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/ecdsa"
12 "crypto/ed25519"
13 "crypto/elliptic"
14 "crypto/rand"
15 "crypto/rsa"
16 _ "crypto/sha256"
17 _ "crypto/sha512"
18 "crypto/x509/pkix"
19 "encoding/asn1"
20 "encoding/base64"
21 "encoding/hex"
22 "encoding/pem"
23 "fmt"
24 "internal/testenv"
25 "io"
26 "math/big"
27 "net"
28 "net/url"
29 "os/exec"
30 "reflect"
31 "runtime"
32 "strings"
33 "testing"
34 "time"
35 )
36
37 func TestParsePKCS1PrivateKey(t *testing.T) {
38 block, _ := pem.Decode([]byte(pemPrivateKey))
39 priv, err := ParsePKCS1PrivateKey(block.Bytes)
40 if err != nil {
41 t.Errorf("Failed to parse private key: %s", err)
42 return
43 }
44 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
45 priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
46 priv.D.Cmp(rsaPrivateKey.D) != 0 ||
47 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 ||
48 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 {
49 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
50 }
51
52
53
54 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00")
55 if _, err := ParsePKCS1PrivateKey(data); err == nil {
56 t.Errorf("parsing invalid private key did not result in an error")
57 }
58 }
59
60 func TestPKCS1MismatchPublicKeyFormat(t *testing.T) {
61
62 const pkixPublicKey = "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"
63 const errorContains = "use ParsePKIXPublicKey instead"
64 derBytes, _ := hex.DecodeString(pkixPublicKey)
65 _, err := ParsePKCS1PublicKey(derBytes)
66 if !strings.Contains(err.Error(), errorContains) {
67 t.Errorf("expected error containing %q, got %s", errorContains, err)
68 }
69 }
70
71 func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) {
72 block, _ := pem.Decode([]byte(pemBytes))
73 pub, err := ParsePKIXPublicKey(block.Bytes)
74 if err != nil {
75 t.Fatalf("Failed to parse public key: %s", err)
76 }
77
78 pubBytes2, err := MarshalPKIXPublicKey(pub)
79 if err != nil {
80 t.Errorf("Failed to marshal public key for the second time: %s", err)
81 return
82 }
83 if !bytes.Equal(pubBytes2, block.Bytes) {
84 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes)
85 }
86 return
87 }
88
89 func TestParsePKIXPublicKey(t *testing.T) {
90 t.Run("RSA", func(t *testing.T) {
91 pub := testParsePKIXPublicKey(t, pemPublicKey)
92 _, ok := pub.(*rsa.PublicKey)
93 if !ok {
94 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key")
95 }
96 })
97 t.Run("Ed25519", func(t *testing.T) {
98 pub := testParsePKIXPublicKey(t, pemEd25519Key)
99 _, ok := pub.(ed25519.PublicKey)
100 if !ok {
101 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key")
102 }
103 })
104 }
105
106 var pemPublicKey = `-----BEGIN PUBLIC KEY-----
107 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+
108 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k
109 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ
110 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg
111 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR
112 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ
113 +QIDAQAB
114 -----END PUBLIC KEY-----
115 `
116
117 var pemPrivateKey = testingKey(`
118 -----BEGIN RSA TESTING KEY-----
119 MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v
120 IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7
121 J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB
122 AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1
123 V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd
124 7gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R
125 vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12
126 33QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS
127 rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi
128 MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX
129 AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo
130 6vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6
131 wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY=
132 -----END RSA TESTING KEY-----
133 `)
134
135
136 var pemEd25519Key = `
137 -----BEGIN PUBLIC KEY-----
138 MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=
139 -----END PUBLIC KEY-----
140 `
141
142 func TestPKIXMismatchPublicKeyFormat(t *testing.T) {
143
144 const pkcs1PublicKey = "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"
145 const errorContains = "use ParsePKCS1PublicKey instead"
146 derBytes, _ := hex.DecodeString(pkcs1PublicKey)
147 _, err := ParsePKIXPublicKey(derBytes)
148 if !strings.Contains(err.Error(), errorContains) {
149 t.Errorf("expected error containing %q, got %s", errorContains, err)
150 }
151 }
152
153 var testPrivateKey *rsa.PrivateKey
154
155 func init() {
156 block, _ := pem.Decode([]byte(pemPrivateKey))
157
158 var err error
159 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil {
160 panic("Failed to parse private key: " + err.Error())
161 }
162 }
163
164 func bigFromString(s string) *big.Int {
