com", false}, 377 {"*.com", "example.com", true}, 378 {"*.com", "example.com.", true}, 379 {"foo:bar", "foo:bar", true}, 380 {"*.foo:bar", "xxx.foo:bar", false}, 381 {"*.2.3.4", "1.2.3.4", false}, 382 {"*.2.3.4", "[1.2.3.4]", false}, 383 {"*:4860:4860::8888", "2001:4860:4860::8888", false}, 384 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false}, 385 {"2001:4860:4860::8888", "2001:4860:4860::8888", false}, 386 {"2001:4860:4860::8888", "[2001:4860:4860::8888]", false}, 387 {"[2001:4860:4860::8888]", "2001:4860:4860::8888", false}, 388 {"[2001:4860:4860::8888]", "[2001:4860:4860::8888]", false}, 389} 390 391func TestMatchHostnames(t *testing.T) { 392 for i, test := range matchHostnamesTests { 393 c := &Certificate{DNSNames: []string{test.pattern}} 394 r := c.VerifyHostname(test.host) == nil 395 if r != test.ok { 396 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern) 397 } 398 } 399} 400 401func TestMatchIP(t *testing.T) { 402 // Check that pattern matching is working. 403 c := &Certificate{ 404 DNSNames: []string{"*.foo.bar.baz"}, 405 Subject: pkix.Name{ 406 CommonName: "*.foo.bar.baz", 407 }, 408 } 409 err := c.VerifyHostname("quux.foo.bar.baz") 410 if err != nil { 411 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err) 412 } 413 414 // But check that if we change it to be matching against an IP address, 415 // it is rejected. 416 c = &Certificate{ 417 DNSNames: []string{"*.2.3.4"}, 418 Subject: pkix.Name{ 419 CommonName: "*.2.3.4", 420 }, 421 } 422 err = c.VerifyHostname("1.2.3.4") 423 if err == nil { 424 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not") 425 } 426 427 c = &Certificate{ 428 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")}, 429 } 430 err = c.VerifyHostname("127.0.0.1") 431 if err != nil { 432 t.Fatalf("VerifyHostname(127.0.0.1): %v", err) 433 } 434 err = c.VerifyHostname("::1") 435 if err != nil { 436 t.Fatalf("VerifyHostname(::1): %v", err) 437 } 438 err = c.VerifyHostname("[::1]") 439 if err != nil { 440 t.Fatalf("VerifyHostname([::1]): %v", err) 441 } 442} 443 444func TestCertificateParse(t *testing.T) { 445 s, _ := base64.StdEncoding.DecodeString(certBytes) 446 certs, err := ParseCertificates(s) 447 if err != nil { 448 t.Error(err) 449 } 450 if len(certs) != 2 { 451 t.Errorf("Wrong number of certs: got %d want 2", len(certs)) 452 return 453 } 454 455 err = certs[0].CheckSignatureFrom(certs[1]) 456 if err != nil { 457 t.Error(err) 458 } 459 460 if err := certs[0].VerifyHostname("mail.google.com"); err != nil { 461 t.Error(err) 462 } 463 464 const expectedExtensions = 10 465 if n := len(certs[0].Extensions); n != expectedExtensions { 466 t.Errorf("want %d extensions, got %d", expectedExtensions, n) 467 } 468} 469 470func TestCertificateEqualOnNil(t *testing.T) { 471 cNonNil := new(Certificate) 472 var cNil1, cNil2 *Certificate 473 if !cNil1.Equal(cNil2) { 474 t.Error("Nil certificates: cNil1 is not equal to cNil2") 475 } 476 if !cNil2.Equal(cNil1) { 477 t.Error("Nil certificates: cNil2 is not equal to cNil1") 478 } 479 if cNil1.Equal(cNonNil) { 480 t.Error("Unexpectedly cNil1 is equal to cNonNil") 481 } 482 if cNonNil.Equal(cNil1) { 483 t.Error("Unexpectedly cNonNil is equal to cNil1") 484 } 485} 486 487func TestMismatchedSignatureAlgorithm(t *testing.T) { 488 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM)) 489 if der == nil { 490 t.Fatal("Failed to find PEM block") 491 } 492 493 cert, err := ParseCertificate(der.Bytes) 494 if err != nil { 495 t.Fatal(err) 496 } 497 498 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil { 499 t.Fatal("CheckSignature unexpectedly return no error") 500 } 501 502 const expectedSubstring = " but have public key of type " 503 if !strings.Contains(err.Error(), expectedSubstring) { 504 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err) 505 } 506} 507 508var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" + 509 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" + 510 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" + 511 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" + 512 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" + 513 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" + 514 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" + 515 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" + 516 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" + 517 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" + 518 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" + 519 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" + 520 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" + 521 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" + 522 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" + 523 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" + 524 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" + 525 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" + 526 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" + 527 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" + 528 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" + 529 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" + 530 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" + 531 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" + 532 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" + 533 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" + 534 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" + 535 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" + 536 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" + 537 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" + 538 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" + 539 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" + 540 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" + 541 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" + 542 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" + 543 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" + 544 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" + 545 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" + 546 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" + 547 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" + 548 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" + 549 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" + 550 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" + 551 "t63yr/tQri/hlQ3zRq2dnPXK" 552 553func parseCIDR(s string) *net.IPNet { 554 _, net, err := net.ParseCIDR(s) 555 if err != nil { 556 panic(err) 557 } 558 return net 559} 560 561func parseURI(s string) *url.URL { 562 uri, err := url.Parse(s) 563 if err != nil { 564 panic(err) 565 } 566 return uri 567} 568 569func TestCreateSelfSignedCertificate(t *testing.T) { 570 random := rand.Reader 571 572 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 573 if err != nil { 574 t.Fatalf("Failed to generate ECDSA key: %s", err) 575 } 576 577 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random) 578 if err != nil { 579 t.Fatalf("Failed to generate Ed25519 key: %s", err) 580 } 581 582 tests := []struct { 583 name string 584 pub, priv any 585 checkSig bool 586 sigAlgo SignatureAlgorithm 587 }{ 588 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA}, 589 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 590 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA}, 591 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256}, 592 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS}, 593 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS}, 594 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 595 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519}, 596 } 597 598 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth} 599 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}} 600 extraExtensionData := []byte("extra extension") 601 602 for _, test := range tests { 603 commonName := "test.example.com" 604 template := Certificate{ 605 // SerialNumber is negative to ensure that negative 606 // values are parsed. This is due to the prevalence of 607 // buggy code that produces certificates with negative 608 // serial numbers. 609 SerialNumber: big.NewInt(-1), 610 Subject: pkix.Name{ 611 CommonName: commonName, 612 Organization: []string{"Σ Acme Co"}, 613 Country: []string{"US"}, 614 ExtraNames: []pkix.AttributeTypeAndValue{ 615 { 616 Type: []int{2, 5, 4, 42}, 617 Value: "Gopher", 618 }, 619 // This should override the Country, above. 620 { 621 Type: []int{2, 5, 4, 6}, 622 Value: "NL", 623 }, 624 }, 625 }, 626 NotBefore: time.Unix(1000, 0), 627 NotAfter: time.Unix(100000, 0), 628 629 SignatureAlgorithm: test.sigAlgo, 630 631 SubjectKeyId: []byte{1, 2, 3, 4}, 632 KeyUsage: KeyUsageCertSign, 633 634 ExtKeyUsage: testExtKeyUsage, 635 UnknownExtKeyUsage: testUnknownExtKeyUsage, 636 637 BasicConstraintsValid: true, 638 IsCA: true, 639 640 OCSPServer: []string{"http://ocsp.example.com"}, 641 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"}, 642 643 DNSNames: []string{"test.example.com"}, 644 EmailAddresses: []string{"gopher@golang.org"}, 645 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 646 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")}, 647 648 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, 649 PermittedDNSDomains: []string{".example.com", "example.com"}, 650 ExcludedDNSDomains: []string{"bar.example.com"}, 651 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")}, 652 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")}, 653 PermittedEmailAddresses: []string{"foo@example.com"}, 654 ExcludedEmailAddresses: []string{".example.com", "example.com"}, 655 PermittedURIDomains: []string{".bar.com", "bar.com"}, 656 ExcludedURIDomains: []string{".bar2.com", "bar2.com"}, 657 658 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"}, 659 660 ExtraExtensions: []pkix.Extension{ 661 { 662 Id: []int{1, 2, 3, 4}, 663 Value: extraExtensionData, 664 }, 665 // This extension should override the SubjectKeyId, above. 666 { 667 Id: oidExtensionSubjectKeyId, 668 Critical: false, 669 Value: []byte{0x04, 0x04, 4, 3, 2, 1}, 670 }, 671 }, 672 } 673 674 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv) 675 if err != nil { 676 t.Errorf("%s: failed to create certificate: %s", test.name, err) 677 continue 678 } 679 680 cert, err := ParseCertificate(derBytes) 681 if err != nil { 682 t.Errorf("%s: failed to parse certificate: %s", test.name, err) 683 continue 684 } 685 686 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) { 687 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers) 688 } 689 690 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" { 691 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains) 692 } 693 694 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" { 695 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains) 696 } 697 698 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" { 699 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges) 700 } 701 702 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" { 703 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges) 704 } 705 706 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" { 707 t.Errorf("%s: failed to parse permitted email addreses: %#v", test.name, cert.PermittedEmailAddresses) 708 } 709 710 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" { 711 t.Errorf("%s: failed to parse excluded email addreses: %#v", test.name, cert.ExcludedEmailAddresses) 712 } 713 714 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" { 715 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains) 716 } 717 718 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" { 719 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains) 720 } 721 722 if cert.Subject.CommonName != commonName { 723 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName) 724 } 725 726 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" { 727 t.Errorf("%s: ExtraNames didn't override Country", test.name) 728 } 729 730 for _, ext := range cert.Extensions { 731 if ext.Id.Equal(oidExtensionSubjectAltName) { 732 if ext.Critical { 733 t.Fatal("SAN extension is marked critical") 734 } 735 } 736 } 737 738 found := false 739 for _, atv := range cert.Subject.Names { 740 if atv.Type.Equal([]int{2, 5, 4, 42}) { 741 found = true 742 break 743 } 744 } 745 if !found { 746 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name) 747 } 748 749 if cert.Issuer.CommonName != commonName { 750 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName) 751 } 752 753 if cert.SignatureAlgorithm != test.sigAlgo { 754 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo) 755 } 756 757 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) { 758 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage) 759 } 760 761 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) { 762 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) 763 } 764 765 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) { 766 