Source file
src/crypto/x509/x509_test.go
1
2
3
4
5 package x509
6
7 import (
8 "bytes"
9 "crypto"
10 "crypto/dsa"
11 "crypto/ecdh"
12 "crypto/ecdsa"
13 "crypto/ed25519"
14 "crypto/elliptic"
15 "crypto/rand"
16 "crypto/rsa"
17 _ "crypto/sha256"
18 _ "crypto/sha512"
19 "crypto/x509/pkix"
20 "encoding/asn1"
21 "encoding/base64"
22 "encoding/gob"
23 "encoding/hex"
24 "encoding/pem"
25 "fmt"
26 "internal/testenv"
27 "io"
28 "math"
29 "math/big"
30 "net"
31 "net/url"
32 "os/exec"
33 "reflect"
34 "runtime"
35 "slices"
36 "strings"
37 "testing"
38 "time"
39 )
40
41 func TestParsePKCS1PrivateKey(t *testing.T) {
42 block, _ := pem.Decode([]byte(pemPrivateKey))
43 priv, err := ParsePKCS1PrivateKey(block.Bytes)
44 if err != nil {
45 t.Errorf("Failed to parse private key: %s", err)
46 return
47 }
48 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
49 priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
50 priv.D.Cmp(rsaPrivateKey.D) != 0 ||
51 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 ||
52 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 {
53 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
54 }
55
56
57
58 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00")
59 if _, err := ParsePKCS1PrivateKey(data); err == nil {
60 t.Errorf("parsing invalid private key did not result in an error")
61 }
62 }
63
64 func TestPKCS1MismatchPublicKeyFormat(t *testing.T) {
65
66 const pkixPublicKey = "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"
67 const errorContains = "use ParsePKIXPublicKey instead"
68 derBytes, _ := hex.DecodeString(pkixPublicKey)
69 _, err := ParsePKCS1PublicKey(derBytes)
70 if !strings.Contains(err.Error(), errorContains) {
71 t.Errorf("expected error containing %q, got %s", errorContains, err)
72 }
73 }
74
75 func TestMarshalInvalidPublicKey(t *testing.T) {
76 _, err := MarshalPKIXPublicKey(&ecdsa.PublicKey{})
77 if err == nil {
78 t.Errorf("expected error, got MarshalPKIXPublicKey success")
79 }
80 _, err = MarshalPKIXPublicKey(&ecdsa.PublicKey{
81 Curve: elliptic.P256(),
82 X: big.NewInt(1), Y: big.NewInt(2),
83 })
84 if err == nil {
85 t.Errorf("expected error, got MarshalPKIXPublicKey success")
86 }
87 }
88
89 func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) {
90 block, _ := pem.Decode([]byte(pemBytes))
91 pub, err := ParsePKIXPublicKey(block.Bytes)
92 if err != nil {
93 t.Fatalf("Failed to parse public key: %s", err)
94 }
95
96 pubBytes2, err := MarshalPKIXPublicKey(pub)
97 if err != nil {
98 t.Errorf("Failed to marshal public key for the second time: %s", err)
99 return
100 }
101 if !bytes.Equal(pubBytes2, block.Bytes) {
102 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes)
103 }
104 return
105 }
106
107 func TestParsePKIXPublicKey(t *testing.T) {
108 t.Run("RSA", func(t *testing.T) {
109 pub := testParsePKIXPublicKey(t, pemPublicKey)
110 _, ok := pub.(*rsa.PublicKey)
111 if !ok {
112 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key")
113 }
114 })
115 t.Run("Ed25519", func(t *testing.T) {
116 pub := testParsePKIXPublicKey(t, pemEd25519Key)
117 _, ok := pub.(ed25519.PublicKey)
118 if !ok {
119 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key")
120 }
121 })
122 t.Run("X25519", func(t *testing.T) {
123 pub := testParsePKIXPublicKey(t, pemX25519Key)
124 k, ok := pub.(*ecdh.PublicKey)
125 if !ok || k.Curve() != ecdh.X25519() {
126 t.Errorf("Value returned from ParsePKIXPublicKey was not an X25519 public key")
127 }
128 })
129 }
130
131 var pemPublicKey = `-----BEGIN PUBLIC KEY-----
132 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+
133 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k
134 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ
135 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg
136 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR
137 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ
138 +QIDAQAB
139 -----END PUBLIC KEY-----
140 `
141
142 var pemPrivateKey = testingKey(`
143 -----BEGIN RSA TESTING KEY-----
144 MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v
145 IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7
146 J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB
147 AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1
148 V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd
149 7gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R
150 vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12
151 33QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS
152 rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi
153 MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX
154 AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo
155 6vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6
156 wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY=
157 -----END RSA TESTING KEY-----
158 `)
159
160
161 var pemEd25519Key = `
162 -----BEGIN PUBLIC KEY-----
163 MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=
164 -----END PUBLIC KEY-----
165 `
166
167
168 var pemX25519Key = `
169 -----BEGIN PUBLIC KEY-----
170 MCowBQYDK2VuAyEA5yGXrH/6OzxuWEhEWS01/f4OP+Of3Yrddy6/J1kDTVM=
171 -----END PUBLIC KEY-----
172 `
173
174 func TestPKIXMismatchPublicKeyFormat(t *testing.T) {
175
176 const pkcs1PublicKey = "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"
177 const errorContains = "use ParsePKCS1PublicKey instead"
178 derBytes, _ := hex.DecodeString(pkcs1PublicKey)
179 _, err := ParsePKIXPublicKey(derBytes)
180 if !strings.Contains(err.Error(), errorContains) {
181 t.Errorf("expected error containing %q, got %s", errorContains, err)
182 }
183 }
184
185 var testPrivateKey *rsa.PrivateKey
186
187 func init() {
188 block, _ := pem.Decode([]byte(pemPrivateKey))
189
190 var err error
191 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil {
192 panic("Failed to parse private key: " + err.Error())
193 }
194 }
195
196 func bigFromString(s string) *big.Int {
197 ret := new(big.Int)
198 ret.SetString(s, 10)
199 return ret
200 }
201
202 func fromBase10(base10 string) *big.Int {
203 i := new(big.Int)
204 i.SetString(base10, 10)
205 return i
206 }
207
208 func bigFromHexString(s string) *big.Int {
209 ret := new(big.Int)
210 ret.SetString(s, 16)
211 return ret
212 }
213
214 var rsaPrivateKey = &rsa.PrivateKey{
215 PublicKey: rsa.PublicKey{
216 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"),
217 E: 65537,
218 },
219 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"),
220 Primes: []*big.Int{
221 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"),
222 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"),
223 },
224 }
225
226 func TestMarshalRSAPrivateKey(t *testing.T) {
227 priv := &rsa.PrivateKey{
228 PublicKey: rsa.PublicKey{
229 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
230 E: 3,
231 },
232 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
233 Primes: []*big.Int{
234 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
235 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
236 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
237 },
238 }
239
240 derBytes := MarshalPKCS1PrivateKey(priv)
241
242 priv2, err := ParsePKCS1PrivateKey(derBytes)
243 if err != nil {
244 t.Errorf("error parsing serialized key: %s", err)
245 return
246 }
247 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 ||
248 priv.PublicKey.E != priv2.PublicKey.E ||
249 priv.D.Cmp(priv2.D) != 0 ||
250 len(priv2.Primes) != 3 ||
251 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 ||
252 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 ||
253 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 {
254 t.Errorf("got:%+v want:%+v", priv, priv2)
255 }
256 }
257
258 func TestMarshalRSAPublicKey(t *testing.T) {
259 pub := &rsa.PublicKey{
260 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
261 E: 3,
262 }
263 derBytes := MarshalPKCS1PublicKey(pub)
264 pub2, err := ParsePKCS1PublicKey(derBytes)
265 if err != nil {
266 t.Errorf("ParsePKCS1PublicKey: %s", err)
267 }
268 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E {
269 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2)
270 }
271
272
273
274
275 derBytes2, err := asn1.Marshal(*pub)
276 if err != nil {
277 t.Errorf("Marshal(rsa.PublicKey): %v", err)
278 } else if !bytes.Equal(derBytes, derBytes2) {
279 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes)
280 }
281 pub3 := new(rsa.PublicKey)
282 rest, err := asn1.Unmarshal(derBytes, pub3)
283 if err != nil {
284 t.Errorf("Unmarshal(rsa.PublicKey): %v", err)
285 }
286 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E {
287 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil))
288 }
289
290 publicKeys := []struct {
291 derBytes []byte
292 expectedErrSubstr string
293 }{
294 {
295 derBytes: []byte{
296 0x30, 6,
297 0x02, 1,
298 17,
299 0x02, 1,
300 3,
301 },
302 }, {
303 derBytes: []byte{
304 0x30, 6,
305 0x02, 1,
306 0xff,
307 0x02, 1,
308 3,
309 },
310 expectedErrSubstr: "zero or negative",
311 }, {
312 derBytes: []byte{
313 0x30, 6,
314 0x02, 1,
315 17,
316 0x02, 1,
317 0xff,
318 },
319 expectedErrSubstr: "zero or negative",
320 }, {
321 derBytes: []byte{
322 0x30, 6,
323 0x02, 1,
324 17,
325 0x02, 1,
326 3,
327 1,
328 },
329 expectedErrSubstr: "trailing data",
330 }, {
331 derBytes: []byte{
332 0x30, 9,
333 0x02, 1,
334 17,
335 0x02, 4,
336 0x7f, 0xff, 0xff, 0xff,
337 },
338 }, {
339 derBytes: []byte{
340 0x30, 10,
341 0x02, 1,
342 17,
343 0x02, 5,
344 0x00, 0x80, 0x00, 0x00, 0x00,
345 },
346
347
348
349
350
351 expectedErrSubstr: "large",
352 },
353 }
354
355 for i, test := range publicKeys {
356 shouldFail := len(test.expectedErrSubstr) > 0
357 pub, err := ParsePKCS1PublicKey(test.derBytes)
358 if shouldFail {
359 if err == nil {
360 t.Errorf("#%d: unexpected success, got %#v", i, pub)
361 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) {
362 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err)
363 }
364 } else {
365 if err != nil {
366 t.Errorf("#%d: unexpected failure: %s", i, err)
367 continue
368 }
369 reserialized := MarshalPKCS1PublicKey(pub)
370 if !bytes.Equal(reserialized, test.derBytes) {
371 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes)
372 }
373 }
374 }
375 }
376
377 type matchHostnamesTest struct {
378 pattern, host string
379 ok bool
380 }
381
382 var matchHostnamesTests = []matchHostnamesTest{
383 {"a.b.c", "a.b.c", true},
384 {"a.b.c", "b.b.c", false},
385 {"", "b.b.c", false},
386 {"a.b.c", "", false},
387 {"example.com", "example.com", true},
388 {"example.com", "www.example.com", false},
389 {"*.example.com", "example.com", false},
390 {"*.example.com", "www.example.com", true},
391 {"*.example.com", "www.example.com.", true},
392 {"*.example.com", "xyz.www.example.com", false},
393 {"*.example.com", "https://www.example.com", false},
394 {"*.example..com", "www.example..com", false},
395 {"www.example..com", "www.example..com", true},
396 {"*.*.example.com", "xyz.www.example.com", false},
397 {"*.www.*.com", "xyz.www.example.com", false},
398 {"*bar.example.com", "foobar.example.com", false},
399 {"f*.example.com", "foobar.example.com", false},
400 {"www.example.com", "*.example.com", false},
401 {"", ".", false},
402 {".", "", false},
403 {".", ".", false},
404 {"example.com", "example.com.", true},
405 {"example.com.", "example.com", false},
406 {"example.com.", "example.com.", true},
407 {"*.com.", "example.com.", false},
408 {"*.com.", "example.com", false},
409 {"*.com", "example.com", true},
410 {"*.com", "example.com.", true},
411 {"foo:bar", "foo:bar", true},
412 {"*.foo:bar", "xxx.foo:bar", false},
413 {"*.2.3.4", "1.2.3.4", false},
414 {"*.2.3.4", "[1.2.3.4]", false},
415 {"*:4860:4860::8888", "2001:4860:4860::8888", false},
416 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false},
417 {"2001:4860:4860::8888", "2001:4860:4860::8888", false},
418 {"2001:4860:4860::8888", "[2001:4860:4860::8888]", false},
419 {"[2001:4860:4860::8888]", "2001:4860:4860::8888", false},
420 {"[2001:4860:4860::8888]", "[2001:4860:4860::8888]", false},
421 }
422
423 func TestMatchHostnames(t *testing.T) {
424 for i, test := range matchHostnamesTests {
425 c := &Certificate{DNSNames: []string{test.pattern}}
426 r := c.VerifyHostname(test.host) == nil
427 if r != test.ok {
428 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern)
429 }
430 }
431 }
432
433 func TestMatchIP(t *testing.T) {
434
435 c := &Certificate{
436 DNSNames: []string{"*.foo.bar.baz"},
437 Subject: pkix.Name{
438 CommonName: "*.foo.bar.baz",
439 },
440 }
441 err := c.VerifyHostname("quux.foo.bar.baz")
442 if err != nil {
443 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err)
444 }
445
446
447
448 c = &Certificate{
449 DNSNames: []string{"*.2.3.4"},
450 Subject: pkix.Name{
451 CommonName: "*.2.3.4",
452 },
453 }
454 err = c.VerifyHostname("1.2.3.4")
455 if err == nil {
456 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not")
457 }
458
459 c = &Certificate{
460 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
461 }
462 err = c.VerifyHostname("127.0.0.1")
463 if err != nil {
464 t.Fatalf("VerifyHostname(127.0.0.1): %v", err)
465 }
466 err = c.VerifyHostname("::1")
467 if err != nil {
468 t.Fatalf("VerifyHostname(::1): %v", err)
469 }
470 err = c.VerifyHostname("[::1]")
471 if err != nil {
472 t.Fatalf("VerifyHostname([::1]): %v", err)
473 }
474 }
475
476 func TestCertificateParse(t *testing.T) {
477 s, _ := base64.StdEncoding.DecodeString(certBytes)
478 certs, err := ParseCertificates(s)
479 if err != nil {
480 t.Error(err)
481 }
482 if len(certs) != 2 {
483 t.Errorf("Wrong number of certs: got %d want 2", len(certs))
484 return
485 }
486
487 err = certs[0].CheckSignatureFrom(certs[1])
488 if err != nil {
489 t.Error(err)
490 }
491
492 if err := certs[0].VerifyHostname("mail.google.com"); err != nil {
493 t.Error(err)
494 }
495
496 const expectedExtensions = 10
497 if n := len(certs[0].Extensions); n != expectedExtensions {
498 t.Errorf("want %d extensions, got %d", expectedExtensions, n)
499 }
500 }
501
502 func TestCertificateEqualOnNil(t *testing.T) {
503 cNonNil := new(Certificate)
504 var cNil1, cNil2 *Certificate
505 if !cNil1.Equal(cNil2) {
506 t.Error("Nil certificates: cNil1 is not equal to cNil2")
507 }
508 if !cNil2.Equal(cNil1) {
509 t.Error("Nil certificates: cNil2 is not equal to cNil1")
510 }
511 if cNil1.Equal(cNonNil) {
512 t.Error("Unexpectedly cNil1 is equal to cNonNil")
513 }
514 if cNonNil.Equal(cNil1) {
515 t.Error("Unexpectedly cNonNil is equal to cNil1")
516 }
517 }
518
519 func TestMismatchedSignatureAlgorithm(t *testing.T) {
520 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM))
521 if der == nil {
522 t.Fatal("Failed to find PEM block")
523 }
524
525 cert, err := ParseCertificate(der.Bytes)
526 if err != nil {
527 t.Fatal(err)
528 }
529
530 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil {
531 t.Fatal("CheckSignature unexpectedly return no error")
532 }
533
534 const expectedSubstring = " but have public key of type "
535 if !strings.Contains(err.Error(), expectedSubstring) {
536 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err)
537 }
538 }
539
540 var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" +
541 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" +
542 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" +
543 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" +
544 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" +
545 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" +
546 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" +
547 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" +
548 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" +
549 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" +
550 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" +
551 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" +
552 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" +
553 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" +
554 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" +
555 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" +
556 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" +
557 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" +
558 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" +
559 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" +
560 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" +
561 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" +
562 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" +
563 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" +
564 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" +
565 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" +
566 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" +
567 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" +
568 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" +
569 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" +
570 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" +
571 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" +
572 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" +
573 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" +
574 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" +
575 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" +
576 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" +
577 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" +
578 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" +
579 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" +
