github.com/mtsmfm/go/src@v0.0.0-20221020090648-44bdcb9f8fde/crypto/x509/x509_test.go (about) 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" 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 37 func 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 60 func TestPKCS1MismatchPublicKeyFormat(t *testing.T) { 61 62 const pkixPublicKey = "30820122300d06092a864886f70d01010105000382010f003082010a0282010100dd5a0f37d3ca5232852ccc0e81eebec270e2f2c6c44c6231d852971a0aad00aa7399e9b9de444611083c59ea919a9d76c20a7be131a99045ec19a7bb452d647a72429e66b87e28be9e8187ed1d2a2a01ef3eb2360706bd873b07f2d1f1a72337aab5ec94e983e39107f52c480d404915e84d75a3db2cfd601726a128cb1d7f11492d4bdb53272e652276667220795c709b8a9b4af6489cbf48bb8173b8fb607c834a71b6e8bf2d6aab82af3c8ad7ce16d8dcf58373a6edc427f7484d09744d4c08f4e19ed07adbf6cb31243bc5d0d1145e77a08a6fc5efd208eca67d6abf2d6f38f58b6fdd7c28774fb0cc03fc4935c6e074842d2e1479d3d8787249258719f90203010001" 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 71 func TestMarshalInvalidPublicKey(t *testing.T) { 72 _, err := MarshalPKIXPublicKey(&ecdsa.PublicKey{}) 73 if err == nil { 74 t.Errorf("expected error, got MarshalPKIXPublicKey success") 75 } 76 _, err = MarshalPKIXPublicKey(&ecdsa.PublicKey{ 77 Curve: elliptic.P256(), 78 X: big.NewInt(1), Y: big.NewInt(2), 79 }) 80 if err == nil { 81 t.Errorf("expected error, got MarshalPKIXPublicKey success") 82 } 83 } 84 85 func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) { 86 block, _ := pem.Decode([]byte(pemBytes)) 87 pub, err := ParsePKIXPublicKey(block.Bytes) 88 if err != nil { 89 t.Fatalf("Failed to parse public key: %s", err) 90 } 91 92 pubBytes2, err := MarshalPKIXPublicKey(pub) 93 if err != nil { 94 t.Errorf("Failed to marshal public key for the second time: %s", err) 95 return 96 } 97 if !bytes.Equal(pubBytes2, block.Bytes) { 98 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes) 99 } 100 return 101 } 102 103 func TestParsePKIXPublicKey(t *testing.T) { 104 t.Run("RSA", func(t *testing.T) { 105 pub := testParsePKIXPublicKey(t, pemPublicKey) 106 _, ok := pub.(*rsa.PublicKey) 107 if !ok { 108 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key") 109 } 110 }) 111 t.Run("Ed25519", func(t *testing.T) { 112 pub := testParsePKIXPublicKey(t, pemEd25519Key) 113 _, ok := pub.(ed25519.PublicKey) 114 if !ok { 115 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key") 116 } 117 }) 118 } 119 120 var pemPublicKey = `-----BEGIN PUBLIC KEY----- 121 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+ 122 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k 123 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ 124 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg 125 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR 126 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ 127 +QIDAQAB 128 -----END PUBLIC KEY----- 129 ` 130 131 var pemPrivateKey = testingKey(` 132 -----BEGIN RSA TESTING KEY----- 133 MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v 134 IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7 135 J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB 136 AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1 137 V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd 138 7gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R 139 vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12 140 33QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS 141 rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi 142 MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX 143 AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo 144 6vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6 145 wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY= 146 -----END RSA TESTING KEY----- 147 `) 148 149 // pemEd25519Key is the example from RFC 8410, Secrion 4. 150 var pemEd25519Key = ` 151 -----BEGIN PUBLIC KEY----- 152 MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE= 153 -----END PUBLIC KEY----- 154 ` 155 156 func TestPKIXMismatchPublicKeyFormat(t *testing.T) { 157 158 const pkcs1PublicKey = "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" 159 const errorContains = "use ParsePKCS1PublicKey instead" 160 derBytes, _ := hex.DecodeString(pkcs1PublicKey) 161 _, err := ParsePKIXPublicKey(derBytes) 162 if !strings.Contains(err.Error(), errorContains) { 163 t.Errorf("expected error containing %q, got %s", errorContains, err) 164 } 165 } 166 167 var testPrivateKey *rsa.PrivateKey 168 169 func init() { 170 block, _ := pem.Decode([]byte(pemPrivateKey)) 171 172 var err error 173 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil { 174 panic("Failed to parse private key: " + err.Error()) 175 } 176 } 177 178 func bigFromString(s string) *big.Int { 179 ret := new(big.Int) 180 ret.SetString(s, 10) 181 return ret 182 } 183 184 func fromBase10(base10 string) *big.Int { 185 i := new(big.Int) 186 i.SetString(base10, 10) 187 return i 188 } 189 190 func bigFromHexString(s string) *big.Int { 191 ret := new(big.Int) 192 ret.SetString(s, 16) 193 return ret 194 } 195 196 var rsaPrivateKey = &rsa.PrivateKey{ 197 PublicKey: rsa.PublicKey{ 198 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"), 199 E: 65537, 200 }, 201 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"), 202 Primes: []*big.Int{ 203 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"), 204 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"), 205 }, 206 } 207 208 func TestMarshalRSAPrivateKey(t *testing.T) { 209 priv := &rsa.PrivateKey{ 210 PublicKey: rsa.PublicKey{ 211 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 212 E: 3, 213 }, 214 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"), 215 Primes: []*big.Int{ 216 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"), 217 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"), 218 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"), 219 }, 220 } 221 222 derBytes := MarshalPKCS1PrivateKey(priv) 223 224 priv2, err := ParsePKCS1PrivateKey(derBytes) 225 if err != nil { 226 t.Errorf("error parsing serialized key: %s", err) 227 return 228 } 229 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 || 230 priv.PublicKey.E != priv2.PublicKey.E || 231 priv.D.Cmp(priv2.D) != 0 || 232 len(priv2.Primes) != 3 || 233 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 || 234 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 || 235 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 { 236 t.Errorf("got:%+v want:%+v", priv, priv2) 237 } 238 } 239 240 func TestMarshalRSAPublicKey(t *testing.T) { 241 pub := &rsa.PublicKey{ 242 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"), 243 E: 3, 244 } 245 derBytes := MarshalPKCS1PublicKey(pub) 246 pub2, err := ParsePKCS1PublicKey(derBytes) 247 if err != nil { 248 t.Errorf("ParsePKCS1PublicKey: %s", err) 249 } 250 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E { 251 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2) 252 } 253 254 // It's never been documented that asn1.Marshal/Unmarshal on rsa.PublicKey works, 255 // but it does, and we know of code that depends on it. 256 // Lock that in, even though we'd prefer that people use MarshalPKCS1PublicKey and ParsePKCS1PublicKey. 257 derBytes2, err := asn1.Marshal(*pub) 258 if err != nil { 259 t.Errorf("Marshal(rsa.PublicKey): %v", err) 260 } else if !bytes.Equal(derBytes, derBytes2) { 261 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes) 262 } 263 pub3 := new(rsa.PublicKey) 264 rest, err := asn1.Unmarshal(derBytes, pub3) 265 if err != nil { 266 t.Errorf("Unmarshal(rsa.PublicKey): %v", err) 267 } 268 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E { 269 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil)) 270 } 271 272 publicKeys := []struct { 273 derBytes []byte 274 expectedErrSubstr string 275 }{ 276 { 277 derBytes: []byte{ 278 0x30, 6, // SEQUENCE, 6 bytes 279 0x02, 1, // INTEGER, 1 byte 280 17, 281 0x02, 1, // INTEGER, 1 byte 282 3, // 3 283 }, 284 }, { 285 derBytes: []byte{ 286 0x30, 6, // SEQUENCE 287 0x02, 1, // INTEGER, 1 byte 288 0xff, // -1 289 0x02, 1, // INTEGER, 1 byte 290 3, 291 }, 292 expectedErrSubstr: "zero or negative", 293 }, { 294 derBytes: []byte{ 295 0x30, 6, // SEQUENCE 296 0x02, 1, // INTEGER, 1 byte 297 17, 298 0x02, 1, // INTEGER, 1 byte 299 0xff, // -1 300 }, 301 expectedErrSubstr: "zero or negative", 302 }, { 303 derBytes: []byte{ 304 0x30, 6, // SEQUENCE 305 0x02, 1, // INTEGER, 1 byte 306 17, 307 0x02, 1, // INTEGER, 1 byte 308 3, 309 1, 310 }, 311 expectedErrSubstr: "trailing data", 312 }, { 313 derBytes: []byte{ 314 0x30, 9, // SEQUENCE 315 0x02, 1, // INTEGER, 1 byte 316 17, 317 0x02, 4, // INTEGER, 4 bytes 318 0x7f, 0xff, 0xff, 0xff, 319 }, 320 }, { 321 derBytes: []byte{ 322 0x30, 10, // SEQUENCE 323 0x02, 1, // INTEGER, 1 byte 324 17, 325 0x02, 5, // INTEGER, 5 bytes 326 0x00, 0x80, 0x00, 0x00, 0x00, 327 }, 328 // On 64-bit systems, encoding/asn1 will accept the 329 // public exponent, but ParsePKCS1PublicKey will return 330 // an error. On 32-bit systems, encoding/asn1 will 331 // return the error. The common substring of both error 332 // is the word “large”. 333 expectedErrSubstr: "large", 334 }, 335 } 336 337 for i, test := range publicKeys { 338 shouldFail := len(test.expectedErrSubstr) > 0 339 pub, err := ParsePKCS1PublicKey(test.derBytes) 340 if shouldFail { 341 if err == nil { 342 t.Errorf("#%d: unexpected success, got %#v", i, pub) 343 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) { 344 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err) 345 } 346 } else { 347 if err != nil { 348 t.Errorf("#%d: unexpected failure: %s", i, err) 349 continue 350 } 351 reserialized := MarshalPKCS1PublicKey(pub) 352 if !bytes.Equal(reserialized, test.derBytes) { 353 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes) 354 } 355 } 356 } 357 } 358 359 type matchHostnamesTest struct { 360 pattern, host string 361 ok bool 362 } 363 364 var matchHostnamesTests = []matchHostnamesTest{ 365 {"a.b.c", "a.b.c", true}, 366 {"a.b.c", "b.b.c", false}, 367 {"", "b.b.c", false}, 368 {"a.b.c", "", false}, 369 {"example.com", "example.com", true}, 370 {"example.com", "www.example.com", false}, 371 {"*.example.com", "example.com", false}, 372 {"*.example.com", "www.example.com", true}, 373 {"*.example.com", "www.example.com.", true}, 374 {"*.example.com", "xyz.www.example.com", false}, 375 {"*.example.com", "https://www.example.com", false}, // Issue 27591 376 {"*.example..com", "www.example..com", false}, 377 {"www.example..com", "www.example..com", true}, 378 {"*.*.example.com", "xyz.www.example.com", false}, 379 {"*.www.*.com", "xyz.www.example.com", false}, 380 {"*bar.example.com", "foobar.example.com", false}, 381 {"f*.example.com", "foobar.example.com", false}, 382 {"www.example.com", "*.example.com", false}, 383 {"", ".", false}, 384 {".", "", false}, 385 {".", ".", false}, 386 {"example.com", "example.com.", true}, 387 {"example.com.", "example.com", false}, 388 {"example.com.", "example.com.", true}, // perfect matches allow trailing dots in patterns 389 {"*.com.", "example.com.", false}, 390 {"*.com.", "example.com", false}, 391 {"*.com", "example.com", true}, 392 {"*.com", "example.com.", true}, 393 {"foo:bar", "foo:bar", true}, 394 {"*.foo:bar", "xxx.foo:bar", false}, 395 {"*.2.3.4", "1.2.3.4", false}, 396 {"*.2.3.4", "[1.2.3.4]", false}, 397 {"*:4860:4860::8888", "2001:4860:4860::8888", false}, 398 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false}, 399 {"2001:4860:4860::8888", "2001:4860:4860::8888", false}, 400 {"2001:4860:4860::8888", "[2001:4860:4860::8888]", false}, 401 {"[2001:4860:4860::8888]", "2001:4860:4860::8888", false}, 402 {"[2001:4860:4860::8888]", "[2001:4860:4860::8888]", false}, 403 } 404 405 func TestMatchHostnames(t *testing.T) { 406 for i, test := range matchHostnamesTests { 407 c := &Certificate{DNSNames: []string{test.pattern}} 408 r := c.VerifyHostname(test.host) == nil 409 if r != test.ok { 410 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern) 411 } 412 } 413 } 414 415 func TestMatchIP(t *testing.T) { 416 // Check that pattern matching is working. 417 c := &Certificate{ 418 DNSNames: []string{"*.foo.bar.baz"}, 419 Subject: pkix.Name{ 420 CommonName: "*.foo.bar.baz", 421 }, 422 } 423 err := c.VerifyHostname("quux.foo.bar.baz") 424 if err != nil { 425 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err) 426 } 427 428 // But check that if we change it to be matching against an IP address, 429 // it is rejected. 430 c = &Certificate{ 431 DNSNames: []string{"*.2.3.4"}, 432 Subject: pkix.Name{ 433 CommonName: "*.2.3.4", 434 }, 435 } 436 err = c.VerifyHostname("1.2.3.4") 437 if err == nil { 438 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not") 439 } 440 441 c = &Certificate{ 442 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")}, 443 } 444 err = c.VerifyHostname("127.0.0.1") 445 if err != nil { 446 t.Fatalf("VerifyHostname(127.0.0.1): %v", err) 447 } 448 err = c.VerifyHostname("::1") 449 if err != nil { 450 t.Fatalf("VerifyHostname(::1): %v", err) 451 } 452 err = c.VerifyHostname("[::1]") 453 if err != nil { 454 t.Fatalf("VerifyHostname([::1]): %v", err) 455 } 456 } 457 458 func TestCertificateParse(t *testing.T) { 459 s, _ := base64.StdEncoding.DecodeString(certBytes) 460 certs, err := ParseCertificates(s) 461 if err != nil { 462 t.Error(err) 463 } 464 if len(certs) != 2 { 465 t.Errorf("Wrong number of certs: got %d want 2", len(certs)) 466 return 467 } 468 469 err = certs[0].CheckSignatureFrom(certs[1]) 470 if err != nil { 471 t.Error(err) 472 } 473 474 if err := certs[0].VerifyHostname("mail.google.com"); err != nil { 475 t.Error(err) 476 } 477 478 const expectedExtensions = 10 479 if n := len(certs[0].Extensions); n != expectedExtensions { 480 t.Errorf("want %d extensions, got %d", expectedExtensions, n) 481 } 482 } 483 484 func TestCertificateEqualOnNil(t *testing.T) { 485 cNonNil := new(Certificate) 486 var cNil1, cNil2 *Certificate 487 if !cNil1.Equal(cNil2) { 488 t.Error("Nil certificates: cNil1 is not equal to cNil2") 489 } 490 if !cNil2.Equal(cNil1) { 491 t.Error("Nil certificates: cNil2 is not equal to cNil1") 492 } 493 if cNil1.Equal(cNonNil) { 494 t.Error("Unexpectedly cNil1 is equal to cNonNil") 495 } 496 if cNonNil.Equal(cNil1) { 497 t.Error("Unexpectedly cNonNil is equal to cNil1") 498 } 499 } 500 501 func TestMismatchedSignatureAlgorithm(t *testing.T) { 502 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM)) 503 if der == nil { 504 t.Fatal("Failed to find PEM block") 505 } 506 507 cert, err := ParseCertificate(der.Bytes) 508 if err != nil { 509 t.Fatal(err) 510 } 511 512 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil { 513 t.Fatal("CheckSignature unexpectedly return no error") 514 } 515 516 const expectedSubstring = " but have public key of type " 517 if !strings.Contains(err.Error(), expectedSubstring) { 518 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err) 519 } 520 } 521 522 var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" + 523 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" + 524 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" + 525 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" + 526 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" + 527 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" + 528 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" + 529 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" + 530 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" + 531 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" + 532 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" + 533 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" + 534 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" + 535 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" + 536 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" + 537 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" + 538 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" + 539 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" + 540 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" + 541 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" + 542 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" + 543 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" + 544 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" + 545 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" + 546 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" + 547 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" + 548 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" + 549 