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer) 767 } 768 769 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) { 770 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL) 771 } 772 773 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) { 774 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames) 775 } 776 777 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) { 778 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses) 779 } 780 781 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" { 782 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs) 783 } 784 785 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) { 786 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses) 787 } 788 789 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) { 790 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints) 791 } 792 793 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) { 794 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name) 795 } 796 797 if !bytes.Contains(derBytes, extraExtensionData) { 798 t.Errorf("%s: didn't find extra extension in DER output", test.name) 799 } 800 801 if test.checkSig { 802 err = cert.CheckSignatureFrom(cert) 803 if err != nil { 804 t.Errorf("%s: signature verification failed: %s", test.name, err) 805 } 806 } 807 } 808} 809 810// Self-signed certificate using ECDSA with SHA1 & secp256r1 811var ecdsaSHA1CertPem = ` 812-----BEGIN CERTIFICATE----- 813MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET 814MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG 815A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 816CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw 817WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 818b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg 819SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv 820bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn 821WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3 822P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2 823DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV 824a/A= 825-----END CERTIFICATE----- 826` 827 828// Self-signed certificate using ECDSA with SHA256 & secp256r1 829var ecdsaSHA256p256CertPem = ` 830-----BEGIN CERTIFICATE----- 831MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx 832EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT 833BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh 834BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx 835NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp 836Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs 837IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn 838b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt 8392ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm 840YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV 84170twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ 842h5wi 843-----END CERTIFICATE----- 844` 845 846// Self-signed certificate using ECDSA with SHA256 & secp384r1 847var ecdsaSHA256p384CertPem = ` 848-----BEGIN CERTIFICATE----- 849MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx 850EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 851BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 852CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0 853WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 854b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 855SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 856YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK 857jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze 858qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI 859zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr 860PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh 8613yILeYQzllt/g0rKVRk= 862-----END CERTIFICATE----- 863` 864 865// Self-signed certificate using ECDSA with SHA384 & secp521r1 866var ecdsaSHA384p521CertPem = ` 867-----BEGIN CERTIFICATE----- 868MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx 869EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 870BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 871CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5 872WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 873b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 874SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 875YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv 876IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz 877PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm 8788FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw 879gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH 880BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh 881kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa 882-----END CERTIFICATE----- 883` 884 885var ecdsaTests = []struct { 886 sigAlgo SignatureAlgorithm 887 pemCert string 888}{ 889 {ECDSAWithSHA256, ecdsaSHA256p256CertPem}, 890 {ECDSAWithSHA256, ecdsaSHA256p384CertPem}, 891 {ECDSAWithSHA384, ecdsaSHA384p521CertPem}, 892} 893 894func TestECDSA(t *testing.T) { 895 for i, test := range ecdsaTests { 896 pemBlock, _ := pem.Decode([]byte(test.pemCert)) 897 cert, err := ParseCertificate(pemBlock.Bytes) 898 if err != nil { 899 t.Errorf("%d: failed to parse certificate: %s", i, err) 900 continue 901 } 902 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo { 903 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo) 904 } 905 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok { 906 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey) 907 } 908 if pka := cert.PublicKeyAlgorithm; pka != ECDSA { 909 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka) 910 } 911 if err = cert.CheckSignatureFrom(cert); err != nil { 912 t.Errorf("%d: certificate verification failed: %s", i, err) 913 } 914 } 915} 916 917// Self-signed certificate using DSA with SHA1 918var dsaCertPem = `-----BEGIN CERTIFICATE----- 919MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC 920VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds 921ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs 922bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5 923MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG 924A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3 925DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB 926gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN 9278lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW 928jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5 929Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC 930X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz 931kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE 932AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5 933LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c 934bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud 935DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11 936ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w 937DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK 938b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx 939z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI 9407ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM 941-----END CERTIFICATE----- 942` 943 944func TestParseCertificateWithDsaPublicKey(t *testing.T) { 945 expectedKey := &dsa.PublicKey{ 946 Parameters: dsa.Parameters{ 947 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"), 948 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"), 949 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"), 950 }, 951 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"), 952 } 953 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 954 cert, err := ParseCertificate(pemBlock.Bytes) 955 if err != nil { 956 t.Fatalf("Failed to parse certificate: %s", err) 957 } 958 if cert.PublicKeyAlgorithm != DSA { 959 t.Errorf("Parsed key algorithm was not DSA") 960 } 961 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey) 962 if !ok { 963 t.Fatalf("Parsed key was not a DSA key: %s", err) 964 } 965 if expectedKey.Y.Cmp(parsedKey.Y) != 0 || 966 expectedKey.P.Cmp(parsedKey.P) != 0 || 967 expectedKey.Q.Cmp(parsedKey.Q) != 0 || 968 expectedKey.G.Cmp(parsedKey.G) != 0 { 969 t.Fatal("Parsed key differs from expected key") 970 } 971} 972 973func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) { 974 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 975 cert, err := ParseCertificate(pemBlock.Bytes) 976 if err != nil { 977 t.Fatalf("Failed to parse certificate: %s", err) 978 } 979 if cert.SignatureAlgorithm != DSAWithSHA1 { 980 t.Errorf("Parsed signature algorithm was not DSAWithSHA1") 981 } 982} 983 984func TestVerifyCertificateWithDSASignature(t *testing.T) { 985 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 986 cert, err := ParseCertificate(pemBlock.Bytes) 987 if err != nil { 988 t.Fatalf("Failed to parse certificate: %s", err) 989 } 990 // test cert is self-signed 991 if err = cert.CheckSignatureFrom(cert); err == nil { 992 t.Fatalf("Expected error verifying DSA certificate") 993 } 994} 995 996var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE----- 997MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA 998oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC 999SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1000aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1001U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC 1002SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1003aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1004U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST 10058nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl 1006yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W 1007PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj 10087TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT 1009UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn 1010defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK 1011bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es 1012yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS 10137nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek 1014tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE 1015qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV 1016Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP 1017fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg 1018hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC 1019AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n 1020li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR 1021TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3 1022kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66 1023U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c 102415gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv 1025C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN 10262BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO 1027FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9 1028qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2 1029+f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q== 1030-----END CERTIFICATE-----` 1031 1032// openssl req -newkey rsa:2048 -keyout test.key -sha256 -sigopt \ 1033// rsa_padding_mode:pss -sigopt rsa_pss_saltlen:32 -sigopt rsa_mgf1_md:sha256 \ 1034// -x509 -days 3650 -nodes -subj '/C=US/ST=CA/L=SF/O=Test/CN=Test' -out \ 1035// test.pem 1036var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE----- 1037MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI 1038AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV 1039BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx 1040DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF 1041MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK 1042DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB 1043CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp 1044qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj 1045TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM 1046+ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0 1047iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G 1048RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg 1049gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw 1050DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa 1051MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe 1052WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s 1053Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/ 1054656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6 1055wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w 1056Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J 1057+w9fjQ== 1058-----END CERTIFICATE-----` 1059 1060func TestRSAPSSSelfSigned(t *testing.T) { 1061 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} { 1062 der, _ := pem.Decode([]byte(pemBlock)) 1063 if der == nil { 1064 t.Errorf("#%d: failed to find PEM block", i) 1065 continue 1066 } 1067 1068 cert, err := ParseCertificate(der.Bytes) 1069 if err != nil { 1070 t.Errorf("#%d: failed to parse: %s", i, err) 1071 continue 1072 } 1073 1074 if err = cert.CheckSignatureFrom(cert); err != nil { 1075 t.Errorf("#%d: signature check failed: %s", i, err) 1076 continue 1077 } 1078 } 1079} 1080 1081const ed25519Certificate = ` 1082Certificate: 1083 Data: 1084 Version: 3 (0x2) 1085 Serial Number: 1086 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92 1087 Signature Algorithm: ED25519 1088 Issuer: CN = Ed25519 test certificate 1089 Validity 1090 Not Before: May 6 17:27:16 2019 GMT 1091 Not After : Jun 5 17:27:16 2019 GMT 1092 Subject: CN = Ed25519 test certificate 1093 Subject Public Key Info: 1094 Public Key Algorithm: ED25519 1095 ED25519 Public-Key: 1096 pub: 1097 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70: 1098 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a: 1099 3c:fa 1100 X509v3 extensions: 1101 X509v3 Subject Key Identifier: 1102 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1103 X509v3 Authority Key Identifier: 1104 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1105 1106 X509v3 Basic Constraints: critical 1107 CA:TRUE 1108 Signature Algorithm: ED25519 1109 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5: 1110 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5: 1111 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc: 1112 60:b9:d4:f4:78:4b:3c:1c:91:00 1113-----BEGIN CERTIFICATE----- 1114MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf 1115BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa 1116Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp 1117Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6 1118o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU 1119CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT 1120pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U 1121GtKoKNxgudT0eEs8HJEA 1122-----END CERTIFICATE-----` 1123 1124func TestEd25519SelfSigned(t *testing.T) { 1125 der, _ := pem.Decode([]byte(ed25519Certificate)) 1126 if der == nil { 1127 t.Fatalf("Failed to find PEM block") 1128 } 1129 1130 cert, err := ParseCertificate(der.Bytes) 1131 if err != nil { 1132 t.Fatalf("Failed to parse: %s", err) 1133 } 1134 1135 if cert.PublicKeyAlgorithm != Ed25519 { 1136 t.Fatalf("Parsed key algorithm was not Ed25519") 1137 } 1138 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey) 1139 if !ok { 1140 t.Fatalf("Parsed key was not an Ed25519 key: %s", err) 1141 } 1142 if len(parsedKey) != ed25519.PublicKeySize { 1143 t.Fatalf("Invalid Ed25519 key") 1144 } 1145 1146 if err = cert.CheckSignatureFrom(cert); err != nil { 1147 t.Fatalf("Signature check failed: %s", err) 1148 } 1149} 1150 1151const pemCertificate = `-----BEGIN CERTIFICATE----- 1152MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw 1153EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2 1154MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 1155ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4 1156jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH 1157qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK 1158yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB 1159EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I 11605Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF 1161oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC 1162EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7 1163X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6 11641fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai 1165/mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy 1166fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH 1167KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5 1168EhLrEqU= 1169-----END CERTIFICATE-----` 1170 1171const ed25519CRLCertificate = ` 1172Certificate: 1173Data: 1174 Version: 3 (0x2) 1175 Serial Number: 1176 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d 1177 Signature Algorithm: ED25519 1178 Issuer: CN = Ed25519 CRL Test CA 1179 Validity 1180 Not Before: Oct 30 01:20:20 2019 GMT 1181 Not After : Dec 31 23:59:59 9999 GMT 1182 Subject: CN = Ed25519 CRL Test CA 1183 Subject Public Key Info: 1184 Public Key Algorithm: ED25519 1185 ED25519 Public-Key: 1186 pub: 1187 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df: 1188 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f: 1189 75:21 1190 X509v3 extensions: 1191 X509v3 Key Usage: critical 1192 Digital Signature, Certificate Sign, CRL Sign 1193 X509v3 Extended Key Usage: 1194 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing 1195 X509v3 Basic Constraints: critical 1196 CA:TRUE 1197 X509v3 Subject Key Identifier: 1198 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1199 X509v3 Authority Key Identifier: 1200 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1201 1202Signature Algorithm: ED25519 1203 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e: 1204 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5: 1205 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1: 1206 ee:68:76:17:1d:90:cc:92:93:07 1207-----BEGIN CERTIFICATE----- 1208MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE 1209AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz 1210MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl 1211cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud 1212DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF 1213BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK 1214gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+ 1215FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA 12169mDH0e5odhcdkMySkwc= 1217-----END CERTIFICATE-----` 1218 1219var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY----- 1220MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG 1221-----END TEST KEY-----`) 1222 1223func TestCRLCreation(t *testing.T) { 1224 block, _ := pem.Decode([]byte(pemPrivateKey)) 1225 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes) 1226 block, _ = pem.Decode([]byte(pemCertificate)) 1227 certRSA, _ := ParseCertificate(block.Bytes) 1228 1229 block, _ = pem.Decode([]byte(ed25519CRLKey)) 1230 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes) 1231 block, _ = pem.Decode([]byte(ed25519CRLCertificate)) 1232 certEd25519, _ := ParseCertificate(block.Bytes) 1233 1234 tests := []struct { 1235 name string 1236 priv any 1237 cert *Certificate 1238 }{ 1239 {"RSA CA", privRSA, certRSA}, 1240 {"Ed25519 CA", privEd25519, certEd25519}, 1241 } 1242 1243 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds())) 1244 1245 now := time.Unix(1000, 0).In(loc) 1246 nowUTC := now.UTC() 1247 expiry := time.Unix(10000, 0) 1248 1249 revokedCerts := []pkix.RevokedCertificate{ 1250 { 1251 SerialNumber: big.NewInt(1), 1252 RevocationTime: nowUTC, 1253 }, 1254 { 1255 SerialNumber: big.NewInt(42), 1256 // RevocationTime should be converted to UTC before marshaling. 1257 RevocationTime: now, 1258 }, 1259 } 1260 expectedCerts := []pkix.RevokedCertificate{ 1261 { 1262 SerialNumber: big.NewInt(1), 1263 RevocationTime: nowUTC, 1264 }, 1265 { 1266 SerialNumber: big.NewInt(42), 1267 RevocationTime: nowUTC, 1268 }, 1269 } 1270 1271 for _, test := range tests { 1272 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry) 1273 if err != nil { 1274 t.Errorf("%s: error creating CRL: %s", test.name, err) 1275 } 1276 1277 parsedCRL, err := ParseDERCRL(crlBytes) 1278 if err != nil { 1279 t.Errorf("%s: error reparsing CRL: %s", test.name, err) 1280 } 1281 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) { 1282 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name, 1283 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) 1284 } 1285 } 1286} 1287 1288func fromBase64(in string) []byte { 1289 out := make([]byte, base64.StdEncoding.DecodedLen(len(in))) 1290 n, err := base64.StdEncoding.Decode(out, []byte(in)) 1291 if err != nil { 1292 panic("failed to base64 decode") 1293 } 1294 return out[:n] 1295} 1296 1297func TestParseDERCRL(t *testing.T) { 1298 derBytes := fromBase64(derCRLBase64) 1299 certList, err := ParseDERCRL(derBytes) 1300 if err != nil { 1301 t.Errorf("error parsing: %s", err) 1302 return 1303 } 1304 numCerts := len(certList.TBSCertList.RevokedCertificates) 1305 expected := 88 1306 if numCerts != expected { 1307 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1308 } 1309 1310 if certList.HasExpired(time.Unix(1302517272, 0)) { 1311 t.Errorf("CRL has expired (but shouldn't have)") 1312 } 1313 1314 // Can't check the signature here without a package cycle. 1315} 1316 1317func TestCRLWithoutExpiry(t *testing.T) { 1318 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh") 1319 certList, err := ParseDERCRL(derBytes) 1320 if err != nil { 1321 t.Fatal(err) 1322 } 1323 if !certList.TBSCertList.NextUpdate.IsZero() { 1324 t.Errorf("NextUpdate is not the zero value") 1325 } 1326} 1327 1328func TestParsePEMCRL(t *testing.T) { 1329 pemBytes := fromBase64(pemCRLBase64) 1330 certList, err := ParseCRL(pemBytes) 1331 if err != nil { 1332 t.Errorf("error parsing: %s", err) 1333 return 1334 } 1335 numCerts := len(certList.TBSCertList.RevokedCertificates) 1336 expected := 2 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 TestImports(t *testing.T) { 1349 if testing.Short() { 1350 t.Skip("skipping in -short mode") 1351 } 1352 testenv.MustHaveGoRun(t) 1353 1354 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil { 1355 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out) 1356 } 1357} 1358 1359const derCRLBase64 = "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" 1360 1361const pemCRLBase64 = "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" 1362 1363func TestCreateCertificateRequest(t *testing.T) { 1364 random := rand.Reader 1365 1366 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 1367 if err != nil { 1368 t.Fatalf("Failed to generate ECDSA key: %s", err) 1369 } 1370 1371 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader) 1372 if err != nil { 1373 t.Fatalf("Failed to generate ECDSA key: %s", err) 1374 } 1375 1376 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader) 1377 if err != nil { 1378 t.Fatalf("Failed to generate ECDSA key: %s", err) 1379 } 1380 1381 _, ed25519Priv, err := ed25519.GenerateKey(random) 1382 if err != nil { 1383 t.Fatalf("Failed to generate Ed25519 key: %s", err) 1384 } 1385 1386 tests := []struct { 1387 name string 1388 priv any 1389 sigAlgo SignatureAlgorithm 1390 }{ 1391 {"RSA", testPrivateKey, SHA256WithRSA}, 1392 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256}, 1393 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256}, 1394 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256}, 1395 {"Ed25519", ed25519Priv, PureEd25519}, 1396 } 1397 1398 for _, test := range tests { 1399 template := CertificateRequest{ 1400 Subject: pkix.Name{ 1401 CommonName: "test.example.com", 1402 Organization: []string{"Σ Acme Co"}, 1403 }, 1404 SignatureAlgorithm: test.sigAlgo, 1405 DNSNames: []string{"test.example.com"}, 1406 EmailAddresses: []string{"gopher@golang.org"}, 1407 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 1408 } 1409 1410 derBytes, err := CreateCertificateRequest(random, &template, test.priv) 1411 if err != nil { 1412 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1413 continue 1414 } 1415 1416 out, err := ParseCertificateRequest(derBytes) 1417 if err != nil { 1418 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1419 continue 1420 } 1421 1422 err = out.CheckSignature() 1423 if err != nil { 1424 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err) 1425 continue 1426 } 1427 1428 if out.Subject.CommonName != template.Subject.CommonName { 1429 t.Errorf("%s: output subject common name and template subject common name don't match", test.name) 1430 } else if len(out.Subject.Organization) != len(template.Subject.Organization) { 1431 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name) 1432 } else if len(out.DNSNames) != len(template.DNSNames) { 1433 t.Errorf("%s: output DNS names and template DNS names don't match", test.name) 1434 } else if len(out.EmailAddresses) != len(template.EmailAddresses) { 1435 t.Errorf("%s: output email addresses and template email addresses don't match", test.name) 1436 } else if len(out.IPAddresses) != len(template.IPAddresses) { 1437 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name) 1438 } 1439 } 1440} 1441 1442func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest { 1443 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey) 1444 if err != nil { 1445 t.Fatal(err) 1446 } 1447 1448 csr, err := ParseCertificateRequest(derBytes) 1449 if err != nil { 1450 t.Fatal(err) 1451 } 1452 1453 return csr 1454} 1455 1456func TestCertificateRequestOverrides(t *testing.T) { 1457 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil) 1458 if err != nil { 1459 t.Fatal(err) 1460 } 1461 1462 template := CertificateRequest{ 1463 Subject: pkix.Name{ 1464 CommonName: "test.example.com", 1465 Organization: []string{"Σ Acme Co"}, 1466 }, 1467 DNSNames: []string{"test.example.com"}, 1468 1469 // An explicit extension should override the DNSNames from the 1470 // template. 