580 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" +
581 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" +
582 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" +
583 "t63yr/tQri/hlQ3zRq2dnPXK"
584
585 func parseCIDR(s string) *net.IPNet {
586 _, net, err := net.ParseCIDR(s)
587 if err != nil {
588 panic(err)
589 }
590 return net
591 }
592
593 func parseURI(s string) *url.URL {
594 uri, err := url.Parse(s)
595 if err != nil {
596 panic(err)
597 }
598 return uri
599 }
600
601 func TestCreateSelfSignedCertificate(t *testing.T) {
602 random := rand.Reader
603
604 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
605 if err != nil {
606 t.Fatalf("Failed to generate ECDSA key: %s", err)
607 }
608
609 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random)
610 if err != nil {
611 t.Fatalf("Failed to generate Ed25519 key: %s", err)
612 }
613
614 tests := []struct {
615 name string
616 pub, priv any
617 checkSig bool
618 sigAlgo SignatureAlgorithm
619 }{
620 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA},
621 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
622 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA},
623 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256},
624 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS},
625 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS},
626 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
627 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519},
628 }
629
630 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth}
631 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}}
632 extraExtensionData := []byte("extra extension")
633
634 for _, test := range tests {
635 commonName := "test.example.com"
636 template := Certificate{
637 SerialNumber: big.NewInt(1),
638 Subject: pkix.Name{
639 CommonName: commonName,
640 Organization: []string{"Σ Acme Co"},
641 Country: []string{"US"},
642 ExtraNames: []pkix.AttributeTypeAndValue{
643 {
644 Type: []int{2, 5, 4, 42},
645 Value: "Gopher",
646 },
647
648 {
649 Type: []int{2, 5, 4, 6},
650 Value: "NL",
651 },
652 },
653 },
654 NotBefore: time.Unix(1000, 0),
655 NotAfter: time.Unix(100000, 0),
656
657 SignatureAlgorithm: test.sigAlgo,
658
659 SubjectKeyId: []byte{1, 2, 3, 4},
660 KeyUsage: KeyUsageCertSign,
661
662 ExtKeyUsage: testExtKeyUsage,
663 UnknownExtKeyUsage: testUnknownExtKeyUsage,
664
665 BasicConstraintsValid: true,
666 IsCA: true,
667
668 OCSPServer: []string{"http://ocsp.example.com"},
669 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"},
670
671 DNSNames: []string{"test.example.com"},
672 EmailAddresses: []string{"gopher@golang.org"},
673 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
674 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")},
675
676 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
677 Policies: []OID{mustNewOIDFromInts(t, []uint64{1, 2, 3, math.MaxUint32, math.MaxUint64})},
678 PermittedDNSDomains: []string{".example.com", "example.com"},
679 ExcludedDNSDomains: []string{"bar.example.com"},
680 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")},
681 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")},
682 PermittedEmailAddresses: []string{"foo@example.com"},
683 ExcludedEmailAddresses: []string{".example.com", "example.com"},
684 PermittedURIDomains: []string{".bar.com", "bar.com"},
685 ExcludedURIDomains: []string{".bar2.com", "bar2.com"},
686
687 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"},
688
689 ExtraExtensions: []pkix.Extension{
690 {
691 Id: []int{1, 2, 3, 4},
692 Value: extraExtensionData,
693 },
694
695 {
696 Id: oidExtensionSubjectKeyId,
697 Critical: false,
698 Value: []byte{0x04, 0x04, 4, 3, 2, 1},
699 },
700 },
701 }
702
703 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv)
704 if err != nil {
705 t.Errorf("%s: failed to create certificate: %s", test.name, err)
706 continue
707 }
708
709 cert, err := ParseCertificate(derBytes)
710 if err != nil {
711 t.Errorf("%s: failed to parse certificate: %s", test.name, err)
712 continue
713 }
714
715 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) {
716 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers)
717 }
718
719 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" {
720 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains)
721 }
722
723 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" {
724 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains)
725 }
726
727 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" {
728 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges)
729 }
730
731 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" {
732 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges)
733 }
734
735 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" {
736 t.Errorf("%s: failed to parse permitted email addresses: %#v", test.name, cert.PermittedEmailAddresses)
737 }
738
739 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" {
740 t.Errorf("%s: failed to parse excluded email addresses: %#v", test.name, cert.ExcludedEmailAddresses)
741 }
742
743 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" {
744 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains)
745 }
746
747 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" {
748 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains)
749 }
750
751 if cert.Subject.CommonName != commonName {
752 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName)
753 }
754
755 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" {
756 t.Errorf("%s: ExtraNames didn't override Country", test.name)
757 }
758
759 for _, ext := range cert.Extensions {
760 if ext.Id.Equal(oidExtensionSubjectAltName) {
761 if ext.Critical {
762 t.Fatal("SAN extension is marked critical")
763 }
764 }
765 }
766
767 found := false
768 for _, atv := range cert.Subject.Names {
769 if atv.Type.Equal([]int{2, 5, 4, 42}) {
770 found = true
771 break
772 }
773 }
774 if !found {
775 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name)
776 }
777
778 if cert.Issuer.CommonName != commonName {
779 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName)
780 }
781
782 if cert.SignatureAlgorithm != test.sigAlgo {
783 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo)
784 }
785
786 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) {
787 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage)
788 }
789
790 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) {
791 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage)
792 }
793
794 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) {
795 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer)
796 }
797
798 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
799 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL)
800 }
801
802 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) {
803 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames)
804 }
805
806 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) {
807 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses)
808 }
809
810 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" {
811 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs)
812 }
813
814 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) {
815 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses)
816 }
817
818 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
819 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints)
820 }
821
822 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) {
823 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name)
824 }
825
826 if !bytes.Contains(derBytes, extraExtensionData) {
827 t.Errorf("%s: didn't find extra extension in DER output", test.name)
828 }
829
830 if test.checkSig {
831 err = cert.CheckSignatureFrom(cert)
832 if err != nil {
833 t.Errorf("%s: signature verification failed: %s", test.name, err)
834 }
835 }
836 }
837 }
838
839
840 var ecdsaSHA1CertPem = `
841 -----BEGIN CERTIFICATE-----
842 MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET
843 MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG
844 A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
845 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw
846 WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
847 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg
848 SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv
849 bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn
850 WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3
851 P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2
852 DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV
853 a/A=
854 -----END CERTIFICATE-----
855 `
856
857
858 var ecdsaSHA256p256CertPem = `
859 -----BEGIN CERTIFICATE-----
860 MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx
861 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT
862 BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh
863 BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx
864 NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp
865 Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs
866 IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn
867 b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt
868 2ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm
869 YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV
870 70twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ
871 h5wi
872 -----END CERTIFICATE-----
873 `
874
875
876 var ecdsaSHA256p384CertPem = `
877 -----BEGIN CERTIFICATE-----
878 MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx
879 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
880 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
881 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0
882 WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
883 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
884 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
885 YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK
886 jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze
887 qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI
888 zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr
889 PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh
890 3yILeYQzllt/g0rKVRk=
891 -----END CERTIFICATE-----
892 `
893
894
895 var ecdsaSHA384p521CertPem = `
896 -----BEGIN CERTIFICATE-----
897 MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx
898 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
899 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
900 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5
901 WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
902 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
903 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
904 YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv
905 IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz
906 PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm
907 8FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw
908 gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH
909 BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh
910 kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa
911 -----END CERTIFICATE-----
912 `
913
914 var ecdsaTests = []struct {
915 sigAlgo SignatureAlgorithm
916 pemCert string
917 }{
918 {ECDSAWithSHA256, ecdsaSHA256p256CertPem},
919 {ECDSAWithSHA256, ecdsaSHA256p384CertPem},
920 {ECDSAWithSHA384, ecdsaSHA384p521CertPem},
921 }
922
923 func TestECDSA(t *testing.T) {
924 for i, test := range ecdsaTests {
925 pemBlock, _ := pem.Decode([]byte(test.pemCert))
926 cert, err := ParseCertificate(pemBlock.Bytes)
927 if err != nil {
928 t.Errorf("%d: failed to parse certificate: %s", i, err)
929 continue
930 }
931 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo {
932 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo)
933 }
934 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok {
935 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey)
936 }
937 if pka := cert.PublicKeyAlgorithm; pka != ECDSA {
938 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka)
939 }
940 if err = cert.CheckSignatureFrom(cert); err != nil {
941 t.Errorf("%d: certificate verification failed: %s", i, err)
942 }
943 }
944 }
945
946
947 var dsaCertPem = `-----BEGIN CERTIFICATE-----
948 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC
949 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds
950 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs
951 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5
952 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG
953 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3
954 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB
955 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN
956 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW
957 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5
958 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC
959 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz
960 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE
961 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5
962 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c
963 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud
964 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11
965 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w
966 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK
967 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx
968 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI
969 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM
970 -----END CERTIFICATE-----
971 `
972
973 func TestParseCertificateWithDsaPublicKey(t *testing.T) {
974 expectedKey := &dsa.PublicKey{
975 Parameters: dsa.Parameters{
976 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"),
977 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"),
978 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"),
979 },
980 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"),
981 }
982 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
983 cert, err := ParseCertificate(pemBlock.Bytes)
984 if err != nil {
985 t.Fatalf("Failed to parse certificate: %s", err)
986 }
987 if cert.PublicKeyAlgorithm != DSA {
988 t.Errorf("Parsed key algorithm was not DSA")
989 }
990 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey)
991 if !ok {
992 t.Fatalf("Parsed key was not a DSA key: %s", err)
993 }
994 if expectedKey.Y.Cmp(parsedKey.Y) != 0 ||
995 expectedKey.P.Cmp(parsedKey.P) != 0 ||
996 expectedKey.Q.Cmp(parsedKey.Q) != 0 ||
997 expectedKey.G.Cmp(parsedKey.G) != 0 {
998 t.Fatal("Parsed key differs from expected key")
999 }
1000 }
1001
1002 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) {
1003 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1004 cert, err := ParseCertificate(pemBlock.Bytes)
1005 if err != nil {
1006 t.Fatalf("Failed to parse certificate: %s", err)
1007 }
1008 if cert.SignatureAlgorithm != DSAWithSHA1 {
1009 t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
1010 }
1011 }
1012
1013 func TestVerifyCertificateWithDSASignature(t *testing.T) {
1014 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1015 cert, err := ParseCertificate(pemBlock.Bytes)
1016 if err != nil {
1017 t.Fatalf("Failed to parse certificate: %s", err)
1018 }
1019
1020 if err = cert.CheckSignatureFrom(cert); err == nil {
1021 t.Fatalf("Expected error verifying DSA certificate")
1022 }
1023 }
1024
1025 var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE-----
1026 MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA
1027 oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC
1028 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1029 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1030 U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC
1031 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1032 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1033 U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST
1034 8nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl
1035 yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W
1036 PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj
1037 7TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT
1038 UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn
1039 defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK
1040 bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es
1041 yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS
1042 7nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek
1043 tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE
1044 qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV
1045 Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP
1046 fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg
1047 hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC
1048 AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n
1049 li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR
1050 TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3
1051 kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66
1052 U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c
1053 15gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv
1054 C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN
1055 2BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO
1056 FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9