165 ret := new(big.Int)
166 ret.SetString(s, 10)
167 return ret
168 }
169
170 func fromBase10(base10 string) *big.Int {
171 i := new(big.Int)
172 i.SetString(base10, 10)
173 return i
174 }
175
176 func bigFromHexString(s string) *big.Int {
177 ret := new(big.Int)
178 ret.SetString(s, 16)
179 return ret
180 }
181
182 var rsaPrivateKey = &rsa.PrivateKey{
183 PublicKey: rsa.PublicKey{
184 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"),
185 E: 65537,
186 },
187 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"),
188 Primes: []*big.Int{
189 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"),
190 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"),
191 },
192 }
193
194 func TestMarshalRSAPrivateKey(t *testing.T) {
195 priv := &rsa.PrivateKey{
196 PublicKey: rsa.PublicKey{
197 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
198 E: 3,
199 },
200 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
201 Primes: []*big.Int{
202 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
203 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
204 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
205 },
206 }
207
208 derBytes := MarshalPKCS1PrivateKey(priv)
209
210 priv2, err := ParsePKCS1PrivateKey(derBytes)
211 if err != nil {
212 t.Errorf("error parsing serialized key: %s", err)
213 return
214 }
215 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 ||
216 priv.PublicKey.E != priv2.PublicKey.E ||
217 priv.D.Cmp(priv2.D) != 0 ||
218 len(priv2.Primes) != 3 ||
219 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 ||
220 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 ||
221 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 {
222 t.Errorf("got:%+v want:%+v", priv, priv2)
223 }
224 }
225
226 func TestMarshalRSAPublicKey(t *testing.T) {
227 pub := &rsa.PublicKey{
228 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
229 E: 3,
230 }
231 derBytes := MarshalPKCS1PublicKey(pub)
232 pub2, err := ParsePKCS1PublicKey(derBytes)
233 if err != nil {
234 t.Errorf("ParsePKCS1PublicKey: %s", err)
235 }
236 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E {
237 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2)
238 }
239
240
241
242
243 derBytes2, err := asn1.Marshal(*pub)
244 if err != nil {
245 t.Errorf("Marshal(rsa.PublicKey): %v", err)
246 } else if !bytes.Equal(derBytes, derBytes2) {
247 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes)
248 }
249 pub3 := new(rsa.PublicKey)
250 rest, err := asn1.Unmarshal(derBytes, pub3)
251 if err != nil {
252 t.Errorf("Unmarshal(rsa.PublicKey): %v", err)
253 }
254 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E {
255 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil))
256 }
257
258 publicKeys := []struct {
259 derBytes []byte
260 expectedErrSubstr string
261 }{
262 {
263 derBytes: []byte{
264 0x30, 6,
265 0x02, 1,
266 17,
267 0x02, 1,
268 3,
269 },
270 }, {
271 derBytes: []byte{
272 0x30, 6,
273 0x02, 1,
274 0xff,
275 0x02, 1,
276 3,
277 },
278 expectedErrSubstr: "zero or negative",
279 }, {
280 derBytes: []byte{
281 0x30, 6,
282 0x02, 1,
283 17,
284 0x02, 1,
285 0xff,
286 },
287 expectedErrSubstr: "zero or negative",
288 }, {
289 derBytes: []byte{
290 0x30, 6,
291 0x02, 1,
292 17,
293 0x02, 1,
294 3,
295 1,
296 },
297 expectedErrSubstr: "trailing data",
298 }, {
299 derBytes: []byte{
300 0x30, 9,
301 0x02, 1,
302 17,
303 0x02, 4,
304 0x7f, 0xff, 0xff, 0xff,
305 },
306 }, {
307 derBytes: []byte{
308 0x30, 10,
309 0x02, 1,
310 17,
311 0x02, 5,
312 0x00, 0x80, 0x00, 0x00, 0x00,
313 },
314
315
316
317
318
319 expectedErrSubstr: "large",
320 },
321 }
322
323 for i, test := range publicKeys {
324 shouldFail := len(test.expectedErrSubstr) > 0
325 pub, err := ParsePKCS1PublicKey(test.derBytes)
326 if shouldFail {
327 if err == nil {
328 t.Errorf("#%d: unexpected success, got %#v", i, pub)
329 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) {
330 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err)
331 }
332 } else {
333 if err != nil {
334 t.Errorf("#%d: unexpected failure: %s", i, err)
335 continue
336 }
337 reserialized := MarshalPKCS1PublicKey(pub)
338 if !bytes.Equal(reserialized, test.derBytes) {
339 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes)
340 }
341 }
342 }
343 }
344
345 type matchHostnamesTest struct {
346 pattern, host string
347 ok bool
348 }
349
350 var matchHostnamesTests = []matchHostnamesTest{
351 {"a.b.c", "a.b.c", true},
352 {"a.b.c", "b.b.c", false},
353 {"", "b.b.c", false},
354 {"a.b.c", "", false},
355 {"example.com", "example.com", true},
356 {"example.com", "www.example.com", false},
357 {"*.example.com", "example.com", false},
358 {"*.example.com", "www.example.com", true},
359 {"*.example.com", "www.example.com.", true},
360 {"*.example.com", "xyz.www.example.com", false},
361 {"*.example.com", "https://www.example.com", false},