1471 ExtraExtensions: []pkix.Extension{ 1472 { 1473 Id: oidExtensionSubjectAltName, 1474 Value: sanContents, 1475 Critical: true, 1476 }, 1477 }, 1478 } 1479 1480 csr := marshalAndParseCSR(t, &template) 1481 1482 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" { 1483 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames) 1484 } 1485 1486 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical { 1487 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions) 1488 } 1489 1490 // If there is already an attribute with X.509 extensions then the 1491 // extra extensions should be added to it rather than creating a CSR 1492 // with two extension attributes. 1493 1494 template.Attributes = []pkix.AttributeTypeAndValueSET{ 1495 { 1496 Type: oidExtensionRequest, 1497 Value: [][]pkix.AttributeTypeAndValue{ 1498 { 1499 { 1500 Type: oidExtensionAuthorityInfoAccess, 1501 Value: []byte("foo"), 1502 }, 1503 }, 1504 }, 1505 }, 1506 } 1507 1508 csr = marshalAndParseCSR(t, &template) 1509 if l := len(csr.Attributes); l != 1 { 1510 t.Errorf("incorrect number of attributes: %d\n", l) 1511 } 1512 1513 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) || 1514 len(csr.Attributes[0].Value) != 1 || 1515 len(csr.Attributes[0].Value[0]) != 2 { 1516 t.Errorf("bad attributes: %#v\n", csr.Attributes) 1517 } 1518 1519 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil) 1520 if err != nil { 1521 t.Fatal(err) 1522 } 1523 1524 // Extensions in Attributes should override those in ExtraExtensions. 1525 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{ 1526 Type: oidExtensionSubjectAltName, 1527 Value: sanContents2, 1528 }) 1529 1530 csr = marshalAndParseCSR(t, &template) 1531 1532 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" { 1533 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames) 1534 } 1535} 1536 1537func TestParseCertificateRequest(t *testing.T) { 1538 for _, csrBase64 := range csrBase64Array { 1539 csrBytes := fromBase64(csrBase64) 1540 csr, err := ParseCertificateRequest(csrBytes) 1541 if err != nil { 1542 t.Fatalf("failed to parse CSR: %s", err) 1543 } 1544 1545 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" { 1546 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses) 1547 } 1548 1549 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" { 1550 t.Errorf("incorrect DNS names found: %v", csr.DNSNames) 1551 } 1552 1553 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" { 1554 t.Errorf("incorrect Subject name: %v", csr.Subject) 1555 } 1556 1557 found := false 1558 for _, e := range csr.Extensions { 1559 if e.Id.Equal(oidExtensionBasicConstraints) { 1560 found = true 1561 break 1562 } 1563 } 1564 if !found { 1565 t.Errorf("basic constraints extension not found in CSR") 1566 } 1567 } 1568} 1569 1570func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) { 1571 // This CSR contains an extension request where the extensions have a 1572 // critical flag in them. In the past we failed to handle this. 1573 const csrBase64 = "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" 1574 1575 csrBytes := fromBase64(csrBase64) 1576 csr, err := ParseCertificateRequest(csrBytes) 1577 if err != nil { 1578 t.Fatalf("failed to parse CSR: %s", err) 1579 } 1580 1581 expected := []struct { 1582 Id asn1.ObjectIdentifier 1583 Value []byte 1584 }{ 1585 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")}, 1586 {oidExtensionKeyUsage, fromBase64("AwIChA==")}, 1587 } 1588 1589 if n := len(csr.Extensions); n != len(expected) { 1590 t.Fatalf("expected to find %d extensions but found %d", len(expected), n) 1591 } 1592 1593 for i, extension := range csr.Extensions { 1594 if !extension.Id.Equal(expected[i].Id) { 1595 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id) 1596 } 1597 1598 if !bytes.Equal(extension.Value, expected[i].Value) { 1599 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value) 1600 } 1601 } 1602} 1603 1604// serialiseAndParse generates a self-signed certificate from template and 1605// returns a parsed version of it. 1606func serialiseAndParse(t *testing.T, template *Certificate) *Certificate { 1607 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey) 1608 if err != nil { 1609 t.Fatalf("failed to create certificate: %s", err) 1610 return nil 1611 } 1612 1613 cert, err := ParseCertificate(derBytes) 1614 if err != nil { 1615 t.Fatalf("failed to parse certificate: %s", err) 1616 return nil 1617 } 1618 1619 return cert 1620} 1621 1622func TestMaxPathLenNotCA(t *testing.T) { 1623 template := &Certificate{ 1624 SerialNumber: big.NewInt(1), 1625 Subject: pkix.Name{ 1626 CommonName: "Σ Acme Co", 1627 }, 1628 NotBefore: time.Unix(1000, 0), 1629 NotAfter: time.Unix(100000, 0), 1630 1631 BasicConstraintsValid: true, 1632 IsCA: false, 1633 } 1634 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 { 1635 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m) 1636 } 1637 1638 template.MaxPathLen = -1 1639 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 { 1640 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m) 1641 } 1642 1643 template.MaxPathLen = 5 1644 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil { 1645 t.Error("specifying a MaxPathLen when IsCA is false should fail") 1646 } 1647 1648 template.MaxPathLen = 0 1649 template.MaxPathLenZero = true 1650 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil { 1651 t.Error("setting MaxPathLenZero when IsCA is false should fail") 1652 } 1653 1654 template.BasicConstraintsValid = false 1655 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 { 1656 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m) 1657 } 1658} 1659 1660func TestMaxPathLen(t *testing.T) { 1661 template := &Certificate{ 1662 SerialNumber: big.NewInt(1), 1663 Subject: pkix.Name{ 1664 CommonName: "Σ Acme Co", 1665 }, 1666 NotBefore: time.Unix(1000, 0), 1667 NotAfter: time.Unix(100000, 0), 1668 1669 BasicConstraintsValid: true, 1670 IsCA: true, 1671 } 1672 1673 cert1 := serialiseAndParse(t, template) 1674 if m := cert1.MaxPathLen; m != -1 { 1675 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m) 1676 } 1677 if cert1.MaxPathLenZero { 1678 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero") 1679 } 1680 1681 template.MaxPathLen = 1 1682 cert2 := serialiseAndParse(t, template) 1683 if m := cert2.MaxPathLen; m != 1 { 1684 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m) 1685 } 1686 if cert2.MaxPathLenZero { 1687 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero") 1688 } 1689 1690 template.MaxPathLen = 0 1691 template.MaxPathLenZero = true 1692 cert3 := serialiseAndParse(t, template) 1693 if m := cert3.MaxPathLen; m != 0 { 1694 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m) 1695 } 1696 if !cert3.MaxPathLenZero { 1697 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero") 1698 } 1699} 1700 1701func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) { 1702 template := &Certificate{ 1703 SerialNumber: big.NewInt(1), 1704 Subject: pkix.Name{ 1705 CommonName: "Σ Acme Co", 1706 }, 1707 NotBefore: time.Unix(1000, 0), 1708 NotAfter: time.Unix(100000, 0), 1709 1710 BasicConstraintsValid: true, 1711 IsCA: true, 1712 SubjectKeyId: []byte{1, 2, 3, 4}, 1713 } 1714 1715 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 { 1716 t.Fatalf("self-signed certificate contained default authority key id") 1717 } 1718 1719 template.AuthorityKeyId = []byte{1, 2, 3, 4} 1720 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 { 1721 t.Fatalf("self-signed certificate erased explicit authority key id") 1722 } 1723} 1724 1725func TestNoSubjectKeyIdInCert(t *testing.T) { 1726 template := &Certificate{ 1727 SerialNumber: big.NewInt(1), 1728 Subject: pkix.Name{ 1729 CommonName: "Σ Acme Co", 1730 }, 1731 NotBefore: time.Unix(1000, 0), 1732 NotAfter: time.Unix(100000, 0), 1733 1734 BasicConstraintsValid: true, 1735 IsCA: true, 1736 } 1737 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 { 1738 t.Fatalf("self-signed certificate did not generate subject key id using the public key") 1739 } 1740 1741 template.IsCA = false 1742 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 { 1743 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA") 1744 } 1745 1746 template.SubjectKeyId = []byte{1, 2, 3, 4} 1747 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 { 1748 t.Fatalf("self-signed certificate erased explicit subject key id") 1749 } 1750} 1751 1752func TestASN1BitLength(t *testing.T) { 1753 tests := []struct { 1754 bytes []byte 1755 bitLen int 1756 }{ 1757 {nil, 0}, 1758 {[]byte{0x00}, 0}, 1759 {[]byte{0x00, 0x00}, 0}, 1760 {[]byte{0xf0}, 4}, 1761 {[]byte{0x88}, 5}, 1762 {[]byte{0xff}, 8}, 1763 {[]byte{0xff, 0x80}, 9}, 1764 {[]byte{0xff, 0x81}, 16}, 1765 } 1766 1767 for i, test := range tests { 1768 if got := asn1BitLength(test.bytes); got != test.bitLen { 1769 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen) 1770 } 1771 } 1772} 1773 1774func TestVerifyEmptyCertificate(t *testing.T) { 1775 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed { 1776 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed) 1777 } 1778} 1779 1780func TestInsecureAlgorithmErrorString(t *testing.T) { 1781 tests := []struct { 1782 sa SignatureAlgorithm 1783 want string 1784 }{ 1785 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"}, 1786 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA (temporarily override with GODEBUG=x509sha1=1)"}, 1787 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1 (temporarily override with GODEBUG=x509sha1=1)"}, 1788 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm MD2-RSA"}, 1789 {-1, "x509: cannot verify signature: insecure algorithm -1"}, 1790 {0, "x509: cannot verify signature: insecure algorithm 0"}, 1791 {9999, "x509: cannot verify signature: insecure algorithm 9999"}, 1792 } 1793 for i, tt := range tests { 1794 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want { 1795 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want) 1796 } 1797 } 1798} 1799 1800// These CSR was generated with OpenSSL: 1801// openssl req -out CSR.csr -new -sha256 -nodes -keyout privateKey.key -config openssl.cnf 1802// 1803// With openssl.cnf containing the following sections: 1804// [ v3_req ] 1805// basicConstraints = CA:FALSE 1806// keyUsage = nonRepudiation, digitalSignature, keyEncipherment 1807// subjectAltName = email:gopher@golang.org,DNS:test.example.com 1808// [ req_attributes ] 1809// challengePassword = ignored challenge 1810// unstructuredName = ignored unstructured name 1811var csrBase64Array = [...]string{ 1812 // Just [ v3_req ] 1813 "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=", 1814 // Both [ v3_req ] and [ req_attributes ] 1815 "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", 1816} 1817 1818var md5cert = ` 1819-----BEGIN CERTIFICATE----- 1820MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB 1821VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx 1822MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE 1823CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB 1824BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf 1825Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs 1826cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB 1827AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY 1828cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw 1829GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa 1830qViorq4= 1831-----END CERTIFICATE----- 1832` 1833 1834func TestMD5(t *testing.T) { 1835 pemBlock, _ := pem.Decode([]byte(md5cert)) 1836 cert, err := ParseCertificate(pemBlock.Bytes) 1837 if err != nil { 1838 t.Fatalf("failed to parse certificate: %s", err) 1839 } 1840 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA { 1841 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA) 1842 } 1843 if err = cert.CheckSignatureFrom(cert); err == nil { 1844 t.Fatalf("certificate verification succeeded incorrectly") 1845 } 1846 if _, ok := err.(InsecureAlgorithmError); !ok { 1847 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1848 } 1849} 1850 1851func TestSHA1(t *testing.T) { 1852 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem)) 1853 cert, err := ParseCertificate(pemBlock.Bytes) 1854 if err != nil { 1855 t.Fatalf("failed to parse certificate: %s", err) 1856 } 1857 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 { 1858 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1) 1859 } 1860 if err = cert.CheckSignatureFrom(cert); err == nil { 1861 t.Fatalf("certificate verification succeeded incorrectly") 1862 } 1863 if _, ok := err.