1057 qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2
1058 +f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q==
1059 -----END CERTIFICATE-----`
1060
1061
1062
1063
1064
1065 var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE-----
1066 MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI
1067 AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV
1068 BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx
1069 DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF
1070 MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK
1071 DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
1072 CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp
1073 qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj
1074 TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM
1075 +ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0
1076 iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G
1077 RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg
1078 gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw
1079 DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa
1080 MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe
1081 WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s
1082 Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/
1083 656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6
1084 wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w
1085 Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J
1086 +w9fjQ==
1087 -----END CERTIFICATE-----`
1088
1089 func TestRSAPSSSelfSigned(t *testing.T) {
1090 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} {
1091 der, _ := pem.Decode([]byte(pemBlock))
1092 if der == nil {
1093 t.Errorf("#%d: failed to find PEM block", i)
1094 continue
1095 }
1096
1097 cert, err := ParseCertificate(der.Bytes)
1098 if err != nil {
1099 t.Errorf("#%d: failed to parse: %s", i, err)
1100 continue
1101 }
1102
1103 if err = cert.CheckSignatureFrom(cert); err != nil {
1104 t.Errorf("#%d: signature check failed: %s", i, err)
1105 continue
1106 }
1107 }
1108 }
1109
1110 const ed25519Certificate = `
1111 Certificate:
1112 Data:
1113 Version: 3 (0x2)
1114 Serial Number:
1115 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92
1116 Signature Algorithm: ED25519
1117 Issuer: CN = Ed25519 test certificate
1118 Validity
1119 Not Before: May 6 17:27:16 2019 GMT
1120 Not After : Jun 5 17:27:16 2019 GMT
1121 Subject: CN = Ed25519 test certificate
1122 Subject Public Key Info:
1123 Public Key Algorithm: ED25519
1124 ED25519 Public-Key:
1125 pub:
1126 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70:
1127 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a:
1128 3c:fa
1129 X509v3 extensions:
1130 X509v3 Subject Key Identifier:
1131 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1132 X509v3 Authority Key Identifier:
1133 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1134
1135 X509v3 Basic Constraints: critical
1136 CA:TRUE
1137 Signature Algorithm: ED25519
1138 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5:
1139 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5:
1140 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc:
1141 60:b9:d4:f4:78:4b:3c:1c:91:00
1142 -----BEGIN CERTIFICATE-----
1143 MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf
1144 BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa
1145 Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp
1146 Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6
1147 o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU
1148 CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT
1149 pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U
1150 GtKoKNxgudT0eEs8HJEA
1151 -----END CERTIFICATE-----`
1152
1153 func TestEd25519SelfSigned(t *testing.T) {
1154 der, _ := pem.Decode([]byte(ed25519Certificate))
1155 if der == nil {
1156 t.Fatalf("Failed to find PEM block")
1157 }
1158
1159 cert, err := ParseCertificate(der.Bytes)
1160 if err != nil {
1161 t.Fatalf("Failed to parse: %s", err)
1162 }
1163
1164 if cert.PublicKeyAlgorithm != Ed25519 {
1165 t.Fatalf("Parsed key algorithm was not Ed25519")
1166 }
1167 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey)
1168 if !ok {
1169 t.Fatalf("Parsed key was not an Ed25519 key: %s", err)
1170 }
1171 if len(parsedKey) != ed25519.PublicKeySize {
1172 t.Fatalf("Invalid Ed25519 key")
1173 }
1174
1175 if err = cert.CheckSignatureFrom(cert); err != nil {
1176 t.Fatalf("Signature check failed: %s", err)
1177 }
1178 }
1179
1180 const pemCertificate = `-----BEGIN CERTIFICATE-----
1181 MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw
1182 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2
1183 MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
1184 ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4
1185 jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH
1186 qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK
1187 yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB
1188 EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I
1189 5Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF
1190 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC
1191 EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7
1192 X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6
1193 1fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai
1194 /mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy
1195 fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH
1196 KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5
1197 EhLrEqU=
1198 -----END CERTIFICATE-----`
1199
1200 const ed25519CRLCertificate = `
1201 Certificate:
1202 Data:
1203 Version: 3 (0x2)
1204 Serial Number:
1205 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d
1206 Signature Algorithm: ED25519
1207 Issuer: CN = Ed25519 CRL Test CA
1208 Validity
1209 Not Before: Oct 30 01:20:20 2019 GMT
1210 Not After : Dec 31 23:59:59 9999 GMT
1211 Subject: CN = Ed25519 CRL Test CA
1212 Subject Public Key Info:
1213 Public Key Algorithm: ED25519
1214 ED25519 Public-Key:
1215 pub:
1216 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df:
1217 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f:
1218 75:21
1219 X509v3 extensions:
1220 X509v3 Key Usage: critical
1221 Digital Signature, Certificate Sign, CRL Sign
1222 X509v3 Extended Key Usage:
1223 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing
1224 X509v3 Basic Constraints: critical
1225 CA:TRUE
1226 X509v3 Subject Key Identifier:
1227 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1228 X509v3 Authority Key Identifier:
1229 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1230
1231 Signature Algorithm: ED25519
1232 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e:
1233 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5:
1234 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1:
1235 ee:68:76:17:1d:90:cc:92:93:07
1236 -----BEGIN CERTIFICATE-----
1237 MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE
1238 AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz
1239 MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl
1240 cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud
1241 DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF
1242 BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK
1243 gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+
1244 FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA
1245 9mDH0e5odhcdkMySkwc=
1246 -----END CERTIFICATE-----`
1247
1248 var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY-----
1249 MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG
1250 -----END TEST KEY-----`)
1251
1252 func TestCRLCreation(t *testing.T) {
1253 block, _ := pem.Decode([]byte(pemPrivateKey))
1254 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes)
1255 block, _ = pem.Decode([]byte(pemCertificate))
1256 certRSA, _ := ParseCertificate(block.Bytes)
1257
1258 block, _ = pem.Decode([]byte(ed25519CRLKey))
1259 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes)
1260 block, _ = pem.Decode([]byte(ed25519CRLCertificate))
1261 certEd25519, _ := ParseCertificate(block.Bytes)
1262
1263 tests := []struct {
1264 name string
1265 priv any
1266 cert *Certificate
1267 }{
1268 {"RSA CA", privRSA, certRSA},
1269 {"Ed25519 CA", privEd25519, certEd25519},
1270 }
1271
1272 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds()))
1273
1274 now := time.Unix(1000, 0).In(loc)
1275 nowUTC := now.UTC()
1276 expiry := time.Unix(10000, 0)
1277
1278 revokedCerts := []pkix.RevokedCertificate{
1279 {
1280 SerialNumber: big.NewInt(1),
1281 RevocationTime: nowUTC,
1282 },
1283 {
1284 SerialNumber: big.NewInt(42),
1285
1286 RevocationTime: now,
1287 },
1288 }
1289 expectedCerts := []pkix.RevokedCertificate{
1290 {
1291 SerialNumber: big.NewInt(1),
1292 RevocationTime: nowUTC,
1293 },
1294 {
1295 SerialNumber: big.NewInt(42),
1296 RevocationTime: nowUTC,
1297 },
1298 }
1299
1300 for _, test := range tests {
1301 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry)
1302 if err != nil {
1303 t.Errorf("%s: error creating CRL: %s", test.name, err)
1304 }
1305
1306 parsedCRL, err := ParseDERCRL(crlBytes)
1307 if err != nil {
1308 t.Errorf("%s: error reparsing CRL: %s", test.name, err)
1309 }
1310 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) {
1311 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name,
1312 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts)
1313 }
1314 }
1315 }
1316
1317 func fromBase64(in string) []byte {
1318 out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
1319 n, err := base64.StdEncoding.Decode(out, []byte(in))
1320 if err != nil {
1321 panic("failed to base64 decode")
1322 }
1323 return out[:n]
1324 }
1325
1326 func TestParseDERCRL(t *testing.T) {
1327 derBytes := fromBase64(derCRLBase64)
1328 certList, err := ParseDERCRL(derBytes)
1329 if err != nil {
1330 t.Errorf("error parsing: %s", err)
1331 return
1332 }
1333 numCerts := len(certList.TBSCertList.RevokedCertificates)
1334 expected := 88
1335 if numCerts != expected {
1336 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1337 }
1338
1339 if certList.HasExpired(time.Unix(1302517272, 0)) {
1340 t.Errorf("CRL has expired (but shouldn't have)")
1341 }
1342
1343
1344 }
1345
1346 func TestCRLWithoutExpiry(t *testing.T) {
1347 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh")
1348 certList, err := ParseDERCRL(derBytes)
1349 if err != nil {
1350 t.Fatal(err)
1351 }
1352 if !certList.TBSCertList.NextUpdate.IsZero() {
1353 t.Errorf("NextUpdate is not the zero value")
1354 }
1355 }
1356
1357 func TestParsePEMCRL(t *testing.T) {
1358 pemBytes := fromBase64(pemCRLBase64)
1359 certList, err := ParseCRL(pemBytes)
1360 if err != nil {
1361 t.Errorf("error parsing: %s", err)
1362 return
1363 }
1364 numCerts := len(certList.TBSCertList.RevokedCertificates)
1365 expected := 2
1366 if numCerts != expected {
1367 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1368 }
1369
1370 if certList.HasExpired(time.Unix(1302517272, 0)) {
1371 t.Errorf("CRL has expired (but shouldn't have)")
1372 }
1373
1374
1375 }
1376
1377 func TestImports(t *testing.T) {
1378 if testing.Short() {
1379 t.Skip("skipping in -short mode")
1380 }
1381 testenv.MustHaveGoRun(t)
1382
1383 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil {
1384 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out)
1385 }
1386 }
1387
1388 const derCRLBase64 = "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"
1389
1390 const pemCRLBase64 = "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"
1391
1392 func TestCreateCertificateRequest(t *testing.T) {
1393 random := rand.Reader
1394
1395 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
1396 if err != nil {
1397 t.Fatalf("Failed to generate ECDSA key: %s", err)
1398 }
1399
1400 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
1401 if err != nil {
1402 t.Fatalf("Failed to generate ECDSA key: %s", err)
1403 }
1404
1405 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
1406 if err != nil {
1407 t.Fatalf("Failed to generate ECDSA key: %s", err)
1408 }
1409
1410 _, ed25519Priv, err := ed25519.GenerateKey(random)
1411 if err != nil {
1412 t.Fatalf("Failed to generate Ed25519 key: %s", err)
1413 }
1414
1415 tests := []struct {
1416 name string
1417 priv any
1418 sigAlgo SignatureAlgorithm
1419 }{
1420 {"RSA", testPrivateKey, SHA256WithRSA},
1421 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256},
1422 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256},
1423 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256},
1424 {"Ed25519", ed25519Priv, PureEd25519},
1425 }
1426
1427 for _, test := range tests {
1428 template := CertificateRequest{
1429 Subject: pkix.Name{
1430 CommonName: "test.example.com",
1431 Organization: []string{"Σ Acme Co"},
1432 },
1433 SignatureAlgorithm: test.sigAlgo,
1434 DNSNames: []string{"test.example.com"},
1435 EmailAddresses: []string{"gopher@golang.org"},
1436 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
1437 }
1438
1439 derBytes, err := CreateCertificateRequest(random, &template, test.priv)
1440 if err != nil {
1441 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1442 continue
1443 }
1444
1445 out, err := ParseCertificateRequest(derBytes)
1446 if err != nil {
1447 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1448 continue
1449 }
1450
1451 err = out.CheckSignature()
1452 if err != nil {
1453 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err)
1454 continue
1455 }
1456
1457 if out.Subject.CommonName != template.Subject.CommonName {
1458 t.Errorf("%s: output subject common name and template subject common name don't match", test.name)
1459 } else if len(out.Subject.Organization) != len(template.Subject.Organization) {
1460 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name)
1461 } else if len(out.DNSNames) != len(template.DNSNames) {
1462 t.Errorf("%s: output DNS names and template DNS names don't match", test.name)
1463 } else if len(out.EmailAddresses) != len(template.EmailAddresses) {
1464 t.Errorf("%s: output email addresses and template email addresses don't match", test.name)
1465 } else if len(out.IPAddresses) != len(template.IPAddresses) {
1466 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name)
1467 }
1468 }
1469 }
1470
1471 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest {
1472 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey)
1473 if err != nil {
1474 t.Fatal(err)
1475 }
1476
1477 csr, err := ParseCertificateRequest(derBytes)
1478 if err != nil {
1479 t.Fatal(err)
1480 }
1481
1482 return csr
1483 }
1484
1485 func TestCertificateRequestOverrides(t *testing.T) {
1486 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil)
1487 if err != nil {
1488 t.Fatal(err)
1489 }
1490
1491 template := CertificateRequest{
1492 Subject: pkix.Name{
1493 CommonName: "test.example.com",
1494 Organization: []string{"Σ Acme Co"},
1495 },
1496 DNSNames: []string{"test.example.com"},
1497
1498
1499
1500 ExtraExtensions: []pkix.Extension{
1501 {
1502 Id: oidExtensionSubjectAltName,
1503 Value: sanContents,
1504 Critical: true,
1505 },
1506 },
1507 }
1508
1509 csr := marshalAndParseCSR(t, &template)
1510
1511 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" {
1512 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames)
1513 }
1514
1515 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical {
1516 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions)
1517 }
1518
1519
1520
1521
1522
1523 template.Attributes = []pkix.AttributeTypeAndValueSET{
1524 {
1525 Type: oidExtensionRequest,
1526 Value: [][]pkix.AttributeTypeAndValue{
1527 {
1528 {
1529 Type: oidExtensionAuthorityInfoAccess,
1530 Value: []byte("foo"),
1531 },
1532 },
1533 },
1534 },
1535 }
1536
1537 csr = marshalAndParseCSR(t, &template)
1538 if l := len(csr.Attributes); l != 1 {
1539 t.Errorf("incorrect number of attributes: %d\n", l)
1540 }
1541
1542 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) ||
1543 len(csr.Attributes[0].Value) != 1 ||
1544 len(csr.Attributes[0].Value[0]) != 2 {
1545 t.Errorf("bad attributes: %#v\n", csr.Attributes)
1546 }
1547
1548 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil)
1549 if err != nil {
1550 t.Fatal(err)
1551 }
1552
1553
1554 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{
1555 Type: oidExtensionSubjectAltName,
1556 Value: sanContents2,
1557 })
1558
1559 csr = marshalAndParseCSR(t, &template)
1560
1561 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" {
1562 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames)
1563 }
1564 }
1565
1566 func TestParseCertificateRequest(t *testing.T) {
1567 for _, csrBase64 := range csrBase64Array {
1568 csrBytes := fromBase64(csrBase64)
1569 csr, err := ParseCertificateRequest(csrBytes)
1570 if err != nil {
1571 t.Fatalf("failed to parse CSR: %s", err)
1572 }
1573
1574 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" {
1575 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses)
1576 }
1577
1578 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" {
1579 t.Errorf("incorrect DNS names found: %v", csr.DNSNames)
1580 }
1581
1582 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" {
1583 t.Errorf("incorrect Subject name: %v", csr.Subject)
1584 }
1585
1586 found := false
1587 for _, e := range csr.Extensions {
1588 if e.Id.Equal(oidExtensionBasicConstraints) {
1589 found = true
1590 break
1591 }
1592 }
1593 if !found {
1594 t.Errorf("basic constraints extension not found in CSR")
1595 }
1596 }
1597 }
1598
