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/rand"
  11         "crypto/rsa"
  12         "crypto/x509/pkix"
  13         "encoding/asn1"
  14         "encoding/base64"
  15         "encoding/hex"
  16         "encoding/pem"
  17         "math/big"
  18         "testing"
  19         "time"
  20 )
  21
  22 func TestParsePKCS1PrivateKey(t *testing.T) {
  23         block, _ := pem.Decode([]byte(pemPrivateKey))
  24         priv, err := ParsePKCS1PrivateKey(block.Bytes)
  25         if err != nil {
  26                 t.Errorf("Failed to parse private key: %s", err)
  27                 return
  28         }
  29         if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
  30                 priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
  31                 priv.D.Cmp(rsaPrivateKey.D) != 0 ||
  32                 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 ||
  33                 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 {
  34                 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
  35         }
  36 }
  37
  38 func TestParsePKIXPublicKey(t *testing.T) {
  39         block, _ := pem.Decode([]byte(pemPublicKey))
  40         pub, err := ParsePKIXPublicKey(block.Bytes)
  41         if err != nil {
  42                 t.Errorf("Failed to parse RSA public key: %s", err)
  43                 return
  44         }
  45         rsaPub, ok := pub.(*rsa.PublicKey)
  46         if !ok {
  47                 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key")
  48                 return
  49         }
  50
  51         pubBytes2, err := MarshalPKIXPublicKey(rsaPub)
  52         if err != nil {
  53                 t.Errorf("Failed to marshal RSA public key for the second time: %s", err)
  54                 return
  55         }
  56         if !bytes.Equal(pubBytes2, block.Bytes) {
  57                 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes)
  58         }
  59 }
  60
  61 var pemPublicKey = `-----BEGIN PUBLIC KEY-----
  62 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+
  63 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k
  64 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ
  65 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg
  66 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR
  67 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ
  68 +QIDAQAB
  69 -----END PUBLIC KEY-----
  70 `
  71
  72 var pemPrivateKey = `-----BEGIN RSA PRIVATE KEY-----
  73 MIIBOgIBAAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0
  74 fd7Ai2KW5ToIwzFofvJcS/STa6HA5gQenRUCAwEAAQJBAIq9amn00aS0h/CrjXqu
  75 /ThglAXJmZhOMPVn4eiu7/ROixi9sex436MaVeMqSNf7Ex9a8fRNfWss7Sqd9eWu
  76 RTUCIQDasvGASLqmjeffBNLTXV2A5g4t+kLVCpsEIZAycV5GswIhANEPLmax0ME/
  77 EO+ZJ79TJKN5yiGBRsv5yvx5UiHxajEXAiAhAol5N4EUyq6I9w1rYdhPMGpLfk7A
  78 IU2snfRJ6Nq2CQIgFrPsWRCkV+gOYcajD17rEqmuLrdIRexpg8N1DOSXoJ8CIGlS
  79 tAboUGBxTDq3ZroNism3DaMIbKPyYrAqhKov1h5V
  80 -----END RSA PRIVATE KEY-----
  81 `
  82
  83 func bigFromString(s string) *big.Int {
  84         ret := new(big.Int)
  85         ret.SetString(s, 10)
  86         return ret
  87 }
  88
  89 func fromBase10(base10 string) *big.Int {
  90         i := new(big.Int)
  91         i.SetString(base10, 10)
  92         return i
  93 }
  94
  95 func bigFromHexString(s string) *big.Int {
  96         ret := new(big.Int)
  97         ret.SetString(s, 16)
  98         return ret
  99 }
 100
 101 var rsaPrivateKey = &rsa.PrivateKey{
 102         PublicKey: rsa.PublicKey{
 103                 N: bigFromString("9353930466774385905609975137998169297361893554149986716853295022578535724979677252958524466350471210367835187480748268864277464700638583474144061408845077"),
 104                 E: 65537,
 105         },
 106         D: bigFromString("7266398431328116344057699379749222532279343923819063639497049039389899328538543087657733766554155839834519529439851673014800261285757759040931985506583861"),
 107         Primes: []*big.Int{
 108                 bigFromString("98920366548084643601728869055592650835572950932266967461790948584315647051443"),
 109                 bigFromString("94560208308847015747498523884063394671606671904944666360068158221458669711639"),
 110         },
 111 }
 112
 113 func TestMarshalRSAPrivateKey(t *testing.T) {
 114         priv := &rsa.PrivateKey{