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" + 550 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" + 551 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" + 552 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" + 553 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" + 554 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" + 555 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" + 556 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" + 557 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" + 558 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" + 559 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" + 560 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" + 561 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" + 562 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" + 563 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" + 564 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" + 565 "t63yr/tQri/hlQ3zRq2dnPXK" 566 567 func parseCIDR(s string) *net.IPNet { 568 _, net, err := net.ParseCIDR(s) 569 if err != nil { 570 panic(err) 571 } 572 return net 573 } 574 575 func parseURI(s string) *url.URL { 576 uri, err := url.Parse(s) 577 if err != nil { 578 panic(err) 579 } 580 return uri 581 } 582 583 func TestCreateSelfSignedCertificate(t *testing.T) { 584 random := rand.Reader 585 586 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 587 if err != nil { 588 t.Fatalf("Failed to generate ECDSA key: %s", err) 589 } 590 591 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random) 592 if err != nil { 593 t.Fatalf("Failed to generate Ed25519 key: %s", err) 594 } 595 596 tests := []struct { 597 name string 598 pub, priv any 599 checkSig bool 600 sigAlgo SignatureAlgorithm 601 }{ 602 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA}, 603 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 604 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA}, 605 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256}, 606 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS}, 607 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS}, 608 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384}, 609 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519}, 610 } 611 612 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth} 613 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}} 614 extraExtensionData := []byte("extra extension") 615 616 for _, test := range tests { 617 commonName := "test.example.com" 618 template := Certificate{ 619 SerialNumber: big.NewInt(1), 620 Subject: pkix.Name{ 621 CommonName: commonName, 622 Organization: []string{"Σ Acme Co"}, 623 Country: []string{"US"}, 624 ExtraNames: []pkix.AttributeTypeAndValue{ 625 { 626 Type: []int{2, 5, 4, 42}, 627 Value: "Gopher", 628 }, 629 // This should override the Country, above. 630 { 631 Type: []int{2, 5, 4, 6}, 632 Value: "NL", 633 }, 634 }, 635 }, 636 NotBefore: time.Unix(1000, 0), 637 NotAfter: time.Unix(100000, 0), 638 639 SignatureAlgorithm: test.sigAlgo, 640 641 SubjectKeyId: []byte{1, 2, 3, 4}, 642 KeyUsage: KeyUsageCertSign, 643 644 ExtKeyUsage: testExtKeyUsage, 645 UnknownExtKeyUsage: testUnknownExtKeyUsage, 646 647 BasicConstraintsValid: true, 648 IsCA: true, 649 650 OCSPServer: []string{"http://ocsp.example.com"}, 651 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"}, 652 653 DNSNames: []string{"test.example.com"}, 654 EmailAddresses: []string{"gopher@golang.org"}, 655 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 656 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")}, 657 658 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}}, 659 PermittedDNSDomains: []string{".example.com", "example.com"}, 660 ExcludedDNSDomains: []string{"bar.example.com"}, 661 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")}, 662 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")}, 663 PermittedEmailAddresses: []string{"foo@example.com"}, 664 ExcludedEmailAddresses: []string{".example.com", "example.com"}, 665 PermittedURIDomains: []string{".bar.com", "bar.com"}, 666 ExcludedURIDomains: []string{".bar2.com", "bar2.com"}, 667 668 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"}, 669 670 ExtraExtensions: []pkix.Extension{ 671 { 672 Id: []int{1, 2, 3, 4}, 673 Value: extraExtensionData, 674 }, 675 // This extension should override the SubjectKeyId, above. 676 { 677 Id: oidExtensionSubjectKeyId, 678 Critical: false, 679 Value: []byte{0x04, 0x04, 4, 3, 2, 1}, 680 }, 681 }, 682 } 683 684 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv) 685 if err != nil { 686 t.Errorf("%s: failed to create certificate: %s", test.name, err) 687 continue 688 } 689 690 cert, err := ParseCertificate(derBytes) 691 if err != nil { 692 t.Errorf("%s: failed to parse certificate: %s", test.name, err) 693 continue 694 } 695 696 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) { 697 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers) 698 } 699 700 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" { 701 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains) 702 } 703 704 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" { 705 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains) 706 } 707 708 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" { 709 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges) 710 } 711 712 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" { 713 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges) 714 } 715 716 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" { 717 t.Errorf("%s: failed to parse permitted email addresses: %#v", test.name, cert.PermittedEmailAddresses) 718 } 719 720 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" { 721 t.Errorf("%s: failed to parse excluded email addresses: %#v", test.name, cert.ExcludedEmailAddresses) 722 } 723 724 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" { 725 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains) 726 } 727 728 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" { 729 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains) 730 } 731 732 if cert.Subject.CommonName != commonName { 733 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName) 734 } 735 736 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" { 737 t.Errorf("%s: ExtraNames didn't override Country", test.name) 738 } 739 740 for _, ext := range cert.Extensions { 741 if ext.Id.Equal(oidExtensionSubjectAltName) { 742 if ext.Critical { 743 t.Fatal("SAN extension is marked critical") 744 } 745 } 746 } 747 748 found := false 749 for _, atv := range cert.Subject.Names { 750 if atv.Type.Equal([]int{2, 5, 4, 42}) { 751 found = true 752 break 753 } 754 } 755 if !found { 756 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name) 757 } 758 759 if cert.Issuer.CommonName != commonName { 760 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName) 761 } 762 763 if cert.SignatureAlgorithm != test.sigAlgo { 764 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo) 765 } 766 767 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) { 768 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage) 769 } 770 771 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) { 772 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) 773 } 774 775 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) { 776 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer) 777 } 778 779 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) { 780 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL) 781 } 782 783 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) { 784 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames) 785 } 786 787 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) { 788 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses) 789 } 790 791 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" { 792 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs) 793 } 794 795 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) { 796 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses) 797 } 798 799 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) { 800 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints) 801 } 802 803 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) { 804 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name) 805 } 806 807 if !bytes.Contains(derBytes, extraExtensionData) { 808 t.Errorf("%s: didn't find extra extension in DER output", test.name) 809 } 810 811 if test.checkSig { 812 err = cert.CheckSignatureFrom(cert) 813 if err != nil { 814 t.Errorf("%s: signature verification failed: %s", test.name, err) 815 } 816 } 817 } 818 } 819 820 // Self-signed certificate using ECDSA with SHA1 & secp256r1 821 var ecdsaSHA1CertPem = ` 822 -----BEGIN CERTIFICATE----- 823 MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET 824 MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG 825 A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 826 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw 827 WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 828 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg 829 SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv 830 bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn 831 WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3 832 P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2 833 DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV 834 a/A= 835 -----END CERTIFICATE----- 836 ` 837 838 // Self-signed certificate using ECDSA with SHA256 & secp256r1 839 var ecdsaSHA256p256CertPem = ` 840 -----BEGIN CERTIFICATE----- 841 MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx 842 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT 843 BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh 844 BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx 845 NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp 846 Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs 847 IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn 848 b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt 849 2ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm 850 YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV 851 70twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ 852 h5wi 853 -----END CERTIFICATE----- 854 ` 855 856 // Self-signed certificate using ECDSA with SHA256 & secp384r1 857 var ecdsaSHA256p384CertPem = ` 858 -----BEGIN CERTIFICATE----- 859 MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx 860 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 861 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 862 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0 863 WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 864 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 865 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 866 YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK 867 jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze 868 qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI 869 zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr 870 PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh 871 3yILeYQzllt/g0rKVRk= 872 -----END CERTIFICATE----- 873 ` 874 875 // Self-signed certificate using ECDSA with SHA384 & secp521r1 876 var ecdsaSHA384p521CertPem = ` 877 -----BEGIN CERTIFICATE----- 878 MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx 879 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS 880 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG 881 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5 882 WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm 883 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg 884 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s 885 YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv 886 IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz 887 PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm 888 8FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw 889 gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH 890 BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh 891 kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa 892 -----END CERTIFICATE----- 893 ` 894 895 var ecdsaTests = []struct { 896 sigAlgo SignatureAlgorithm 897 pemCert string 898 }{ 899 {ECDSAWithSHA256, ecdsaSHA256p256CertPem}, 900 {ECDSAWithSHA256, ecdsaSHA256p384CertPem}, 901 {ECDSAWithSHA384, ecdsaSHA384p521CertPem}, 902 } 903 904 func TestECDSA(t *testing.T) { 905 for i, test := range ecdsaTests { 906 pemBlock, _ := pem.Decode([]byte(test.pemCert)) 907 cert, err := ParseCertificate(pemBlock.Bytes) 908 if err != nil { 909 t.Errorf("%d: failed to parse certificate: %s", i, err) 910 continue 911 } 912 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo { 913 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo) 914 } 915 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok { 916 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey) 917 } 918 if pka := cert.PublicKeyAlgorithm; pka != ECDSA { 919 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka) 920 } 921 if err = cert.CheckSignatureFrom(cert); err != nil { 922 t.Errorf("%d: certificate verification failed: %s", i, err) 923 } 924 } 925 } 926 927 // Self-signed certificate using DSA with SHA1 928 var dsaCertPem = `-----BEGIN CERTIFICATE----- 929 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC 930 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds 931 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs 932 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5 933 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG 934 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3 935 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB 936 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN 937 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW 938 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5 939 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC 940 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz 941 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE 942 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5 943 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c 944 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud 945 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11 946 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w 947 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK 948 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx 949 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI 950 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM 951 -----END CERTIFICATE----- 952 ` 953 954 func TestParseCertificateWithDsaPublicKey(t *testing.T) { 955 expectedKey := &dsa.PublicKey{ 956 Parameters: dsa.Parameters{ 957 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"), 958 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"), 959 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"), 960 }, 961 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"), 962 } 963 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 964 cert, err := ParseCertificate(pemBlock.Bytes) 965 if err != nil { 966 t.Fatalf("Failed to parse certificate: %s", err) 967 } 968 if cert.PublicKeyAlgorithm != DSA { 969 t.Errorf("Parsed key algorithm was not DSA") 970 } 971 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey) 972 if !ok { 973 t.Fatalf("Parsed key was not a DSA key: %s", err) 974 } 975 if expectedKey.Y.Cmp(parsedKey.Y) != 0 || 976 expectedKey.P.Cmp(parsedKey.P) != 0 || 977 expectedKey.Q.Cmp(parsedKey.Q) != 0 || 978 expectedKey.G.Cmp(parsedKey.G) != 0 { 979 t.Fatal("Parsed key differs from expected key") 980 } 981 } 982 983 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) { 984 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 985 cert, err := ParseCertificate(pemBlock.Bytes) 986 if err != nil { 987 t.Fatalf("Failed to parse certificate: %s", err) 988 } 989 if cert.SignatureAlgorithm != DSAWithSHA1 { 990 t.Errorf("Parsed signature algorithm was not DSAWithSHA1") 991 } 992 } 993 994 func TestVerifyCertificateWithDSASignature(t *testing.T) { 995 pemBlock, _ := pem.Decode([]byte(dsaCertPem)) 996 cert, err := ParseCertificate(pemBlock.Bytes) 997 if err != nil { 998 t.Fatalf("Failed to parse certificate: %s", err) 999 } 1000 // test cert is self-signed 1001 if err = cert.CheckSignatureFrom(cert); err == nil { 1002 t.Fatalf("Expected error verifying DSA certificate") 1003 } 1004 } 1005 1006 