362 {"*.example..com", "www.example..com", false},
363 {"www.example..com", "www.example..com", true},
364 {"*.*.example.com", "xyz.www.example.com", false},
365 {"*.www.*.com", "xyz.www.example.com", false},
366 {"*bar.example.com", "foobar.example.com", false},
367 {"f*.example.com", "foobar.example.com", false},
368 {"www.example.com", "*.example.com", false},
369 {"", ".", false},
370 {".", "", false},
371 {".", ".", false},
372 {"example.com", "example.com.", true},
373 {"example.com.", "example.com", false},
374 {"example.com.", "example.com.", true},
375 {"*.com.", "example.com.", false},
376 {"*.com.", "example.com", false},
377 {"*.com", "example.com", true},
378 {"*.com", "example.com.", true},
379 {"foo:bar", "foo:bar", true},
380 {"*.foo:bar", "xxx.foo:bar", false},
381 {"*.2.3.4", "1.2.3.4", false},
382 {"*.2.3.4", "[1.2.3.4]", false},
383 {"*:4860:4860::8888", "2001:4860:4860::8888", false},
384 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false},
385 {"2001:4860:4860::8888", "2001:4860:4860::8888", false},
386 {"2001:4860:4860::8888", "[2001:4860:4860::8888]", false},
387 {"[2001:4860:4860::8888]", "2001:4860:4860::8888", false},
388 {"[2001:4860:4860::8888]", "[2001:4860:4860::8888]", false},
389 }
390
391 func TestMatchHostnames(t *testing.T) {
392 for i, test := range matchHostnamesTests {
393 c := &Certificate{DNSNames: []string{test.pattern}}
394 r := c.VerifyHostname(test.host) == nil
395 if r != test.ok {
396 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern)
397 }
398 }
399 }
400
401 func TestMatchIP(t *testing.T) {
402
403 c := &Certificate{
404 DNSNames: []string{"*.foo.bar.baz"},
405 Subject: pkix.Name{
406 CommonName: "*.foo.bar.baz",
407 },
408 }
409 err := c.VerifyHostname("quux.foo.bar.baz")
410 if err != nil {
411 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err)
412 }
413
414
415
416 c = &Certificate{
417 DNSNames: []string{"*.2.3.4"},
418 Subject: pkix.Name{
419 CommonName: "*.2.3.4",
420 },
421 }
422 err = c.VerifyHostname("1.2.3.4")
423 if err == nil {
424 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not")
425 }
426
427 c = &Certificate{
428 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
429 }
430 err = c.VerifyHostname("127.0.0.1")
431 if err != nil {
432 t.Fatalf("VerifyHostname(127.0.0.1): %v", err)
433 }
434 err = c.VerifyHostname("::1")
435 if err != nil {
436 t.Fatalf("VerifyHostname(::1): %v", err)
437 }
438 err = c.VerifyHostname("[::1]")
439 if err != nil {
440 t.Fatalf("VerifyHostname([::1]): %v", err)
441 }
442 }
443
444 func TestCertificateParse(t *testing.T) {
445 s, _ := base64.StdEncoding.DecodeString(certBytes)
446 certs, err := ParseCertificates(s)
447 if err != nil {
448 t.Error(err)
449 }
450 if len(certs) != 2 {
451 t.Errorf("Wrong number of certs: got %d want 2", len(certs))
452 return
453 }
454
455 err = certs[0].CheckSignatureFrom(certs[1])
456 if err != nil {
457 t.Error(err)
458 }
459
460 if err := certs[0].VerifyHostname("mail.google.com"); err != nil {
461 t.Error(err)
462 }
463
464 const expectedExtensions = 10
465 if n := len(certs[0].Extensions); n != expectedExtensions {
466 t.Errorf("want %d extensions, got %d", expectedExtensions, n)
467 }
468 }
469
470 func TestCertificateEqualOnNil(t *testing.T) {
471 cNonNil := new(Certificate)
472 var cNil1, cNil2 *Certificate
473 if !cNil1.Equal(cNil2) {
474 t.Error("Nil certificates: cNil1 is not equal to cNil2")
475 }
476 if !cNil2.Equal(cNil1) {
477 t.Error("Nil certificates: cNil2 is not equal to cNil1")
478 }
479 if cNil1.Equal(cNonNil) {
480 t.Error("Unexpectedly cNil1 is equal to cNonNil")
481 }
482 if cNonNil.Equal(cNil1) {
483 t.Error("Unexpectedly cNonNil is equal to cNil1")
484 }
485 }
486
487 func TestMismatchedSignatureAlgorithm(t *testing.T) {
488 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM))
489 if der == nil {
490 t.Fatal("Failed to find PEM block")
491 }
492
493 cert, err := ParseCertificate(der.Bytes)
494 if err != nil {
495 t.Fatal(err)
496 }
497
498 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil {
499 t.Fatal("CheckSignature unexpectedly return no error")
500 }
501
502 const expectedSubstring = " but have public key of type "
503 if !strings.Contains(err.Error(), expectedSubstring) {
504 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err)
505 }
506 }
507
508 var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" +
509 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" +
510 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" +
511 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" +
512 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" +
513 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" +
514 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" +
515 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" +
516 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" +
517 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" +
