libgo/go/crypto/x509/x509_test.go

   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
   5 package x509
   6
   7 import (
   8         "bytes"
   9         "crypto/dsa"
  10         "crypto/ecdsa"
  11         "crypto/elliptic"
  12         "crypto/rand"
  13         "crypto/rsa"
  14         _ "crypto/sha256"
  15         _ "crypto/sha512"
  16         "crypto/x509/pkix"
  17         "encoding/asn1"
  18         "encoding/base64"
  19         "encoding/hex"
  20         "encoding/pem"
  21         "math/big"
  22         "net"
  23         "os/exec"
  24         "reflect"
  25         "runtime"
  26         "testing"
  27         "time"
  28 )
  29
  30 func TestParsePKCS1PrivateKey(t *testing.T) {
  31         block, _ := pem.Decode([]byte(pemPrivateKey))
  32         priv, err := ParsePKCS1PrivateKey(block.Bytes)
  33         if err != nil {
  34                 t.Errorf("Failed to parse private key: %s", err)
  35                 return
  36         }
  37         if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
  38                 priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
  39                 priv.D.Cmp(rsaPrivateKey.D) != 0 ||
  40                 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 ||
  41                 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 {
  42                 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
  43         }
  44 }
  45
  46 func TestParsePKIXPublicKey(t *testing.T) {
  47         block, _ := pem.Decode([]byte(pemPublicKey))
  48         pub, err := ParsePKIXPublicKey(block.Bytes)
  49         if err != nil {
  50                 t.Errorf("Failed to parse RSA public key: %s", err)
  51                 return
  52         }
  53         rsaPub, ok := pub.(*rsa.PublicKey)
  54         if !ok {
  55                 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key")
  56                 return
  57         }
  58
  59         pubBytes2, err := MarshalPKIXPublicKey(rsaPub)
  60         if err != nil {
  61                 t.Errorf("Failed to marshal RSA public key for the second time: %s", err)
  62                 return
  63         }
  64         if !bytes.Equal(pubBytes2, block.Bytes) {
  65                 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes)
  66         }
  67 }
  68
  69 var pemPublicKey = `-----BEGIN PUBLIC KEY-----
  70 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+
  71 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k
  72 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ
  73 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg
  74 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR
  75 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ
  76 +QIDAQAB
  77 -----END PUBLIC KEY-----
  78 `
  79
  80 var pemPrivateKey = `-----BEGIN RSA PRIVATE KEY-----
  81 MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
  82 fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
  83 /ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
  84 RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
  85 EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
  86 IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
  87 tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
  88 -----END RSA PRIVATE KEY-----
  89 `
  90
  91 func bigFromString(s string) *big.Int {
  92         ret := new(big.Int)
  93         ret.SetString(s, 10)
  94         return ret
  95 }
  96
  97 func fromBase10(base10 string) *big.Int {
  98         i := new(big.Int)
  99         i.SetString(base10, 10)
 100         return i
 101 }
 102
 103 func bigFromHexString(s string) *big.Int {
 104         ret := new(big.Int)
 105         ret.SetString(s, 16)
 106         return ret
 107 }
 108
 109 var rsaPrivateKey = &rsa.PrivateKey{
 110         PublicKey: rsa.PublicKey{
 111                 N: bigFromString("9353930466774385905609975137998169297361893554149986716853295022578535724979677252958524466350471210367835187480748268864277464700638583474144061408845077"),
 112                 E: 65537,
 113         },
 114         D: bigFromString("7266398431328116344057699379749222532279343923819063639497049039389899328538543087657733766554155839834519529439851673014800261285757759040931985506583861"),
 115         Primes: []*big.Int{
 116                 bigFromString("98920366548084643601728869055592650835572950932266967461790948584315647051443"),
 117                 bigFromString("94560208308847015747498523884063394671606671904944666360068158221458669711639"),
 118         },
 119 }
 120
 121 func TestMarshalRSAPrivateKey(t *testing.T) {
 122         priv := &rsa.PrivateKey{
 123                 PublicKey: rsa.PublicKey{
 124                         N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
 125                         E: 3,
 126                 },
 127                 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
 128                 Primes: []*big.Int{
 129                         fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
 130                         fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
 131                         fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
 132                 },
 133         }
 134
 135         derBytes := MarshalPKCS1PrivateKey(priv)
 136
 137         priv2, err := ParsePKCS1PrivateKey(derBytes)
 138         if err != nil {
 139                 t.Errorf("error parsing serialized key: %s", err)
 140                 return