1599 func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) {
1600
1601
1602 const csrBase64 = "MIICrTCCAZUCAQIwMzEgMB4GA1UEAwwXU0NFUCBDQSBmb3IgRGV2ZWxlciBTcmwxDzANBgNVBAsMBjQzNTk3MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALFMAJ7Zy9YyfgbNlbUWAW0LalNRMPs7aXmLANsCpjhnw3lLlfDPaLeWyKh1nK5I5ojaJOW6KIOSAcJkDUe3rrE0wR0RVt3UxArqs0R/ND3u5Q+bDQY2X1HAFUHzUzcdm5JRAIA355v90teMckaWAIlkRQjDE22Lzc6NAl64KOd1rqOUNj8+PfX6fSo20jm94Pp1+a6mfk3G/RUWVuSm7owO5DZI/Fsi2ijdmb4NUar6K/bDKYTrDFkzcqAyMfP3TitUtBp19Mp3B1yAlHjlbp/r5fSSXfOGHZdgIvp0WkLuK2u5eQrX5l7HMB/5epgUs3HQxKY6ljhh5wAjDwz//LsCAwEAAaA1MDMGCSqGSIb3DQEJDjEmMCQwEgYDVR0TAQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8EBAMCAoQwDQYJKoZIhvcNAQEFBQADggEBAAMq3bxJSPQEgzLYR/yaVvgjCDrc3zUbIwdOis6Go06Q4RnjH5yRaSZAqZQTDsPurQcnz2I39VMGEiSkFJFavf4QHIZ7QFLkyXadMtALc87tm17Ej719SbHcBSSZayR9VYJUNXRLayI6HvyUrmqcMKh+iX3WY3ICr59/wlM0tYa8DYN4yzmOa2Onb29gy3YlaF5A2AKAMmk003cRT9gY26mjpv7d21czOSSeNyVIoZ04IR9ee71vWTMdv0hu/af5kSjQ+ZG5/Qgc0+mnECLz/1gtxt1srLYbtYQ/qAY8oX1DCSGFS61tN/vl+4cxGMD/VGcGzADRLRHSlVqy2Qgss6Q="
1603
1604 csrBytes := fromBase64(csrBase64)
1605 csr, err := ParseCertificateRequest(csrBytes)
1606 if err != nil {
1607 t.Fatalf("failed to parse CSR: %s", err)
1608 }
1609
1610 expected := []struct {
1611 Id asn1.ObjectIdentifier
1612 Value []byte
1613 }{
1614 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")},
1615 {oidExtensionKeyUsage, fromBase64("AwIChA==")},
1616 }
1617
1618 if n := len(csr.Extensions); n != len(expected) {
1619 t.Fatalf("expected to find %d extensions but found %d", len(expected), n)
1620 }
1621
1622 for i, extension := range csr.Extensions {
1623 if !extension.Id.Equal(expected[i].Id) {
1624 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id)
1625 }
1626
1627 if !bytes.Equal(extension.Value, expected[i].Value) {
1628 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value)
1629 }
1630 }
1631 }
1632
1633
1634
1635 func serialiseAndParse(t *testing.T, template *Certificate) *Certificate {
1636 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey)
1637 if err != nil {
1638 t.Fatalf("failed to create certificate: %s", err)
1639 return nil
1640 }
1641
1642 cert, err := ParseCertificate(derBytes)
1643 if err != nil {
1644 t.Fatalf("failed to parse certificate: %s", err)
1645 return nil
1646 }
1647
1648 return cert
1649 }
1650
1651 func TestMaxPathLenNotCA(t *testing.T) {
1652 template := &Certificate{
1653 SerialNumber: big.NewInt(1),
1654 Subject: pkix.Name{
1655 CommonName: "Σ Acme Co",
1656 },
1657 NotBefore: time.Unix(1000, 0),
1658 NotAfter: time.Unix(100000, 0),
1659
1660 BasicConstraintsValid: true,
1661 IsCA: false,
1662 }
1663 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1664 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m)
1665 }
1666
1667 template.MaxPathLen = -1
1668 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1669 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m)
1670 }
1671
1672 template.MaxPathLen = 5
1673 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1674 t.Error("specifying a MaxPathLen when IsCA is false should fail")
1675 }
1676
1677 template.MaxPathLen = 0
1678 template.MaxPathLenZero = true
1679 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1680 t.Error("setting MaxPathLenZero when IsCA is false should fail")
1681 }
1682
1683 template.BasicConstraintsValid = false
1684 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 {
1685 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m)
1686 }
1687 }
1688
1689 func TestMaxPathLen(t *testing.T) {
1690 template := &Certificate{
1691 SerialNumber: big.NewInt(1),
1692 Subject: pkix.Name{
1693 CommonName: "Σ Acme Co",
1694 },
1695 NotBefore: time.Unix(1000, 0),
1696 NotAfter: time.Unix(100000, 0),
1697
1698 BasicConstraintsValid: true,
1699 IsCA: true,
1700 }
1701
1702 cert1 := serialiseAndParse(t, template)
1703 if m := cert1.MaxPathLen; m != -1 {
1704 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m)
1705 }
1706 if cert1.MaxPathLenZero {
1707 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero")
1708 }
1709
1710 template.MaxPathLen = 1
1711 cert2 := serialiseAndParse(t, template)
1712 if m := cert2.MaxPathLen; m != 1 {
1713 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m)
1714 }
1715 if cert2.MaxPathLenZero {
1716 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero")
1717 }
1718
1719 template.MaxPathLen = 0
1720 template.MaxPathLenZero = true
1721 cert3 := serialiseAndParse(t, template)
1722 if m := cert3.MaxPathLen; m != 0 {
1723 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m)
1724 }
1725 if !cert3.MaxPathLenZero {
1726 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero")
1727 }
1728 }
1729
1730 func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) {
1731 template := &Certificate{
1732 SerialNumber: big.NewInt(1),
1733 Subject: pkix.Name{
1734 CommonName: "Σ Acme Co",
1735 },
1736 NotBefore: time.Unix(1000, 0),
1737 NotAfter: time.Unix(100000, 0),
1738
1739 BasicConstraintsValid: true,
1740 IsCA: true,
1741 SubjectKeyId: []byte{1, 2, 3, 4},
1742 }
1743
1744 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 {
1745 t.Fatalf("self-signed certificate contained default authority key id")
1746 }
1747
1748 template.AuthorityKeyId = []byte{1, 2, 3, 4}
1749 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 {
1750 t.Fatalf("self-signed certificate erased explicit authority key id")
1751 }
1752 }
1753
1754 func TestNoSubjectKeyIdInCert(t *testing.T) {
1755 template := &Certificate{
1756 SerialNumber: big.NewInt(1),
1757 Subject: pkix.Name{
1758 CommonName: "Σ Acme Co",
1759 },
1760 NotBefore: time.Unix(1000, 0),
1761 NotAfter: time.Unix(100000, 0),
1762
1763 BasicConstraintsValid: true,
1764 IsCA: true,
1765 }
1766 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1767 t.Fatalf("self-signed certificate did not generate subject key id using the public key")
1768 }
1769
1770 template.IsCA = false
1771 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 {
1772 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA")
1773 }
1774
1775 template.SubjectKeyId = []byte{1, 2, 3, 4}
1776 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1777 t.Fatalf("self-signed certificate erased explicit subject key id")
1778 }
1779 }
1780
1781 func TestASN1BitLength(t *testing.T) {
1782 tests := []struct {
1783 bytes []byte
1784 bitLen int
1785 }{
1786 {nil, 0},
1787 {[]byte{0x00}, 0},
1788 {[]byte{0x00, 0x00}, 0},
1789 {[]byte{0xf0}, 4},
1790 {[]byte{0x88}, 5},
1791 {[]byte{0xff}, 8},
1792 {[]byte{0xff, 0x80}, 9},
1793 {[]byte{0xff, 0x81}, 16},
1794 }
1795
1796 for i, test := range tests {
1797 if got := asn1BitLength(test.bytes); got != test.bitLen {
1798 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen)
1799 }
1800 }
1801 }
1802
1803 func TestVerifyEmptyCertificate(t *testing.T) {
1804 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed {
1805 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed)
1806 }
1807 }
1808
1809 func TestInsecureAlgorithmErrorString(t *testing.T) {
1810 tests := []struct {
1811 sa SignatureAlgorithm
1812 want string
1813 }{
1814 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"},
1815 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA (temporarily override with GODEBUG=x509sha1=1)"},
1816 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1 (temporarily override with GODEBUG=x509sha1=1)"},
1817 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm MD2-RSA"},
1818 {-1, "x509: cannot verify signature: insecure algorithm -1"},
1819 {0, "x509: cannot verify signature: insecure algorithm 0"},
1820 {9999, "x509: cannot verify signature: insecure algorithm 9999"},
1821 }
1822 for i, tt := range tests {
1823 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want {
1824 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want)
1825 }
1826 }
1827 }
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842 var csrBase64Array = [...]string{
1843
1844 "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",
1845
1846 "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",
1847 }
1848
1849 var md5cert = `
1850 -----BEGIN CERTIFICATE-----
1851 MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB
1852 VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx
1853 MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE
1854 CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB
1855 BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf
1856 Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs
1857 cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB
1858 AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY
1859 cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw
1860 GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa
1861 qViorq4=
1862 -----END CERTIFICATE-----
1863 `
1864
1865 func TestMD5(t *testing.T) {
1866 pemBlock, _ := pem.Decode([]byte(md5cert))
1867 cert, err := ParseCertificate(pemBlock.Bytes)
1868 if err != nil {
1869 t.Fatalf("failed to parse certificate: %s", err)
1870 }
1871 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA {
1872 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA)
1873 }
1874 if err = cert.CheckSignatureFrom(cert); err == nil {
1875 t.Fatalf("certificate verification succeeded incorrectly")
1876 }
1877 if _, ok := err.(InsecureAlgorithmError); !ok {
1878 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1879 }
1880 }
1881
1882 func TestSHA1(t *testing.T) {
1883 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem))
1884 cert, err := ParseCertificate(pemBlock.Bytes)
1885 if err != nil {
1886 t.Fatalf("failed to parse certificate: %s", err)
1887 }
1888 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 {
1889 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1)
1890 }
1891 if err = cert.CheckSignatureFrom(cert); err == nil {
1892 t.Fatalf("certificate verification succeeded incorrectly")
1893 }
1894 if _, ok := err.(InsecureAlgorithmError); !ok {
1895 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1896 }
1897
1898 t.Setenv("GODEBUG", "x509sha1=1")
1899 if err = cert.CheckSignatureFrom(cert); err != nil {
1900 t.Fatalf("SHA-1 certificate did not verify with GODEBUG=x509sha1=1: %v", err)
1901 }
1902 }
1903
1904
1905
1906 const certMissingRSANULL = `
1907 -----BEGIN CERTIFICATE-----
1908 MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD
1909 bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4
1910 MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc
1911 MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG
1912 hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE
1913 ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e
1914 E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw
1915 DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A
1916 p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4
1917 hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE
1918 GFGNEH5PlGffo05wc46QkYU=
1919 -----END CERTIFICATE-----`
1920
1921 func TestRSAMissingNULLParameters(t *testing.T) {
1922 block, _ := pem.Decode([]byte(certMissingRSANULL))
1923 if _, err := ParseCertificate(block.Bytes); err == nil {
1924 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter")
1925 } else if !strings.Contains(err.Error(), "missing NULL") {
1926 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err)
1927 }
1928 }
1929
1930 const certISOOID = `
1931 -----BEGIN CERTIFICATE-----
1932 MIIB5TCCAVKgAwIBAgIQtwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN
1933 BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx
1934 DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH
1935 GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86
1936 BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw
1937 5O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw
1938 OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW
1939 V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE
1940 J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2
1941 NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu
1942 MCRtdSdaM7g3
1943 -----END CERTIFICATE-----`
1944
1945 func TestISOOIDInCertificate(t *testing.T) {
1946 block, _ := pem.Decode([]byte(certISOOID))
1947 if cert, err := ParseCertificate(block.Bytes); err != nil {
1948 t.Errorf("certificate with ISO OID failed to parse: %s", err)
1949 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm {
1950 t.Errorf("ISO OID not recognised in certificate")
1951 }
1952 }
1953
1954
1955
1956
1957 const certMultipleRDN = `
1958 -----BEGIN CERTIFICATE-----
1959 MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz
1960 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j
1961 YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz
1962 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy
1963 dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw
1964 MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB
1965 BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM
1966 098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf
1967 HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv
1968 oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI
1969 zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/
1970 y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G
1971 A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF
1972 BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw
1973 b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE
1974 BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln
1975 b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu
1976 c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp
1977 Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292
1978 LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda
1979 gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY
1980 PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ
1981 KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y
1982 BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5
1983 ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9
1984 9C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R
1985 uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd
1986 La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF
1987 DF72IUofoVt7wo0=
1988 -----END CERTIFICATE-----`
1989
1990 func TestMultipleRDN(t *testing.T) {
1991 block, _ := pem.Decode([]byte(certMultipleRDN))
1992 cert, err := ParseCertificate(block.Bytes)
1993 if err != nil {
1994 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err)
1995 }
1996
1997 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want {
1998 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want)
1999 }
2000
2001 if want := "1236484010010"; cert.Subject.SerialNumber != want {
2002 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want)
2003 }
2004 }
2005
2006 func TestSystemCertPool(t *testing.T) {
2007 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
2008 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)")
2009 }
2010 a, err := SystemCertPool()
2011 if err != nil {
2012 t.Fatal(err)
2013 }
2014 b, err := SystemCertPool()
2015 if err != nil {
2016 t.Fatal(err)
2017 }
2018 if !certPoolEqual(a, b) {
2019 t.Fatal("two calls to SystemCertPool had different results")
2020 }
2021 if ok := b.AppendCertsFromPEM([]byte(`
2022 -----BEGIN CERTIFICATE-----
2023 MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw
2024 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2
2025 MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2026 ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf
2027 cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD
2028 yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM
2029 jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01
2030 IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl
2031 VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF
2032 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC
2033 FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR
2034 BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs
2035 1cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub
2036 YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI
2037 gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq
2038 N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6
2039 pa/O1nF0AfWOpw==
2040 -----END CERTIFICATE-----
2041 `)); !ok {
2042 t.Fatal("AppendCertsFromPEM failed")
2043 }
2044 if reflect.DeepEqual(a, b) {
2045 t.Fatal("changing one pool modified the other")
2046 }
2047 }
2048
2049 const emptyNameConstraintsPEM = `
2050 -----BEGIN CERTIFICATE-----
2051 MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2052 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2053 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2054 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2055 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2056 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2057 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2058 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2059 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2060 AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH
2061 QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb
2062 6L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H
2063 v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M
2064 LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga
2065 nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8