(InsecureAlgorithmError); !ok { 1864 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1865 } 1866 1867 defer func(old bool) { debugAllowSHA1 = old }(debugAllowSHA1) 1868 debugAllowSHA1 = true 1869 1870 if err = cert.CheckSignatureFrom(cert); err != nil { 1871 t.Fatalf("SHA-1 certificate did not verify with GODEBUG=x509sha1=1: %v", err) 1872 } 1873} 1874 1875// certMissingRSANULL contains an RSA public key where the AlgorithmIdentifier 1876// parameters are omitted rather than being an ASN.1 NULL. 1877const certMissingRSANULL = ` 1878-----BEGIN CERTIFICATE----- 1879MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD 1880bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4 1881MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc 1882MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG 1883hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE 1884ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e 1885E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw 1886DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A 1887p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4 1888hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE 1889GFGNEH5PlGffo05wc46QkYU= 1890-----END CERTIFICATE-----` 1891 1892func TestRSAMissingNULLParameters(t *testing.T) { 1893 block, _ := pem.Decode([]byte(certMissingRSANULL)) 1894 if _, err := ParseCertificate(block.Bytes); err == nil { 1895 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter") 1896 } else if !strings.Contains(err.Error(), "missing NULL") { 1897 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err) 1898 } 1899} 1900 1901const certISOOID = ` 1902-----BEGIN CERTIFICATE----- 1903MIIB5TCCAVKgAwIBAgIQtwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN 1904BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx 1905DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH 1906GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86 1907BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw 19085O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw 1909OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW 1910V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE 1911J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2 1912NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu 1913MCRtdSdaM7g3 1914-----END CERTIFICATE-----` 1915 1916func TestISOOIDInCertificate(t *testing.T) { 1917 block, _ := pem.Decode([]byte(certISOOID)) 1918 if cert, err := ParseCertificate(block.Bytes); err != nil { 1919 t.Errorf("certificate with ISO OID failed to parse: %s", err) 1920 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm { 1921 t.Errorf("ISO OID not recognised in certificate") 1922 } 1923} 1924 1925// certMultipleRDN contains a RelativeDistinguishedName with two elements (the 1926// common name and serial number). This particular certificate was the first 1927// such certificate in the “Pilot” Certificate Transparency log. 1928const certMultipleRDN = ` 1929-----BEGIN CERTIFICATE----- 1930MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz 1931aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j 1932YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz 1933aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy 1934dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw 1935MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB 1936BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM 1937098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf 1938HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv 1939oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI 1940zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/ 1941y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G 1942A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF 1943BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw 1944b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE 1945BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln 1946b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu 1947c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp 1948Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292 1949LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda 1950gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY 1951PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ 1952KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y 1953BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5 1954ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9 19559C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R 1956uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd 1957La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF 1958DF72IUofoVt7wo0= 1959-----END CERTIFICATE-----` 1960 1961func TestMultipleRDN(t *testing.T) { 1962 block, _ := pem.Decode([]byte(certMultipleRDN)) 1963 cert, err := ParseCertificate(block.Bytes) 1964 if err != nil { 1965 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err) 1966 } 1967 1968 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want { 1969 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want) 1970 } 1971 1972 if want := "1236484010010"; cert.Subject.SerialNumber != want { 1973 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want) 1974 } 1975} 1976 1977func TestSystemCertPool(t *testing.T) { 1978 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" { 1979 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)") 1980 } 1981 a, err := SystemCertPool() 1982 if err != nil { 1983 t.Fatal(err) 1984 } 1985 b, err := SystemCertPool() 1986 if err != nil { 1987 t.Fatal(err) 1988 } 1989 if !certPoolEqual(a, b) { 1990 t.Fatal("two calls to SystemCertPool had different results") 1991 } 1992 if ok := b.AppendCertsFromPEM([]byte(` 1993-----BEGIN CERTIFICATE----- 1994MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw 1995EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2 1996MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 1997ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf 1998cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD 1999yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM 2000jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01 2001IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl 2002VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF 2003oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC 2004FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR 2005BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs 20061cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub 2007YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI 2008gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq 2009N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6 2010pa/O1nF0AfWOpw== 2011-----END CERTIFICATE----- 2012 `)); !ok { 2013 t.Fatal("AppendCertsFromPEM failed") 2014 } 2015 if reflect.DeepEqual(a, b) { 2016 t.Fatal("changing one pool modified the other") 2017 } 2018} 2019 2020const emptyNameConstraintsPEM = ` 2021-----BEGIN CERTIFICATE----- 2022MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2023dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2024NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2025IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2026F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2027f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2028Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2029LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2030blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2031AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH 2032QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb 20336L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H 2034v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M 2035LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga 2036nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8 2037o+WoY6IsCKXV/g== 2038-----END CERTIFICATE-----` 2039 2040func TestEmptyNameConstraints(t *testing.T) { 2041 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM)) 2042 _, err := ParseCertificate(block.Bytes) 2043 if err == nil { 2044 t.Fatal("unexpected success") 2045 } 2046 2047 const expected = "empty name constraints" 2048 if str := err.Error(); !strings.Contains(str, expected) { 2049 t.Errorf("expected %q in error but got %q", expected, str) 2050 } 2051} 2052 2053func TestPKIXNameString(t *testing.T) { 2054 der, err := base64.StdEncoding.DecodeString(certBytes) 2055 if err != nil { 2056 t.Fatal(err) 2057 } 2058 certs, err := ParseCertificates(der) 2059 if err != nil { 2060 t.Fatal(err) 2061 } 2062 2063 // Check that parsed non-standard attributes are printed. 2064 rdns := pkix.Name{ 2065 Locality: []string{"Gophertown"}, 2066 ExtraNames: []pkix.AttributeTypeAndValue{ 2067 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2068 }.ToRDNSequence() 2069 nn := pkix.Name{} 2070 nn.FillFromRDNSequence(&rdns) 2071 2072 // Check that zero-length non-nil ExtraNames hide Names. 2073 extra := []pkix.AttributeTypeAndValue{ 2074 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}} 2075 extraNotNil := pkix.Name{ 2076 Locality: []string{"Gophertown"}, 2077 ExtraNames: extra[:0], 2078 Names: []pkix.AttributeTypeAndValue{ 2079 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2080 } 2081 2082 tests := []struct { 2083 dn pkix.Name 2084 want string 2085 }{ 2086 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"}, 2087 {extraNotNil, "L=Gophertown"}, 2088 {pkix.Name{ 2089 CommonName: "Steve Kille", 2090 Organization: []string{"Isode Limited"}, 2091 OrganizationalUnit: []string{"RFCs"}, 2092 Locality: []string{"Richmond"}, 2093 Province: []string{"Surrey"}, 2094 StreetAddress: []string{"The Square"}, 2095 PostalCode: []string{"TW9 1DT"}, 2096 SerialNumber: "RFC 2253", 2097 Country: []string{"GB"}, 2098 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"}, 2099 {certs[0].Subject, 2100 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"}, 2101 {pkix.Name{ 2102 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "}, 2103 Country: []string{"US"}, 2104 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"}, 2105 {pkix.Name{ 2106 CommonName: "foo.com", 2107 Organization: []string{"Gopher Industries"}, 2108 ExtraNames: []pkix.AttributeTypeAndValue{ 2109 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}}, 2110 }, "CN=bar.com,O=Gopher Industries"}, 2111 {pkix.Name{ 2112 Locality: []string{"Gophertown"}, 2113 ExtraNames: []pkix.AttributeTypeAndValue{ 2114 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2115 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2116 // If there are no ExtraNames, the Names are printed instead. 2117 {pkix.Name{ 2118 Locality: []string{"Gophertown"}, 2119 Names: []pkix.AttributeTypeAndValue{ 2120 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2121 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"}, 2122 // If there are both, print only the ExtraNames. 2123 {pkix.Name{ 2124 Locality: []string{"Gophertown"}, 2125 ExtraNames: []pkix.AttributeTypeAndValue{ 2126 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2127 Names: []pkix.AttributeTypeAndValue{ 2128 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}}, 2129 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2130 } 2131 2132 for i, test := range tests { 2133 if got := test.dn.String(); got != test.want { 2134 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2135 } 2136 } 2137 2138 if extra[0].Value != "backing array" { 2139 t.Errorf("the backing array of an empty ExtraNames got modified by String") 2140 } 2141} 2142 2143func TestRDNSequenceString(t *testing.T) { 2144 // Test some extra cases that get lost in pkix.Name conversions such as 2145 // multi-valued attributes. 2146 2147 var ( 2148 oidCountry = []int{2, 5, 4, 6} 2149 oidOrganization = []int{2, 5, 4, 10} 2150 oidOrganizationalUnit = []int{2, 5, 4, 11} 2151 oidCommonName = []int{2, 5, 4, 3} 2152 ) 2153 2154 tests := []struct { 2155 seq pkix.RDNSequence 2156 want string 2157 }{ 2158 { 2159 seq: pkix.RDNSequence{ 2160 pkix.RelativeDistinguishedNameSET{ 2161 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"}, 2162 }, 2163 pkix.RelativeDistinguishedNameSET{ 2164 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."