 141         }
 142         if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 ||
 143                 priv.PublicKey.E != priv2.PublicKey.E ||
 144                 priv.D.Cmp(priv2.D) != 0 ||
 145                 len(priv2.Primes) != 3 ||
 146                 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 ||
 147                 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 ||
 148                 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 {
 149                 t.Errorf("got:%+v want:%+v", priv, priv2)
 150         }
 151 }
 152
 153 type matchHostnamesTest struct {
 154         pattern, host string
 155         ok            bool
 156 }
 157
 158 var matchHostnamesTests = []matchHostnamesTest{
 159         {"a.b.c", "a.b.c", true},
 160         {"a.b.c", "b.b.c", false},
 161         {"", "b.b.c", false},
 162         {"a.b.c", "", false},
 163         {"example.com", "example.com", true},
 164         {"example.com", "www.example.com", false},
 165         {"*.example.com", "www.example.com", true},
 166         {"*.example.com", "xyz.www.example.com", false},
 167         {"*.*.example.com", "xyz.www.example.com", true},
 168         {"*.www.*.com", "xyz.www.example.com", true},
 169 }
 170
 171 func TestMatchHostnames(t *testing.T) {
 172         for i, test := range matchHostnamesTests {
 173                 r := matchHostnames(test.pattern, test.host)
 174                 if r != test.ok {
 175                         t.Errorf("#%d mismatch got: %t want: %t", i, r, test.ok)
 176                 }
 177         }
 178 }
 179
 180 func TestMatchIP(t *testing.T) {
 181         // Check that pattern matching is working.
 182         c := &Certificate{
 183                 DNSNames: []string{"*.foo.bar.baz"},
 184                 Subject: pkix.Name{
 185                         CommonName: "*.foo.bar.baz",
 186                 },
 187         }
 188         err := c.VerifyHostname("quux.foo.bar.baz")
 189         if err != nil {
 190                 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err)
 191         }
 192
 193         // But check that if we change it to be matching against an IP address,
 194         // it is rejected.
 195         c = &Certificate{
 196                 DNSNames: []string{"*.2.3.4"},
 197                 Subject: pkix.Name{
 198                         CommonName: "*.2.3.4",
 199                 },
 200         }
 201         err = c.VerifyHostname("1.2.3.4")
 202         if err == nil {
 203                 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not")
 204         }
 205
 206         c = &Certificate{
 207                 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
 208         }
 209         err = c.VerifyHostname("127.0.0.1")
 210         if err != nil {
 211                 t.Fatalf("VerifyHostname(127.0.0.1): %v", err)
 212         }
 213         err = c.VerifyHostname("::1")
 214         if err != nil {
 215                 t.Fatalf("VerifyHostname(::1): %v", err)
 216         }
 217         err = c.VerifyHostname("[::1]")
 218         if err != nil {
 219                 t.Fatalf("VerifyHostname([::1]): %v", err)
 220         }
 221 }
 222
 223 func TestCertificateParse(t *testing.T) {
 224         s, _ := hex.DecodeString(certBytes)
 225         certs, err := ParseCertificates(s)
 226         if err != nil {
 227                 t.Error(err)
 228         }
 229         if len(certs) != 2 {
 230                 t.Errorf("Wrong number of certs: got %d want 2", len(certs))
 231                 return
 232         }
 233
 234         err = certs[0].CheckSignatureFrom(certs[1])
 235         if err != nil {
 236                 t.Error(err)
 237         }
 238
 239         if err := certs[0].VerifyHostname("mail.google.com"); err != nil {
 240                 t.Error(err)
 241         }
 242
 243         const expectedExtensions = 4
 244         if n := len(certs[0].Extensions); n != expectedExtensions {
 245                 t.Errorf("want %d extensions, got %d", expectedExtensions, n)
 246         }
 247 }
 248
 249 var certBytes = "308203223082028ba00302010202106edf0d9499fd4533dd1297fc42a93be1300d06092a864886" +
 250         "f70d0101050500304c310b3009060355040613025a4131253023060355040a131c546861777465" +
 251         "20436f6e73756c74696e67202850747929204c74642e311630140603550403130d546861777465" +
 252         "20534743204341301e170d3039303332353136343932395a170d3130303332353136343932395a" +
 253         "3069310b3009060355040613025553311330110603550408130a43616c69666f726e6961311630" +
 254         "140603550407130d4d6f756e7461696e205669657731133011060355040a130a476f6f676c6520" +
 255         "496e63311830160603550403130f6d61696c2e676f6f676c652e636f6d30819f300d06092a8648" +
 256         "86f70d010101050003818d0030818902818100c5d6f892fccaf5614b064149e80a2c9581a218ef" +
 257         "41ec35bd7a58125ae76f9ea54ddc893abbeb029f6b73616bf0ffd868791fba7af9c4aebf3706ba" +
 258         "3eeaeed27435b4ddcfb157c05f351d66aa87fee0de072d66d773affbd36ab78bef090e0cc861a9" +
 259         "03ac90dd98b51c9c41566c017f0beec3bff391051ffba0f5cc6850ad2a590203010001a381e730" +
 260         "81e430280603551d250421301f06082b0601050507030106082b06010505070302060960864801" +
 261         "86f842040130360603551d1f042f302d302ba029a0278625687474703a2f2f63726c2e74686177" +
 262         "74652e636f6d2f54686177746553474343412e63726c307206082b060105050701010466306430" +
 263         "2206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d303e0608" +