var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE----- 1007 MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA 1008 oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC 1009 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1010 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1011 U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC 1012 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN 1013 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD 1014 U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST 1015 8nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl 1016 yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W 1017 PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj 1018 7TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT 1019 UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn 1020 defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK 1021 bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es 1022 yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS 1023 7nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek 1024 tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE 1025 qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV 1026 Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP 1027 fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg 1028 hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC 1029 AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n 1030 li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR 1031 TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3 1032 kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66 1033 U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c 1034 15gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv 1035 C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN 1036 2BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO 1037 FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9 1038 qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2 1039 +f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q== 1040 -----END CERTIFICATE-----` 1041 1042 // openssl req -newkey rsa:2048 -keyout test.key -sha256 -sigopt \ 1043 // rsa_padding_mode:pss -sigopt rsa_pss_saltlen:32 -sigopt rsa_mgf1_md:sha256 \ 1044 // -x509 -days 3650 -nodes -subj '/C=US/ST=CA/L=SF/O=Test/CN=Test' -out \ 1045 // test.pem 1046 var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE----- 1047 MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI 1048 AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV 1049 BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx 1050 DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF 1051 MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK 1052 DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB 1053 CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp 1054 qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj 1055 TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM 1056 +ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0 1057 iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G 1058 RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg 1059 gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw 1060 DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa 1061 MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe 1062 WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s 1063 Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/ 1064 656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6 1065 wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w 1066 Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J 1067 +w9fjQ== 1068 -----END CERTIFICATE-----` 1069 1070 func TestRSAPSSSelfSigned(t *testing.T) { 1071 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} { 1072 der, _ := pem.Decode([]byte(pemBlock)) 1073 if der == nil { 1074 t.Errorf("#%d: failed to find PEM block", i) 1075 continue 1076 } 1077 1078 cert, err := ParseCertificate(der.Bytes) 1079 if err != nil { 1080 t.Errorf("#%d: failed to parse: %s", i, err) 1081 continue 1082 } 1083 1084 if err = cert.CheckSignatureFrom(cert); err != nil { 1085 t.Errorf("#%d: signature check failed: %s", i, err) 1086 continue 1087 } 1088 } 1089 } 1090 1091 const ed25519Certificate = ` 1092 Certificate: 1093 Data: 1094 Version: 3 (0x2) 1095 Serial Number: 1096 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92 1097 Signature Algorithm: ED25519 1098 Issuer: CN = Ed25519 test certificate 1099 Validity 1100 Not Before: May 6 17:27:16 2019 GMT 1101 Not After : Jun 5 17:27:16 2019 GMT 1102 Subject: CN = Ed25519 test certificate 1103 Subject Public Key Info: 1104 Public Key Algorithm: ED25519 1105 ED25519 Public-Key: 1106 pub: 1107 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70: 1108 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a: 1109 3c:fa 1110 X509v3 extensions: 1111 X509v3 Subject Key Identifier: 1112 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1113 X509v3 Authority Key Identifier: 1114 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE 1115 1116 X509v3 Basic Constraints: critical 1117 CA:TRUE 1118 Signature Algorithm: ED25519 1119 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5: 1120 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5: 1121 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc: 1122 60:b9:d4:f4:78:4b:3c:1c:91:00 1123 -----BEGIN CERTIFICATE----- 1124 MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf 1125 BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa 1126 Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp 1127 Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6 1128 o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU 1129 CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT 1130 pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U 1131 GtKoKNxgudT0eEs8HJEA 1132 -----END CERTIFICATE-----` 1133 1134 func TestEd25519SelfSigned(t *testing.T) { 1135 der, _ := pem.Decode([]byte(ed25519Certificate)) 1136 if der == nil { 1137 t.Fatalf("Failed to find PEM block") 1138 } 1139 1140 cert, err := ParseCertificate(der.Bytes) 1141 if err != nil { 1142 t.Fatalf("Failed to parse: %s", err) 1143 } 1144 1145 if cert.PublicKeyAlgorithm != Ed25519 { 1146 t.Fatalf("Parsed key algorithm was not Ed25519") 1147 } 1148 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey) 1149 if !ok { 1150 t.Fatalf("Parsed key was not an Ed25519 key: %s", err) 1151 } 1152 if len(parsedKey) != ed25519.PublicKeySize { 1153 t.Fatalf("Invalid Ed25519 key") 1154 } 1155 1156 if err = cert.CheckSignatureFrom(cert); err != nil { 1157 t.Fatalf("Signature check failed: %s", err) 1158 } 1159 } 1160 1161 const pemCertificate = `-----BEGIN CERTIFICATE----- 1162 MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw 1163 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2 1164 MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 1165 ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4 1166 jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH 1167 qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK 1168 yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB 1169 EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I 1170 5Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF 1171 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC 1172 EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7 1173 X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6 1174 1fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai 1175 /mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy 1176 fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH 1177 KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5 1178 EhLrEqU= 1179 -----END CERTIFICATE-----` 1180 1181 const ed25519CRLCertificate = ` 1182 Certificate: 1183 Data: 1184 Version: 3 (0x2) 1185 Serial Number: 1186 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d 1187 Signature Algorithm: ED25519 1188 Issuer: CN = Ed25519 CRL Test CA 1189 Validity 1190 Not Before: Oct 30 01:20:20 2019 GMT 1191 Not After : Dec 31 23:59:59 9999 GMT 1192 Subject: CN = Ed25519 CRL Test CA 1193 Subject Public Key Info: 1194 Public Key Algorithm: ED25519 1195 ED25519 Public-Key: 1196 pub: 1197 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df: 1198 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f: 1199 75:21 1200 X509v3 extensions: 1201 X509v3 Key Usage: critical 1202 Digital Signature, Certificate Sign, CRL Sign 1203 X509v3 Extended Key Usage: 1204 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing 1205 X509v3 Basic Constraints: critical 1206 CA:TRUE 1207 X509v3 Subject Key Identifier: 1208 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1209 X509v3 Authority Key Identifier: 1210 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60 1211 1212 Signature Algorithm: ED25519 1213 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e: 1214 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5: 1215 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1: 1216 ee:68:76:17:1d:90:cc:92:93:07 1217 -----BEGIN CERTIFICATE----- 1218 MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE 1219 AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz 1220 MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl 1221 cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud 1222 DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF 1223 BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK 1224 gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+ 1225 FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA 1226 9mDH0e5odhcdkMySkwc= 1227 -----END CERTIFICATE-----` 1228 1229 var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY----- 1230 MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG 1231 -----END TEST KEY-----`) 1232 1233 func TestCRLCreation(t *testing.T) { 1234 block, _ := pem.Decode([]byte(pemPrivateKey)) 1235 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes) 1236 block, _ = pem.Decode([]byte(pemCertificate)) 1237 certRSA, _ := ParseCertificate(block.Bytes) 1238 1239 block, _ = pem.Decode([]byte(ed25519CRLKey)) 1240 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes) 1241 block, _ = pem.Decode([]byte(ed25519CRLCertificate)) 1242 certEd25519, _ := ParseCertificate(block.Bytes) 1243 1244 tests := []struct { 1245 name string 1246 priv any 1247 cert *Certificate 1248 }{ 1249 {"RSA CA", privRSA, certRSA}, 1250 {"Ed25519 CA", privEd25519, certEd25519}, 1251 } 1252 1253 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds())) 1254 1255 now := time.Unix(1000, 0).In(loc) 1256 nowUTC := now.UTC() 1257 expiry := time.Unix(10000, 0) 1258 1259 revokedCerts := []pkix.RevokedCertificate{ 1260 { 1261 SerialNumber: big.NewInt(1), 1262 RevocationTime: nowUTC, 1263 }, 1264 { 1265 SerialNumber: big.NewInt(42), 1266 // RevocationTime should be converted to UTC before marshaling. 1267 RevocationTime: now, 1268 }, 1269 } 1270 expectedCerts := []pkix.RevokedCertificate{ 1271 { 1272 SerialNumber: big.NewInt(1), 1273 RevocationTime: nowUTC, 1274 }, 1275 { 1276 SerialNumber: big.NewInt(42), 1277 RevocationTime: nowUTC, 1278 }, 1279 } 1280 1281 for _, test := range tests { 1282 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry) 1283 if err != nil { 1284 t.Errorf("%s: error creating CRL: %s", test.name, err) 1285 } 1286 1287 parsedCRL, err := ParseDERCRL(crlBytes) 1288 if err != nil { 1289 t.Errorf("%s: error reparsing CRL: %s", test.name, err) 1290 } 1291 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) { 1292 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name, 1293 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) 1294 } 1295 } 1296 } 1297 1298 func fromBase64(in string) []byte { 1299 out := make([]byte, base64.StdEncoding.DecodedLen(len(in))) 1300 n, err := base64.StdEncoding.Decode(out, []byte(in)) 1301 if err != nil { 1302 panic("failed to base64 decode") 1303 } 1304 return out[:n] 1305 } 1306 1307 func TestParseDERCRL(t *testing.T) { 1308 derBytes := fromBase64(derCRLBase64) 1309 certList, err := ParseDERCRL(derBytes) 1310 if err != nil { 1311 t.Errorf("error parsing: %s", err) 1312 return 1313 } 1314 numCerts := len(certList.TBSCertList.RevokedCertificates) 1315 expected := 88 1316 if numCerts != expected { 1317 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1318 } 1319 1320 if certList.HasExpired(time.Unix(1302517272, 0)) { 1321 t.Errorf("CRL has expired (but shouldn't have)") 1322 } 1323 1324 // Can't check the signature here without a package cycle. 1325 } 1326 1327 func TestCRLWithoutExpiry(t *testing.T) { 1328 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh") 1329 certList, err := ParseDERCRL(derBytes) 1330 if err != nil { 1331 t.Fatal(err) 1332 } 1333 if !certList.TBSCertList.NextUpdate.IsZero() { 1334 t.Errorf("NextUpdate is not the zero value") 1335 } 1336 } 1337 1338 func TestParsePEMCRL(t *testing.T) { 1339 pemBytes := fromBase64(pemCRLBase64) 1340 certList, err := ParseCRL(pemBytes) 1341 if err != nil { 1342 t.Errorf("error parsing: %s", err) 1343 return 1344 } 1345 numCerts := len(certList.TBSCertList.RevokedCertificates) 1346 expected := 2 1347 if numCerts != expected { 1348 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 1349 } 1350 1351 if certList.HasExpired(time.Unix(1302517272, 0)) { 1352 t.Errorf("CRL has expired (but shouldn't have)") 1353 } 1354 1355 // Can't check the signature here without a package cycle. 1356 } 1357 1358 func TestImports(t *testing.T) { 1359 if testing.Short() { 1360 t.Skip("skipping in -short mode") 1361 } 1362 testenv.MustHaveGoRun(t) 1363 1364 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil { 1365 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out) 1366 } 1367 } 1368 1369 const derCRLBase64 = "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" 1370 1371 const pemCRLBase64 = "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" 1372 1373 func TestCreateCertificateRequest(t *testing.T) { 1374 random := rand.Reader 1375 1376 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 1377 if err != nil { 1378 t.Fatalf("Failed to generate ECDSA key: %s", err) 1379 } 1380 1381 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader) 1382 if err != nil { 1383 t.Fatalf("Failed to generate ECDSA key: %s", err) 1384 } 1385 1386 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader) 1387 if err != nil { 1388 t.Fatalf("Failed to generate ECDSA key: %s", err) 1389 } 1390 1391 _, ed25519Priv, err := ed25519.GenerateKey(random) 1392 if err != nil { 1393 t.Fatalf("Failed to generate Ed25519 key: %s", err) 1394 } 1395 1396 tests := []struct { 1397 name string 1398 priv any 1399 sigAlgo SignatureAlgorithm 1400 }{ 1401 {"RSA", testPrivateKey, SHA256WithRSA}, 1402 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256}, 1403 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256}, 1404 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256}, 1405 {"Ed25519", ed25519Priv, PureEd25519}, 1406 } 1407 1408 for _, test := range tests { 1409 template := CertificateRequest{ 1410 Subject: pkix.Name{ 1411 CommonName: "test.example.com", 1412 Organization: []string{"Σ Acme Co"}, 1413 }, 1414 SignatureAlgorithm: test.sigAlgo, 1415 DNSNames: []string{"test.example.com"}, 1416 EmailAddresses: []string{"gopher@golang.org"}, 1417 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")}, 1418 } 1419 1420 derBytes, err := CreateCertificateRequest(random, &template, test.priv) 1421 if err != nil { 1422 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1423 continue 1424 } 1425 1426 out, err := ParseCertificateRequest(derBytes) 1427 if err != nil { 1428 t.Errorf("%s: failed to create certificate request: %s", test.name, err) 1429 continue 1430 } 1431 1432 err = out.CheckSignature() 1433 if err != nil { 1434 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err) 1435 continue 1436 } 1437 1438 if out.Subject.CommonName != template.Subject.CommonName { 1439 t.Errorf("%s: output subject common name and template subject common name don't match", test.name) 1440 } else if len(out.Subject.Organization) != len(template.Subject.Organization) { 1441 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name) 1442 } else if len(out.DNSNames) != len(template.DNSNames) { 1443 t.Errorf("%s: output DNS names and template DNS names don't match", test.name) 1444 } else if len(out.EmailAddresses) != len(template.EmailAddresses) { 1445 t.Errorf("%s: output email addresses and template email addresses don't match", test.name) 1446 } else if len(out.IPAddresses) != len(template.IPAddresses) { 1447 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name) 1448 } 1449 } 1450 } 1451 1452 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest { 1453 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey) 1454 if err != nil { 1455 t.Fatal(err) 1456 } 1457 1458 csr, err := ParseCertificateRequest(derBytes) 1459 if err != nil { 1460 t.Fatal(err) 1461 } 1462 1463 return csr 1464 } 1465 1466 func TestCertificateRequestOverrides(t *testing.T) { 1467 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil) 1468 if err != nil { 1469 t.Fatal(err) 1470 } 1471 1472 template := CertificateRequest{ 1473 Subject: pkix.Name{ 1474 CommonName: "test.example.com", 1475 Organization: []string{"Σ Acme Co"}, 1476 }, 1477 DNSNames: []string{"test.example.com"}, 1478 1479 // An explicit extension should override the DNSNames from the 1480 // template. 