2066 o+WoY6IsCKXV/g==
2067 -----END CERTIFICATE-----`
2068
2069 func TestEmptyNameConstraints(t *testing.T) {
2070 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM))
2071 _, err := ParseCertificate(block.Bytes)
2072 if err == nil {
2073 t.Fatal("unexpected success")
2074 }
2075
2076 const expected = "empty name constraints"
2077 if str := err.Error(); !strings.Contains(str, expected) {
2078 t.Errorf("expected %q in error but got %q", expected, str)
2079 }
2080 }
2081
2082 func TestPKIXNameString(t *testing.T) {
2083 der, err := base64.StdEncoding.DecodeString(certBytes)
2084 if err != nil {
2085 t.Fatal(err)
2086 }
2087 certs, err := ParseCertificates(der)
2088 if err != nil {
2089 t.Fatal(err)
2090 }
2091
2092
2093 rdns := pkix.Name{
2094 Locality: []string{"Gophertown"},
2095 ExtraNames: []pkix.AttributeTypeAndValue{
2096 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2097 }.ToRDNSequence()
2098 nn := pkix.Name{}
2099 nn.FillFromRDNSequence(&rdns)
2100
2101
2102 extra := []pkix.AttributeTypeAndValue{
2103 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}}
2104 extraNotNil := pkix.Name{
2105 Locality: []string{"Gophertown"},
2106 ExtraNames: extra[:0],
2107 Names: []pkix.AttributeTypeAndValue{
2108 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2109 }
2110
2111 tests := []struct {
2112 dn pkix.Name
2113 want string
2114 }{
2115 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2116 {extraNotNil, "L=Gophertown"},
2117 {pkix.Name{
2118 CommonName: "Steve Kille",
2119 Organization: []string{"Isode Limited"},
2120 OrganizationalUnit: []string{"RFCs"},
2121 Locality: []string{"Richmond"},
2122 Province: []string{"Surrey"},
2123 StreetAddress: []string{"The Square"},
2124 PostalCode: []string{"TW9 1DT"},
2125 SerialNumber: "RFC 2253",
2126 Country: []string{"GB"},
2127 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"},
2128 {certs[0].Subject,
2129 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"},
2130 {pkix.Name{
2131 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "},
2132 Country: []string{"US"},
2133 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"},
2134 {pkix.Name{
2135 CommonName: "foo.com",
2136 Organization: []string{"Gopher Industries"},
2137 ExtraNames: []pkix.AttributeTypeAndValue{
2138 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}},
2139 }, "CN=bar.com,O=Gopher Industries"},
2140 {pkix.Name{
2141 Locality: []string{"Gophertown"},
2142 ExtraNames: []pkix.AttributeTypeAndValue{
2143 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2144 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2145
2146 {pkix.Name{
2147 Locality: []string{"Gophertown"},
2148 Names: []pkix.AttributeTypeAndValue{
2149 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2150 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2151
2152 {pkix.Name{
2153 Locality: []string{"Gophertown"},
2154 ExtraNames: []pkix.AttributeTypeAndValue{
2155 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2156 Names: []pkix.AttributeTypeAndValue{
2157 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}},
2158 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2159 }
2160
2161 for i, test := range tests {
2162 if got := test.dn.String(); got != test.want {
2163 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2164 }
2165 }
2166
2167 if extra[0].Value != "backing array" {
2168 t.Errorf("the backing array of an empty ExtraNames got modified by String")
2169 }
2170 }
2171
2172 func TestRDNSequenceString(t *testing.T) {
2173
2174
2175
2176 var (
2177 oidCountry = []int{2, 5, 4, 6}
2178 oidOrganization = []int{2, 5, 4, 10}
2179 oidOrganizationalUnit = []int{2, 5, 4, 11}
2180 oidCommonName = []int{2, 5, 4, 3}
2181 )
2182
2183 tests := []struct {
2184 seq pkix.RDNSequence
2185 want string
2186 }{
2187 {
2188 seq: pkix.RDNSequence{
2189 pkix.RelativeDistinguishedNameSET{
2190 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"},
2191 },
2192 pkix.RelativeDistinguishedNameSET{
2193 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."},
2194 },
2195 pkix.RelativeDistinguishedNameSET{
2196 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"},
2197 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"},
2198 },
2199 },
2200 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US",
2201 },
2202 }
2203
2204 for i, test := range tests {
2205 if got := test.seq.String(); got != test.want {
2206 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2207 }
2208 }
2209 }
2210
2211 const criticalNameConstraintWithUnknownTypePEM = `
2212 -----BEGIN CERTIFICATE-----
2213 MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2214 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2215 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2216 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2217 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2218 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2219 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2220 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2221 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2222 AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A
2223 AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy
2224 im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ
2225 Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl
2226 eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA
2227 /drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO
2228 ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV
2229 /g==
2230 -----END CERTIFICATE-----`
2231
2232 func TestCriticalNameConstraintWithUnknownType(t *testing.T) {
2233 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM))
2234 cert, err := ParseCertificate(block.Bytes)
2235 if err != nil {
2236 t.Fatalf("unexpected parsing failure: %s", err)
2237 }
2238
2239 if l := len(cert.UnhandledCriticalExtensions); l != 1 {
2240 t.Fatalf("expected one unhandled critical extension, but found %d", l)
2241 }
2242 }
2243
2244 const badIPMaskPEM = `
2245 -----BEGIN CERTIFICATE-----
2246 MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk
2247 IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow
2248 FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2249 ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+
2250 8DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj
2251 cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn
2252 cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j
2253 TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa
2254 OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg
2255 DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B
2256 IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV
2257 EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7
2258 VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh
2259 E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a
2260 Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI
2261 pdX+
2262 -----END CERTIFICATE-----`
2263
2264 func TestBadIPMask(t *testing.T) {
2265 block, _ := pem.Decode([]byte(badIPMaskPEM))
2266 _, err := ParseCertificate(block.Bytes)
2267 if err == nil {
2268 t.Fatalf("unexpected success")
2269 }
2270
2271 const expected = "contained invalid mask"
2272 if !strings.Contains(err.Error(), expected) {
2273 t.Fatalf("expected %q in error but got: %s", expected, err)
2274 }
2275 }
2276
2277 const additionalGeneralSubtreePEM = `
2278 -----BEGIN CERTIFICATE-----
2279 MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw
2280 bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2281 MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg
2282 QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow
2283 bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT
2284 GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC
2285 cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW
2286 4kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M
2287 8FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD
2288 dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs
2289 Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/
2290 rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG
2291 Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr
2292 BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w
2293 N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw
2294 AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs
2295 aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK
2296 YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl
2297 Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH
2298 AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv
2299 MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k
2300 ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw
2301 LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2302 gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE
2303 EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB
2304 AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA
2305 A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng
2306 5YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB
2307 dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn
2308 6OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6
2309 8vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE
2310 u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW
2311 i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc
2312 fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo
2313 QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq
2314 nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD
2315 xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw==
2316 -----END CERTIFICATE-----`
2317
2318 func TestAdditionFieldsInGeneralSubtree(t *testing.T) {
2319
2320
2321
2322 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM))
2323 if _, err := ParseCertificate(block.Bytes); err != nil {
2324 t.Fatalf("failed to parse certificate: %s", err)
2325 }
2326 }
2327
2328 func TestEmptySubject(t *testing.T) {
2329 template := Certificate{
2330 SerialNumber: big.NewInt(1),
2331 DNSNames: []string{"example.com"},
2332 }
2333
2334 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2335 if err != nil {
2336 t.Fatalf("failed to create certificate: %s", err)
2337 }
2338
2339 cert, err := ParseCertificate(derBytes)
2340 if err != nil {
2341 t.Fatalf("failed to parse certificate: %s", err)
2342 }
2343
2344 for _, ext := range cert.Extensions {
2345 if ext.Id.Equal(oidExtensionSubjectAltName) {
2346 if !ext.Critical {
2347 t.Fatal("SAN extension is not critical")
2348 }
2349 return
2350 }
2351 }
2352
2353 t.Fatal("SAN extension is missing")
2354 }
2355
2356
2357
2358 const multipleURLsInCRLDPPEM = `
2359 -----BEGIN CERTIFICATE-----
2360 MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB
2361 8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy
2362 dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1
2363 YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3
2364 dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh
2365 IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD
2366 LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG
2367 EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg
2368 Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj
2369 YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA
2370 A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y
2371 TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak
2372 YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL
2373 Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW
2374 jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ
2375 OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV
2376 HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI
2377 oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w
2378 gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93
2379 d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1
2380 ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg
2381 YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h
2382 b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF
2383 BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn
2384 aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v
2385 ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA
2386 A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL
2387 PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex
2388 3Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu
2389 labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6
2390 oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+
2391 eVxXDTCfs7GUlxnjOp5j559X/N0A
2392 -----END CERTIFICATE-----
2393 `
2394
2395 func TestMultipleURLsInCRLDP(t *testing.T) {
2396 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM))
2397 cert, err := ParseCertificate(block.Bytes)
2398 if err != nil {
2399 t.Fatalf("failed to parse certificate: %s", err)
2400 }
2401
2402 want := []string{
2403 "http://epscd.catcert.net/crl/ec-acc.crl",
2404 "http://epscd2.catcert.net/crl/ec-acc.crl",
2405 }
2406 if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) {
2407 t.Errorf("CRL distribution points = %#v, want #%v", got, want)
2408 }
2409 }
2410
2411 const hexPKCS1TestPKCS8Key = "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"
2412 const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50"
2413
2414 var pkcs1MismatchKeyTests = []struct {
2415 hexKey string
2416 errorContains string
2417 }{
2418 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"},
2419 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"},
2420 }
2421
2422 func TestPKCS1MismatchKeyFormat(t *testing.T) {
2423 for i, test := range pkcs1MismatchKeyTests {
2424 derBytes, _ := hex.DecodeString(test.hexKey)
2425 _, err := ParsePKCS1PrivateKey(derBytes)
2426 if !strings.Contains(err.Error(), test.errorContains) {
2427 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
2428 }
2429 }
2430 }
2431
2432 func TestCreateRevocationList(t *testing.T) {
2433 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2434 if err != nil {
2435 t.Fatalf("Failed to generate ECDSA P256 key: %s", err)
2436 }
2437 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader)
2438 if err != nil {
2439 t.Fatalf("Failed to generate Ed25519 key: %s", err)
2440 }
2441
2442
2443
2444 utf8CAStr := "MIIEITCCAwmgAwIBAgIUXHXy7NdtDv+ClaHvIvlwCYiI4a4wDQYJKoZIhvcNAQELBQAwgZoxCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1TYW4gRnJhbmNpc2NvMR8wHQYDVQQKDBZJbnRlcm5ldCBXaWRnZXRzLCBJbmMuMQwwCgYDVQQLDANXV1cxDTALBgNVBAMMBFJvb3QxIDAeBgkqhkiG9w0BCQEWEWFkbWluQGV4YW1wbGUuY29tMB4XDTIyMDcwODE1MzgyMFoXDTIzMDcwODE1MzgyMFowgZoxCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQHDA1TYW4gRnJhbmNpc2NvMR8wHQYDVQQKDBZJbnRlcm5ldCBXaWRnZXRzLCBJbmMuMQwwCgYDVQQLDANXV1cxDTALBgNVBAMMBFJvb3QxIDAeBgkqhkiG9w0BCQEWEWFkbWluQGV4YW1wbGUuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmXvp0WNjsZzySWT7Ce5zewQNKq8ujeZGphJ44Vdrwut/b6TcC4iYENds5+7/3PYwBllp3K5TRpCcafSxdhJsvA7/zWlHHNRcJhJLNt9qsKWP6ukI2Iw6OmFMg6kJQ8f67RXkT8HR3v0UqE+lWrA0g+oRuj4erLtfOtSpnl4nsE/Rs2qxbELFWAf7F5qMqH4dUyveWKrNT8eI6YQN+wBg0MAjoKRvDJnBhuo+IvvXX8Aq1QWUcBGPK3or/Ehxy5f/gEmSUXyEU1Ht/vATt2op+eRaEEpBdGRvO+DrKjlcQV2XMN18A9LAX6hCzH43sGye87dj7RZ9yj+waOYNaM7kFQIDAQABo10wWzAdBgNVHQ4EFgQUtbSlrW4hGL2kNjviM6wcCRwvOEEwHwYDVR0jBBgwFoAUtbSlrW4hGL2kNjviM6wcCRwvOEEwDAYDVR0TBAUwAwEB/zALBgNVHQ8EBAMCAbYwDQYJKoZIhvcNAQELBQADggEBAAko82YNNI2n/45L3ya21vufP6nZihIOIxgcRPUMX+IDJZk16qsFdcLgH3KAP8uiVLn8sULuCj35HpViR4IcAk2d+DqfG11l8kY+e5P7nYsViRfy0AatF59/sYlWf+3RdmPXfL70x4mE9OqlMdDm0kR2obps8rng83VLDNvj3R5sBnQwdw6LKLGzaE+RiCTmkH0+P6vnbOJ33su9+9al1+HvJUg3UM1Xq5Bw7TE8DQTetMV3c2Q35RQaJB9pQ4blJOnW9hfnt8yQzU6TU1bU4mRctTm1o1f8btPqUpi+/blhi5MUJK0/myj1XD00pmyfp8QAFl1EfqmTMIBMLg633A0="
2445 utf8CABytes, _ := base64.StdEncoding.DecodeString(utf8CAStr)
2446 utf8CA, _ := ParseCertificate(utf8CABytes)
2447
2448 utf8KeyStr := "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"
2449 utf8KeyBytes, _ := base64.StdEncoding.DecodeString(utf8KeyStr)
2450 utf8KeyRaw, _ := ParsePKCS8PrivateKey(utf8KeyBytes)
2451 utf8Key := utf8KeyRaw.(crypto.Signer)
2452
2453 tests := []struct {
2454 name string
2455 key crypto.Signer
2456 issuer *Certificate
2457 template *RevocationList
2458 expectedError string
2459 }{
2460 {
2461 name: "nil template",
2462 key: ec256Priv,
2463 issuer: nil,
2464 template: nil,
2465 expectedError: "x509: template can not be nil",
2466 },
2467 {
2468 name: "nil issuer",
2469 key: ec256Priv,
2470 issuer: nil,
2471 template: &RevocationList{},
2472 expectedError: "x509: issuer can not be nil",
2473 },
2474 {
2475 name: "issuer doesn't have crlSign key usage bit set",
2476 key: ec256Priv,
2477 issuer: &Certificate{
2478 KeyUsage: KeyUsageCertSign,
2479 },
2480 template: &RevocationList{},
2481 expectedError: "x509: issuer must have the crlSign key usage bit set",
2482 },
2483 {
2484 name: "issuer missing SubjectKeyId",
2485 key: ec256Priv,
2486 issuer: &Certificate{
2487 KeyUsage: KeyUsageCRLSign,
2488 },
2489 template: &RevocationList{},
2490 expectedError: "x509: issuer certificate doesn't contain a subject key identifier",
2491 },
2492 {
2493 name: "nextUpdate before thisUpdate",
2494 key: ec256Priv,
2495 issuer: &Certificate{
2496 KeyUsage: KeyUsageCRLSign,
2497 Subject: pkix.Name{
2498 CommonName: "testing",
2499 },
2500 SubjectKeyId: []byte{1, 2, 3},
2501 },
2502 template: &RevocationList{