 264         "2b060105050730028632687474703a2f2f7777772e7468617774652e636f6d2f7265706f736974" +
 265         "6f72792f5468617774655f5347435f43412e637274300c0603551d130101ff04023000300d0609" +
 266         "2a864886f70d01010505000381810062f1f3050ebc105e497c7aedf87e24d2f4a986bb3b837bd1" +
 267         "9b91ebcad98b065992f6bd2b49b7d6d3cb2e427a99d606c7b1d46352527fac39e6a8b6726de5bf" +
 268         "70212a52cba07634a5e332011bd1868e78eb5e3c93cf03072276786f207494feaa0ed9d53b2110" +
 269         "a76571f90209cdae884385c882587030ee15f33d761e2e45a6bc308203233082028ca003020102" +
 270         "020430000002300d06092a864886f70d0101050500305f310b3009060355040613025553311730" +
 271         "15060355040a130e566572695369676e2c20496e632e31373035060355040b132e436c61737320" +
 272         "33205075626c6963205072696d6172792043657274696669636174696f6e20417574686f726974" +
 273         "79301e170d3034303531333030303030305a170d3134303531323233353935395a304c310b3009" +
 274         "060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e672028" +
 275         "50747929204c74642e311630140603550403130d5468617774652053474320434130819f300d06" +
 276         "092a864886f70d010101050003818d0030818902818100d4d367d08d157faecd31fe7d1d91a13f" +
 277         "0b713cacccc864fb63fc324b0794bd6f80ba2fe10493c033fc093323e90b742b71c403c6d2cde2" +
 278         "2ff50963cdff48a500bfe0e7f388b72d32de9836e60aad007bc4644a3b847503f270927d0e62f5" +
 279         "21ab693684317590f8bfc76c881b06957cc9e5a8de75a12c7a68dfd5ca1c875860190203010001" +
 280         "a381fe3081fb30120603551d130101ff040830060101ff020100300b0603551d0f040403020106" +
 281         "301106096086480186f842010104040302010630280603551d110421301fa41d301b3119301706" +
 282         "035504031310507269766174654c6162656c332d313530310603551d1f042a30283026a024a022" +
 283         "8620687474703a2f2f63726c2e766572697369676e2e636f6d2f706361332e63726c303206082b" +
 284         "0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468" +
 285         "617774652e636f6d30340603551d25042d302b06082b0601050507030106082b06010505070302" +
 286         "06096086480186f8420401060a6086480186f845010801300d06092a864886f70d010105050003" +
 287         "81810055ac63eadea1ddd2905f9f0bce76be13518f93d9052bc81b774bad6950a1eededcfddb07" +
 288         "e9e83994dcab72792f06bfab8170c4a8edea5334edef1e53d906c7562bd15cf4d18a8eb42bb137" +
 289         "9048084225c53e8acb7feb6f04d16dc574a2f7a27c7b603c77cd0ece48027f012fb69b37e02a2a" +
 290         "36dcd585d6ace53f546f961e05af"
 291
 292 func TestCreateSelfSignedCertificate(t *testing.T) {
 293         random := rand.Reader
 294
 295         block, _ := pem.Decode([]byte(pemPrivateKey))
 296         rsaPriv, err := ParsePKCS1PrivateKey(block.Bytes)
 297         if err != nil {
 298                 t.Fatalf("Failed to parse private key: %s", err)
 299         }
 300
 301         ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 302         if err != nil {
 303                 t.Fatalf("Failed to generate ECDSA key: %s", err)
 304         }
 305
 306         tests := []struct {
 307                 name      string
 308                 pub, priv interface{}
 309                 checkSig  bool
 310                 sigAlgo   SignatureAlgorithm
 311         }{
 312                 {"RSA/RSA", &rsaPriv.PublicKey, rsaPriv, true, SHA1WithRSA},
 313                 {"RSA/ECDSA", &rsaPriv.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
 314                 {"ECDSA/RSA", &ecdsaPriv.PublicKey, rsaPriv, false, SHA256WithRSA},
 315                 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA1},
 316         }
 317
 318         testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth}
 319         testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}}
 320         extraExtensionData := []byte("extra extension")
 321
 322         for _, test := range tests {
 323                 commonName := "test.example.com"
 324                 template := Certificate{
 325                         SerialNumber: big.NewInt(1),
 326                         Subject: pkix.Name{
 327                                 CommonName:   commonName,
 328                                 Organization: []string{"Σ Acme Co"},
 329                         },
 330                         NotBefore: time.Unix(1000, 0),
 331                         NotAfter:  time.Unix(100000, 0),
 332
 333                         SignatureAlgorithm: test.sigAlgo,
 334
 335                         SubjectKeyId: []byte{1, 2, 3, 4},
 336                         KeyUsage:     KeyUsageCertSign,
 337
 338                         ExtKeyUsage:        testExtKeyUsage,
 339                         UnknownExtKeyUsage: testUnknownExtKeyUsage,
 340
 341                         BasicConstraintsValid: true,
 342                         IsCA: true,
 343
 344                         OCSPServer:            []string{"http://ocsp.example.com"},
 345                         IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"},
 346
 347                         DNSNames:       []string{"test.example.com"},
 348                         EmailAddresses: []string{"gopher@golang.org"},
 349                         IPAddresses:    []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
 350
 351                         PolicyIdentifiers:   []asn1.ObjectIdentifier{[]int{1, 2, 3}},
 352                         PermittedDNSDomains: []string{".example.com", "example.com"},
 353