}, 2165 }, 2166 pkix.RelativeDistinguishedNameSET{ 2167 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"}, 2168 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"}, 2169 }, 2170 }, 2171 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US", 2172 }, 2173 } 2174 2175 for i, test := range tests { 2176 if got := test.seq.String(); got != test.want { 2177 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2178 } 2179 } 2180} 2181 2182const criticalNameConstraintWithUnknownTypePEM = ` 2183-----BEGIN CERTIFICATE----- 2184MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2185dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2186NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2187IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2188F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2189f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2190Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2191LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2192blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2193AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A 2194AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy 2195im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ 2196Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl 2197eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA 2198/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO 2199ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV 2200/g== 2201-----END CERTIFICATE-----` 2202 2203func TestCriticalNameConstraintWithUnknownType(t *testing.T) { 2204 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM)) 2205 cert, err := ParseCertificate(block.Bytes) 2206 if err != nil { 2207 t.Fatalf("unexpected parsing failure: %s", err) 2208 } 2209 2210 if l := len(cert.UnhandledCriticalExtensions); l != 1 { 2211 t.Fatalf("expected one unhandled critical extension, but found %d", l) 2212 } 2213} 2214 2215const badIPMaskPEM = ` 2216-----BEGIN CERTIFICATE----- 2217MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk 2218IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow 2219FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 2220ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+ 22218DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj 2222cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn 2223cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j 2224TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa 2225OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg 2226DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B 2227IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV 2228EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7 2229VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh 2230E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a 2231Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI 2232pdX+ 2233-----END CERTIFICATE-----` 2234 2235func TestBadIPMask(t *testing.T) { 2236 block, _ := pem.Decode([]byte(badIPMaskPEM)) 2237 _, err := ParseCertificate(block.Bytes) 2238 if err == nil { 2239 t.Fatalf("unexpected success") 2240 } 2241 2242 const expected = "contained invalid mask" 2243 if !strings.Contains(err.Error(), expected) { 2244 t.Fatalf("expected %q in error but got: %s", expected, err) 2245 } 2246} 2247 2248const additionalGeneralSubtreePEM = ` 2249-----BEGIN CERTIFICATE----- 2250MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw 2251bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2252MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg 2253QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow 2254bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT 2255GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC 2256cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW 22574kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M 22588FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD 2259dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs 2260Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/ 2261rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG 2262Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr 2263BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w 2264N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw 2265AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs 2266aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK 2267YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl 2268Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH 2269AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv 2270MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k 2271ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw 2272LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2273gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE 2274EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB 2275AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA 2276A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng 22775YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB 2278dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn 22796OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6 22808vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE 2281u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW 2282i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc 2283fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo 2284QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq 2285nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD 2286xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw== 2287-----END CERTIFICATE-----` 2288 2289func TestAdditionFieldsInGeneralSubtree(t *testing.T) { 2290 // Very rarely, certificates can include additional fields in the 2291 // GeneralSubtree structure. This tests that such certificates can be 2292 // parsed. 2293 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM)) 2294 if _, err := ParseCertificate(block.Bytes); err != nil { 2295 t.Fatalf("failed to parse certificate: %s", err) 2296 } 2297} 2298 2299func TestEmptySubject(t *testing.T) { 2300 template := Certificate{ 2301 SerialNumber: big.NewInt(1), 2302 DNSNames: []string{"example.com"}, 2303 } 2304 2305 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey) 2306 if err != nil { 2307 t.Fatalf("failed to create certificate: %s", err) 2308 } 2309 2310 cert, err := ParseCertificate(derBytes) 2311 if err != nil { 2312 t.Fatalf("failed to parse certificate: %s", err) 2313 } 2314 2315 for _, ext := range cert.Extensions { 2316 if ext.Id.Equal(oidExtensionSubjectAltName) { 2317 if !ext.Critical { 2318 t.Fatal("SAN extension is not critical") 2319 } 2320 return 2321 } 2322 } 2323 2324 t.Fatal("SAN extension is missing") 2325} 2326 2327// multipleURLsInCRLDPPEM contains two URLs in a single CRL DistributionPoint 2328// structure. It is taken from https://crt.sh/?id=12721534. 2329const multipleURLsInCRLDPPEM = ` 2330-----BEGIN CERTIFICATE----- 2331MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB 23328zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy 2333dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1 2334YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3 2335dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh 2336IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD 2337LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG 2338EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg 2339Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj 2340YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA 2341A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y 2342TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak 2343YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL 2344Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW 2345jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ 2346OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV 2347HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI 2348oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w 2349gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93 2350d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1 2351ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg 2352YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h 2353b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF 2354BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn 2355aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v 2356ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA 2357A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL 2358PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex 23593Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu 2360labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6 2361oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+ 2362eVxXDTCfs7GUlxnjOp5j559X/N0A 2363-----END CERTIFICATE----- 2364` 2365 2366func TestMultipleURLsInCRLDP(t *testing.T) { 2367 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM)) 2368 cert, err := ParseCertificate(block.Bytes) 2369 if err != nil { 2370 t.Fatalf("failed to parse certificate: %s", err) 2371 } 2372 2373 want := []string{ 2374 "http://epscd.catcert.net/crl/ec-acc.crl", 2375 "http://epscd2.catcert.net/crl/ec-acc.crl", 2376 } 2377 if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) { 2378 t.Errorf("CRL distribution points = %#v, want #%v", got, want) 2379 } 2380} 2381 2382const hexPKCS1TestPKCS8Key = "30820278020100300d06092a864886f70d0101010500048202623082025e02010002818100cfb1b5bf9685ffa97b4f99df4ff122b70e59ac9b992f3bc2b3dde17d53c1a34928719b02e8fd17839499bfbd515bd6ef99c7a1c47a239718fe36bfd824c0d96060084b5f67f0273443007a24dfaf5634f7772c9346e10eb294c2306671a5a5e719ae24b4de467291bc571014b0e02dec04534d66a9bb171d644b66b091780e8d020301000102818100b595778383c4afdbab95d2bfed12b3f93bb0a73a7ad952f44d7185fd9ec6c34de8f03a48770f2009c8580bcd275e9632714e9a5e3f32f29dc55474b2329ff0ebc08b3ffcb35bc96e6516b483df80a4a59cceb71918cbabf91564e64a39d7e35dce21cb3031824fdbc845dba6458852ec16af5dddf51a8397a8797ae0337b1439024100ea0eb1b914158c70db39031dd8904d6f18f408c85fbbc592d7d20dee7986969efbda081fdf8bc40e1b1336d6b638110c836bfdc3f314560d2e49cd4fbde1e20b024100e32a4e793b574c9c4a94c8803db5152141e72d03de64e54ef2c8ed104988ca780cd11397bc359630d01b97ebd87067c5451ba777cf045ca23f5912f1031308c702406dfcdbbd5a57c9f85abc4edf9e9e29153507b07ce0a7ef6f52e60dcfebe1b8341babd8b789a837485da6c8d55b29bbb142ace3c24a1f5b54b454d01b51e2ad03024100bd6a2b60dee01e1b3bfcef6a2f09ed027c273cdbbaf6ba55a80f6dcc64e4509ee560f84b4f3e076bd03b11e42fe71a3fdd2dffe7e0902c8584f8cad877cdc945024100aa512fa4ada69881f1d8bb8ad6614f192b83200aef5edf4811313d5ef30a86cbd0a90f7b025c71ea06ec6b34db6306c86b1040670fd8654ad7291d066d06d031" 2383const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50" 2384 2385var pkcs1MismatchKeyTests = []struct { 2386 hexKey string 2387 errorContains string 2388}{ 2389 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"}, 2390 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"}, 2391} 2392 2393func TestPKCS1MismatchKeyFormat(t *testing.T) { 2394 for i, test := range pkcs1MismatchKeyTests { 2395 derBytes, _ := hex.DecodeString(test.hexKey) 2396 _, err := ParsePKCS1PrivateKey(derBytes) 2397 if !strings.Contains(err.Error(), test.errorContains) { 2398 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err) 2399 } 2400 } 2401} 2402 2403func TestCreateRevocationList(t *testing.T) { 2404 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2405 if err != nil { 2406 t.Fatalf("Failed to generate ECDSA P256 key: %s", err) 2407 } 2408 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader) 2409 if err != nil { 2410 t.Fatalf("Failed to generate Ed25519 key: %s", err) 2411 } 2412 tests := []struct { 2413 name string 2414 key crypto.Signer 2415 issuer *Certificate 2416 template *RevocationList 2417 expectedError string 2418 }{ 2419 { 2420 name: "nil template", 2421 key: ec256Priv, 2422 issuer: nil, 2423 template: nil, 2424 expectedError: "x509: template can not be nil", 2425 }, 2426 { 2427 name: "nil issuer", 2428 key: ec256Priv, 2429 issuer: nil, 2430 template: &RevocationList{}, 2431 expectedError: "x509: issuer can not be nil", 2432 }, 2433 { 2434 name: "issuer doesn't have crlSign key usage bit set", 2435 key: ec256Priv, 2436 issuer: &Certificate{ 2437 KeyUsage: KeyUsageCertSign, 2438 }, 2439 template: &RevocationList{}, 2440 expectedError: "x509: issuer must have the crlSign key usage bit set", 2441 }, 2442 { 2443 name: "issuer missing SubjectKeyId", 2444 key: ec256Priv, 2445 issuer: &Certificate{ 2446 KeyUsage: KeyUsageCRLSign, 2447 }, 2448 template: &RevocationList{}, 2449 expectedError: "x509: issuer certificate doesn't contain a subject key identifier", 2450 }, 2451 { 2452 name: "nextUpdate before thisUpdate", 2453 key: ec256Priv, 2454 issuer: &Certificate{ 2455 KeyUsage: KeyUsageCRLSign, 2456 Subject: pkix.Name{ 2457 CommonName: "testing", 2458 }, 2459 SubjectKeyId: []byte{1, 2, 3}, 2460 }, 2461 template: &RevocationList{ 2462 ThisUpdate: time.Time{}.Add(time.Hour), 2463 NextUpdate: time.Time{}, 2464 }, 2465 expectedError: "x509: template.ThisUpdate is after template.NextUpdate", 2466 }, 2467 { 2468 name: "nil Number", 2469 key: ec256Priv, 2470 issuer: &Certificate{ 2471 KeyUsage: KeyUsageCRLSign, 2472 Subject: pkix.Name{ 2473 CommonName: "testing", 2474 }, 2475 SubjectKeyId: []byte{1, 2, 3}, 2476 }, 2477 template: &RevocationList{ 2478 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2479 NextUpdate: time.Time{}.Add(time.Hour * 48), 2480 }, 2481 expectedError: "x509: template contains nil Number field", 2482 }, 2483 { 2484 name: "invalid signature algorithm", 2485 key: ec256Priv, 2486 issuer: &Certificate{ 2487 KeyUsage: KeyUsageCRLSign, 2488 Subject: pkix.Name{ 2489 CommonName: "testing", 2490 }, 2491 SubjectKeyId: []byte{1, 2, 3}, 2492 }, 2493 template: &RevocationList{ 2494 SignatureAlgorithm: SHA256WithRSA, 2495 RevokedCertificates: []pkix.RevokedCertificate{ 2496 { 2497 SerialNumber: big.NewInt(2), 2498 RevocationTime: time.Time{}.Add(time.Hour), 2499 }, 2500 }, 2501 Number: big.NewInt(5), 2502 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2503 NextUpdate: time.Time{}.Add(time.Hour * 48), 