2503 ThisUpdate: time.Time{}.Add(time.Hour),
2504 NextUpdate: time.Time{},
2505 },
2506 expectedError: "x509: template.ThisUpdate is after template.NextUpdate",
2507 },
2508 {
2509 name: "nil Number",
2510 key: ec256Priv,
2511 issuer: &Certificate{
2512 KeyUsage: KeyUsageCRLSign,
2513 Subject: pkix.Name{
2514 CommonName: "testing",
2515 },
2516 SubjectKeyId: []byte{1, 2, 3},
2517 },
2518 template: &RevocationList{
2519 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2520 NextUpdate: time.Time{}.Add(time.Hour * 48),
2521 },
2522 expectedError: "x509: template contains nil Number field",
2523 },
2524 {
2525 name: "long Number",
2526 key: ec256Priv,
2527 issuer: &Certificate{
2528 KeyUsage: KeyUsageCRLSign,
2529 Subject: pkix.Name{
2530 CommonName: "testing",
2531 },
2532 SubjectKeyId: []byte{1, 2, 3},
2533 },
2534 template: &RevocationList{
2535 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2536 NextUpdate: time.Time{}.Add(time.Hour * 48),
2537 Number: big.NewInt(0).SetBytes(append([]byte{1}, make([]byte, 20)...)),
2538 },
2539 expectedError: "x509: CRL number exceeds 20 octets",
2540 },
2541 {
2542 name: "long Number (20 bytes, MSB set)",
2543 key: ec256Priv,
2544 issuer: &Certificate{
2545 KeyUsage: KeyUsageCRLSign,
2546 Subject: pkix.Name{
2547 CommonName: "testing",
2548 },
2549 SubjectKeyId: []byte{1, 2, 3},
2550 },
2551 template: &RevocationList{
2552 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2553 NextUpdate: time.Time{}.Add(time.Hour * 48),
2554 Number: big.NewInt(0).SetBytes(append([]byte{255}, make([]byte, 19)...)),
2555 },
2556 expectedError: "x509: CRL number exceeds 20 octets",
2557 },
2558 {
2559 name: "invalid signature algorithm",
2560 key: ec256Priv,
2561 issuer: &Certificate{
2562 KeyUsage: KeyUsageCRLSign,
2563 Subject: pkix.Name{
2564 CommonName: "testing",
2565 },
2566 SubjectKeyId: []byte{1, 2, 3},
2567 },
2568 template: &RevocationList{
2569 SignatureAlgorithm: SHA256WithRSA,
2570 RevokedCertificates: []pkix.RevokedCertificate{
2571 {
2572 SerialNumber: big.NewInt(2),
2573 RevocationTime: time.Time{}.Add(time.Hour),
2574 },
2575 },
2576 Number: big.NewInt(5),
2577 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2578 NextUpdate: time.Time{}.Add(time.Hour * 48),
2579 },
2580 expectedError: "x509: requested SignatureAlgorithm does not match private key type",
2581 },
2582 {
2583 name: "valid",
2584 key: ec256Priv,
2585 issuer: &Certificate{
2586 KeyUsage: KeyUsageCRLSign,
2587 Subject: pkix.Name{
2588 CommonName: "testing",
2589 },
2590 SubjectKeyId: []byte{1, 2, 3},
2591 },
2592 template: &RevocationList{
2593 RevokedCertificateEntries: []RevocationListEntry{
2594 {
2595 SerialNumber: big.NewInt(2),
2596 RevocationTime: time.Time{}.Add(time.Hour),
2597 },
2598 },
2599 Number: big.NewInt(5),
2600 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2601 NextUpdate: time.Time{}.Add(time.Hour * 48),
2602 },
2603 },
2604 {
2605 name: "valid, reason code",
2606 key: ec256Priv,
2607 issuer: &Certificate{
2608 KeyUsage: KeyUsageCRLSign,
2609 Subject: pkix.Name{
2610 CommonName: "testing",
2611 },
2612 SubjectKeyId: []byte{1, 2, 3},
2613 },
2614 template: &RevocationList{
2615 RevokedCertificateEntries: []RevocationListEntry{
2616 {
2617 SerialNumber: big.NewInt(2),
2618 RevocationTime: time.Time{}.Add(time.Hour),
2619 ReasonCode: 1,
2620 },
2621 },
2622 Number: big.NewInt(5),
2623 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2624 NextUpdate: time.Time{}.Add(time.Hour * 48),
2625 },
2626 },
2627 {
2628 name: "valid, extra entry extension",
2629 key: ec256Priv,
2630 issuer: &Certificate{
2631 KeyUsage: KeyUsageCRLSign,
2632 Subject: pkix.Name{
2633 CommonName: "testing",
2634 },
2635 SubjectKeyId: []byte{1, 2, 3},
2636 },
2637 template: &RevocationList{
2638 RevokedCertificateEntries: []RevocationListEntry{
2639 {
2640 SerialNumber: big.NewInt(2),
2641 RevocationTime: time.Time{}.Add(time.Hour),
2642 ExtraExtensions: []pkix.Extension{
2643 {
2644 Id: []int{2, 5, 29, 99},
2645 Value: []byte{5, 0},
2646 },
2647 },
2648 },
2649 },
2650 Number: big.NewInt(5),
2651 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2652 NextUpdate: time.Time{}.Add(time.Hour * 48),
2653 },
2654 },
2655 {
2656 name: "valid, Ed25519 key",
2657 key: ed25519Priv,
2658 issuer: &Certificate{
2659 KeyUsage: KeyUsageCRLSign,
2660 Subject: pkix.Name{
2661 CommonName: "testing",
2662 },
2663 SubjectKeyId: []byte{1, 2, 3},
2664 },
2665 template: &RevocationList{
2666 RevokedCertificateEntries: []RevocationListEntry{
2667 {
2668 SerialNumber: big.NewInt(2),
2669 RevocationTime: time.Time{}.Add(time.Hour),
2670 },
2671 },
2672 Number: big.NewInt(5),
2673 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2674 NextUpdate: time.Time{}.Add(time.Hour * 48),
2675 },
2676 },
2677 {
2678 name: "valid, non-default signature algorithm",
2679 key: ec256Priv,
2680 issuer: &Certificate{
2681 KeyUsage: KeyUsageCRLSign,
2682 Subject: pkix.Name{
2683 CommonName: "testing",
2684 },
2685 SubjectKeyId: []byte{1, 2, 3},
2686 },
2687 template: &RevocationList{
2688 SignatureAlgorithm: ECDSAWithSHA512,
2689 RevokedCertificateEntries: []RevocationListEntry{
2690 {
2691 SerialNumber: big.NewInt(2),
2692 RevocationTime: time.Time{}.Add(time.Hour),
2693 },
2694 },
2695 Number: big.NewInt(5),
2696 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2697 NextUpdate: time.Time{}.Add(time.Hour * 48),
2698 },
2699 },
2700 {
2701 name: "valid, extra extension",
2702 key: ec256Priv,
2703 issuer: &Certificate{
2704 KeyUsage: KeyUsageCRLSign,
2705 Subject: pkix.Name{
2706 CommonName: "testing",
2707 },
2708 SubjectKeyId: []byte{1, 2, 3},
2709 },
2710 template: &RevocationList{
2711 RevokedCertificateEntries: []RevocationListEntry{
2712 {
2713 SerialNumber: big.NewInt(2),
2714 RevocationTime: time.Time{}.Add(time.Hour),
2715 },
2716 },
2717 Number: big.NewInt(5),
2718 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2719 NextUpdate: time.Time{}.Add(time.Hour * 48),
2720 ExtraExtensions: []pkix.Extension{
2721 {
2722 Id: []int{2, 5, 29, 99},
2723 Value: []byte{5, 0},
2724 },
2725 },
2726 },
2727 },
2728 {
2729 name: "valid, deprecated entries with extension",
2730 key: ec256Priv,
2731 issuer: &Certificate{
2732 KeyUsage: KeyUsageCRLSign,
2733 Subject: pkix.Name{
2734 CommonName: "testing",
2735 },
2736 SubjectKeyId: []byte{1, 2, 3},
2737 },
2738 template: &RevocationList{
2739 RevokedCertificates: []pkix.RevokedCertificate{
2740 {
2741 SerialNumber: big.NewInt(2),
2742 RevocationTime: time.Time{}.Add(time.Hour),
2743 Extensions: []pkix.Extension{
2744 {
2745 Id: []int{2, 5, 29, 99},
2746 Value: []byte{5, 0},
2747 },
2748 },
2749 },
2750 },
2751 Number: big.NewInt(5),
2752 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2753 NextUpdate: time.Time{}.Add(time.Hour * 48),
2754 },
2755 },
2756 {
2757 name: "valid, empty list",
2758 key: ec256Priv,
2759 issuer: &Certificate{
2760 KeyUsage: KeyUsageCRLSign,
2761 Subject: pkix.Name{
2762 CommonName: "testing",
2763 },
2764 SubjectKeyId: []byte{1, 2, 3},
2765 },
2766 template: &RevocationList{
2767 Number: big.NewInt(5),
2768 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2769 NextUpdate: time.Time{}.Add(time.Hour * 48),
2770 },
2771 },
2772 {
2773 name: "valid CA with utf8 Subject fields including Email, empty list",
2774 key: utf8Key,
2775 issuer: utf8CA,
2776 template: &RevocationList{
2777 Number: big.NewInt(5),
2778 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2779 NextUpdate: time.Time{}.Add(time.Hour * 48),
2780 },
2781 },
2782 }
2783
2784 for _, tc := range tests {
2785 t.Run(tc.name, func(t *testing.T) {
2786 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key)
2787 if err != nil && tc.expectedError == "" {
2788 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err)
2789 } else if err != nil && tc.expectedError != err.Error() {
2790 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err)
2791 } else if err == nil && tc.expectedError != "" {
2792 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError)
2793 }
2794 if tc.expectedError != "" {
2795 return
2796 }
2797
2798 parsedCRL, err := ParseRevocationList(crl)
2799 if err != nil {
2800 t.Fatalf("Failed to parse generated CRL: %s", err)
2801 }
2802
2803 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm &&
2804 parsedCRL.SignatureAlgorithm != tc.template.SignatureAlgorithm {
2805 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm,
2806 tc.template.SignatureAlgorithm)
2807 }
2808
2809 if len(tc.template.RevokedCertificates) > 0 {
2810 if !reflect.DeepEqual(parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) {
2811 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.",
2812 parsedCRL.RevokedCertificates, tc.template.RevokedCertificates)
2813 }
2814 } else {
2815 if len(parsedCRL.RevokedCertificateEntries) != len(tc.template.RevokedCertificateEntries) {
2816 t.Fatalf("RevokedCertificateEntries length mismatch: got %d; want %d.",
2817 len(parsedCRL.RevokedCertificateEntries),
2818 len(tc.template.RevokedCertificateEntries))
2819 }
2820 for i, rce := range parsedCRL.RevokedCertificateEntries {
2821 expected := tc.template.RevokedCertificateEntries[i]
2822 if rce.SerialNumber.Cmp(expected.SerialNumber) != 0 {
2823 t.Fatalf("RevocationListEntry serial mismatch: got %d; want %d.",
2824 rce.SerialNumber, expected.SerialNumber)
2825 }
2826 if !rce.RevocationTime.Equal(expected.RevocationTime) {
2827 t.Fatalf("RevocationListEntry revocation time mismatch: got %v; want %v.",
2828 rce.RevocationTime, expected.RevocationTime)
2829 }
2830 if rce.ReasonCode != expected.ReasonCode {
2831 t.Fatalf("RevocationListEntry reason code mismatch: got %d; want %d.",
2832 rce.ReasonCode, expected.ReasonCode)
2833 }
2834 }
2835 }
2836
2837 if len(parsedCRL.Extensions) != 2+len(tc.template.ExtraExtensions) {
2838 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.Extensions))
2839 }
2840 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId})
2841 if err != nil {
2842 t.Fatalf("asn1.Marshal failed: %s", err)
2843 }
2844 akiExt := pkix.Extension{
2845 Id: oidExtensionAuthorityKeyId,
2846 Value: expectedAKI,
2847 }
2848 if !reflect.DeepEqual(parsedCRL.Extensions[0], akiExt) {
2849 t.Fatalf("Unexpected first extension: got %v, want %v",
2850 parsedCRL.Extensions[0], akiExt)
2851 }
2852 expectedNum, err := asn1.Marshal(tc.template.Number)
2853 if err != nil {
2854 t.Fatalf("asn1.Marshal failed: %s", err)
2855 }
2856 crlExt := pkix.Extension{
2857 Id: oidExtensionCRLNumber,
2858 Value: expectedNum,
2859 }
2860 if !reflect.DeepEqual(parsedCRL.Extensions[1], crlExt) {
2861 t.Fatalf("Unexpected second extension: got %v, want %v",
2862 parsedCRL.Extensions[1], crlExt)
2863 }
2864
2865
2866
2867
2868
2869
2870 if len(tc.issuer.RawSubject) > 0 {
2871 issuerSubj, err := subjectBytes(tc.issuer)
2872 if err != nil {
2873 t.Fatalf("failed to get issuer subject: %s", err)
2874 }
2875 if !bytes.Equal(issuerSubj, parsedCRL.RawIssuer) {
2876 t.Fatalf("Unexpected issuer subject; wanted: %v, got: %v", hex.EncodeToString(issuerSubj), hex.EncodeToString(parsedCRL.RawIssuer))
2877 }
2878 } else {
2879
2880
2881
2882
2883 issuerRDN := tc.issuer.Subject.ToRDNSequence()
2884 var caIssuer pkix.Name
2885 caIssuer.FillFromRDNSequence(&issuerRDN)
2886 if !reflect.DeepEqual(caIssuer, parsedCRL.Issuer) {
2887 t.Fatalf("Expected issuer.Subject, parsedCRL.Issuer to be the same; wanted: %#v, got: %#v", caIssuer, parsedCRL.Issuer)
2888 }
2889 }
2890
2891 if len(parsedCRL.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 {
2892
2893
2894 return
2895 }
2896 if !reflect.DeepEqual(parsedCRL.Extensions[2:], tc.template.ExtraExtensions) {
2897 t.Fatalf("Extensions mismatch: got %v; want %v.",
2898 parsedCRL.Extensions[2:], tc.template.ExtraExtensions)
2899 }
2900
2901 if tc.template.Number != nil && parsedCRL.Number == nil {
2902 t.Fatalf("Generated CRL missing Number: got nil, want %s",
2903 tc.template.Number.String())
2904 }
2905 if tc.template.Number != nil && tc.template.Number.Cmp(parsedCRL.Number) != 0 {
2906 t.Fatalf("Generated CRL has wrong Number: got %s, want %s",
2907 parsedCRL.Number.String(), tc.template.Number.String())
2908 }
2909 if !bytes.Equal(parsedCRL.AuthorityKeyId, expectedAKI) {
2910 t.Fatalf("Generated CRL has wrong Number: got %x, want %x",
2911 parsedCRL.AuthorityKeyId, expectedAKI)
2912 }
2913 })
2914 }
2915 }
2916
2917 func TestRSAPSAParameters(t *testing.T) {
2918 generateParams := func(hashFunc crypto.Hash) []byte {
2919 var hashOID asn1.ObjectIdentifier
2920
2921 switch hashFunc {
2922 case crypto.SHA256:
2923 hashOID = oidSHA256
2924 case crypto.SHA384:
2925 hashOID = oidSHA384
2926 case crypto.SHA512:
2927 hashOID = oidSHA512
2928 }
2929
2930 params := pssParameters{
2931 Hash: pkix.AlgorithmIdentifier{
2932 Algorithm: hashOID,
2933 Parameters: asn1.NullRawValue,
2934 },
2935 MGF: pkix.AlgorithmIdentifier{
2936 Algorithm: oidMGF1,
2937 },
2938 SaltLength: hashFunc.Size(),
2939 TrailerField: 1,
2940 }
2941
2942 mgf1Params := pkix.AlgorithmIdentifier{
2943 Algorithm: hashOID,
2944 Parameters: asn1.NullRawValue,
2945 }
2946
2947 var err error
2948 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params)
2949 if err != nil {
2950 t.Fatalf("failed to marshal MGF parameters: %s", err)
2951 }
2952
2953 serialized, err := asn1.Marshal(params)
2954 if err != nil {
2955 t.Fatalf("failed to marshal parameters: %s", err)
2956 }
2957
2958 return serialized
2959 }
2960
2961 for h, params := range hashToPSSParameters {
2962 generated := generateParams(h)
2963 if !bytes.Equal(params.FullBytes, generated) {
2964 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", h, generated, params.FullBytes)
2965 }
2966 }
2967 }
2968
2969 func TestUnknownExtKey(t *testing.T) {
2970 const errorContains = "unknown extended key usage"
2971
2972 template := &Certificate{
2973 SerialNumber: big.NewInt(10),
2974 DNSNames: []string{"foo"},
2975 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)},
2976 }
2977 signer, err := rsa.GenerateKey(rand.Reader, 1024)
2978 if err != nil {
2979 t.Errorf("failed to generate key for TestUnknownExtKey")
2980 }
2981
2982 _, err = CreateCertificate(rand.Reader, template, template, signer.Public(), signer)
2983 if !strings.Contains(err.Error(), errorContains) {
2984 t.Errorf("expected error containing %q, got %s", errorContains, err)
2985 }
2986 }
2987
2988 func TestIA5SANEnforcement(t *testing.T) {
2989 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2990 if err != nil {
2991 t.Fatalf("ecdsa.GenerateKey failed: %s", err)
2992 }
2993
2994 testURL, err := url.Parse("https://example.com/")
2995 if err != nil {
2996 t.Fatalf("url.Parse failed: %s", err)
2997 }
2998 testURL.RawQuery = "∞"
2999
3000 marshalTests := []struct {
3001 name string
3002 template *Certificate
3003 expectedError string
3004 }{
3005 {
3006 name: "marshal: unicode dNSName",
3007 template: &Certificate{
3008 SerialNumber: big.NewInt(0),
3009 DNSNames: []string{"∞"},
3010 },
3011 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3012 },
3013 {
3014 name: "marshal: unicode rfc822Name",
3015 template: &Certificate{
3016 SerialNumber: big.NewInt(0),
3017 EmailAddresses: []string{"∞"},
3018 },
3019 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3020 },
3021 {
3022 name: "marshal: unicode uniformResourceIdentifier",
3023 template: &Certificate{
3024 SerialNumber: big.NewInt(0),
3025 URIs: []*url.URL{testURL},
3026 },
3027 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String",
3028 },
3029 }
3030
3031 for _, tc := range marshalTests {
3032 t.Run(tc.name, func(t *testing.T) {
3033 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k)
3034 if err == nil {
3035 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template)
3036 } else if err.Error() != tc.expectedError {
3037 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3038 }
3039 })
3040 }
3041
3042 unmarshalTests := []struct {
3043 name string
3044 cert string
3045 expectedError string
3046 }{
3047 {
3048 name: "unmarshal: unicode dNSName",
3049 cert: "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",
3050 expectedError: "x509: SAN dNSName is malformed",
3051 },
3052 {
3053 name: "unmarshal: unicode rfc822Name",
3054 cert: "308201083081aea003020102020100300a06082a8648ce3d04030230003022180f30303031303130313030303030305a180f30303031303130313030303030305a30003059301306072a8648ce3d020106082a8648ce3d0301070342000405cb4c4ba72aac980f7b11b0285191425e29e196ce7c5df1c83f56886566e517f196657cc1b73de89ab84ce503fd634e2f2af88fde24c63ca536dc3a5eed2665a315301330110603551d110101ff040730058103e2889e300a06082a8648ce3d0403020349003046022100ed1431cd4b9bb03d88d1511a0ec128a51204375764c716280dc36e2a60142c8902210088c96d25cfaf97eea851ff17d87bb6fe619d6546656e1739f35c3566051c3d0f",
3055 expectedError: "x509: SAN rfc822Name is malformed",
3056 },
3057 {
3058 name: "unmarshal: unicode uniformResourceIdentifier",
3059 cert: "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",
3060 expectedError: "x509: SAN uniformResourceIdentifier is malformed",
3061 },
3062 }
3063
3064 for _, tc := range unmarshalTests {
3065 der, err := hex.DecodeString(tc.cert)
3066 if err != nil {
3067 t.Fatalf("failed to decode test cert: %s", err)
3068 }
3069 _, err = ParseCertificate(der)
3070 if err == nil {
3071 t.Error("expected CreateCertificate to fail")
3072 } else if err.Error() != tc.expectedError {
3073 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3074 }
3075 }
3076 }
3077
3078 func BenchmarkCreateCertificate(b *testing.B) {
3079 template := &Certificate{