 354                         CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"},
 355
 356                         ExtraExtensions: []pkix.Extension{
 357                                 {
 358                                         Id:    []int{1, 2, 3, 4},
 359                                         Value: extraExtensionData,
 360                                 },
 361                                 // This extension should override the SubjectKeyId, above.
 362                                 {
 363                                         Id:       oidExtensionSubjectKeyId,
 364                                         Critical: false,
 365                                         Value:    []byte{0x04, 0x04, 4, 3, 2, 1},
 366                                 },
 367                         },
 368                 }
 369
 370                 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv)
 371                 if err != nil {
 372                         t.Errorf("%s: failed to create certificate: %s", test.name, err)
 373                         continue
 374                 }
 375
 376                 cert, err := ParseCertificate(derBytes)
 377                 if err != nil {
 378                         t.Errorf("%s: failed to parse certificate: %s", test.name, err)
 379                         continue
 380                 }
 381
 382                 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) {
 383                         t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers)
 384                 }
 385
 386                 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" {
 387                         t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains)
 388                 }
 389
 390                 if cert.Subject.CommonName != commonName {
 391                         t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName)
 392                 }
 393
 394                 if cert.Issuer.CommonName != commonName {
 395                         t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName)
 396                 }
 397
 398                 if cert.SignatureAlgorithm != test.sigAlgo {
 399                         t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo)
 400                 }
 401
 402                 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) {
 403                         t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage)
 404                 }
 405
 406                 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) {
 407                         t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage)
 408                 }
 409
 410                 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) {
 411                         t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer)
 412                 }
 413
 414                 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
 415                         t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL)
 416                 }
 417
 418                 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) {
 419                         t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames)
 420                 }
 421
 422                 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) {
 423                         t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses)
 424                 }
 425
 426                 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) {
 427                         t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses)
 428                 }
 429
 430                 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
 431                         t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints)
 432                 }
 433
 434                 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) {
 435                         t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name)
 436                 }
 437
 438                 if bytes.Index(derBytes, extraExtensionData) == -1 {
 439                         t.Errorf("%s: didn't find extra extension in DER output", test.name)
 440                 }
 441
 442                 if test.checkSig {
 443                         err = cert.CheckSignatureFrom(cert)
 444                         if err != nil {
 445                                 t.Errorf("%s: signature verification failed: %s", test.name, err)
 446                         }
 447                 }
 448         }
 449 }
 450
 451 // Self-signed certificate using ECDSA with SHA1 & secp256r1
 452 var ecdsaSHA1CertPem = `
 453 -----BEGIN CERTIFICATE-----
 454 MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET
 455 MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG
 456 A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
 457 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw
 458 WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
 459 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg
 460 SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv
 461 bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn
 462 WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3
 463 P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2
 464 DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV
 465 a/A=
 466 -----END CERTIFICATE-----
 467 `
 468
 469 // Self-signed certificate using ECDSA with SHA256 & secp256r1
 470 var ecdsaSHA256p256CertPem = `