 115                 PublicKey: rsa.PublicKey{
 116                         N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
 117                         E: 3,
 118                 },
 119                 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
 120                 Primes: []*big.Int{
 121                         fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
 122                         fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
 123                         fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
 124                 },
 125         }
 126
 127         derBytes := MarshalPKCS1PrivateKey(priv)
 128
 129         priv2, err := ParsePKCS1PrivateKey(derBytes)
 130         if err != nil {
 131                 t.Errorf("error parsing serialized key: %s", err)
 132                 return
 133         }
 134         if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 ||
 135                 priv.PublicKey.E != priv2.PublicKey.E ||
 136                 priv.D.Cmp(priv2.D) != 0 ||
 137                 len(priv2.Primes) != 3 ||
 138                 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 ||
 139                 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 ||
 140                 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 {
 141                 t.Errorf("got:%+v want:%+v", priv, priv2)
 142         }
 143 }
 144
 145 type matchHostnamesTest struct {
 146         pattern, host string
 147         ok            bool
 148 }
 149
 150 var matchHostnamesTests = []matchHostnamesTest{
 151         {"a.b.c", "a.b.c", true},
 152         {"a.b.c", "b.b.c", false},
 153         {"", "b.b.c", false},
 154         {"a.b.c", "", false},
 155         {"example.com", "example.com", true},
 156         {"example.com", "www.example.com", false},
 157         {"*.example.com", "www.example.com", true},
 158         {"*.example.com", "xyz.www.example.com", false},
 159         {"*.*.example.com", "xyz.www.example.com", true},
 160         {"*.www.*.com", "xyz.www.example.com", true},
 161 }
 162
 163 func TestMatchHostnames(t *testing.T) {
 164         for i, test := range matchHostnamesTests {
 165                 r := matchHostnames(test.pattern, test.host)
 166                 if r != test.ok {
 167                         t.Errorf("#%d mismatch got: %t want: %t", i, r, test.ok)
 168                 }
 169         }
 170 }
 171
 172 func TestCertificateParse(t *testing.T) {
 173         s, _ := hex.DecodeString(certBytes)
 174         certs, err := ParseCertificates(s)
 175         if err != nil {
 176                 t.Error(err)
 177         }
 178         if len(certs) != 2 {
 179                 t.Errorf("Wrong number of certs: got %d want 2", len(certs))
 180                 return
 181         }
 182
 183         err = certs[0].CheckSignatureFrom(certs[1])
 184         if err != nil {
 185                 t.Error(err)
 186         }
 187
 188         if err := certs[0].VerifyHostname("mail.google.com"); err != nil {
 189                 t.Error(err)
 190         }
 191 }
 192
 193 var certBytes = "308203223082028ba00302010202106edf0d9499fd4533dd1297fc42a93be1300d06092a864886" +
 194         "f70d0101050500304c310b3009060355040613025a4131253023060355040a131c546861777465" +
 195         "20436f6e73756c74696e67202850747929204c74642e311630140603550403130d546861777465" +
 196         "20534743204341301e170d3039303332353136343932395a170d3130303332353136343932395a" +
 197         "3069310b3009060355040613025553311330110603550408130a43616c69666f726e6961311630" +
 198         "140603550407130d4d6f756e7461696e205669657731133011060355040a130a476f6f676c6520" +
 199         "496e63311830160603550403130f6d61696c2e676f6f676c652e636f6d30819f300d06092a8648" +
 200         "86f70d010101050003818d0030818902818100c5d6f892fccaf5614b064149e80a2c9581a218ef" +
 201         "41ec35bd7a58125ae76f9ea54ddc893abbeb029f6b73616bf0ffd868791fba7af9c4aebf3706ba" +
 202         "3eeaeed27435b4ddcfb157c05f351d66aa87fee0de072d66d773affbd36ab78bef090e0cc861a9" +
 203         "03ac90dd98b51c9c41566c017f0beec3bff391051ffba0f5cc6850ad2a590203010001a381e730" +
 204         "81e430280603551d250421301f06082b0601050507030106082b06010505070302060960864801" +
 205         "86f842040130360603551d1f042f302d302ba029a0278625687474703a2f2f63726c2e74686177" +
 206         "74652e636f6d2f54686177746553474343412e63726c307206082b060105050701010466306430" +