1481 ExtraExtensions: []pkix.Extension{ 1482 { 1483 Id: oidExtensionSubjectAltName, 1484 Value: sanContents, 1485 Critical: true, 1486 }, 1487 }, 1488 } 1489 1490 csr := marshalAndParseCSR(t, &template) 1491 1492 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" { 1493 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames) 1494 } 1495 1496 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical { 1497 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions) 1498 } 1499 1500 // If there is already an attribute with X.509 extensions then the 1501 // extra extensions should be added to it rather than creating a CSR 1502 // with two extension attributes. 1503 1504 template.Attributes = []pkix.AttributeTypeAndValueSET{ 1505 { 1506 Type: oidExtensionRequest, 1507 Value: [][]pkix.AttributeTypeAndValue{ 1508 { 1509 { 1510 Type: oidExtensionAuthorityInfoAccess, 1511 Value: []byte("foo"), 1512 }, 1513 }, 1514 }, 1515 }, 1516 } 1517 1518 csr = marshalAndParseCSR(t, &template) 1519 if l := len(csr.Attributes); l != 1 { 1520 t.Errorf("incorrect number of attributes: %d\n", l) 1521 } 1522 1523 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) || 1524 len(csr.Attributes[0].Value) != 1 || 1525 len(csr.Attributes[0].Value[0]) != 2 { 1526 t.Errorf("bad attributes: %#v\n", csr.Attributes) 1527 } 1528 1529 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil) 1530 if err != nil { 1531 t.Fatal(err) 1532 } 1533 1534 // Extensions in Attributes should override those in ExtraExtensions. 1535 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{ 1536 Type: oidExtensionSubjectAltName, 1537 Value: sanContents2, 1538 }) 1539 1540 csr = marshalAndParseCSR(t, &template) 1541 1542 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" { 1543 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames) 1544 } 1545 } 1546 1547 func TestParseCertificateRequest(t *testing.T) { 1548 for _, csrBase64 := range csrBase64Array { 1549 csrBytes := fromBase64(csrBase64) 1550 csr, err := ParseCertificateRequest(csrBytes) 1551 if err != nil { 1552 t.Fatalf("failed to parse CSR: %s", err) 1553 } 1554 1555 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" { 1556 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses) 1557 } 1558 1559 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" { 1560 t.Errorf("incorrect DNS names found: %v", csr.DNSNames) 1561 } 1562 1563 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" { 1564 t.Errorf("incorrect Subject name: %v", csr.Subject) 1565 } 1566 1567 found := false 1568 for _, e := range csr.Extensions { 1569 if e.Id.Equal(oidExtensionBasicConstraints) { 1570 found = true 1571 break 1572 } 1573 } 1574 if !found { 1575 t.Errorf("basic constraints extension not found in CSR") 1576 } 1577 } 1578 } 1579 1580 func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) { 1581 // This CSR contains an extension request where the extensions have a 1582 // critical flag in them. In the past we failed to handle this. 1583 const csrBase64 = "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" 1584 1585 csrBytes := fromBase64(csrBase64) 1586 csr, err := ParseCertificateRequest(csrBytes) 1587 if err != nil { 1588 t.Fatalf("failed to parse CSR: %s", err) 1589 } 1590 1591 expected := []struct { 1592 Id asn1.ObjectIdentifier 1593 Value []byte 1594 }{ 1595 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")}, 1596 {oidExtensionKeyUsage, fromBase64("AwIChA==")}, 1597 } 1598 1599 if n := len(csr.Extensions); n != len(expected) { 1600 t.Fatalf("expected to find %d extensions but found %d", len(expected), n) 1601 } 1602 1603 for i, extension := range csr.Extensions { 1604 if !extension.Id.Equal(expected[i].Id) { 1605 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id) 1606 } 1607 1608 if !bytes.Equal(extension.Value, expected[i].Value) { 1609 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value) 1610 } 1611 } 1612 } 1613 1614 // serialiseAndParse generates a self-signed certificate from template and 1615 // returns a parsed version of it. 1616 func serialiseAndParse(t *testing.T, template *Certificate) *Certificate { 1617 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey) 1618 if err != nil { 1619 t.Fatalf("failed to create certificate: %s", err) 1620 return nil 1621 } 1622 1623 cert, err := ParseCertificate(derBytes) 1624 if err != nil { 1625 t.Fatalf("failed to parse certificate: %s", err) 1626 return nil 1627 } 1628 1629 return cert 1630 } 1631 1632 func TestMaxPathLenNotCA(t *testing.T) { 1633 template := &Certificate{ 1634 SerialNumber: big.NewInt(1), 1635 Subject: pkix.Name{ 1636 CommonName: "Σ Acme Co", 1637 }, 1638 NotBefore: time.Unix(1000, 0), 1639 NotAfter: time.Unix(100000, 0), 1640 1641 BasicConstraintsValid: true, 1642 IsCA: false, 1643 } 1644 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 { 1645 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m) 1646 } 1647 1648 template.MaxPathLen = -1 1649 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 { 1650 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m) 1651 } 1652 1653 template.MaxPathLen = 5 1654 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil { 1655 t.Error("specifying a MaxPathLen when IsCA is false should fail") 1656 } 1657 1658 template.MaxPathLen = 0 1659 template.MaxPathLenZero = true 1660 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil { 1661 t.Error("setting MaxPathLenZero when IsCA is false should fail") 1662 } 1663 1664 template.BasicConstraintsValid = false 1665 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 { 1666 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m) 1667 } 1668 } 1669 1670 func TestMaxPathLen(t *testing.T) { 1671 template := &Certificate{ 1672 SerialNumber: big.NewInt(1), 1673 Subject: pkix.Name{ 1674 CommonName: "Σ Acme Co", 1675 }, 1676 NotBefore: time.Unix(1000, 0), 1677 NotAfter: time.Unix(100000, 0), 1678 1679 BasicConstraintsValid: true, 1680 IsCA: true, 1681 } 1682 1683 cert1 := serialiseAndParse(t, template) 1684 if m := cert1.MaxPathLen; m != -1 { 1685 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m) 1686 } 1687 if cert1.MaxPathLenZero { 1688 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero") 1689 } 1690 1691 template.MaxPathLen = 1 1692 cert2 := serialiseAndParse(t, template) 1693 if m := cert2.MaxPathLen; m != 1 { 1694 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m) 1695 } 1696 if cert2.MaxPathLenZero { 1697 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero") 1698 } 1699 1700 template.MaxPathLen = 0 1701 template.MaxPathLenZero = true 1702 cert3 := serialiseAndParse(t, template) 1703 if m := cert3.MaxPathLen; m != 0 { 1704 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m) 1705 } 1706 if !cert3.MaxPathLenZero { 1707 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero") 1708 } 1709 } 1710 1711 func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) { 1712 template := &Certificate{ 1713 SerialNumber: big.NewInt(1), 1714 Subject: pkix.Name{ 1715 CommonName: "Σ Acme Co", 1716 }, 1717 NotBefore: time.Unix(1000, 0), 1718 NotAfter: time.Unix(100000, 0), 1719 1720 BasicConstraintsValid: true, 1721 IsCA: true, 1722 SubjectKeyId: []byte{1, 2, 3, 4}, 1723 } 1724 1725 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 { 1726 t.Fatalf("self-signed certificate contained default authority key id") 1727 } 1728 1729 template.AuthorityKeyId = []byte{1, 2, 3, 4} 1730 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 { 1731 t.Fatalf("self-signed certificate erased explicit authority key id") 1732 } 1733 } 1734 1735 func TestNoSubjectKeyIdInCert(t *testing.T) { 1736 template := &Certificate{ 1737 SerialNumber: big.NewInt(1), 1738 Subject: pkix.Name{ 1739 CommonName: "Σ Acme Co", 1740 }, 1741 NotBefore: time.Unix(1000, 0), 1742 NotAfter: time.Unix(100000, 0), 1743 1744 BasicConstraintsValid: true, 1745 IsCA: true, 1746 } 1747 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 { 1748 t.Fatalf("self-signed certificate did not generate subject key id using the public key") 1749 } 1750 1751 template.IsCA = false 1752 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 { 1753 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA") 1754 } 1755 1756 template.SubjectKeyId = []byte{1, 2, 3, 4} 1757 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 { 1758 t.Fatalf("self-signed certificate erased explicit subject key id") 1759 } 1760 } 1761 1762 func TestASN1BitLength(t *testing.T) { 1763 tests := []struct { 1764 bytes []byte 1765 bitLen int 1766 }{ 1767 {nil, 0}, 1768 {[]byte{0x00}, 0}, 1769 {[]byte{0x00, 0x00}, 0}, 1770 {[]byte{0xf0}, 4}, 1771 {[]byte{0x88}, 5}, 1772 {[]byte{0xff}, 8}, 1773 {[]byte{0xff, 0x80}, 9}, 1774 {[]byte{0xff, 0x81}, 16}, 1775 } 1776 1777 for i, test := range tests { 1778 if got := asn1BitLength(test.bytes); got != test.bitLen { 1779 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen) 1780 } 1781 } 1782 } 1783 1784 func TestVerifyEmptyCertificate(t *testing.T) { 1785 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed { 1786 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed) 1787 } 1788 } 1789 1790 func TestInsecureAlgorithmErrorString(t *testing.T) { 1791 tests := []struct { 1792 sa SignatureAlgorithm 1793 want string 1794 }{ 1795 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"}, 1796 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA (temporarily override with GODEBUG=x509sha1=1)"}, 1797 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1 (temporarily override with GODEBUG=x509sha1=1)"}, 1798 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm MD2-RSA"}, 1799 {-1, "x509: cannot verify signature: insecure algorithm -1"}, 1800 {0, "x509: cannot verify signature: insecure algorithm 0"}, 1801 {9999, "x509: cannot verify signature: insecure algorithm 9999"}, 1802 } 1803 for i, tt := range tests { 1804 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want { 1805 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want) 1806 } 1807 } 1808 } 1809 1810 // These CSR was generated with OpenSSL: 1811 // 1812 // openssl req -out CSR.csr -new -sha256 -nodes -keyout privateKey.key -config openssl.cnf 1813 // 1814 // With openssl.cnf containing the following sections: 1815 // 1816 // [ v3_req ] 1817 // basicConstraints = CA:FALSE 1818 // keyUsage = nonRepudiation, digitalSignature, keyEncipherment 1819 // subjectAltName = email:gopher@golang.org,DNS:test.example.com 1820 // [ req_attributes ] 1821 // challengePassword = ignored challenge 1822 // unstructuredName = ignored unstructured name 1823 var csrBase64Array = [...]string{ 1824 // Just [ v3_req ] 1825 "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", 1826 // Both [ v3_req ] and [ req_attributes ] 1827 "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", 1828 } 1829 1830 var md5cert = ` 1831 -----BEGIN CERTIFICATE----- 1832 MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB 1833 VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx 1834 MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE 1835 CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB 1836 BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf 1837 Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs 1838 cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB 1839 AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY 1840 cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw 1841 GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa 1842 qViorq4= 1843 -----END CERTIFICATE----- 1844 ` 1845 1846 func TestMD5(t *testing.T) { 1847 pemBlock, _ := pem.Decode([]byte(md5cert)) 1848 cert, err := ParseCertificate(pemBlock.Bytes) 1849 if err != nil { 1850 t.Fatalf("failed to parse certificate: %s", err) 1851 } 1852 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA { 1853 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA) 1854 } 1855 if err = cert.CheckSignatureFrom(cert); err == nil { 1856 t.Fatalf("certificate verification succeeded incorrectly") 1857 } 1858 if _, ok := err.(InsecureAlgorithmError); !ok { 1859 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1860 } 1861 } 1862 1863 func TestSHA1(t *testing.T) { 1864 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem)) 1865 cert, err := ParseCertificate(pemBlock.Bytes) 1866 if err != nil { 1867 t.Fatalf("failed to parse certificate: %s", err) 1868 } 1869 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 { 1870 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1) 1871 } 1872 if err = cert.CheckSignatureFrom(cert); err == nil { 1873 t.Fatalf("certificate verification succeeded incorrectly") 1874 } 1875 if _, ok := err.(InsecureAlgorithmError); !ok { 1876 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err) 1877 } 1878 1879 defer func(old bool) { debugAllowSHA1 = old }(debugAllowSHA1) 1880 debugAllowSHA1 = true 1881 1882 if err = cert.CheckSignatureFrom(cert); err != nil { 1883 t.Fatalf("SHA-1 certificate did not verify with GODEBUG=x509sha1=1: %v", err) 1884 } 1885 } 1886 1887 // certMissingRSANULL contains an RSA public key where the AlgorithmIdentifier 1888 // parameters are omitted rather than being an ASN.1 NULL. 1889 const certMissingRSANULL = ` 1890 -----BEGIN CERTIFICATE----- 1891 MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD 1892 bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4 1893 MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc 1894 MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG 1895 hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE 1896 ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e 1897 E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw 1898 DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A 1899 p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4 1900 hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE 1901 GFGNEH5PlGffo05wc46QkYU= 1902 -----END CERTIFICATE-----` 1903 1904 func TestRSAMissingNULLParameters(t *testing.T) { 1905 block, _ := pem.Decode([]byte(certMissingRSANULL)) 1906 if _, err := ParseCertificate(block.Bytes); err == nil { 1907 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter") 1908 } else if !strings.Contains(err.Error(), "missing NULL") { 1909 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err) 1910 } 1911 } 1912 1913 const certISOOID = ` 1914 -----BEGIN CERTIFICATE----- 1915 MIIB5TCCAVKgAwIBAgIQtwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN 1916 BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx 1917 DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH 1918 GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86 1919 BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw 1920 5O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw 1921 OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW 1922 V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE 1923 J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2 1924 NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu 1925 MCRtdSdaM7g3 1926 -----END CERTIFICATE-----` 1927 1928 func TestISOOIDInCertificate(t *testing.T) { 1929 block, _ := pem.Decode([]byte(certISOOID)) 1930 if cert, err := ParseCertificate(block.Bytes); err != nil { 1931 t.Errorf("certificate with ISO OID failed to parse: %s", err) 1932 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm { 1933 t.Errorf("ISO OID not recognised in certificate") 1934 } 1935 } 1936 1937 // certMultipleRDN contains a RelativeDistinguishedName with two elements (the 1938 // common name and serial number). This particular certificate was the first 1939 // such certificate in the “Pilot” Certificate Transparency log. 1940 const certMultipleRDN = ` 1941 -----BEGIN CERTIFICATE----- 1942 MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz 1943 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j 1944 YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz 1945 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy 1946 dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw 1947 MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB 1948 BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM 1949 098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf 1950 HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv 1951 oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI 1952 zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/ 1953 y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G 1954 A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF 1955 BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw 1956 b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE 1957 BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln 1958 b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu 1959 c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp 1960 Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292 1961 LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda 1962 gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY 1963 PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ 1964 KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y 1965 BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5 1966 ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9 1967 9C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R 1968 uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd 1969 La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF 1970 DF72IUofoVt7wo0= 1971 -----END CERTIFICATE-----` 1972 1973 func TestMultipleRDN(t *testing.T) { 1974 block, _ := pem.Decode([]byte(certMultipleRDN)) 1975 cert, err := ParseCertificate(block.Bytes) 1976 if err != nil { 1977 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err) 1978 } 1979 1980 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want { 1981 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want) 1982 } 1983 1984 if want := "1236484010010"; cert.Subject.SerialNumber != want { 1985 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want) 1986 } 1987 } 1988 1989 func TestSystemCertPool(t *testing.T) { 1990 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" { 1991 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)") 1992 } 1993 a, err := SystemCertPool() 1994 if err != nil { 1995 t.Fatal(err) 1996 } 1997 b, err := SystemCertPool() 1998 if err != nil { 1999 t.Fatal(err) 2000 } 2001 if !certPoolEqual(a, b) { 2002 t.Fatal("two calls to SystemCertPool had different results") 2003 } 2004 if ok := b.AppendCertsFromPEM([]byte(` 2005 -----BEGIN CERTIFICATE----- 2006 MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw 2007 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2 2008 MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 2009 ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf 2010 cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD 2011 yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM 2012 jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01 2013 IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl 2014 VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF 2015 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC 2016 FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR 2017 BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs 2018 1cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub 2019 YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI 2020 gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq 2021 N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6 2022 pa/O1nF0AfWOpw== 2023 -----END CERTIFICATE----- 2024 `)); !ok { 2025 t.Fatal("AppendCertsFromPEM failed") 2026 } 2027 if reflect.DeepEqual(a, b) { 2028 t.Fatal("changing one pool modified the other") 2029 } 2030 } 2031 2032 const emptyNameConstraintsPEM = ` 2033 -----BEGIN CERTIFICATE----- 2034 MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2035 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2036 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2037 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2038 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2039 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2040 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2041 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2042 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2043 AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH 2044 QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb 2045 6L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H 2046 v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M 2047 LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga 2048 nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8 2049 o+WoY6IsCKXV/g== 2050 -----END CERTIFICATE-----` 2051 2052 func TestEmptyNameConstraints(t *testing.T) { 2053 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM)) 2054 _, err := ParseCertificate(block.Bytes) 2055 if err == nil { 2056 t.Fatal("unexpected success") 2057 } 2058 2059 const expected = "empty name constraints" 2060 if str := err.Error(); !strings.Contains(str, expected) { 2061 t.Errorf("expected %q in error but got %q", expected, str) 2062 } 2063 } 2064 2065 func TestPKIXNameString(t *testing.T) { 2066 der, err := base64.StdEncoding.DecodeString(certBytes) 2067 if err != nil { 2068 t.Fatal(err) 2069 } 2070 certs, err := ParseCertificates(der) 2071 if err != nil { 2072 t.Fatal(err) 2073 } 2074 2075 // Check that parsed non-standard attributes are printed. 2076 rdns := pkix.Name{ 2077 Locality: []string{"Gophertown"}, 2078 ExtraNames: []pkix.AttributeTypeAndValue{ 2079 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2080 }.ToRDNSequence() 2081 nn := pkix.Name{} 2082 nn.FillFromRDNSequence(&rdns) 2083 2084 // Check that zero-length non-nil ExtraNames hide Names. 2085 extra := []pkix.AttributeTypeAndValue{ 2086 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}} 2087 extraNotNil := pkix.Name{ 2088 Locality: []string{"Gophertown"}, 2089 ExtraNames: extra[:0], 2090 Names: []pkix.AttributeTypeAndValue{ 2091 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2092 } 2093 2094 tests := []struct { 2095 dn pkix.Name 2096 want string 2097 }{ 2098 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"}, 2099 {extraNotNil, "L=Gophertown"}, 2100 {pkix.Name{ 2101 CommonName: "Steve Kille", 2102 Organization: []string{"Isode Limited"}, 2103 OrganizationalUnit: []string{"RFCs"}, 2104 Locality: []string{"Richmond"}, 2105 Province: []string{"Surrey"}, 2106 StreetAddress: []string{"The Square"}, 2107 PostalCode: []string{"TW9 1DT"}, 2108 SerialNumber: "RFC 2253", 2109 Country: []string{"GB"}, 2110 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"}, 2111 {certs[0].Subject, 2112 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"}, 2113 {pkix.Name{ 2114 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "}, 2115 Country: []string{"US"}, 2116 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"}, 2117 {pkix.Name{ 2118 CommonName: "foo.com", 2119 Organization: []string{"Gopher Industries"}, 2120 ExtraNames: []pkix.AttributeTypeAndValue{ 2121 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}}, 2122 }, "CN=bar.com,O=Gopher Industries"}, 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 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2128 // If there are no ExtraNames, the Names are printed instead. 2129 {pkix.Name{ 2130 Locality: []string{"Gophertown"}, 2131 Names: []pkix.AttributeTypeAndValue{ 2132 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2133 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"}, 2134 // If there are both, print only the ExtraNames. 2135 {pkix.Name{ 2136 Locality: []string{"Gophertown"}, 2137 ExtraNames: []pkix.AttributeTypeAndValue{ 2138 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}}, 2139 Names: []pkix.AttributeTypeAndValue{ 2140 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}}, 2141 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"}, 2142 } 2143 2144 for i, test := range tests { 2145 if got := test.dn.String(); got != test.want { 2146 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2147 } 2148 } 2149 2150 if extra[0].Value != "backing array" { 2151 t.Errorf("the backing array of an empty ExtraNames got modified by String") 2152 } 2153 } 2154 2155 func TestRDNSequenceString(t *testing.T) { 2156 // Test some extra cases that get lost in pkix.Name conversions such as 2157 // multi-valued attributes. 2158 2159 var ( 2160 oidCountry = []int{2, 5, 4, 6} 2161 oidOrganization = []int{2, 5, 4, 10} 2162 oidOrganizationalUnit = []int{2, 5, 4, 11} 2163 oidCommonName = []int{2, 5, 4, 3} 2164 ) 2165 2166 tests := []struct { 2167 seq pkix.RDNSequence 2168 want string 2169 }{ 2170 { 2171 seq: pkix.RDNSequence{ 2172 pkix.RelativeDistinguishedNameSET{ 2173 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"}, 2174 }, 2175 pkix.RelativeDistinguishedNameSET{ 2176 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."}, 2177 }, 2178 pkix.RelativeDistinguishedNameSET{ 2179 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"}, 2180 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"}, 2181 }, 2182 }, 2183 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US", 2184 }, 2185 } 2186 2187 for i, test := range tests { 2188 if got := test.seq.String(); got != test.want { 2189 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want) 2190 } 2191 } 2192 } 2193 2194 const criticalNameConstraintWithUnknownTypePEM = ` 2195 -----BEGIN CERTIFICATE----- 2196 MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w 2197 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw 2198 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB 2199 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD 2200 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx 2201 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq 2202 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0 2203 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD 2204 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID 2205 AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A 2206 AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy 2207 im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ 2208 Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl 2209 eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA 2210 /drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO 2211 ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV 2212 /g== 2213 -----END CERTIFICATE-----` 2214 2215 func TestCriticalNameConstraintWithUnknownType(t *testing.T) { 2216 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM)) 2217 cert, err := ParseCertificate(block.Bytes) 2218 if err != nil { 2219 t.Fatalf("unexpected parsing failure: %s", err) 2220 } 2221 2222 if l := len(cert.UnhandledCriticalExtensions); l != 1 { 2223 t.Fatalf("expected one unhandled critical extension, but found %d", l) 2224 } 2225 } 2226 2227 const badIPMaskPEM = ` 2228 -----BEGIN CERTIFICATE----- 2229 MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk 2230 IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow 2231 FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 2232 ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+ 2233 8DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj 2234 cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn 2235 cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j 2236 TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa 2237 OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg 2238 DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B 2239 IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV 2240 EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7 2241 VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh 2242 E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a 2243 Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI 2244 pdX+ 2245 -----END CERTIFICATE-----` 2246 2247 func TestBadIPMask(t *testing.T) { 2248 block, _ := pem.Decode([]byte(badIPMaskPEM)) 2249 _, err := ParseCertificate(block.Bytes) 2250 if err == nil { 2251 t.Fatalf("unexpected success") 2252 } 2253 2254 const expected = "contained invalid mask" 2255 if !strings.Contains(err.Error(), expected) { 2256 t.Fatalf("expected %q in error but got: %s", expected, err) 2257 } 2258 } 2259 2260 const additionalGeneralSubtreePEM = ` 2261 -----BEGIN CERTIFICATE----- 2262 MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw 2263 bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2264 MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg 2265 QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow 2266 bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT 2267 GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC 2268 cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW 2269 4kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M 2270 8FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD 2271 dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs 2272 Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/ 2273 rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG 2274 Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr 2275 BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w 2276 N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw 2277 AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs 2278 aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK 2279 YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl 2280 Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH 2281 AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv 2282 MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k 2283 ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw 2284 LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll 2285 gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE 2286 EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB 2287 AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA 2288 A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng 2289 5YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB 2290 dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn 2291 6OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6 2292 8vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE 2293 u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW 2294 i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc 2295 fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo 2296 QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq 2297 nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD 2298 xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw== 2299 -----END CERTIFICATE-----` 2300 2301 func TestAdditionFieldsInGeneralSubtree(t *testing.T) { 2302 // Very rarely, certificates can include additional fields in the 2303 // GeneralSubtree structure. This tests that such certificates can be 2304 // parsed. 2305 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM)) 2306 if _, err := ParseCertificate(block.Bytes); err != nil { 2307 t.Fatalf("failed to parse certificate: %s", err) 2308 } 2309 } 2310 2311 func TestEmptySubject(t *testing.T) { 2312 template := Certificate{ 2313 SerialNumber: big.NewInt(1), 2314 DNSNames: []string{"example.com"}, 2315 } 2316 2317 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey) 2318 if err != nil { 2319 t.Fatalf("failed to create certificate: %s", err) 2320 } 2321 2322 cert, err := ParseCertificate(derBytes) 2323 if err != nil { 2324 t.Fatalf("failed to parse certificate: %s", err) 2325 } 2326 2327 for _, ext := range cert.Extensions { 2328 if ext.Id.Equal(oidExtensionSubjectAltName) { 2329 if !ext.Critical { 2330 t.Fatal("SAN extension is not critical") 2331 } 2332 return 2333 } 2334 } 2335 2336 t.Fatal("SAN extension is missing") 2337 } 2338 2339 // multipleURLsInCRLDPPEM contains two URLs in a single CRL DistributionPoint 2340 // structure. It is taken from https://crt.sh/?id=12721534. 