 471 -----BEGIN CERTIFICATE-----
 472 MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx
 473 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT
 474 BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh
 475 BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx
 476 NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp
 477 Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs
 478 IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn
 479 b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt
 480 2ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm
 481 YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV
 482 70twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ
 483 h5wi
 484 -----END CERTIFICATE-----
 485 `
 486
 487 // Self-signed certificate using ECDSA with SHA256 & secp384r1
 488 var ecdsaSHA256p384CertPem = `
 489 -----BEGIN CERTIFICATE-----
 490 MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx
 491 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
 492 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
 493 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0
 494 WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
 495 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
 496 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
 497 YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK
 498 jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze
 499 qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI
 500 zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr
 501 PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh
 502 3yILeYQzllt/g0rKVRk=
 503 -----END CERTIFICATE-----
 504 `
 505
 506 // Self-signed certificate using ECDSA with SHA384 & secp521r1
 507 var ecdsaSHA384p521CertPem = `
 508 -----BEGIN CERTIFICATE-----
 509 MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx
 510 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
 511 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
 512 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5
 513 WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
 514 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
 515 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
 516 YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv
 517 IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz
 518 PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm
 519 8FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw
 520 gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH
 521 BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh
 522 kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa
 523 -----END CERTIFICATE-----
 524 `
 525
 526 var ecdsaTests = []struct {
 527         sigAlgo SignatureAlgorithm
 528         pemCert string
 529 }{
 530         {ECDSAWithSHA1, ecdsaSHA1CertPem},
 531         {ECDSAWithSHA256, ecdsaSHA256p256CertPem},
 532         {ECDSAWithSHA256, ecdsaSHA256p384CertPem},
 533         {ECDSAWithSHA384, ecdsaSHA384p521CertPem},
 534 }
 535
 536 func TestECDSA(t *testing.T) {
 537         for i, test := range ecdsaTests {
 538                 pemBlock, _ := pem.Decode([]byte(test.pemCert))
 539                 cert, err := ParseCertificate(pemBlock.Bytes)
 540                 if err != nil {
 541                         t.Errorf("%d: failed to parse certificate: %s", i, err)
 542                         continue
 543                 }
 544                 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo {
 545                         t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo)
 546                 }
 547                 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok {
 548                         t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey)
 549                 }
 550                 if pka := cert.PublicKeyAlgorithm; pka != ECDSA {
 551                         t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka)
 552                 }
 553                 if err = cert.CheckSignatureFrom(cert); err != nil {
 554                         t.Errorf("%d: certificate verification failed: %s", i, err)
 555                 }
 556         }
 557 }
 558
 559 // Self-signed certificate using DSA with SHA1
 560 var dsaCertPem = `-----BEGIN CERTIFICATE-----
 561 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC
 562 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds
 563 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs
 564 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5
 565 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG
 566 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3
 567 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB
 568 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN
 569 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW
 570 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5
 571 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC
 572 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz
 573 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE
 574 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5
 575 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c
 576 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud
 577 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11
 578 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w
 579 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK
 580 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx
 581 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI
 582 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM
 583 -----END CERTIFICATE-----
 584 `
 585
 586 func TestParseCertificateWithDsaPublicKey(t *testing.T) {
 587         expectedKey := &dsa.PublicKey{
 588                 Parameters: dsa.Parameters{
 589                         P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"),
 590                         Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"),
 591                         G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"),
 592                 },
 593                 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"),
 594         }
 595         pemBlock, _ := pem.Decode([]byte(dsaCertPem))
 596         cert, err := ParseCertificate(pemBlock.Bytes)
 597         if err != nil {
 598                 t.Fatalf("Failed to parse certificate: %s", err)
 599         }
 600         if cert.PublicKeyAlgorithm != DSA {
 601                 t.Errorf("Parsed key algorithm was not DSA")
 602         }
 603         parsedKey, ok := cert.PublicKey.(*dsa.PublicKey)
 604         if !ok {
 605                 t.Fatalf("Parsed key was not a DSA key: %s", err)
 606         }
 607         if expectedKey.Y.Cmp(parsedKey.Y) != 0 ||
 608                 expectedKey.P.Cmp(parsedKey.P) != 0 ||
 609                 expectedKey.Q.Cmp(parsedKey.Q) != 0 ||
 610                 expectedKey.G.Cmp(parsedKey.G) != 0 {
 611                 t.Fatal("Parsed key differs from expected key")
 612         }
 613 }
 614
 615 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) {
 616         pemBlock, _ := pem.Decode([]byte(dsaCertPem))
 617         cert, err := ParseCertificate(pemBlock.Bytes)
 618         if err != nil {
 619                 t.Fatalf("Failed to parse certificate: %s", err)
 620         }
 621         if cert.SignatureAlgorithm != DSAWithSHA1 {
 622                 t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
 623         }
 624 }
 625
 626 func TestVerifyCertificateWithDSASignature(t *testing.T) {
 627         pemBlock, _ := pem.Decode([]byte(dsaCertPem))
 628         cert, err := ParseCertificate(pemBlock.Bytes)
 629         if err != nil {
 630                 t.Fatalf("Failed to parse certificate: %s", err)
 631         }
 632         // test cert is self-signed
 633         if err = cert.CheckSignatureFrom(cert); err != nil {
 634                 t.Fatalf("DSA Certificate verification failed: %s", err)
 635         }
 636 }
 637
 638 const pemCertificate = `-----BEGIN CERTIFICATE-----
 639 MIIB5DCCAZCgAwIBAgIBATALBgkqhkiG9w0BAQUwLTEQMA4GA1UEChMHQWNtZSBDbzEZMBcGA1UE
 640 AxMQdGVzdC5leGFtcGxlLmNvbTAeFw03MDAxMDEwMDE2NDBaFw03MDAxMDIwMzQ2NDBaMC0xEDAO
 641 BgNVBAoTB0FjbWUgQ28xGTAXBgNVBAMTEHRlc3QuZXhhbXBsZS5jb20wWjALBgkqhkiG9w0BAQED
 642 SwAwSAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0fd7Ai2KW5ToIwzFo
 643 fvJcS/STa6HA5gQenRUCAwEAAaOBnjCBmzAOBgNVHQ8BAf8EBAMCAAQwDwYDVR0TAQH/BAUwAwEB
 644 /zANBgNVHQ4EBgQEAQIDBDAPBgNVHSMECDAGgAQBAgMEMBsGA1UdEQQUMBKCEHRlc3QuZXhhbXBs
 645 ZS5jb20wDwYDVR0gBAgwBjAEBgIqAzAqBgNVHR4EIzAhoB8wDoIMLmV4YW1wbGUuY29tMA2CC2V4
 646 YW1wbGUuY29tMAsGCSqGSIb3DQEBBQNBAHKZKoS1wEQOGhgklx4+/yFYQlnqwKXvar/ZecQvJwui
 647 0seMQnwBhwdBkHfVIU2Fu5VUMRyxlf0ZNaDXcpU581k=
 648 -----END CERTIFICATE-----`
 649
 650 func TestCRLCreation(t *testing.T) {
 651         block, _ := pem.Decode([]byte(pemPrivateKey))
 652         priv, _ := ParsePKCS1PrivateKey(block.Bytes)
 653         block, _ = pem.Decode([]byte(pemCertificate))
 654         cert, _ := ParseCertificate(block.Bytes)
 655
 656         now := time.Unix(1000, 0)
 657         expiry := time.Unix(10000, 0)
 658
 659         revokedCerts := []pkix.RevokedCertificate{
 660                 {
 661                         SerialNumber:   big.NewInt(1),
 662                         RevocationTime: now,
 663                 },
 664                 {
 665                         SerialNumber:   big.NewInt(42),
 666                         RevocationTime: now,
 667                 },
 668         }
 669
 670         crlBytes, err := cert.CreateCRL(rand.Reader, priv, revokedCerts, now, expiry)
 671         if err != nil {
 672                 t.Errorf("error creating CRL: %s", err)
 673         }
 674
 675         _, err = ParseDERCRL(crlBytes)
 676         if err != nil {
 677                 t.Errorf("error reparsing CRL: %s", err)
 678         }
 679 }
 680
 681 func fromBase64(in string) []byte {
 682         out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
 683         n, err := base64.StdEncoding.Decode(out, []byte(in))
 684         if err != nil {
 685                 panic("failed to base64 decode")
 686         }
 687         return out[:n]
 688 }
 689
 690 func TestParseDERCRL(t *testing.T) {
 691         derBytes := fromBase64(derCRLBase64)
 692         certList, err := ParseDERCRL(derBytes)
 693         if err != nil {
 694                 t.Errorf("error parsing: %s", err)
 695                 return
 696         }
 697         numCerts := len(certList.TBSCertList.RevokedCertificates)
 698         expected := 88
 699         if numCerts != expected {
 700                 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
 701         }
 702
 703         if certList.HasExpired(time.Unix(1302517272, 0)) {
 704                 t.Errorf("CRL has expired (but shouldn't have)")
 705         }
 706
 707         // Can't check the signature here without a package cycle.