 207         "2206082b060105050730018616687474703a2f2f6f6373702e7468617774652e636f6d303e0608" +
 208         "2b060105050730028632687474703a2f2f7777772e7468617774652e636f6d2f7265706f736974" +
 209         "6f72792f5468617774655f5347435f43412e637274300c0603551d130101ff04023000300d0609" +
 210         "2a864886f70d01010505000381810062f1f3050ebc105e497c7aedf87e24d2f4a986bb3b837bd1" +
 211         "9b91ebcad98b065992f6bd2b49b7d6d3cb2e427a99d606c7b1d46352527fac39e6a8b6726de5bf" +
 212         "70212a52cba07634a5e332011bd1868e78eb5e3c93cf03072276786f207494feaa0ed9d53b2110" +
 213         "a76571f90209cdae884385c882587030ee15f33d761e2e45a6bc308203233082028ca003020102" +
 214         "020430000002300d06092a864886f70d0101050500305f310b3009060355040613025553311730" +
 215         "15060355040a130e566572695369676e2c20496e632e31373035060355040b132e436c61737320" +
 216         "33205075626c6963205072696d6172792043657274696669636174696f6e20417574686f726974" +
 217         "79301e170d3034303531333030303030305a170d3134303531323233353935395a304c310b3009" +
 218         "060355040613025a4131253023060355040a131c54686177746520436f6e73756c74696e672028" +
 219         "50747929204c74642e311630140603550403130d5468617774652053474320434130819f300d06" +
 220         "092a864886f70d010101050003818d0030818902818100d4d367d08d157faecd31fe7d1d91a13f" +
 221         "0b713cacccc864fb63fc324b0794bd6f80ba2fe10493c033fc093323e90b742b71c403c6d2cde2" +
 222         "2ff50963cdff48a500bfe0e7f388b72d32de9836e60aad007bc4644a3b847503f270927d0e62f5" +
 223         "21ab693684317590f8bfc76c881b06957cc9e5a8de75a12c7a68dfd5ca1c875860190203010001" +
 224         "a381fe3081fb30120603551d130101ff040830060101ff020100300b0603551d0f040403020106" +
 225         "301106096086480186f842010104040302010630280603551d110421301fa41d301b3119301706" +
 226         "035504031310507269766174654c6162656c332d313530310603551d1f042a30283026a024a022" +
 227         "8620687474703a2f2f63726c2e766572697369676e2e636f6d2f706361332e63726c303206082b" +
 228         "0601050507010104263024302206082b060105050730018616687474703a2f2f6f6373702e7468" +
 229         "617774652e636f6d30340603551d25042d302b06082b0601050507030106082b06010505070302" +
 230         "06096086480186f8420401060a6086480186f845010801300d06092a864886f70d010105050003" +
 231         "81810055ac63eadea1ddd2905f9f0bce76be13518f93d9052bc81b774bad6950a1eededcfddb07" +
 232         "e9e83994dcab72792f06bfab8170c4a8edea5334edef1e53d906c7562bd15cf4d18a8eb42bb137" +
 233         "9048084225c53e8acb7feb6f04d16dc574a2f7a27c7b603c77cd0ece48027f012fb69b37e02a2a" +
 234         "36dcd585d6ace53f546f961e05af"
 235
 236 func TestCreateSelfSignedCertificate(t *testing.T) {
 237         random := rand.Reader
 238
 239         block, _ := pem.Decode([]byte(pemPrivateKey))
 240         priv, err := ParsePKCS1PrivateKey(block.Bytes)
 241         if err != nil {
 242                 t.Errorf("Failed to parse private key: %s", err)
 243                 return
 244         }
 245
 246         commonName := "test.example.com"
 247         template := Certificate{
 248                 SerialNumber: big.NewInt(1),
 249                 Subject: pkix.Name{
 250                         CommonName:   commonName,
 251                         Organization: []string{"Acme Co"},
 252                 },
 253                 NotBefore: time.Unix(1000, 0),
 254                 NotAfter:  time.Unix(100000, 0),
 255
 256                 SubjectKeyId: []byte{1, 2, 3, 4},
 257                 KeyUsage:     KeyUsageCertSign,
 258
 259                 BasicConstraintsValid: true,
 260                 IsCA:                  true,
 261                 DNSNames:              []string{"test.example.com"},
 262
 263                 PolicyIdentifiers:   []asn1.ObjectIdentifier{[]int{1, 2, 3}},
 264                 PermittedDNSDomains: []string{".example.com", "example.com"},
 265         }
 266
 267         derBytes, err := CreateCertificate(random, &template, &template, &priv.PublicKey, priv)
 268         if err != nil {
 269                 t.Errorf("Failed to create certificate: %s", err)
 270                 return
 271         }
 272
 273         cert, err := ParseCertificate(derBytes)
 274         if err != nil {
 275                 t.Errorf("Failed to parse certificate: %s", err)
 276                 return