2341 const multipleURLsInCRLDPPEM = ` 2342 -----BEGIN CERTIFICATE----- 2343 MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB 2344 8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy 2345 dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1 2346 YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3 2347 dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh 2348 IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD 2349 LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG 2350 EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg 2351 Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj 2352 YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA 2353 A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y 2354 TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak 2355 YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL 2356 Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW 2357 jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ 2358 OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV 2359 HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI 2360 oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w 2361 gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93 2362 d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1 2363 ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg 2364 YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h 2365 b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF 2366 BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn 2367 aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v 2368 ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA 2369 A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL 2370 PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex 2371 3Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu 2372 labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6 2373 oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+ 2374 eVxXDTCfs7GUlxnjOp5j559X/N0A 2375 -----END CERTIFICATE----- 2376 ` 2377 2378 func TestMultipleURLsInCRLDP(t *testing.T) { 2379 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM)) 2380 cert, err := ParseCertificate(block.Bytes) 2381 if err != nil { 2382 t.Fatalf("failed to parse certificate: %s", err) 2383 } 2384 2385 want := []string{ 2386 "http://epscd.catcert.net/crl/ec-acc.crl", 2387 "http://epscd2.catcert.net/crl/ec-acc.crl", 2388 } 2389 if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) { 2390 t.Errorf("CRL distribution points = %#v, want #%v", got, want) 2391 } 2392 } 2393 2394 const hexPKCS1TestPKCS8Key = "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" 2395 const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50" 2396 2397 var pkcs1MismatchKeyTests = []struct { 2398 hexKey string 2399 errorContains string 2400 }{ 2401 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"}, 2402 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"}, 2403 } 2404 2405 func TestPKCS1MismatchKeyFormat(t *testing.T) { 2406 for i, test := range pkcs1MismatchKeyTests { 2407 derBytes, _ := hex.DecodeString(test.hexKey) 2408 _, err := ParsePKCS1PrivateKey(derBytes) 2409 if !strings.Contains(err.Error(), test.errorContains) { 2410 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err) 2411 } 2412 } 2413 } 2414 2415 func TestCreateRevocationList(t *testing.T) { 2416 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2417 if err != nil { 2418 t.Fatalf("Failed to generate ECDSA P256 key: %s", err) 2419 } 2420 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader) 2421 if err != nil { 2422 t.Fatalf("Failed to generate Ed25519 key: %s", err) 2423 } 2424 tests := []struct { 2425 name string 2426 key crypto.Signer 2427 issuer *Certificate 2428 template *RevocationList 2429 expectedError string 2430 }{ 2431 { 2432 name: "nil template", 2433 key: ec256Priv, 2434 issuer: nil, 2435 template: nil, 2436 expectedError: "x509: template can not be nil", 2437 }, 2438 { 2439 name: "nil issuer", 2440 key: ec256Priv, 2441 issuer: nil, 2442 template: &RevocationList{}, 2443 expectedError: "x509: issuer can not be nil", 2444 }, 2445 { 2446 name: "issuer doesn't have crlSign key usage bit set", 2447 key: ec256Priv, 2448 issuer: &Certificate{ 2449 KeyUsage: KeyUsageCertSign, 2450 }, 2451 template: &RevocationList{}, 2452 expectedError: "x509: issuer must have the crlSign key usage bit set", 2453 }, 2454 { 2455 name: "issuer missing SubjectKeyId", 2456 key: ec256Priv, 2457 issuer: &Certificate{ 2458 KeyUsage: KeyUsageCRLSign, 2459 }, 2460 template: &RevocationList{}, 2461 expectedError: "x509: issuer certificate doesn't contain a subject key identifier", 2462 }, 2463 { 2464 name: "nextUpdate before thisUpdate", 2465 key: ec256Priv, 2466 issuer: &Certificate{ 2467 KeyUsage: KeyUsageCRLSign, 2468 Subject: pkix.Name{ 2469 CommonName: "testing", 2470 }, 2471 SubjectKeyId: []byte{1, 2, 3}, 2472 }, 2473 template: &RevocationList{ 2474 ThisUpdate: time.Time{}.Add(time.Hour), 2475 NextUpdate: time.Time{}, 2476 }, 2477 expectedError: "x509: template.ThisUpdate is after template.NextUpdate", 2478 }, 2479 { 2480 name: "nil Number", 2481 key: ec256Priv, 2482 issuer: &Certificate{ 2483 KeyUsage: KeyUsageCRLSign, 2484 Subject: pkix.Name{ 2485 CommonName: "testing", 2486 }, 2487 SubjectKeyId: []byte{1, 2, 3}, 2488 }, 2489 template: &RevocationList{ 2490 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2491 NextUpdate: time.Time{}.Add(time.Hour * 48), 2492 }, 2493 expectedError: "x509: template contains nil Number field", 2494 }, 2495 { 2496 name: "long Number", 2497 key: ec256Priv, 2498 issuer: &Certificate{ 2499 KeyUsage: KeyUsageCRLSign, 2500 Subject: pkix.Name{ 2501 CommonName: "testing", 2502 }, 2503 SubjectKeyId: []byte{1, 2, 3}, 2504 }, 2505 template: &RevocationList{ 2506 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2507 NextUpdate: time.Time{}.Add(time.Hour * 48), 2508 Number: big.NewInt(0).SetBytes(append([]byte{1}, make([]byte, 20)...)), 2509 }, 2510 expectedError: "x509: CRL number exceeds 20 octets", 2511 }, 2512 { 2513 name: "long Number (20 bytes, MSB set)", 2514 key: ec256Priv, 2515 issuer: &Certificate{ 2516 KeyUsage: KeyUsageCRLSign, 2517 Subject: pkix.Name{ 2518 CommonName: "testing", 2519 }, 2520 SubjectKeyId: []byte{1, 2, 3}, 2521 }, 2522 template: &RevocationList{ 2523 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2524 NextUpdate: time.Time{}.Add(time.Hour * 48), 2525 Number: big.NewInt(0).SetBytes(append([]byte{255}, make([]byte, 19)...)), 2526 }, 2527 expectedError: "x509: CRL number exceeds 20 octets", 2528 }, 2529 { 2530 name: "invalid signature algorithm", 2531 key: ec256Priv, 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 SignatureAlgorithm: SHA256WithRSA, 2541 RevokedCertificates: []pkix.RevokedCertificate{ 2542 { 2543 SerialNumber: big.NewInt(2), 2544 RevocationTime: time.Time{}.Add(time.Hour), 2545 }, 2546 }, 2547 Number: big.NewInt(5), 2548 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2549 NextUpdate: time.Time{}.Add(time.Hour * 48), 2550 }, 2551 expectedError: "x509: requested SignatureAlgorithm does not match private key type", 2552 }, 2553 { 2554 name: "valid", 2555 key: ec256Priv, 2556 issuer: &Certificate{ 2557 KeyUsage: KeyUsageCRLSign, 2558 Subject: pkix.Name{ 2559 CommonName: "testing", 2560 }, 2561 SubjectKeyId: []byte{1, 2, 3}, 2562 }, 2563 template: &RevocationList{ 2564 RevokedCertificates: []pkix.RevokedCertificate{ 2565 { 2566 SerialNumber: big.NewInt(2), 2567 RevocationTime: time.Time{}.Add(time.Hour), 2568 }, 2569 }, 2570 Number: big.NewInt(5), 2571 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2572 NextUpdate: time.Time{}.Add(time.Hour * 48), 2573 }, 2574 }, 2575 { 2576 name: "valid, extra entry extension", 2577 key: ec256Priv, 2578 issuer: &Certificate{ 2579 KeyUsage: KeyUsageCRLSign, 2580 Subject: pkix.Name{ 2581 CommonName: "testing", 2582 }, 2583 SubjectKeyId: []byte{1, 2, 3}, 2584 }, 2585 template: &RevocationList{ 2586 RevokedCertificates: []pkix.RevokedCertificate{ 2587 { 2588 SerialNumber: big.NewInt(2), 2589 RevocationTime: time.Time{}.Add(time.Hour), 2590 Extensions: []pkix.Extension{ 2591 { 2592 Id: []int{2, 5, 29, 99}, 2593 Value: []byte{5, 0}, 2594 }, 2595 }, 2596 }, 2597 }, 2598 Number: big.NewInt(5), 2599 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2600 NextUpdate: time.Time{}.Add(time.Hour * 48), 2601 }, 2602 }, 2603 { 2604 name: "valid, Ed25519 key", 2605 key: ed25519Priv, 2606 issuer: &Certificate{ 2607 KeyUsage: KeyUsageCRLSign, 2608 Subject: pkix.Name{ 2609 CommonName: "testing", 2610 }, 2611 SubjectKeyId: []byte{1, 2, 3}, 2612 }, 2613 template: &RevocationList{ 2614 RevokedCertificates: []pkix.RevokedCertificate{ 2615 { 2616 SerialNumber: big.NewInt(2), 2617 RevocationTime: time.Time{}.Add(time.Hour), 2618 }, 2619 }, 2620 Number: big.NewInt(5), 2621 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2622 NextUpdate: time.Time{}.Add(time.Hour * 48), 2623 }, 2624 }, 2625 { 2626 name: "valid, non-default signature algorithm", 2627 key: ec256Priv, 2628 issuer: &Certificate{ 2629 KeyUsage: KeyUsageCRLSign, 2630 Subject: pkix.Name{ 2631 CommonName: "testing", 2632 }, 2633 SubjectKeyId: []byte{1, 2, 3}, 2634 }, 2635 template: &RevocationList{ 2636 SignatureAlgorithm: ECDSAWithSHA512, 2637 RevokedCertificates: []pkix.RevokedCertificate{ 2638 { 2639 SerialNumber: big.NewInt(2), 2640 RevocationTime: time.Time{}.Add(time.Hour), 2641 }, 2642 }, 2643 Number: big.NewInt(5), 2644 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2645 NextUpdate: time.Time{}.Add(time.Hour * 48), 2646 }, 2647 }, 2648 { 2649 name: "valid, extra extension", 2650 key: ec256Priv, 2651 issuer: &Certificate{ 2652 KeyUsage: KeyUsageCRLSign, 2653 Subject: pkix.Name{ 2654 CommonName: "testing", 2655 }, 2656 SubjectKeyId: []byte{1, 2, 3}, 2657 }, 2658 template: &RevocationList{ 2659 RevokedCertificates: []pkix.RevokedCertificate{ 2660 { 2661 SerialNumber: big.NewInt(2), 2662 RevocationTime: time.Time{}.Add(time.Hour), 2663 }, 2664 }, 2665 Number: big.NewInt(5), 2666 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2667 NextUpdate: time.Time{}.Add(time.Hour * 48), 2668 ExtraExtensions: []pkix.Extension{ 2669 { 2670 Id: []int{2, 5, 29, 99}, 2671 Value: []byte{5, 0}, 2672 }, 2673 }, 2674 }, 2675 }, 2676 { 2677 name: "valid, empty list", 2678 key: ec256Priv, 2679 issuer: &Certificate{ 2680 KeyUsage: KeyUsageCRLSign, 2681 Subject: pkix.Name{ 2682 CommonName: "testing", 2683 }, 2684 SubjectKeyId: []byte{1, 2, 3}, 2685 }, 2686 template: &RevocationList{ 2687 Number: big.NewInt(5), 2688 ThisUpdate: time.Time{}.Add(time.Hour * 24), 2689 NextUpdate: time.Time{}.Add(time.Hour * 48), 2690 }, 2691 }, 2692 } 2693 2694 for _, tc := range tests { 2695 t.Run(tc.name, func(t *testing.T) { 2696 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key) 2697 if err != nil && tc.expectedError == "" { 2698 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err) 2699 } else if err != nil && tc.expectedError != err.Error() { 2700 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err) 2701 } else if err == nil && tc.expectedError != "" { 2702 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError) 2703 } 2704 if tc.expectedError != "" { 2705 return 2706 } 2707 2708 parsedCRL, err := ParseRevocationList(crl) 2709 if err != nil { 2710 t.Fatalf("Failed to parse generated CRL: %s", err) 2711 } 2712 2713 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm && 2714 parsedCRL.SignatureAlgorithm != tc.template.SignatureAlgorithm { 2715 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm, 2716 tc.template.SignatureAlgorithm) 2717 } 2718 2719 if !reflect.DeepEqual(parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) { 2720 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.", 2721 parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) 2722 } 2723 2724 if len(parsedCRL.Extensions) != 2+len(tc.template.ExtraExtensions) { 2725 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.Extensions)) 2726 } 2727 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId}) 2728 if err != nil { 2729 t.Fatalf("asn1.Marshal failed: %s", err) 2730 } 2731 akiExt := pkix.Extension{ 2732 Id: oidExtensionAuthorityKeyId, 2733 Value: expectedAKI, 2734 } 2735 if !reflect.DeepEqual(parsedCRL.Extensions[0], akiExt) { 2736 t.Fatalf("Unexpected first extension: got %v, want %v", 2737 parsedCRL.Extensions[0], akiExt) 2738 } 2739 expectedNum, err := asn1.Marshal(tc.template.Number) 2740 if err != nil { 2741 t.Fatalf("asn1.Marshal failed: %s", err) 2742 } 2743 crlExt := pkix.Extension{ 2744 Id: oidExtensionCRLNumber, 2745 Value: expectedNum, 2746 } 2747 if !reflect.DeepEqual(parsedCRL.Extensions[1], crlExt) { 2748 t.Fatalf("Unexpected second extension: got %v, want %v", 2749 parsedCRL.Extensions[1], crlExt) 2750 } 2751 if len(parsedCRL.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 { 2752 // If we don't have anything to check return early so we don't 2753 // hit a [] != nil false positive below. 2754 return 2755 } 2756 if !reflect.DeepEqual(parsedCRL.Extensions[2:], tc.template.ExtraExtensions) { 2757 t.Fatalf("Extensions mismatch: got %v; want %v.", 2758 parsedCRL.Extensions[2:], tc.template.ExtraExtensions) 2759 } 2760 2761 if tc.template.Number != nil && parsedCRL.Number == nil { 2762 t.Fatalf("Generated CRL missing Number: got nil, want %s", 2763 tc.template.Number.String()) 2764 } 2765 if tc.template.Number != nil && tc.template.Number.Cmp(parsedCRL.Number) != 0 { 2766 t.Fatalf("Generated CRL has wrong Number: got %s, want %s", 2767 parsedCRL.Number.String(), tc.template.Number.String()) 2768 } 2769 if !bytes.Equal(parsedCRL.AuthorityKeyId, expectedAKI) { 2770 t.Fatalf("Generated CRL has wrong Number: got %x, want %x", 2771 parsedCRL.AuthorityKeyId, expectedAKI) 2772 } 2773 }) 2774 } 2775 } 2776 2777 func TestRSAPSAParameters(t *testing.T) { 2778 generateParams := func(hashFunc crypto.Hash) []byte { 2779 var hashOID asn1.ObjectIdentifier 2780 2781 switch hashFunc { 2782 case crypto.SHA256: 2783 hashOID = oidSHA256 2784 case crypto.SHA384: 2785 hashOID = oidSHA384 2786 case crypto.SHA512: 2787 hashOID = oidSHA512 2788 } 2789 2790 params := pssParameters{ 2791 Hash: pkix.AlgorithmIdentifier{ 2792 Algorithm: hashOID, 2793 Parameters: asn1.NullRawValue, 2794 }, 2795 MGF: pkix.AlgorithmIdentifier{ 2796 Algorithm: oidMGF1, 2797 }, 2798 SaltLength: hashFunc.Size(), 2799 TrailerField: 1, 2800 } 2801 2802 mgf1Params := pkix.AlgorithmIdentifier{ 2803 Algorithm: hashOID, 2804 Parameters: asn1.NullRawValue, 2805 } 2806 2807 var err error 2808 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params) 2809 if err != nil { 2810 t.Fatalf("failed to marshal MGF parameters: %s", err) 2811 } 2812 2813 serialized, err := asn1.Marshal(params) 2814 if err != nil { 2815 t.Fatalf("failed to marshal parameters: %s", err) 2816 } 2817 2818 return serialized 2819 } 2820 2821 for h, params := range hashToPSSParameters { 2822 generated := generateParams(h) 2823 if !bytes.Equal(params.FullBytes, generated) { 2824 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", h, generated, params.FullBytes) 2825 } 2826 } 2827 } 2828 2829 func TestUnknownExtKey(t *testing.T) { 2830 const errorContains = "unknown extended key usage" 2831 2832 template := &Certificate{ 2833 SerialNumber: big.NewInt(10), 2834 DNSNames: []string{"foo"}, 2835 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)}, 2836 } 2837 signer, err := rsa.GenerateKey(rand.Reader, 1024) 2838 if err != nil { 2839 t.Errorf("failed to generate key for TestUnknownExtKey") 2840 } 2841 2842 _, err = CreateCertificate(rand.Reader, template, template, signer.Public(), signer) 2843 if !strings.Contains(err.Error(), errorContains) { 2844 t.Errorf("expected error containing %q, got %s", errorContains, err) 2845 } 2846 } 2847 2848 func TestIA5SANEnforcement(t *testing.T) { 2849 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2850 if err != nil { 2851 t.Fatalf("ecdsa.GenerateKey failed: %s", err) 2852 } 2853 2854 testURL, err := url.Parse("https://example.com/") 2855 if err != nil { 2856 t.Fatalf("url.Parse failed: %s", err) 2857 } 2858 testURL.RawQuery = "∞" 2859 2860 marshalTests := []struct { 2861 name string 2862 template *Certificate 2863 expectedError string 2864 }{ 2865 { 2866 name: "marshal: unicode dNSName", 2867 template: &Certificate{ 2868 SerialNumber: big.NewInt(0), 2869 DNSNames: []string{"∞"}, 2870 }, 2871 expectedError: "x509: \"∞\" cannot be encoded as an IA5String", 2872 }, 2873 { 2874 name: "marshal: unicode rfc822Name", 2875 template: &Certificate{ 2876 SerialNumber: big.NewInt(0), 2877 EmailAddresses: []string{"∞"}, 2878 }, 2879 expectedError: "x509: \"∞\" cannot be encoded as an IA5String", 2880 }, 2881 { 2882 name: "marshal: unicode uniformResourceIdentifier", 2883 template: &Certificate{ 2884 SerialNumber: big.NewInt(0), 2885 URIs: []*url.URL{testURL}, 2886 }, 2887 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String", 2888 }, 2889 } 2890 2891 for _, tc := range marshalTests { 2892 t.Run(tc.name, func(t *testing.T) { 2893 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k) 