3080 SerialNumber: big.NewInt(10),
3081 DNSNames: []string{"example.com"},
3082 }
3083 tests := []struct {
3084 name string
3085 gen func() crypto.Signer
3086 }{
3087 {
3088 name: "RSA 2048",
3089 gen: func() crypto.Signer {
3090 k, err := rsa.GenerateKey(rand.Reader, 2048)
3091 if err != nil {
3092 b.Fatalf("failed to generate test key: %s", err)
3093 }
3094 return k
3095 },
3096 },
3097 {
3098 name: "ECDSA P256",
3099 gen: func() crypto.Signer {
3100 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3101 if err != nil {
3102 b.Fatalf("failed to generate test key: %s", err)
3103 }
3104 return k
3105 },
3106 },
3107 }
3108
3109 for _, tc := range tests {
3110 k := tc.gen()
3111 b.ResetTimer()
3112 b.Run(tc.name, func(b *testing.B) {
3113 for i := 0; i < b.N; i++ {
3114 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k)
3115 if err != nil {
3116 b.Fatalf("failed to create certificate: %s", err)
3117 }
3118 }
3119 })
3120 }
3121 }
3122
3123 type brokenSigner struct {
3124 pub crypto.PublicKey
3125 }
3126
3127 func (bs *brokenSigner) Public() crypto.PublicKey {
3128 return bs.pub
3129 }
3130
3131 func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) {
3132 return []byte{1, 2, 3}, nil
3133 }
3134
3135 func TestCreateCertificateBrokenSigner(t *testing.T) {
3136 template := &Certificate{
3137 SerialNumber: big.NewInt(10),
3138 DNSNames: []string{"example.com"},
3139 }
3140 k, err := rsa.GenerateKey(rand.Reader, 1024)
3141 if err != nil {
3142 t.Fatalf("failed to generate test key: %s", err)
3143 }
3144 expectedErr := "x509: signature over certificate returned by signer is invalid: crypto/rsa: verification error"
3145 _, err = CreateCertificate(rand.Reader, template, template, k.Public(), &brokenSigner{k.Public()})
3146 if err == nil {
3147 t.Fatal("expected CreateCertificate to fail with a broken signer")
3148 } else if err.Error() != expectedErr {
3149 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr)
3150 }
3151 }
3152
3153 func TestCreateCertificateLegacy(t *testing.T) {
3154 sigAlg := MD5WithRSA
3155 template := &Certificate{
3156 SerialNumber: big.NewInt(10),
3157 DNSNames: []string{"example.com"},
3158 SignatureAlgorithm: sigAlg,
3159 }
3160 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3161 if err == nil {
3162 t.Fatal("CreateCertificate didn't fail when SignatureAlgorithm = MD5WithRSA")
3163 }
3164 }
3165
3166 func (s *CertPool) mustCert(t *testing.T, n int) *Certificate {
3167 c, err := s.lazyCerts[n].getCert()
3168 if err != nil {
3169 t.Fatalf("failed to load cert %d: %v", n, err)
3170 }
3171 return c
3172 }
3173
3174 func allCerts(t *testing.T, p *CertPool) []*Certificate {
3175 all := make([]*Certificate, p.len())
3176 for i := range all {
3177 all[i] = p.mustCert(t, i)
3178 }
3179 return all
3180 }
3181
3182
3183
3184 func certPoolEqual(a, b *CertPool) bool {
3185 if (a != nil) != (b != nil) {
3186 return false
3187 }
3188 if a == nil {
3189 return true
3190 }
3191 if !reflect.DeepEqual(a.byName, b.byName) ||
3192 len(a.lazyCerts) != len(b.lazyCerts) {
3193 return false
3194 }
3195 for i := range a.lazyCerts {
3196 la, lb := a.lazyCerts[i], b.lazyCerts[i]
3197 if !bytes.Equal(la.rawSubject, lb.rawSubject) {
3198 return false
3199 }
3200 ca, err := la.getCert()
3201 if err != nil {
3202 panic(err)
3203 }
3204 cb, err := la.getCert()
3205 if err != nil {
3206 panic(err)
3207 }
3208 if !ca.Equal(cb) {
3209 return false
3210 }
3211 }
3212
3213 return true
3214 }
3215
3216 func TestCertificateRequestRoundtripFields(t *testing.T) {
3217 urlA, err := url.Parse("https://example.com/_")
3218 if err != nil {
3219 t.Fatal(err)
3220 }
3221 urlB, err := url.Parse("https://example.org/_")
3222 if err != nil {
3223 t.Fatal(err)
3224 }
3225 in := &CertificateRequest{
3226 DNSNames: []string{"example.com", "example.org"},
3227 EmailAddresses: []string{"a@example.com", "b@example.com"},
3228 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback},
3229 URIs: []*url.URL{urlA, urlB},
3230 }
3231 out := marshalAndParseCSR(t, in)
3232
3233 if !reflect.DeepEqual(in.DNSNames, out.DNSNames) {
3234 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames)
3235 }
3236 if !reflect.DeepEqual(in.EmailAddresses, out.EmailAddresses) {
3237 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses)
3238 }
3239 if len(in.IPAddresses) != len(out.IPAddresses) ||
3240 !in.IPAddresses[0].Equal(out.IPAddresses[0]) ||
3241 !in.IPAddresses[1].Equal(out.IPAddresses[1]) {
3242 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses)
3243 }
3244 if !reflect.DeepEqual(in.URIs, out.URIs) {
3245 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs)
3246 }
3247 }
3248
3249 func BenchmarkParseCertificate(b *testing.B) {
3250 cases := []struct {
3251 name string
3252 pem string
3253 }{
3254 {
3255 name: "ecdsa leaf",
3256 pem: `-----BEGIN CERTIFICATE-----
3257 MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG
3258 MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
3259 QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw
3260 OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG
3261 SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF
3262 kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC
3263 B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
3264 6SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU
3265 83E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w
3266 a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv
3267 L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t
3268 gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k
3269 ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t
3270 ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j
3271 b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j
3272 boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl
3273 LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv
3274 LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu
3275 Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n
3276 bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds
3277 ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n
3278 b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw
3279 aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv
3280 b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j
3281 boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t
3282 ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t
3283 ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1
3284 YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp
3285 b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C
3286 GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv
3287 cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl
3288 LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds
3289 ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv
3290 b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo
3291 aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1
3292 YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa
3293 MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0
3294 cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB
3295 Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro
3296 gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb
3297 j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr
3298 GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8
3299 DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3
3300 svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx
3301 -----END CERTIFICATE-----`,
3302 },
3303 {
3304 name: "rsa leaf",
3305 pem: `-----BEGIN CERTIFICATE-----
3306 MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw
3307 QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET
3308 MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2
3309 MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH
3310 Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq
3311 Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0
3312 UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h
3313 KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/
3314 n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De
3315 6h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE
3316 fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia
3317 OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l
3318 BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB
3319 k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI
3320 KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n
3321 dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx
3322 TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk
3323 LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk
3324 Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t
3325 cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou
3326 Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n
3327 a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh
3328 ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q
3329 Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC
3330 DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u
3331 bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k
3332 ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n
3333 bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou
3334 Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw
3335 cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq
3336 LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK
3337 Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou
3338 dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j
3339 boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0
3340 dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou
3341 eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j
3342 b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy
3343 b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v
3344 LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h
3345 cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds
3346 ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu
3347 Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i
3348 ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow
3349 KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB
3350 BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM
3351 4WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B
3352 QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1
3353 /65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS
3354 U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n
3355 YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr
3356 Qc4=
3357 -----END CERTIFICATE-----`,
3358 },
3359 }
3360 for _, c := range cases {
3361 b.Run(c.name, func(b *testing.B) {
3362 pemBlock, _ := pem.Decode([]byte(c.pem))
3363 b.ReportAllocs()
3364 b.ResetTimer()
3365 for i := 0; i < b.N; i++ {
3366 _, err := ParseCertificate(pemBlock.Bytes)
3367 if err != nil {
3368 b.Fatal(err)
3369 }
3370 }
3371 })
3372 }
3373 }
3374
3375 func TestParseCertificateRawEquals(t *testing.T) {
3376 p, _ := pem.Decode([]byte(pemCertificate))
3377 cert, err := ParseCertificate(p.Bytes)
3378 if err != nil {
3379 t.Fatalf("failed to parse certificate: %s", err)
3380 }
3381 if !bytes.Equal(p.Bytes, cert.Raw) {
3382 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes)
3383 }
3384 }
3385
3386
3387
3388
3389 const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE-----
3390 MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3391 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3392 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3393 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD
3394 AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q
3395 tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn
3396 -----END CERTIFICATE-----`
3397
3398
3399
3400
3401 const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE-----
3402 MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3403 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3404 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3405 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD
3406 AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi
3407 f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc=
3408 -----END CERTIFICATE-----`
3409
3410 func TestSigAlgMismatch(t *testing.T) {
3411 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} {
3412 b, _ := pem.Decode([]byte(certPEM))
3413 if b == nil {
3414 t.Fatalf("couldn't decode test certificate")
3415 }
3416 _, err := ParseCertificate(b.Bytes)
3417 if err == nil {
3418 t.Fatalf("expected ParseCertificate to fail")
3419 }
3420 expected := "x509: inner and outer signature algorithm identifiers don't match"
3421 if err.Error() != expected {
3422 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected)
3423 }
3424 }
3425 }
3426
3427 const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE-----
3428 MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh
3429 bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu
3430 Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g
3431 QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe
3432 BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX
3433 DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs
3434 ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy
3435 IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A
3436 MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7
3437 JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n
3438 WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4
3439 uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N
3440 rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v
3441 1vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/
3442 X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD
3443 VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD
3444 ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp
3445 ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j
3446 b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB
3447 Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j
3448 c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl
3449 cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js
3450 MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm
3451 aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD
3452 AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr
3453 mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So
3454 GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV
3455 FxdzPcwl
3456 -----END CERTIFICATE-----`
3457
3458 func TestAuthKeyIdOptional(t *testing.T) {
3459 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM))
3460 if b == nil {
3461 t.Fatalf("couldn't decode test certificate")
3462 }
3463 _, err := ParseCertificate(b.Bytes)
3464 if err != nil {
3465 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err)
3466 }
3467 }
3468
3469 const largeOIDPEM = `
3470 Certificate:
3471 Data:
3472 Version: 3 (0x2)
3473 Serial Number:
3474 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02
3475 Signature Algorithm: sha256WithRSAEncryption
3476 Issuer: O = Acme Co
3477 Validity
3478 Not Before: Dec 21 16:59:27 2021 GMT
3479 Not After : Dec 21 16:59:27 2022 GMT
3480 Subject: O = Acme Co
3481 Subject Public Key Info:
3482 Public Key Algorithm: rsaEncryption
3483 RSA Public-Key: (2048 bit)
3484 Modulus:
3485 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78:
3486 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14:
3487 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69:
3488 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c:
3489 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc:
3490 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb:
3491 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb:
3492 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f:
3493 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21:
3494 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94:
3495 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4:
3496 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa:
3497 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58:
3498 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d:
3499 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17:
3500 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21:
3501 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a:
3502 c6:bf
3503 Exponent: 65537 (0x10001)
3504 X509v3 extensions:
3505 X509v3 Key Usage: critical
3506 Digital Signature, Key Encipherment
3507 X509v3 Extended Key Usage:
3508 TLS Web Server Authentication
3509 X509v3 Basic Constraints: critical
3510 CA:FALSE
3511 X509v3 Subject Alternative Name:
3512 DNS:longOID.example
3513 X509v3 Certificate Policies:
3514 Policy: 1.3.6.1.4.1.311.21.8.1492336001
3515
3516 Signature Algorithm: sha256WithRSAEncryption
3517 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79:
3518 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c:
3519 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31:
3520 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe:
3521 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae:
3522 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c:
3523 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06:
3524 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3:
3525 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07:
3526 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80:
3527 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43:
3528 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72:
3529 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8:
3530 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f:
3531 a6:ba:88:6c
3532 -----BEGIN CERTIFICATE-----
3533 MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw
3534 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5
3535 MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
3536 ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR
3537 6FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ
3538 y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx
3539 OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi
3540 IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI
3541 E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF
3542 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC
3543 D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G
3544 CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U
3545 dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr
3546 WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX
3547 0E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr
3548 CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH
3549 Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs
3550 -----END CERTIFICATE-----`
3551
3552 func TestLargeOID(t *testing.T) {
3553
3554 b, _ := pem.Decode([]byte(largeOIDPEM))
3555 if b == nil {
3556 t.Fatalf("couldn't decode test certificate")
3557 }
3558 _, err := ParseCertificate(b.Bytes)
3559 if err != nil {
3560 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err)
3561 }
3562 }
3563
3564 const uniqueIDPEM = `-----BEGIN CERTIFICATE-----
3565 MIIFsDCCBJigAwIBAgIIrOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG
3566 A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA
3567 VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA
3568 dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx
3569 ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI
3570 EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl
3571 aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV
3572 BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB
3573 AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4
3574 PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp
3575 4iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf
3576 gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU
3577 BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX
3578 Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo
3579 cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y
3580 dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz
3581 Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl
3582 bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP
3583 aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl
3584 AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT
3585 BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF
3586 6xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv
3587 AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT
3588 ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv
3589 AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD
3590 ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG
3591 Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ
3592 eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ
3593 WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5
3594 TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt
3595 yYLwhUhg3PX5Co1VKYE+9TxloiE=
3596 -----END CERTIFICATE-----`
3597
3598 func TestParseUniqueID(t *testing.T) {
3599 b, _ := pem.Decode([]byte(uniqueIDPEM))
3600 if b == nil {
3601 t.Fatalf("couldn't decode test certificate")
3602 }
3603 cert, err := ParseCertificate(b.Bytes)
3604 if err != nil {
3605 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err)
3606 }
3607 if len(cert.Extensions) != 7 {
3608 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions))
3609 }
3610 }
3611
3612 func TestDisableSHA1ForCertOnly(t *testing.T) {
3613 t.Setenv("GODEBUG", "")
3614
3615 tmpl := &Certificate{
3616 SerialNumber: big.NewInt(1),
3617 NotBefore: time.Now().Add(-time.Hour),
3618 NotAfter: time.Now().Add(time.Hour),
3619 SignatureAlgorithm: SHA1WithRSA,
3620 BasicConstraintsValid: true,
3621 IsCA: true,
3622 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign,
3623 }
3624 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey)
3625 if err != nil {
3626 t.Fatalf("failed to generate test cert: %s", err)
3627 }
3628 cert, err := ParseCertificate(certDER)
3629 if err != nil {
3630 t.Fatalf("failed to parse test cert: %s", err)
3631 }
3632
3633 err = cert.CheckSignatureFrom(cert)
3634 if err == nil {
3635 t.Error("expected CheckSignatureFrom to fail")
3636 } else if _, ok := err.(InsecureAlgorithmError); !ok {
3637 t.Errorf("expected InsecureAlgorithmError error, got %T", err)
3638 }
3639
3640 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{
3641 SignatureAlgorithm: SHA1WithRSA,
3642 Number: big.NewInt(1),
3643 ThisUpdate: time.Now().Add(-time.Hour),
3644 NextUpdate: time.Now().Add(time.Hour),
3645 }, cert, rsaPrivateKey)
3646 if err != nil {
3647 t.Fatalf("failed to generate test CRL: %s", err)
3648 }
3649 crl, err := ParseRevocationList(crlDER)
3650 if err != nil {
3651 t.Fatalf("failed to parse test CRL: %s", err)
3652 }
3653
3654 if err = crl.CheckSignatureFrom(cert); err != nil {
3655 t.Errorf("unexpected error: %s", err)
3656 }
3657
3658
3659
3660
3661 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a"
3662 ocspTBS, err := hex.DecodeString(ocspTBSHex)
3663 if err != nil {
3664 t.Fatalf("failed to decode OCSP response TBS hex: %s", err)
3665 }
3666
3667 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil)
3668 if err != rsa.ErrVerification {
3669 t.Errorf("unexpected error: %s", err)
3670 }
3671 }
3672
3673 func TestParseRevocationList(t *testing.T) {
3674 derBytes := fromBase64(derCRLBase64)
3675 certList, err := ParseRevocationList(derBytes)
3676 if err != nil {
3677 t.Errorf("error parsing: %s", err)
3678 return
3679 }
3680 numCerts := len(certList.RevokedCertificateEntries)
3681 numCertsDeprecated := len(certList.RevokedCertificateEntries)
3682 expected := 88
3683 if numCerts != expected || numCertsDeprecated != expected {
3684 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
3685 }
3686 }
3687
3688 func TestRevocationListCheckSignatureFrom(t *testing.T) {
3689 goodKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3690 if err != nil {
3691 t.Fatalf("failed to generate test key: %s", err)
3692 }
3693 badKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3694 if err != nil {
3695 t.Fatalf("failed to generate test key: %s", err)
3696 }
3697 tests := []struct {
3698 name string
3699 issuer *Certificate
3700 err string
3701 }{
3702 {
3703 name: "valid",
3704 issuer: &Certificate{
3705 Version: 3,
3706 BasicConstraintsValid: true,
3707 IsCA: true,
3708 PublicKeyAlgorithm: ECDSA,
3709 PublicKey: goodKey.Public(),
3710 },
3711 },
3712 {
3713 name: "valid, key usage set",
3714 issuer: &Certificate{
3715 Version: 3,
3716 BasicConstraintsValid: true,
3717 IsCA: true,
3718 PublicKeyAlgorithm: ECDSA,
3719 PublicKey: goodKey.Public(),
3720 KeyUsage: KeyUsageCRLSign,
3721 },
3722 },
3723 {
3724 name: "invalid issuer, wrong key usage",
3725 issuer: &Certificate{
3726 Version: 3,
3727 BasicConstraintsValid: true,
3728 IsCA: true,
3729 PublicKeyAlgorithm: ECDSA,
3730 PublicKey: goodKey.Public(),
3731 KeyUsage: KeyUsageCertSign,
3732 },
3733 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3734 },
3735 {
3736 name: "invalid issuer, no basic constraints/ca",
3737 issuer: &Certificate{
3738 Version: 3,
3739 PublicKeyAlgorithm: ECDSA,
3740 PublicKey: goodKey.Public(),
3741 },
3742 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3743 },
3744 {
3745 name: "invalid issuer, unsupported public key type",
3746 issuer: &Certificate{
3747 Version: 3,
3748 BasicConstraintsValid: true,
3749 IsCA: true,
3750 PublicKeyAlgorithm: UnknownPublicKeyAlgorithm,
3751 PublicKey: goodKey.Public(),
3752 },
3753 err: "x509: cannot verify signature: algorithm unimplemented",
3754 },
3755 {
3756 name: "wrong key",
3757 issuer: &Certificate{
3758 Version: 3,
3759 BasicConstraintsValid: true,
3760 IsCA: true,
3761 PublicKeyAlgorithm: ECDSA,
3762 PublicKey: badKey.Public(),
3763 },
3764 err: "x509: ECDSA verification failure",
3765 },
3766 }
3767
3768 crlIssuer := &Certificate{
3769 BasicConstraintsValid: true,
3770 IsCA: true,
3771 PublicKeyAlgorithm: ECDSA,
3772 PublicKey: goodKey.Public(),
3773 KeyUsage: KeyUsageCRLSign,
3774 SubjectKeyId: []byte{1, 2, 3},
3775 }
3776 for _, tc := range tests {
3777 t.Run(tc.name, func(t *testing.T) {
3778 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{Number: big.NewInt(1)}, crlIssuer, goodKey)
3779 if err != nil {
3780 t.Fatalf("failed to generate CRL: %s", err)
3781 }
3782 crl, err := ParseRevocationList(crlDER)
3783 if err != nil {
3784 t.Fatalf("failed to parse test CRL: %s", err)
3785 }
3786 err = crl.CheckSignatureFrom(tc.issuer)
3787 if err != nil && err.Error() != tc.err {
3788 t.Errorf("unexpected error: got %s, want %s", err, tc.err)
3789 } else if err == nil && tc.err != "" {
3790 t.Errorf("CheckSignatureFrom did not fail: want %s", tc.err)
3791 }
3792 })
3793 }
3794 }
3795
3796 func TestOmitEmptyExtensions(t *testing.T) {
3797 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3798 if err != nil {
3799 t.Fatal(err)
3800 }
3801 tmpl := &Certificate{
3802 SerialNumber: big.NewInt(1),
3803 Subject: pkix.Name{
3804 CommonName: ":)",
3805 },
3806 NotAfter: time.Now().Add(time.Hour),
3807 NotBefore: time.Now().Add(-time.Hour),
3808 }
3809 der, err := CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3810 if err != nil {
3811 t.Fatal(err)
3812 }
3813
3814 emptyExtSeq := []byte{0xA3, 0x02, 0x30, 0x00}
3815 if bytes.Contains(der, emptyExtSeq) {
3816 t.Error("DER encoding contains the an empty extensions SEQUENCE")
3817 }
3818 }
3819
3820 var negativeSerialCert = `-----BEGIN CERTIFICATE-----
3821 MIIBBTCBraADAgECAgH/MAoGCCqGSM49BAMCMA0xCzAJBgNVBAMTAjopMB4XDTIy
3822 MDQxNDIzNTYwNFoXDTIyMDQxNTAxNTYwNFowDTELMAkGA1UEAxMCOikwWTATBgcq
3823 hkjOPQIBBggqhkjOPQMBBwNCAAQ9ezsIsj+q17K87z/PXE/rfGRN72P/Wyn5d6oo
3824 5M0ZbSatuntMvfKdX79CQxXAxN4oXk3Aov4jVSG12AcDI8ShMAoGCCqGSM49BAMC
3825 A0cAMEQCIBzfBU5eMPT6m5lsR6cXaJILpAaiD9YxOl4v6dT3rzEjAiBHmjnHmAss
3826 RqUAyJKFzqZxOlK2q4j2IYnuj5+LrLGbQA==
3827 -----END CERTIFICATE-----`
3828
3829 func TestParseNegativeSerial(t *testing.T) {
3830 pemBlock, _ := pem.Decode([]byte(negativeSerialCert))
3831 _, err := ParseCertificate(pemBlock.Bytes)
3832 if err != nil {
3833 t.Fatalf("failed to parse certificate: %s", err)
3834 }
3835 }
3836
3837 func TestCreateNegativeSerial(t *testing.T) {
3838 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3839 if err != nil {
3840 t.Fatal(err)
3841 }
3842 tmpl := &Certificate{
3843 SerialNumber: big.NewInt(-1),
3844 Subject: pkix.Name{
3845 CommonName: ":)",
3846 },
3847 NotAfter: time.Now().Add(time.Hour),
3848 NotBefore: time.Now().Add(-time.Hour),
3849 }
3850 expectedErr := "x509: serial number must be positive"
3851 _, err = CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3852 if err == nil || err.Error() != expectedErr {
3853 t.Errorf("CreateCertificate returned unexpected error: want %q, got %q", expectedErr, err)
3854 }
3855 }
3856
3857 const dupExtCert = `-----BEGIN CERTIFICATE-----
3858 MIIBrjCCARegAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwR0ZXN0
3859 MCIYDzAwMDEwMTAxMDAwMDAwWhgPMDAwMTAxMDEwMDAwMDBaMA8xDTALBgNVBAMT
3860 BHRlc3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMiFchnHms9l9NninAIz
3861 SkY9acwl9Bk2AtmJrNCenFpiA17AcOO5q8DJYwdXi6WPKlVgcyH+ysW8XMWkq+CP
3862 yhtF/+LMzl9odaUF2iUy3vgTC5gxGLWH5URVssx21Und2Pm2f4xyou5IVxbS9dxy
3863 jLvV9PEY9BIb0H+zFthjhihDAgMBAAGjFjAUMAgGAioDBAIFADAIBgIqAwQCBQAw
3864 DQYJKoZIhvcNAQELBQADgYEAlhQ4TQQKIQ8GUyzGiN/75TCtQtjhMGemxc0cNgre
3865 d9rmm4DjydH0t7/sMCB56lQrfhJNplguzsbjFW4l245KbNKHfLiqwEGUgZjBNKur
3866 ot6qX/skahLtt0CNOaFIge75HVKe/69OrWQGdp18dkay/KS4Glu8YMKIjOhfrUi1
3867 NZA=
3868 -----END CERTIFICATE-----`
3869
3870 func TestDuplicateExtensionsCert(t *testing.T) {
3871 b, _ := pem.Decode([]byte(dupExtCert))
3872 if b == nil {
3873 t.Fatalf("couldn't decode test certificate")
3874 }
3875 _, err := ParseCertificate(b.Bytes)
3876 if err == nil {
3877 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions")
3878 }
3879 }
3880
3881 const dupExtCSR = `-----BEGIN CERTIFICATE REQUEST-----
3882 MIIBczCB3QIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
3883 ADCBiQKBgQC5PbxMGVJ8aLF9lq/EvGObXTRMB7ieiZL9N+DJZg1n/ECCnZLIvYrr
3884 ZmmDV7YZsClgxKGfjJB0RQFFyZElFM9EfHEs8NJdidDKCRdIhDXQWRyhXKevHvdm
3885 CQNKzUeoxvdHpU/uscSkw6BgUzPyLyTx9A6ye2ix94z8Y9hGOBO2DQIDAQABoCUw
3886 IwYJKoZIhvcNAQkOMRYwFDAIBgIqAwQCBQAwCAYCKgMEAgUAMA0GCSqGSIb3DQEB
3887 CwUAA4GBAHROEsE7URk1knXmBnQtIHwoq663vlMcX3Hes58pUy020rWP8QkocA+X
3888 VF18/phg3p5ILlS4fcbbP2bEeV0pePo2k00FDPsJEKCBAX2LKxbU7Vp2OuV2HM2+
3889 VLOVx0i+/Q7fikp3hbN1JwuMTU0v2KL/IKoUcZc02+5xiYrnOIt5
3890 -----END CERTIFICATE REQUEST-----`
3891
3892 func TestDuplicateExtensionsCSR(t *testing.T) {
3893 b, _ := pem.Decode([]byte(dupExtCSR))
3894 if b == nil {
3895 t.Fatalf("couldn't decode test CSR")
3896 }
3897 _, err := ParseCertificateRequest(b.Bytes)
3898 if err == nil {
3899 t.Fatal("ParseCertificateRequest should fail when parsing CSR with duplicate extensions")
3900 }
3901 }
3902
3903 const dupAttCSR = `-----BEGIN CERTIFICATE REQUEST-----
3904 MIIBbDCB1gIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
3905 ADCBiQKBgQCj5Po3PKO/JNuxr+B+WNfMIzqqYztdlv+mTQhT0jOR5rTkUvxeeHH8
3906 YclryES2dOISjaUOTmOAr5GQIIdQl4Ql33Cp7ZR/VWcRn+qvTak0Yow+xVsDo0n4
3907 7IcvvP6CJ7FRoYBUakVczeXLxCjLwdyK16VGJM06eRzDLykPxpPwLQIDAQABoB4w
3908 DQYCKgMxBwwFdGVzdDEwDQYCKgMxBwwFdGVzdDIwDQYJKoZIhvcNAQELBQADgYEA
3909 UJ8hsHxtnIeqb2ufHnQFJO+wEJhx2Uxm/BTuzHOeffuQkwATez4skZ7SlX9exgb7
3910 6jRMRilqb4F7f8w+uDoqxRrA9zc8mwY16zPsyBhRet+ZGbj/ilgvGmtZ21qZZ/FU
3911 0pJFJIVLM3l49Onr5uIt5+hCWKwHlgE0nGpjKLR3cMg=
3912 -----END CERTIFICATE REQUEST-----`
3913
3914 func TestDuplicateAttributesCSR(t *testing.T) {
3915 b, _ := pem.Decode([]byte(dupAttCSR))
3916 if b == nil {
3917 t.Fatalf("couldn't decode test CSR")
3918 }
3919 _, err := ParseCertificateRequest(b.Bytes)
3920 if err != nil {
3921 t.Fatal("ParseCertificateRequest should succeed when parsing CSR with duplicate attributes")
3922 }
3923 }
3924
3925 func TestCertificateOIDPolicies(t *testing.T) {
3926 template := Certificate{
3927 SerialNumber: big.NewInt(1),
3928 Subject: pkix.Name{CommonName: "Cert"},
3929 NotBefore: time.Unix(1000, 0),
3930 NotAfter: time.Unix(100000, 0),
3931 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
3932 }
3933
3934 var expectPolicyIdentifiers = []asn1.ObjectIdentifier{
3935 []int{1, 2, 3},
3936 }
3937
3938 var expectPolicies = []OID{
3939 mustNewOIDFromInts(t, []uint64{1, 2, 3}),
3940 }
3941
3942 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
3943 if err != nil {
3944 t.Fatalf("CreateCertificate() unexpected error: %v", err)
3945 }
3946
3947 cert, err := ParseCertificate(certDER)
3948 if err != nil {
3949 t.Fatalf("ParseCertificate() unexpected error: %v", err)
3950 }
3951
3952 if !slices.EqualFunc(cert.PolicyIdentifiers, expectPolicyIdentifiers, slices.Equal) {
3953 t.Errorf("cert.PolicyIdentifiers = %v, want: %v", cert.PolicyIdentifiers, expectPolicyIdentifiers)
3954 }
3955
3956 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
3957 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
3958 }
3959 }
3960
3961 func TestCertificatePoliciesGODEBUG(t *testing.T) {
3962 template := Certificate{
3963 SerialNumber: big.NewInt(1),
3964 Subject: pkix.Name{CommonName: "Cert"},
3965 NotBefore: time.Unix(1000, 0),
3966 NotAfter: time.Unix(100000, 0),
3967 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
3968 Policies: []OID{mustNewOIDFromInts(t, []uint64{1, 2, math.MaxUint32 + 1})},
3969 }
3970
3971 expectPolicies := []OID{mustNewOIDFromInts(t, []uint64{1, 2, 3})}
3972 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
3973 if err != nil {
3974 t.Fatalf("CreateCertificate() unexpected error: %v", err)
3975 }
3976
3977 cert, err := ParseCertificate(certDER)
3978 if err != nil {
3979 t.Fatalf("ParseCertificate() unexpected error: %v", err)
3980 }
3981
3982 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
3983 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
3984 }
3985
3986 t.Setenv("GODEBUG", "x509usepolicies=1")
3987 expectPolicies = []OID{mustNewOIDFromInts(t, []uint64{1, 2, math.MaxUint32 + 1})}
3988
3989 certDER, err = CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
3990 if err != nil {
3991 t.Fatalf("CreateCertificate() unexpected error: %v", err)
3992 }
3993
3994 cert, err = ParseCertificate(certDER)
3995 if err != nil {
3996 t.Fatalf("ParseCertificate() unexpected error: %v", err)
3997 }
3998
3999 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4000 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4001 }
4002 }
4003
4004 func TestGob(t *testing.T) {
4005
4006
4007 cert := new(Certificate)
4008 err := gob.NewEncoder(io.Discard).Encode(cert)
4009 if err != nil {
4010 t.Fatal(err)
4011 }
4012 }
4013
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