518 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" +
519 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" +
520 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" +
521 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" +
522 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" +
523 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" +
524 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" +
525 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" +
526 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" +
527 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" +
528 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" +
529 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" +
530 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" +
531 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" +
532 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" +
533 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" +
534 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" +
535 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" +
536 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" +
537 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" +
538 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" +
539 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" +
540 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" +
541 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" +
542 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" +
543 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" +
544 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" +
545 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" +
546 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" +
547 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" +
548 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" +
549 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" +
550 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" +
551 "t63yr/tQri/hlQ3zRq2dnPXK"
552
553 func parseCIDR(s string) *net.IPNet {
554 _, net, err := net.ParseCIDR(s)
555 if err != nil {
556 panic(err)
557 }
558 return net
559 }
560
561 func parseURI(s string) *url.URL {
562 uri, err := url.Parse(s)
563 if err != nil {
564 panic(err)
565 }
566 return uri
567 }
568
569 func TestCreateSelfSignedCertificate(t *testing.T) {
570 random := rand.Reader
571
572 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
573 if err != nil {
574 t.Fatalf("Failed to generate ECDSA key: %s", err)
575 }
576
577 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random)
578 if err != nil {
579 t.Fatalf("Failed to generate Ed25519 key: %s", err)
580 }
581
582 tests := []struct {
583 name string
584 pub, priv any
585 checkSig bool
586 sigAlgo SignatureAlgorithm
587 }{
588 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA},
589 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
590 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA},
591 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256},
592 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS},
593 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS},
594 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
595 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519},
596 }
597
598 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth}
599 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}}
600 extraExtensionData := []byte("extra extension")
601
602 for _, test := range tests {
603 commonName := "test.example.com"
604 template := Certificate{
605
606
607
608
609 SerialNumber: big.NewInt(-1),
610 Subject: pkix.Name{
611 CommonName: commonName,
612 Organization: []string{"Σ Acme Co"},
613 Country: []string{"US"},
614 ExtraNames: []pkix.AttributeTypeAndValue{
615 {
616 Type: []int{2, 5, 4, 42},
617 Value: "Gopher",
618 },
619
620 {
621 Type: []int{2, 5, 4, 6},
622 Value: "NL",
623 },
624 },
625 },
626 NotBefore: time.Unix(1000, 0),
627 NotAfter: time.Unix(100000, 0),
628
629 SignatureAlgorithm: test.sigAlgo,
630
631 SubjectKeyId: []byte{1, 2, 3, 4},
632 KeyUsage: KeyUsageCertSign,
633
634 ExtKeyUsage: testExtKeyUsage,
635 UnknownExtKeyUsage: testUnknownExtKeyUsage,
636
637 BasicConstraintsValid: true,
638 IsCA: true,
639
640 OCSPServer: []string{"http://ocsp.example.com"},
641 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"},
642
643 DNSNames: []string{"test.example.com"},
644 EmailAddresses: []string{"gopher@golang.org"},
645 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
646 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")},
647
648 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
649 PermittedDNSDomains: []string{".example.com", "example.com"},
650 ExcludedDNSDomains: []string{"bar.example.com"},
651 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")},