2894 if err == nil { 2895 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template) 2896 } else if err.Error() != tc.expectedError { 2897 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError) 2898 } 2899 }) 2900 } 2901 2902 unmarshalTests := []struct { 2903 name string 2904 cert string 2905 expectedError string 2906 }{ 2907 { 2908 name: "unmarshal: unicode dNSName", 2909 cert: "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", 2910 expectedError: "x509: SAN dNSName is malformed", 2911 }, 2912 { 2913 name: "unmarshal: unicode rfc822Name", 2914 cert: "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", 2915 expectedError: "x509: SAN rfc822Name is malformed", 2916 }, 2917 { 2918 name: "unmarshal: unicode uniformResourceIdentifier", 2919 cert: "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", 2920 expectedError: "x509: SAN uniformResourceIdentifier is malformed", 2921 }, 2922 } 2923 2924 for _, tc := range unmarshalTests { 2925 der, err := hex.DecodeString(tc.cert) 2926 if err != nil { 2927 t.Fatalf("failed to decode test cert: %s", err) 2928 } 2929 _, err = ParseCertificate(der) 2930 if err == nil { 2931 t.Error("expected CreateCertificate to fail") 2932 } else if err.Error() != tc.expectedError { 2933 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError) 2934 } 2935 } 2936 } 2937 2938 func BenchmarkCreateCertificate(b *testing.B) { 2939 template := &Certificate{ 2940 SerialNumber: big.NewInt(10), 2941 DNSNames: []string{"example.com"}, 2942 } 2943 tests := []struct { 2944 name string 2945 gen func() crypto.Signer 2946 }{ 2947 { 2948 name: "RSA 2048", 2949 gen: func() crypto.Signer { 2950 k, err := rsa.GenerateKey(rand.Reader, 2048) 2951 if err != nil { 2952 b.Fatalf("failed to generate test key: %s", err) 2953 } 2954 return k 2955 }, 2956 }, 2957 { 2958 name: "ECDSA P256", 2959 gen: func() crypto.Signer { 2960 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 2961 if err != nil { 2962 b.Fatalf("failed to generate test key: %s", err) 2963 } 2964 return k 2965 }, 2966 }, 2967 } 2968 2969 for _, tc := range tests { 2970 k := tc.gen() 2971 b.ResetTimer() 2972 b.Run(tc.name, func(b *testing.B) { 2973 for i := 0; i < b.N; i++ { 2974 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k) 2975 if err != nil { 2976 b.Fatalf("failed to create certificate: %s", err) 2977 } 2978 } 2979 }) 2980 } 2981 } 2982 2983 type brokenSigner struct { 2984 pub crypto.PublicKey 2985 } 2986 2987 func (bs *brokenSigner) Public() crypto.PublicKey { 2988 return bs.pub 2989 } 2990 2991 func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) { 2992 return []byte{1, 2, 3}, nil 2993 } 2994 2995 func TestCreateCertificateBrokenSigner(t *testing.T) { 2996 template := &Certificate{ 2997 SerialNumber: big.NewInt(10), 2998 DNSNames: []string{"example.com"}, 2999 } 3000 k, err := rsa.GenerateKey(rand.Reader, 1024) 3001 if err != nil { 3002 t.Fatalf("failed to generate test key: %s", err) 3003 } 3004 expectedErr := "x509: signature over certificate returned by signer is invalid: crypto/rsa: verification error" 3005 _, err = CreateCertificate(rand.Reader, template, template, k.Public(), &brokenSigner{k.Public()}) 3006 if err == nil { 3007 t.Fatal("expected CreateCertificate to fail with a broken signer") 3008 } else if err.Error() != expectedErr { 3009 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr) 3010 } 3011 } 3012 3013 func TestCreateCertificateLegacy(t *testing.T) { 3014 sigAlg := MD5WithRSA 3015 template := &Certificate{ 3016 SerialNumber: big.NewInt(10), 3017 DNSNames: []string{"example.com"}, 3018 SignatureAlgorithm: sigAlg, 3019 } 3020 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()}) 3021 if err == nil { 3022 t.Fatal("CreateCertificate didn't fail when SignatureAlgorithm = MD5WithRSA") 3023 } 3024 } 3025 3026 func (s *CertPool) mustCert(t *testing.T, n int) *Certificate { 3027 c, err := s.lazyCerts[n].getCert() 3028 if err != nil { 3029 t.Fatalf("failed to load cert %d: %v", n, err) 3030 } 3031 return c 3032 } 3033 3034 func allCerts(t *testing.T, p *CertPool) []*Certificate { 3035 all := make([]*Certificate, p.len()) 3036 for i := range all { 3037 all[i] = p.mustCert(t, i) 3038 } 3039 return all 3040 } 3041 3042 // certPoolEqual reports whether a and b are equal, except for the 3043 // function pointers. 3044 func certPoolEqual(a, b *CertPool) bool { 3045 if (a != nil) != (b != nil) { 3046 return false 3047 } 3048 if a == nil { 3049 return true 3050 } 3051 if !reflect.DeepEqual(a.byName, b.byName) || 3052 len(a.lazyCerts) != len(b.lazyCerts) { 3053 return false 3054 } 3055 for i := range a.lazyCerts { 3056 la, lb := a.lazyCerts[i], b.lazyCerts[i] 3057 if !bytes.Equal(la.rawSubject, lb.rawSubject) { 3058 return false 3059 } 3060 ca, err := la.getCert() 3061 if err != nil { 3062 panic(err) 3063 } 3064 cb, err := la.getCert() 3065 if err != nil { 3066 panic(err) 3067 } 3068 if !ca.Equal(cb) { 3069 return false 3070 } 3071 } 3072 3073 return true 3074 } 3075 3076 func TestCertificateRequestRoundtripFields(t *testing.T) { 3077 urlA, err := url.Parse("https://example.com/_") 3078 if err != nil { 3079 t.Fatal(err) 3080 } 3081 urlB, err := url.Parse("https://example.org/_") 3082 if err != nil { 3083 t.Fatal(err) 3084 } 3085 in := &CertificateRequest{ 3086 DNSNames: []string{"example.com", "example.org"}, 3087 EmailAddresses: []string{"a@example.com", "b@example.com"}, 3088 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback}, 3089 URIs: []*url.URL{urlA, urlB}, 3090 } 3091 out := marshalAndParseCSR(t, in) 3092 3093 if !reflect.DeepEqual(in.DNSNames, out.DNSNames) { 3094 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames) 3095 } 3096 if !reflect.DeepEqual(in.EmailAddresses, out.EmailAddresses) { 3097 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses) 3098 } 3099 if len(in.IPAddresses) != len(out.IPAddresses) || 3100 !in.IPAddresses[0].Equal(out.IPAddresses[0]) || 3101 !in.IPAddresses[1].Equal(out.IPAddresses[1]) { 3102 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses) 3103 } 3104 if !reflect.DeepEqual(in.URIs, out.URIs) { 3105 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs) 3106 } 3107 } 3108 3109 func BenchmarkParseCertificate(b *testing.B) { 3110 cases := []struct { 3111 name string 3112 pem string 3113 }{ 3114 { 3115 name: "ecdsa leaf", 3116 pem: `-----BEGIN CERTIFICATE----- 3117 MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG 3118 MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM 3119 QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw 3120 OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG 3121 SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF 3122 kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC 3123 B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU 3124 6SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU 3125 83E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w 3126 a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv 3127 L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t 3128 gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k 3129 ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t 3130 ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j 3131 b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j 3132 boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl 3133 LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv 3134 LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu 3135 Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n 3136 bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds 3137 ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n 3138 b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw 3139 aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv 3140 b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j 3141 boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t 3142 ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t 3143 ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1 3144 YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp 3145 b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C 3146 GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv 3147 cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl 3148 LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds 3149 ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv 3150 b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo 3151 aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1 3152 YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa 3153 MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0 3154 cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB 3155 Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro 3156 gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb 3157 j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr 3158 GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8 3159 DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3 3160 svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx 3161 -----END CERTIFICATE-----`, 3162 }, 3163 { 3164 name: "rsa leaf", 3165 pem: `-----BEGIN CERTIFICATE----- 3166 MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw 3167 QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET 3168 MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2 3169 MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH 3170 Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq 3171 Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0 3172 UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h 3173 KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/ 3174 n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De 3175 6h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE 3176 fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia 3177 OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l 3178 BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB 3179 k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI 3180 KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n 3181 dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx 3182 TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk 3183 LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk 3184 Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t 3185 cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou 3186 Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n 3187 a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh 3188 ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q 3189 Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC 3190 DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u 3191 bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k 3192 ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n 3193 bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou 3194 Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw 3195 cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq 3196 LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK 3197 Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou 3198 dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j 3199 boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0 3200 dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou 3201 eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j 3202 b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy 3203 b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v 3204 LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h 3205 cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds 3206 ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu 3207 Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i 3208 ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow 3209 KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB 3210 BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM 3211 4WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B 3212 QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1 3213 /65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS 3214 U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n 3215 YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr 3216 Qc4= 3217 -----END CERTIFICATE-----`, 3218 }, 3219 } 3220 for _, c := range cases { 3221 b.Run(c.name, func(b *testing.B) { 3222 pemBlock, _ := pem.Decode([]byte(c.pem)) 3223 b.ReportAllocs() 3224 b.ResetTimer() 3225 for i := 0; i < b.N; i++ { 3226 _, err := ParseCertificate(pemBlock.Bytes) 3227 if err != nil { 3228 b.Fatal(err) 3229 } 3230 } 3231 }) 3232 } 3233 } 3234 3235 func TestParseCertificateRawEquals(t *testing.T) { 3236 p, _ := pem.Decode([]byte(pemCertificate)) 3237 cert, err := ParseCertificate(p.Bytes) 3238 if err != nil { 3239 t.Fatalf("failed to parse certificate: %s", err) 3240 } 3241 if !bytes.Equal(p.Bytes, cert.Raw) { 3242 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes) 3243 } 3244 } 3245 3246 // mismatchingSigAlgIDPEM contains a certificate where the Certificate 3247 // signatureAlgorithm and the TBSCertificate signature contain 3248 // mismatching OIDs 3249 const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE----- 3250 MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa 3251 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV 3252 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx 3253 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD 3254 AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q 3255 tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn 3256 -----END CERTIFICATE-----` 3257 3258 // mismatchingSigAlgParamPEM contains a certificate where the Certificate 3259 // signatureAlgorithm and the TBSCertificate signature contain 3260 // mismatching parameters 3261 const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE----- 3262 MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa 3263 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV 3264 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx 3265 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD 3266 AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi 3267 f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc= 3268 -----END CERTIFICATE-----` 3269 3270 func TestSigAlgMismatch(t *testing.T) { 3271 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} { 3272 b, _ := pem.Decode([]byte(certPEM)) 3273 if b == nil { 3274 t.Fatalf("couldn't decode test certificate") 3275 } 3276 _, err := ParseCertificate(b.Bytes) 3277 if err == nil { 3278 t.Fatalf("expected ParseCertificate to fail") 3279 } 3280 expected := "x509: inner and outer signature algorithm identifiers don't match" 3281 if err.Error() != expected { 3282 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected) 3283 } 3284 } 3285 } 3286 3287 const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE----- 3288 MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh 3289 bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu 3290 Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g 3291 QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe 3292 BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX 3293 DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs 3294 ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy 3295 IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A 3296 MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7 3297 JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n 3298 WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4 3299 uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N 3300 rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v 3301 1vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/ 3302 X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD 3303 VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD 3304 ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp 3305 ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j 3306 b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB 3307 Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j 3308 c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl 3309 cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js 3310 MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm 3311 aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD 3312 AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr 3313 mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So 3314 GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV 3315 FxdzPcwl 3316 -----END CERTIFICATE-----` 3317 3318 func TestAuthKeyIdOptional(t *testing.T) { 3319 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM)) 