 277         }
 278
 279         if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) {
 280                 t.Errorf("Failed to parse policy identifiers: got:%#v want:%#v", cert.PolicyIdentifiers, template.PolicyIdentifiers)
 281         }
 282
 283         if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" {
 284                 t.Errorf("Failed to parse name constraints: %#v", cert.PermittedDNSDomains)
 285         }
 286
 287         if cert.Subject.CommonName != commonName {
 288                 t.Errorf("Subject wasn't correctly copied from the template. Got %s, want %s", cert.Subject.CommonName, commonName)
 289         }
 290
 291         if cert.Issuer.CommonName != commonName {
 292                 t.Errorf("Issuer wasn't correctly copied from the template. Got %s, want %s", cert.Issuer.CommonName, commonName)
 293         }
 294
 295         err = cert.CheckSignatureFrom(cert)
 296         if err != nil {
 297                 t.Errorf("Signature verification failed: %s", err)
 298                 return
 299         }
 300 }
 301
 302 // Self-signed certificate using DSA with SHA1
 303 var dsaCertPem = `-----BEGIN CERTIFICATE-----
 304 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC
 305 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds
 306 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs
 307 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5
 308 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG
 309 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3
 310 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB
 311 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN
 312 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW
 313 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5
 314 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC
 315 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz
 316 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE
 317 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5
 318 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c
 319 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud
 320 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11
 321 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w
 322 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK
 323 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx
 324 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI
 325 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM
 326 -----END CERTIFICATE-----
 327 `
 328
 329 func TestParseCertificateWithDsaPublicKey(t *testing.T) {
 330         expectedKey := &dsa.PublicKey{
 331                 Parameters: dsa.Parameters{
 332                         P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"),
 333                         Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"),
 334                         G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"),
 335                 },
 336                 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"),
 337         }
 338         pemBlock, _ := pem.Decode([]byte(dsaCertPem))
 339         cert, err := ParseCertificate(pemBlock.Bytes)
 340         if err != nil {
 341                 t.Fatalf("Failed to parse certificate: %s", err)
 342         }
 343         if cert.PublicKeyAlgorithm != DSA {
 344                 t.Errorf("Parsed key algorithm was not DSA")
 345         }
 346         parsedKey, ok := cert.PublicKey.(*dsa.PublicKey)
 347         if !ok {
 348                 t.Fatalf("Parsed key was not a DSA key: %s", err)
 349         }
 350         if expectedKey.Y.Cmp(parsedKey.Y) != 0 ||
 351                 expectedKey.P.Cmp(parsedKey.P) != 0 ||
 352                 expectedKey.Q.Cmp(parsedKey.Q) != 0 ||
 353                 expectedKey.G.Cmp(parsedKey.G) != 0 {
 354                 t.Fatal("Parsed key differs from expected key")
 355         }
 356 }
 357
 358 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) {
 359         pemBlock, _ := pem.Decode([]byte(dsaCertPem))
 360         cert, err := ParseCertificate(pemBlock.Bytes)
 361         if err != nil {
 362                 t.Fatalf("Failed to parse certificate: %s", err)
 363         }
 364         if cert.SignatureAlgorithm != DSAWithSHA1 {
 365                 t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
 366         }
 367 }
 368