 708 }
 709
 710 func TestParsePEMCRL(t *testing.T) {
 711         pemBytes := fromBase64(pemCRLBase64)
 712         certList, err := ParseCRL(pemBytes)
 713         if err != nil {
 714                 t.Errorf("error parsing: %s", err)
 715                 return
 716         }
 717         numCerts := len(certList.TBSCertList.RevokedCertificates)
 718         expected := 2
 719         if numCerts != expected {
 720                 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
 721         }
 722
 723         if certList.HasExpired(time.Unix(1302517272, 0)) {
 724                 t.Errorf("CRL has expired (but shouldn't have)")
 725         }
 726
 727         // Can't check the signature here without a package cycle.
 728 }
 729
 730 func TestImports(t *testing.T) {
 731         t.Skip("gccgo does not have a go command")
 732         if runtime.GOOS == "nacl" {
 733                 t.Skip("skipping on nacl")
 734         }
 735
 736         if err := exec.Command("go", "run", "x509_test_import.go").Run(); err != nil {
 737                 t.Errorf("failed to run x509_test_import.go: %s", err)
 738         }
 739 }
 740
 741 const derCRLBase64 = "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"
 742
 743 const pemCRLBase64 = "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"
 744
 745 func TestCreateCertificateRequest(t *testing.T) {
 746         random := rand.Reader
 747
 748         block, _ := pem.Decode([]byte(pemPrivateKey))
 749         rsaPriv, err := ParsePKCS1PrivateKey(block.Bytes)
 750         if err != nil {
 751                 t.Fatalf("Failed to parse private key: %s", err)
 752         }
 753
 754         ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 755         if err != nil {
 756                 t.Fatalf("Failed to generate ECDSA key: %s", err)
 757         }
 758
 759         ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
 760         if err != nil {
 761                 t.Fatalf("Failed to generate ECDSA key: %s", err)
 762         }
 763
 764         ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
 765         if err != nil {
 766                 t.Fatalf("Failed to generate ECDSA key: %s", err)
 767         }
 768
 769         tests := []struct {
 770                 name    string
 771                 priv    interface{}
 772                 sigAlgo SignatureAlgorithm
 773         }{
 774                 {"RSA", rsaPriv, SHA1WithRSA},
 775                 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA1},
 776                 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA1},
 777                 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA1},
 778         }
 779
 780         for _, test := range tests {
 781                 template := CertificateRequest{
 782                         Subject: pkix.Name{
 783                                 CommonName:   "test.example.com",
 784                                 Organization: []string{"Σ Acme Co"},
 785                         },
 786                         SignatureAlgorithm: test.sigAlgo,
 787                         DNSNames:           []string{"test.example.com"},
 788                         EmailAddresses:     []string{"gopher@golang.org"},
 789                         IPAddresses:        []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
 790                 }
 791
 792                 derBytes, err := CreateCertificateRequest(random, &template, test.priv)
 793                 if err != nil {
 794                         t.Errorf("%s: failed to create certificate request: %s", test.name, err)
 795                         continue
 796                 }
 797
 798                 out, err := ParseCertificateRequest(derBytes)
 799                 if err != nil {
 800                         t.Errorf("%s: failed to create certificate request: %s", test.name, err)
 801                         continue
 802                 }
 803
 804                 if out.Subject.CommonName != template.Subject.CommonName {
 805                         t.Errorf("%s: output subject common name and template subject common name don't match", test.name)
 806                 } else if len(out.Subject.Organization) != len(template.Subject.Organization) {
 807                         t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name)
 808                 } else if len(out.DNSNames) != len(template.DNSNames) {
 809                         t.Errorf("%s: output DNS names and template DNS names don't match", test.name)
 810                 } else if len(out.EmailAddresses) != len(template.EmailAddresses) {
 811                         t.Errorf("%s: output email addresses and template email addresses don't match", test.name)
 812                 } else if len(out.IPAddresses) != len(template.IPAddresses) {
 813                         t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name)
 814                 }
 815         }
 816 }
 817
 818 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest {
 819         block, _ := pem.Decode([]byte(pemPrivateKey))
 820         rsaPriv, err := ParsePKCS1PrivateKey(block.Bytes)
 821         if err != nil {
 822                 t.Fatal(err)
 823         }
 824
 825         derBytes, err := CreateCertificateRequest(rand.Reader, template, rsaPriv)
 826         if err != nil {
 827                 t.Fatal(err)
 828         }
 829
 830         csr, err := ParseCertificateRequest(derBytes)
 831         if err != nil {
 832                 t.Fatal(err)
 833         }
 834
 835         return csr
 836 }
 837
 838 func TestCertificateRequestOverrides(t *testing.T) {
 839         sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil)
 840         if err != nil {
 841                 t.Fatal(err)
 842         }
 843
 844         template := CertificateRequest{
 845                 Subject: pkix.Name{
 846                         CommonName:   "test.example.com",
 847                         Organization: []string{"Σ Acme Co"},
 848                 },
 849                 DNSNames: []string{"test.example.com"},
 850
 851                 // An explicit extension should override the DNSNames from the
 852                 // template.