3320 if b == nil { 3321 t.Fatalf("couldn't decode test certificate") 3322 } 3323 _, err := ParseCertificate(b.Bytes) 3324 if err != nil { 3325 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err) 3326 } 3327 } 3328 3329 const largeOIDPEM = ` 3330 Certificate: 3331 Data: 3332 Version: 3 (0x2) 3333 Serial Number: 3334 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02 3335 Signature Algorithm: sha256WithRSAEncryption 3336 Issuer: O = Acme Co 3337 Validity 3338 Not Before: Dec 21 16:59:27 2021 GMT 3339 Not After : Dec 21 16:59:27 2022 GMT 3340 Subject: O = Acme Co 3341 Subject Public Key Info: 3342 Public Key Algorithm: rsaEncryption 3343 RSA Public-Key: (2048 bit) 3344 Modulus: 3345 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78: 3346 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14: 3347 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69: 3348 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c: 3349 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc: 3350 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb: 3351 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb: 3352 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f: 3353 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21: 3354 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94: 3355 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4: 3356 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa: 3357 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58: 3358 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d: 3359 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17: 3360 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21: 3361 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a: 3362 c6:bf 3363 Exponent: 65537 (0x10001) 3364 X509v3 extensions: 3365 X509v3 Key Usage: critical 3366 Digital Signature, Key Encipherment 3367 X509v3 Extended Key Usage: 3368 TLS Web Server Authentication 3369 X509v3 Basic Constraints: critical 3370 CA:FALSE 3371 X509v3 Subject Alternative Name: 3372 DNS:longOID.example 3373 X509v3 Certificate Policies: 3374 Policy: 1.3.6.1.4.1.311.21.8.1492336001 3375 3376 Signature Algorithm: sha256WithRSAEncryption 3377 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79: 3378 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c: 3379 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31: 3380 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe: 3381 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae: 3382 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c: 3383 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06: 3384 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3: 3385 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07: 3386 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80: 3387 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43: 3388 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72: 3389 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8: 3390 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f: 3391 a6:ba:88:6c 3392 -----BEGIN CERTIFICATE----- 3393 MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw 3394 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5 3395 MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw 3396 ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR 3397 6FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ 3398 y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx 3399 OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi 3400 IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI 3401 E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF 3402 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC 3403 D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G 3404 CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U 3405 dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr 3406 WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX 3407 0E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr 3408 CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH 3409 Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs 3410 -----END CERTIFICATE-----` 3411 3412 func TestLargeOID(t *testing.T) { 3413 // See Issue 49678. 3414 b, _ := pem.Decode([]byte(largeOIDPEM)) 3415 if b == nil { 3416 t.Fatalf("couldn't decode test certificate") 3417 } 3418 _, err := ParseCertificate(b.Bytes) 3419 if err != nil { 3420 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err) 3421 } 3422 } 3423 3424 const uniqueIDPEM = `-----BEGIN CERTIFICATE----- 3425 MIIFsDCCBJigAwIBAgIIrOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG 3426 A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA 3427 VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA 3428 dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx 3429 ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI 3430 EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl 3431 aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV 3432 BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB 3433 AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4 3434 PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp 3435 4iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf 3436 gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU 3437 BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX 3438 Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo 3439 cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y 3440 dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz 3441 Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl 3442 bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP 3443 aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl 3444 AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT 3445 BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF 3446 6xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv 3447 AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT 3448 ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv 3449 AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD 3450 ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG 3451 Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ 3452 eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ 3453 WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5 3454 TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt 3455 yYLwhUhg3PX5Co1VKYE+9TxloiE= 3456 -----END CERTIFICATE-----` 3457 3458 func TestParseUniqueID(t *testing.T) { 3459 b, _ := pem.Decode([]byte(uniqueIDPEM)) 3460 if b == nil { 3461 t.Fatalf("couldn't decode test certificate") 3462 } 3463 cert, err := ParseCertificate(b.Bytes) 3464 if err != nil { 3465 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err) 3466 } 3467 if len(cert.Extensions) != 7 { 3468 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions)) 3469 } 3470 } 3471 3472 func TestDisableSHA1ForCertOnly(t *testing.T) { 3473 defer func(old bool) { debugAllowSHA1 = old }(debugAllowSHA1) 3474 debugAllowSHA1 = false 3475 3476 tmpl := &Certificate{ 3477 SerialNumber: big.NewInt(1), 3478 NotBefore: time.Now().Add(-time.Hour), 3479 NotAfter: time.Now().Add(time.Hour), 3480 SignatureAlgorithm: SHA1WithRSA, 3481 BasicConstraintsValid: true, 3482 IsCA: true, 3483 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign, 3484 } 3485 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey) 3486 if err != nil { 3487 t.Fatalf("failed to generate test cert: %s", err) 3488 } 3489 cert, err := ParseCertificate(certDER) 3490 if err != nil { 3491 t.Fatalf("failed to parse test cert: %s", err) 3492 } 3493 3494 err = cert.CheckSignatureFrom(cert) 3495 if err == nil { 3496 t.Error("expected CheckSignatureFrom to fail") 3497 } else if _, ok := err.(InsecureAlgorithmError); !ok { 3498 t.Errorf("expected InsecureAlgorithmError error, got %T", err) 3499 } 3500 3501 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{ 3502 SignatureAlgorithm: SHA1WithRSA, 3503 Number: big.NewInt(1), 3504 ThisUpdate: time.Now().Add(-time.Hour), 3505 NextUpdate: time.Now().Add(time.Hour), 3506 }, cert, rsaPrivateKey) 3507 if err != nil { 3508 t.Fatalf("failed to generate test CRL: %s", err) 3509 } 3510 // TODO(rolandshoemaker): this should be ParseRevocationList once it lands 3511 crl, err := ParseCRL(crlDER) 3512 if err != nil { 3513 t.Fatalf("failed to parse test CRL: %s", err) 3514 } 3515 3516 if err = cert.CheckCRLSignature(crl); err != nil { 3517 t.Errorf("unexpected error: %s", err) 3518 } 3519 3520 // This is an unrelated OCSP response, which will fail signature verification 3521 // but shouldn't return a InsecureAlgorithmError, since SHA1 should be allowed 3522 // for OCSP. 3523 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a" 3524 ocspTBS, err := hex.DecodeString(ocspTBSHex) 3525 if err != nil { 3526 t.Fatalf("failed to decode OCSP response TBS hex: %s", err) 3527 } 3528 3529 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil) 3530 if err != rsa.ErrVerification { 3531 t.Errorf("unexpected error: %s", err) 3532 } 3533 } 3534 3535 func TestParseRevocationList(t *testing.T) { 3536 derBytes := fromBase64(derCRLBase64) 3537 certList, err := ParseRevocationList(derBytes) 3538 if err != nil { 3539 t.Errorf("error parsing: %s", err) 3540 return 3541 } 3542 numCerts := len(certList.RevokedCertificates) 3543 expected := 88 3544 if numCerts != expected { 3545 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected) 3546 } 3547 } 3548 3549 func TestRevocationListCheckSignatureFrom(t *testing.T) { 3550 goodKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader) 3551 if err != nil { 3552 t.Fatalf("failed to generate test key: %s", err) 3553 } 3554 badKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader) 3555 if err != nil { 3556 t.Fatalf("failed to generate test key: %s", err) 3557 } 3558 tests := []struct { 3559 name string 3560 issuer *Certificate 3561 err string 3562 }{ 3563 { 3564 name: "valid", 3565 issuer: &Certificate{ 3566 Version: 3, 3567 BasicConstraintsValid: true, 3568 IsCA: true, 3569 PublicKeyAlgorithm: ECDSA, 3570 PublicKey: goodKey.Public(), 3571 }, 3572 }, 3573 { 3574 name: "valid, key usage set", 3575 issuer: &Certificate{ 3576 Version: 3, 3577 BasicConstraintsValid: true, 3578 IsCA: true, 3579 PublicKeyAlgorithm: ECDSA, 3580 PublicKey: goodKey.Public(), 3581 KeyUsage: KeyUsageCRLSign, 3582 }, 3583 }, 3584 { 3585 name: "invalid issuer, wrong key usage", 3586 issuer: &Certificate{ 3587 Version: 3, 3588 BasicConstraintsValid: true, 3589 IsCA: true, 3590 PublicKeyAlgorithm: ECDSA, 3591 PublicKey: goodKey.Public(), 3592 KeyUsage: KeyUsageCertSign, 3593 }, 3594 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate", 3595 }, 3596 { 3597 name: "invalid issuer, no basic constraints/ca", 3598 issuer: &Certificate{ 3599 Version: 3, 3600 PublicKeyAlgorithm: ECDSA, 3601 PublicKey: goodKey.Public(), 3602 }, 3603 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate", 3604 }, 3605 { 3606 name: "invalid issuer, unsupported public key type", 3607 issuer: &Certificate{ 3608 Version: 3, 3609 BasicConstraintsValid: true, 3610 IsCA: true, 3611 PublicKeyAlgorithm: UnknownPublicKeyAlgorithm, 3612 PublicKey: goodKey.Public(), 3613 }, 3614 err: "x509: cannot verify signature: algorithm unimplemented", 3615 }, 3616 { 3617 name: "wrong key", 3618 issuer: &Certificate{ 3619 Version: 3, 3620 BasicConstraintsValid: true, 3621 IsCA: true, 3622 PublicKeyAlgorithm: ECDSA, 3623 PublicKey: badKey.Public(), 3624 }, 3625 err: "x509: ECDSA verification failure", 3626 }, 3627 } 3628 3629 crlIssuer := &Certificate{ 3630 BasicConstraintsValid: true, 3631 IsCA: true, 3632 PublicKeyAlgorithm: ECDSA, 3633 PublicKey: goodKey.Public(), 3634 KeyUsage: KeyUsageCRLSign, 3635 SubjectKeyId: []byte{1, 2, 3}, 3636 } 3637 for _, tc := range tests { 3638 t.Run(tc.name, func(t *testing.T) { 3639 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{Number: big.NewInt(1)}, crlIssuer, goodKey) 3640 if err != nil { 3641 t.Fatalf("failed to generate CRL: %s", err) 3642 } 3643 crl, err := ParseRevocationList(crlDER) 3644 if err != nil { 3645 t.Fatalf("failed to parse test CRL: %s", err) 3646 } 3647 err = crl.CheckSignatureFrom(tc.issuer) 3648 if err != nil && err.Error() != tc.err { 3649 t.Errorf("unexpected error: got %s, want %s", err, tc.err) 3650 } else if err == nil && tc.err != "" { 3651 t.Errorf("CheckSignatureFrom did not fail: want %s", tc.err) 3652 } 3653 }) 3654 } 3655 } 3656 3657 func TestOmitEmptyExtensions(t *testing.T) { 3658 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 3659 if err != nil { 3660 t.Fatal(err) 3661 } 3662 tmpl := &Certificate{ 3663 SerialNumber: big.NewInt(1), 3664 Subject: pkix.Name{ 3665 CommonName: ":)", 3666 }, 3667 NotAfter: time.Now().Add(time.Hour), 3668 NotBefore: time.Now().Add(-time.Hour), 3669 } 3670 der, err := CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k) 3671 if err != nil { 3672 t.Fatal(err) 3673 } 3674 3675 emptyExtSeq := []byte{0xA3, 0x02, 0x30, 0x00} 3676 if bytes.Contains(der, emptyExtSeq) { 3677 t.Error("DER encoding contains the an empty extensions SEQUENCE") 3678 } 3679 } 3680 3681 var negativeSerialCert = `-----BEGIN CERTIFICATE----- 3682 MIIBBTCBraADAgECAgH/MAoGCCqGSM49BAMCMA0xCzAJBgNVBAMTAjopMB4XDTIy 3683 MDQxNDIzNTYwNFoXDTIyMDQxNTAxNTYwNFowDTELMAkGA1UEAxMCOikwWTATBgcq 3684 hkjOPQIBBggqhkjOPQMBBwNCAAQ9ezsIsj+q17K87z/PXE/rfGRN72P/Wyn5d6oo 3685 5M0ZbSatuntMvfKdX79CQxXAxN4oXk3Aov4jVSG12AcDI8ShMAoGCCqGSM49BAMC 3686 A0cAMEQCIBzfBU5eMPT6m5lsR6cXaJILpAaiD9YxOl4v6dT3rzEjAiBHmjnHmAss 3687 RqUAyJKFzqZxOlK2q4j2IYnuj5+LrLGbQA== 3688 -----END CERTIFICATE-----` 3689 3690 func TestParseNegativeSerial(t *testing.T) { 3691 pemBlock, _ := pem.Decode([]byte(negativeSerialCert)) 3692 _, err := ParseCertificate(pemBlock.Bytes) 3693 if err != nil { 3694 t.Fatalf("failed to parse certificate: %s", err) 3695 } 3696 } 3697 3698 func TestCreateNegativeSerial(t *testing.T) { 3699 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) 3700 if err != nil { 3701 t.Fatal(err) 3702 } 3703 tmpl := &Certificate{ 3704 SerialNumber: big.NewInt(-1), 3705 Subject: pkix.Name{ 3706 CommonName: ":)", 3707 }, 3708 NotAfter: time.Now().Add(time.Hour), 3709 NotBefore: time.Now().Add(-time.Hour), 3710 } 3711 expectedErr := "x509: serial number must be positive" 3712 _, err = CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k) 3713 if err == nil || err.Error() != expectedErr { 3714 t.Errorf("CreateCertificate returned unexpected error: want %q, got %q", expectedErr, err) 3715 } 3716 } 3717 3718 const dupExtCert = `-----BEGIN CERTIFICATE----- 3719 MIIBrjCCARegAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwR0ZXN0 3720 MCIYDzAwMDEwMTAxMDAwMDAwWhgPMDAwMTAxMDEwMDAwMDBaMA8xDTALBgNVBAMT 3721 BHRlc3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMiFchnHms9l9NninAIz 3722 SkY9acwl9Bk2AtmJrNCenFpiA17AcOO5q8DJYwdXi6WPKlVgcyH+ysW8XMWkq+CP 3723 yhtF/+LMzl9odaUF2iUy3vgTC5gxGLWH5URVssx21Und2Pm2f4xyou5IVxbS9dxy 3724 jLvV9PEY9BIb0H+zFthjhihDAgMBAAGjFjAUMAgGAioDBAIFADAIBgIqAwQCBQAw 3725 DQYJKoZIhvcNAQELBQADgYEAlhQ4TQQKIQ8GUyzGiN/75TCtQtjhMGemxc0cNgre 3726 d9rmm4DjydH0t7/sMCB56lQrfhJNplguzsbjFW4l245KbNKHfLiqwEGUgZjBNKur 3727 ot6qX/skahLtt0CNOaFIge75HVKe/69OrWQGdp18dkay/KS4Glu8YMKIjOhfrUi1 3728 NZA= 3729 -----END CERTIFICATE-----` 3730 3731 func TestDuplicateExtensionsCert(t *testing.T) { 3732 b, _ := pem.Decode([]byte(dupExtCert)) 3733 if b == nil { 3734 t.Fatalf("couldn't decode test certificate") 3735 } 3736 _, err := ParseCertificate(b.Bytes) 3737 if err == nil { 3738 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions") 3739 } 3740 } 3741 3742 const dupExtCSR = `-----BEGIN CERTIFICATE REQUEST----- 3743 MIIBczCB3QIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN 3744 ADCBiQKBgQC5PbxMGVJ8aLF9lq/EvGObXTRMB7ieiZL9N+DJZg1n/ECCnZLIvYrr 3745 ZmmDV7YZsClgxKGfjJB0RQFFyZElFM9EfHEs8NJdidDKCRdIhDXQWRyhXKevHvdm 3746 CQNKzUeoxvdHpU/uscSkw6BgUzPyLyTx9A6ye2ix94z8Y9hGOBO2DQIDAQABoCUw 3747 IwYJKoZIhvcNAQkOMRYwFDAIBgIqAwQCBQAwCAYCKgMEAgUAMA0GCSqGSIb3DQEB 3748 CwUAA4GBAHROEsE7URk1knXmBnQtIHwoq663vlMcX3Hes58pUy020rWP8QkocA+X 3749 VF18/phg3p5ILlS4fcbbP2bEeV0pePo2k00FDPsJEKCBAX2LKxbU7Vp2OuV2HM2+ 3750 VLOVx0i+/Q7fikp3hbN1JwuMTU0v2KL/IKoUcZc02+5xiYrnOIt5 3751 -----END CERTIFICATE REQUEST-----` 3752 3753 func TestDuplicateExtensionsCSR(t *testing.T) { 3754 b, _ := pem.Decode([]byte(dupExtCSR)) 3755 if b == nil { 3756 t.Fatalf("couldn't decode test certificate") 3757 } 3758 _, err := ParseCertificateRequest(b.Bytes) 3759 if err == nil { 3760 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions") 3761 } 3762 }