 369 func TestVerifyCertificateWithDSASignature(t *testing.T) {
 370         pemBlock, _ := pem.Decode([]byte(dsaCertPem))
 371         cert, err := ParseCertificate(pemBlock.Bytes)
 372         if err != nil {
 373                 t.Fatalf("Failed to parse certificate: %s", err)
 374         }
 375         // test cert is self-signed
 376         if err = cert.CheckSignatureFrom(cert); err != nil {
 377                 t.Fatalf("DSA Certificate verfication failed: %s", err)
 378         }
 379 }
 380
 381 const pemCertificate = `-----BEGIN CERTIFICATE-----
 382 MIIB5DCCAZCgAwIBAgIBATALBgkqhkiG9w0BAQUwLTEQMA4GA1UEChMHQWNtZSBDbzEZMBcGA1UE
 383 AxMQdGVzdC5leGFtcGxlLmNvbTAeFw03MDAxMDEwMDE2NDBaFw03MDAxMDIwMzQ2NDBaMC0xEDAO
 384 BgNVBAoTB0FjbWUgQ28xGTAXBgNVBAMTEHRlc3QuZXhhbXBsZS5jb20wWjALBgkqhkiG9w0BAQED
 385 SwAwSAJBALKZD0nEffqM1ACuak0bijtqE2QrI/KLADv7l3kK3ppMyCuLKoF0fd7Ai2KW5ToIwzFo
 386 fvJcS/STa6HA5gQenRUCAwEAAaOBnjCBmzAOBgNVHQ8BAf8EBAMCAAQwDwYDVR0TAQH/BAUwAwEB
 387 /zANBgNVHQ4EBgQEAQIDBDAPBgNVHSMECDAGgAQBAgMEMBsGA1UdEQQUMBKCEHRlc3QuZXhhbXBs
 388 ZS5jb20wDwYDVR0gBAgwBjAEBgIqAzAqBgNVHR4EIzAhoB8wDoIMLmV4YW1wbGUuY29tMA2CC2V4
 389 YW1wbGUuY29tMAsGCSqGSIb3DQEBBQNBAHKZKoS1wEQOGhgklx4+/yFYQlnqwKXvar/ZecQvJwui
 390 0seMQnwBhwdBkHfVIU2Fu5VUMRyxlf0ZNaDXcpU581k=
 391 -----END CERTIFICATE-----`
 392
 393 func TestCRLCreation(t *testing.T) {
 394         block, _ := pem.Decode([]byte(pemPrivateKey))
 395         priv, _ := ParsePKCS1PrivateKey(block.Bytes)
 396         block, _ = pem.Decode([]byte(pemCertificate))
 397         cert, _ := ParseCertificate(block.Bytes)
 398
 399         now := time.Unix(1000, 0)
 400         expiry := time.Unix(10000, 0)
 401
 402         revokedCerts := []pkix.RevokedCertificate{
 403                 {
 404                         SerialNumber:   big.NewInt(1),
 405                         RevocationTime: now,
 406                 },
 407                 {
 408                         SerialNumber:   big.NewInt(42),
 409                         RevocationTime: now,
 410                 },
 411         }
 412
 413         crlBytes, err := cert.CreateCRL(rand.Reader, priv, revokedCerts, now, expiry)
 414         if err != nil {
 415                 t.Errorf("error creating CRL: %s", err)
 416         }
 417
 418         _, err = ParseDERCRL(crlBytes)
 419         if err != nil {
 420                 t.Errorf("error reparsing CRL: %s", err)
 421         }
 422 }
 423
 424 func fromBase64(in string) []byte {
 425         out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
 426         _, err := base64.StdEncoding.Decode(out, []byte(in))
 427         if err != nil {
 428                 panic("failed to base64 decode")
 429         }
 430         return out
 431 }
 432
 433 func TestParseDERCRL(t *testing.T) {
 434         derBytes := fromBase64(derCRLBase64)
 435         certList, err := ParseDERCRL(derBytes)
 436         if err != nil {
 437                 t.Errorf("error parsing: %s", err)
 438                 return
 439         }
 440         numCerts := len(certList.TBSCertList.RevokedCertificates)
 441         expected := 88
 442         if numCerts != expected {
 443                 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
 444         }
 445
 446         if certList.HasExpired(time.Unix(1302517272, 0)) {
 447                 t.Errorf("CRL has expired (but shouldn't have)")
 448         }
 449
 450         // Can't check the signature here without a package cycle.
 451 }
 452
 453 func TestParsePEMCRL(t *testing.T) {
 454         pemBytes := fromBase64(pemCRLBase64)
 455         certList, err := ParseCRL(pemBytes)
 456         if err != nil {
 457                 t.Errorf("error parsing: %s", err)
 458                 return
 459         }
 460         numCerts := len(certList.TBSCertList.RevokedCertificates)
 461         expected := 2
 462         if numCerts != expected {
 463                 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
 464         }
 465
 466         if certList.HasExpired(time.Unix(1302517272, 0)) {
 467                 t.Errorf("CRL has expired (but shouldn't have)")
 468         }
 469
 470         // Can't check the signature here without a package cycle.
 471 }
 472
 473 const derCRLBase64 = "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"
 474
 475 const pemCRLBase64 = "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"