2504 }, 2505 expectedError: "x509: requested SignatureAlgorithm does not match private key type", 2506 }, 2507 { 2508 name: "valid", 2509 key: ec256Priv, 2510 issuer: &Certificate{ 2511 KeyUsage: KeyUsageCRLSign, 2512 Subject: pkix.Name{ 2513 CommonName: "testing", 2514 }, 2515 SubjectKeyId: []byte{1, 2, 3}, 2516 }, 2517 template: &RevocationList{ 2518 RevokedCertificates: []pkix.RevokedCertificate{ 2519 { 2520 SerialNumber: big.NewInt(2), 2521 RevocationTime: time.Time{}.Add(time.Hour), 2522 }, 2523 }, 2524 Number: big.NewInt(5), 2525 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2526 NextUpdate: time.Time{}.Add(time.Hour * 48), 2527 }, 2528 }, 2529 { 2530 name: "valid, Ed25519 key", 2531 key: ed25519Priv, 2532 issuer: &Certificate{ 2533 KeyUsage: KeyUsageCRLSign, 2534 Subject: pkix.Name{ 2535 CommonName: "testing", 2536 }, 2537 SubjectKeyId: []byte{1, 2, 3}, 2538 }, 2539 template: &RevocationList{ 2540 RevokedCertificates: []pkix.RevokedCertificate{ 2541 { 2542 SerialNumber: big.NewInt(2), 2543 RevocationTime: time.Time{}.Add(time.Hour), 2544 }, 2545 }, 2546 Number: big.NewInt(5), 2547 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2548 NextUpdate: time.Time{}.Add(time.Hour * 48), 2549 }, 2550 }, 2551 { 2552 name: "valid, non-default signature algorithm", 2553 key: ec256Priv, 2554 issuer: &Certificate{ 2555 KeyUsage: KeyUsageCRLSign, 2556 Subject: pkix.Name{ 2557 CommonName: "testing", 2558 }, 2559 SubjectKeyId: []byte{1, 2, 3}, 2560 }, 2561 template: &RevocationList{ 2562 SignatureAlgorithm: ECDSAWithSHA512, 2563 RevokedCertificates: []pkix.RevokedCertificate{ 2564 { 2565 SerialNumber: big.NewInt(2), 2566 RevocationTime: time.Time{}.Add(time.Hour), 2567 }, 2568 }, 2569 Number: big.NewInt(5), 2570 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2571 NextUpdate: time.Time{}.Add(time.Hour * 48), 2572 }, 2573 }, 2574 { 2575 name: "valid, extra extension", 2576 key: ec256Priv, 2577 issuer: &Certificate{ 2578 KeyUsage: KeyUsageCRLSign, 2579 Subject: pkix.Name{ 2580 CommonName: "testing", 2581 }, 2582 SubjectKeyId: []byte{1, 2, 3}, 2583 }, 2584 template: &RevocationList{ 2585 RevokedCertificates: []pkix.RevokedCertificate{ 2586 { 2587 SerialNumber: big.NewInt(2), 2588 RevocationTime: time.Time{}.Add(time.Hour), 2589 }, 2590 }, 2591 Number: big.NewInt(5), 2592 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2593 NextUpdate: time.Time{}.Add(time.Hour * 48), 2594 ExtraExtensions: []pkix.Extension{ 2595 { 2596 Id: []int{2, 5, 29, 99}, 2597 Value: []byte{5, 0}, 2598 }, 2599 }, 2600 }, 2601 }, 2602 { 2603 name: "valid, empty list", 2604 key: ec256Priv, 2605 issuer: &Certificate{ 2606 KeyUsage: KeyUsageCRLSign, 2607 Subject: pkix.Name{ 2608 CommonName: "testing", 2609 }, 2610 SubjectKeyId: []byte{1, 2, 3}, 2611 }, 2612 template: &RevocationList{ 2613 Number: big.NewInt(5), 2614 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2615 NextUpdate: time.Time{}.Add(time.Hour * 48), 2616 }, 2617 }, 2618 } 2619 2620 for _, tc := range tests { 2621 t.Run(tc.name, func(t *testing.T) { 2622 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key) 2623 if err != nil && tc.expectedError == "" { 2624 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err) 2625 } else if err != nil && tc.expectedError != err.Error() { 2626 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err) 2627 } else if err == nil && tc.expectedError != "" { 2628 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError) 2629 } 2630 if tc.expectedError != "" { 2631 return 2632 } 2633 2634 parsedCRL, err := ParseDERCRL(crl) 2635 if err != nil { 2636 t.Fatalf("Failed to parse generated CRL: %s", err) 2637 } 2638 2639 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm && 2640 parsedCRL.SignatureAlgorithm.Algorithm.Equal(signatureAlgorithmDetails[tc.template.SignatureAlgorithm].oid) { 2641 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm, 2642 tc.template.SignatureAlgorithm) 2643 } 2644 2645 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, tc.template.RevokedCertificates) { 2646 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.", 2647 parsedCRL.TBSCertList.RevokedCertificates, tc.template.RevokedCertificates) 2648 } 2649 2650 if len(parsedCRL.TBSCertList.Extensions) != 2+len(tc.template.ExtraExtensions) { 2651 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.TBSCertList.Extensions)) 2652 } 2653 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId}) 2654 if err != nil { 2655 t.Fatalf("asn1.Marshal failed: %s", err) 2656 } 2657 akiExt := pkix.Extension{ 2658 Id: oidExtensionAuthorityKeyId, 2659 Value: expectedAKI, 2660 } 2661 if !reflect.DeepEqual(parsedCRL.TBSCertList.Extensions[0], akiExt) { 2662 t.Fatalf("Unexpected first extension: got %v, want %v", 2663 parsedCRL.TBSCertList.Extensions[0], akiExt) 2664 } 2665 expectedNum, err := asn1.Marshal(tc.template.Number) 2666 if err != nil { 2667 t.Fatalf("asn1.Marshal failed: %s", err) 2668 } 2669 crlExt := pkix.Extension{ 2670 Id: oidExtensionCRLNumber, 2671 Value: expectedNum, 2672 } 2673 if !reflect.DeepEqual(parsedCRL.TBSCertList.Extensions[1], crlExt) { 2674 t.Fatalf("Unexpected second extension: got %v, want %v", 2675 parsedCRL.TBSCertList.Extensions[1], crlExt) 2676 } 2677 if len(parsedCRL.TBSCertList.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 { 2678 // If we don't have anything to check return early so we don't 2679 // hit a [] != nil false positive below. 2680 return 2681 } 2682 if !reflect.DeepEqual(parsedCRL.TBSCertList.Extensions[2:], tc.template.ExtraExtensions) { 2683 t.Fatalf("Extensions mismatch: got %v; want %v.", 2684 parsedCRL.TBSCertList.Extensions[2:], tc.template.ExtraExtensions) 2685 } 2686 }) 2687 } 2688} 2689 2690func TestRSAPSAParameters(t *testing.T) { 2691 generateParams := func(hashFunc crypto.Hash) []byte { 2692 var hashOID asn1.ObjectIdentifier 2693 2694 switch hashFunc { 2695 case crypto.SHA256: 2696 hashOID = oidSHA256 2697 case crypto.SHA384: 2698 hashOID = oidSHA384 2699 case crypto.SHA512: 2700 hashOID = oidSHA512 2701 } 2702 2703 params := pssParameters{ 2704 Hash: pkix.AlgorithmIdentifier{ 2705 Algorithm: hashOID, 2706 Parameters: asn1.NullRawValue, 2707 }, 2708 MGF: pkix.AlgorithmIdentifier{ 2709 Algorithm: oidMGF1, 2710 }, 2711 SaltLength: hashFunc.Size(), 2712 TrailerField: 1, 2713 } 2714 2715 mgf1Params := pkix.AlgorithmIdentifier{ 2716 Algorithm: hashOID, 2717 Parameters: asn1.NullRawValue, 2718 } 2719 2720 var err error 2721 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params) 2722 if err != nil { 2723 t.Fatalf("failed to marshal MGF parameters: %s", err) 2724 } 2725 2726 serialized, err := asn1.Marshal(params) 2727 if err != nil { 2728 t.Fatalf("failed to marshal parameters: %s", err) 2729 } 2730 2731 return serialized 2732 } 2733 2734 for h, params := range hashToPSSParameters { 2735 generated := generateParams(h) 2736 if !bytes.Equal(params.FullBytes, generated) { 2737 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", h, generated, params.FullBytes) 2738 } 2739 } 2740} 2741 2742func TestUnknownExtKey(t *testing.T) { 2743 const errorContains = "unknown extended key usage" 2744 2745 template := &Certificate{ 2746 SerialNumber: big.NewInt(10), 2747 DNSNames: []string{"foo"}, 2748 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)}, 2749 } 2750 signer, err := rsa.GenerateKey(rand.Reader, 1024) 2751 if err != nil { 2752 t.Errorf("failed to generate key for TestUnknownExtKey") 2753 } 2754 2755 _, err = CreateCertificate(rand.Reader, template, template, signer.Public(), signer) 2756 if !strings.Contains(err.Error(), errorContains) { 2757 t.Errorf("expected error containing %q, got %s", errorContains, err) 2758 } 2759} 2760 2761func TestIA5SANEnforcement(t *testing.T) { 2762 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2763 if err != nil { 2764 t.Fatalf("ecdsa.GenerateKey failed: %s", err) 2765 } 2766 2767 testURL, err := url.Parse("https://example.com/") 2768 if err != nil { 2769 t.Fatalf("url.Parse failed: %s", err) 2770 } 2771 testURL.RawQuery = "∞" 2772 2773 marshalTests := []struct { 2774 name string 2775 template *Certificate 2776 expectedError string 2777 }{ 2778 { 2779 name: "marshal: unicode dNSName", 2780 template: &Certificate{ 2781 SerialNumber: big.NewInt(0), 2782 DNSNames: []string{"∞"}, 2783 }, 2784 expectedError: "x509: \"∞\" cannot be encoded as an IA5String", 2785 }, 2786 { 2787 name: "marshal: unicode rfc822Name", 2788 template: &Certificate{ 2789 SerialNumber: big.NewInt(0), 2790 EmailAddresses: []string{"∞"}, 2791 }, 2792 expectedError: "x509: \"∞\" cannot be encoded as an IA5String", 2793 }, 2794 { 2795 name: "marshal: unicode uniformResourceIdentifier", 2796 template: &Certificate{ 2797 SerialNumber: big.NewInt(0), 2798 URIs: []*url.URL{testURL}, 2799 }, 2800 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String", 2801 }, 2802 } 2803 2804 for _, tc := range marshalTests { 2805 t.Run(tc.name, func(t *testing.T) { 2806 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k) 2807 if err == nil { 2808 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template) 2809 } else if err.Error() != tc.expectedError { 2810 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError) 2811 } 2812 }) 2813 } 2814 2815 unmarshalTests := []struct { 2816 name string 2817 cert string 2818 expectedError string 2819 }{ 2820 { 2821 name: "unmarshal: unicode dNSName", 2822 cert: "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", 2823 expectedError: "x509: SAN dNSName is malformed", 2824 }, 2825 { 2826 name: "unmarshal: unicode rfc822Name", 2827 cert: "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", 2828 expectedError: "x509: SAN rfc822Name is malformed", 2829 }, 2830 { 2831 name: "unmarshal: unicode uniformResourceIdentifier", 2832 cert: "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", 2833 expectedError: "x509: SAN uniformResourceIdentifier is malformed", 2834 }, 2835 } 2836 2837 for _, tc := range unmarshalTests { 2838 der, err := hex.DecodeString(tc.cert) 2839 if err != nil { 2840 t.Fatalf("failed to decode test cert: %s", err) 2841 } 2842 _, err = ParseCertificate(der) 2843 if err == nil { 2844 t.Error("expected CreateCertificate to fail") 2845 } else if err.Error() != tc.expectedError { 2846 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError) 2847 } 2848 } 2849} 2850 2851func BenchmarkCreateCertificate(b *testing.B) { 2852 template := &Certificate{ 2853 SerialNumber: big.NewInt(10), 2854 DNSNames: []string{"example.com"}, 2855 } 2856 tests := []struct { 2857 name string 2858 gen func() crypto.Signer 2859 }{ 2860 { 2861 name: "RSA 2048", 2862 gen: func() crypto.Signer { 2863 k, err := rsa.GenerateKey(rand.Reader, 2048) 2864 if err != nil { 2865 b.Fatalf("failed to generate test key: %s", err) 2866 } 2867 return k 2868 }, 2869 }, 2870 { 2871 name: "ECDSA P256", 2872 gen: func() crypto.Signer { 2873 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2874 if err != nil { 2875 b.Fatalf("failed to generate test key: %s", err) 2876 } 2877 return k 2878 }, 2879 }, 2880 } 2881 2882 for _, tc := range tests { 2883 k := tc.gen() 2884 b.ResetTimer() 2885 b.Run(tc.name, func(b *testing.B) { 2886 for i := 0; i < b.N; i++ { 2887 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k) 2888 if err != nil { 2889 b.Fatalf("failed to create certificate: %s", err) 2890 } 2891 } 2892 }) 2893 } 2894} 2895 2896type brokenSigner struct { 2897 pub crypto.PublicKey 2898} 2899 2900func (bs *brokenSigner) Public() crypto.PublicKey { 2901 return bs.pub 2902} 2903 2904func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) { 2905 return []byte{1, 2, 3}, nil 2906} 2907 2908func TestCreateCertificateBrokenSigner(t *testing.T) { 2909 template := &Certificate{ 2910 SerialNumber: big.NewInt(10), 2911 DNSNames: []string{"example.com"}, 2912 } 2913 k, err := rsa.GenerateKey(rand.Reader, 1024) 2914 if err != nil { 2915 t.Fatalf("failed to generate test key: %s", err) 2916 } 2917 expectedErr := "x509: signature over certificate returned by signer is invalid: crypto/rsa: verification error" 2918 _, err = CreateCertificate(rand.Reader, template, template, k.Public(), &brokenSigner{k.Public()}) 2919 if err == nil { 2920 t.Fatal("expected CreateCertificate to fail with a broken signer") 2921 } else if err.Error() != expectedErr { 2922 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr) 2923 } 2924} 2925 2926func TestCreateCertificateLegacy(t *testing.T) { 2927 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2928 if err != nil { 2929 t.Fatalf("Failed to generate ECDSA key: %s", err) 2930 } 2931 2932 for _, sigAlg := range []SignatureAlgorithm{ 2933 MD5WithRSA, SHA1WithRSA, ECDSAWithSHA1, 2934 } { 2935 template := &Certificate{ 2936 SerialNumber: big.NewInt(10), 2937 DNSNames: []string{"example.com"}, 2938 SignatureAlgorithm: sigAlg, 2939 } 2940 var k crypto.Signer 2941 switch sigAlg { 2942 case MD5WithRSA, SHA1WithRSA: 2943 k = testPrivateKey 2944 case ECDSAWithSHA1: 2945 k = ecdsaPriv 2946 } 2947 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), &brokenSigner{k.Public()}) 2948 if err != nil { 2949 t.Fatalf("CreateCertificate failed when SignatureAlgorithm = %v: %s", sigAlg, err) 2950 } 2951 } 2952} 2953 2954func (s *CertPool) mustCert(t *testing.T, n int) *Certificate { 2955 c, err := s.lazyCerts[n].getCert() 2956 if err != nil { 2957 t.Fatalf("failed to load cert %d: %v", n, err) 2958 } 2959 return c 2960} 2961 2962func allCerts(t *testing.T, p *CertPool) []*Certificate { 2963 all := make([]*Certificate, p.len()) 2964 for i := range all { 2965 all[i] = p.mustCert(t, i) 2966 } 2967 return all 2968} 2969 2970// certPoolEqual reports whether a and b are equal, except for the 2971// function pointers. 