 853                 ExtraExtensions: []pkix.Extension{
 854                         pkix.Extension{
 855                                 Id:    oidExtensionSubjectAltName,
 856                                 Value: sanContents,
 857                         },
 858                 },
 859         }
 860
 861         csr := marshalAndParseCSR(t, &template)
 862
 863         if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" {
 864                 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames)
 865         }
 866
 867         // If there is already an attribute with X.509 extensions then the
 868         // extra extensions should be added to it rather than creating a CSR
 869         // with two extension attributes.
 870
 871         template.Attributes = []pkix.AttributeTypeAndValueSET{
 872                 pkix.AttributeTypeAndValueSET{
 873                         Type: oidExtensionRequest,
 874                         Value: [][]pkix.AttributeTypeAndValue{
 875                                 []pkix.AttributeTypeAndValue{
 876                                         pkix.AttributeTypeAndValue{
 877                                                 Type:  oidExtensionAuthorityInfoAccess,
 878                                                 Value: []byte("foo"),
 879                                         },
 880                                 },
 881                         },
 882                 },
 883         }
 884
 885         csr = marshalAndParseCSR(t, &template)
 886         if l := len(csr.Attributes); l != 1 {
 887                 t.Errorf("incorrect number of attributes: %d\n", l)
 888         }
 889
 890         if !csr.Attributes[0].Type.Equal(oidExtensionRequest) ||
 891                 len(csr.Attributes[0].Value) != 1 ||
 892                 len(csr.Attributes[0].Value[0]) != 2 {
 893                 t.Errorf("bad attributes: %#v\n", csr.Attributes)
 894         }
 895
 896         sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil)
 897         if err != nil {
 898                 t.Fatal(err)
 899         }
 900
 901         // Extensions in Attributes should override those in ExtraExtensions.
 902         template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{
 903                 Type:  oidExtensionSubjectAltName,
 904                 Value: sanContents2,
 905         })
 906
 907         csr = marshalAndParseCSR(t, &template)
 908
 909         if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" {
 910                 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames)
 911         }
 912 }
 913
 914 func TestParseCertificateRequest(t *testing.T) {
 915         csrBytes := fromBase64(csrBase64)
 916         csr, err := ParseCertificateRequest(csrBytes)
 917         if err != nil {
 918                 t.Fatalf("failed to parse CSR: %s", err)
 919         }
 920
 921         if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" {
 922                 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses)
 923         }
 924
 925         if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" {
 926                 t.Errorf("incorrect DNS names found: %v", csr.DNSNames)
 927         }
 928
 929         if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" {
 930                 t.Errorf("incorrect Subject name: %v", csr.Subject)
 931         }
 932
 933         found := false
 934         for _, e := range csr.Extensions {
 935                 if e.Id.Equal(oidExtensionBasicConstraints) {
 936                         found = true
 937                         break
 938                 }
 939         }
 940         if !found {
 941                 t.Errorf("basic constraints extension not found in CSR")
 942         }
 943 }
 944
 945 // This CSR was generated with OpenSSL:
 946 //  openssl req -out CSR.csr -new -newkey rsa:2048 -nodes -keyout privateKey.key -config openssl.cnf
 947 //
 948 // The openssl.cnf needs to include this section:
 949 //   [ v3_req ]
 950 //   basicConstraints = CA:FALSE
 951 //   keyUsage = nonRepudiation, digitalSignature, keyEncipherment
 952 //   subjectAltName = email:gopher@golang.org,DNS:test.example.com
 953 const csrBase64 = "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"