2972func certPoolEqual(a, b *CertPool) bool { 2973 if (a != nil) != (b != nil) { 2974 return false 2975 } 2976 if a == nil { 2977 return true 2978 } 2979 if !reflect.DeepEqual(a.byName, b.byName) || 2980 len(a.lazyCerts) != len(b.lazyCerts) { 2981 return false 2982 } 2983 for i := range a.lazyCerts { 2984 la, lb := a.lazyCerts[i], b.lazyCerts[i] 2985 if !bytes.Equal(la.rawSubject, lb.rawSubject) { 2986 return false 2987 } 2988 ca, err := la.getCert() 2989 if err != nil { 2990 panic(err) 2991 } 2992 cb, err := la.getCert() 2993 if err != nil { 2994 panic(err) 2995 } 2996 if !ca.Equal(cb) { 2997 return false 2998 } 2999 } 3000 3001 return true 3002} 3003 3004func TestCertificateRequestRoundtripFields(t *testing.T) { 3005 urlA, err := url.Parse("https://example.com/_") 3006 if err != nil { 3007 t.Fatal(err) 3008 } 3009 urlB, err := url.Parse("https://example.org/_") 3010 if err != nil { 3011 t.Fatal(err) 3012 } 3013 in := &CertificateRequest{ 3014 DNSNames: []string{"example.com", "example.org"}, 3015 EmailAddresses: []string{"a@example.com", "b@example.com"}, 3016 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback}, 3017 URIs: []*url.URL{urlA, urlB}, 3018 } 3019 out := marshalAndParseCSR(t, in) 3020 3021 if !reflect.DeepEqual(in.DNSNames, out.DNSNames) { 3022 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames) 3023 } 3024 if !reflect.DeepEqual(in.EmailAddresses, out.EmailAddresses) { 3025 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses) 3026 } 3027 if len(in.IPAddresses) != len(out.IPAddresses) || 3028 !in.IPAddresses[0].Equal(out.IPAddresses[0]) || 3029 !in.IPAddresses[1].Equal(out.IPAddresses[1]) { 3030 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses) 3031 } 3032 if !reflect.DeepEqual(in.URIs, out.URIs) { 3033 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs) 3034 } 3035} 3036 3037func BenchmarkParseCertificate(b *testing.B) { 3038 cases := []struct { 3039 name string 3040 pem string 3041 }{ 3042 { 3043 name: "ecdsa leaf", 3044 pem: `-----BEGIN CERTIFICATE----- 3045MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG 3046MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM 3047QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw 3048OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG 3049SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF 3050kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC 3051B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU 30526SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU 305383E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w 3054a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv 3055L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t 3056gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k 3057ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t 3058ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j 3059b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j 3060boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl 3061LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv 3062LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu 3063Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n 3064bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds 3065ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n 3066b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw 3067aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv 3068b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j 3069boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t 3070ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t 3071ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1 3072YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp 3073b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C 3074GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv 3075cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl 3076LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds 3077ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv 3078b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo 3079aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1 3080YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa 3081MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0 3082cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB 3083Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro 3084gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb 3085j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr 3086GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8 3087DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3 3088svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx 3089-----END CERTIFICATE-----`, 3090 }, 3091 { 3092 name: "rsa leaf", 3093 pem: `-----BEGIN CERTIFICATE----- 3094MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw 3095QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET 3096MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2 3097MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH 3098Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq 3099Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0 3100UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h 3101KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/ 3102n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De 31036h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE 3104fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia 3105OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l 3106BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB 3107k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI 3108KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n 3109dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx 3110TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk 3111LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk 3112Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t 3113cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou 3114Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n 3115a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh 3116ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q 3117Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC 3118DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u 3119bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k 3120ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n 3121bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou 3122Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw 3123cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq 3124LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK 3125Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou 3126dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j 3127boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0 3128dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou 3129eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j 3130b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy 3131b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v 3132LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h 3133cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds 3134ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu 3135Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i 3136ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow 3137KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB 3138BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM 31394WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B 3140QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1 3141/65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS 3142U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n 3143YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr 3144Qc4= 3145-----END CERTIFICATE-----`, 3146 }, 3147 } 3148 for _, c := range cases { 3149 b.Run(c.name, func(b *testing.B) { 3150 pemBlock, _ := pem.Decode([]byte(c.pem)) 3151 b.ReportAllocs() 3152 b.ResetTimer() 3153 for i := 0; i < b.N; i++ { 3154 _, err := ParseCertificate(pemBlock.Bytes) 3155 if err != nil { 3156 b.Fatal(err) 3157 } 3158 } 3159 }) 3160 } 3161} 3162 3163func TestParseCertificateRawEquals(t *testing.T) { 3164 p, _ := pem.Decode([]byte(pemCertificate)) 3165 cert, err := ParseCertificate(p.Bytes) 3166 if err != nil { 3167 t.Fatalf("failed to parse certificate: %s", err) 3168 } 3169 if !bytes.Equal(p.Bytes, cert.Raw) { 3170 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes) 3171 } 3172} 3173 3174// mismatchingSigAlgIDPEM contains a certificate where the Certificate 3175// signatureAlgorithm and the TBSCertificate signature contain 3176// mismatching OIDs 3177const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE----- 3178MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa 3179GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV 3180EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx 31810AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD 3182AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q 3183tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn 3184-----END CERTIFICATE-----` 3185 3186// mismatchingSigAlgParamPEM contains a certificate where the Certificate 3187// signatureAlgorithm and the TBSCertificate signature contain 3188// mismatching parameters 3189const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE----- 3190MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa 3191GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV 3192EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx 31930AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD 3194AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi 3195f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc= 3196-----END CERTIFICATE-----` 3197 3198func TestSigAlgMismatch(t *testing.T) { 3199 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} { 3200 b, _ := pem.Decode([]byte(certPEM)) 3201 if b == nil { 3202 t.Fatalf("couldn't decode test certificate") 3203 } 3204 _, err := ParseCertificate(b.Bytes) 3205 if err == nil { 3206 t.Fatalf("expected ParseCertificate to fail") 3207 } 3208 expected := "x509: inner and outer signature algorithm identifiers don't match" 3209 if err.Error() != expected { 3210 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected) 3211 } 3212 } 3213} 3214 3215const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE----- 3216MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh 3217bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu 3218Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g 3219QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe 3220BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX 3221DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs 3222ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy 3223IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A 3224MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7 3225JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n 3226WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4 3227uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N 3228rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v 32291vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/ 3230X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD 3231VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD 3232ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp 3233ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j 3234b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB 3235Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j 3236c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl 3237cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js 3238MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm 3239aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD 3240AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr 3241mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So 3242GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV 3243FxdzPcwl 3244-----END CERTIFICATE-----` 3245 3246func TestAuthKeyIdOptional(t *testing.T) { 3247 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM)) 3248 if b == nil { 3249 t.Fatalf("couldn't decode test certificate") 3250 } 3251 _, err := ParseCertificate(b.Bytes) 3252 if err != nil { 3253 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err) 3254 } 3255} 3256