652 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")},
653 PermittedEmailAddresses: []string{"foo@example.com"},
654 ExcludedEmailAddresses: []string{".example.com", "example.com"},
655 PermittedURIDomains: []string{".bar.com", "bar.com"},
656 ExcludedURIDomains: []string{".bar2.com", "bar2.com"},
657
658 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"},
659
660 ExtraExtensions: []pkix.Extension{
661 {
662 Id: []int{1, 2, 3, 4},
663 Value: extraExtensionData,
664 },
665
666 {
667 Id: oidExtensionSubjectKeyId,
668 Critical: false,
669 Value: []byte{0x04, 0x04, 4, 3, 2, 1},
670 },
671 },
672 }
673
674 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv)
675 if err != nil {
676 t.Errorf("%s: failed to create certificate: %s", test.name, err)
677 continue
678 }
679
680 cert, err := ParseCertificate(derBytes)
681 if err != nil {
682 t.Errorf("%s: failed to parse certificate: %s", test.name, err)
683 continue
684 }
685
686 if len(cert.PolicyIdentifiers) != 1 || !cert.PolicyIdentifiers[0].Equal(template.PolicyIdentifiers[0]) {
687 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.PolicyIdentifiers)
688 }
689
690 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" {
691 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains)
692 }
693
694 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" {
695 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains)
696 }
697
698 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" {
699 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges)
700 }
701
702 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" {
703 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges)
704 }
705
706 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" {
707 t.Errorf("%s: failed to parse permitted email addreses: %#v", test.name, cert.PermittedEmailAddresses)
708 }
709
710 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" {
711 t.Errorf("%s: failed to parse excluded email addreses: %#v", test.name, cert.ExcludedEmailAddresses)
712 }
713
714 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" {
715 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains)
716 }
717
718 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" {
719 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains)
720 }
721
722 if cert.Subject.CommonName != commonName {
723 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName)
724 }
725
726 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" {
727 t.Errorf("%s: ExtraNames didn't override Country", test.name)
728 }
729
730 for _, ext := range cert.Extensions {
731 if ext.Id.Equal(oidExtensionSubjectAltName) {
732 if ext.Critical {
733 t.Fatal("SAN extension is marked critical")
734 }
735 }
736 }
737
738 found := false
739 for _, atv := range cert.Subject.Names {
740 if atv.Type.Equal([]int{2, 5, 4, 42}) {
741 found = true
742 break
743 }
744 }
745 if !found {
746 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name)
747 }
748
749 if cert.Issuer.CommonName != commonName {
750 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName)
751 }
752
753 if cert.SignatureAlgorithm != test.sigAlgo {
754 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo)
755 }
756
757 if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) {
758 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage)
759 }
760
761 if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) {
762 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage)
763 }
764
765 if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) {
766 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer)
767 }
768
769 if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
770 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL)
771 }
772
773 if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) {
774 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames)
775 }
776
777 if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) {
778 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses)
779 }
780
781 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" {
782 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs)
783 }
784
785 if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) {
786 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses)
787 }
788
789 if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
790 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints)
791 }
792
793 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) {
794 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name)
795 }
796
797 if !bytes.Contains(derBytes, extraExtensionData) {
798 t.Errorf("%s: didn't find extra extension in DER output", test.name)
799 }
800
801 if test.checkSig {
802 err = cert.CheckSignatureFrom(cert)
803 if err != nil {
804 t.Errorf("%s: signature verification failed: %s", test.name, err)
805 }
806 }
807 }
808 }
809
810
811 var ecdsaSHA1CertPem = `
812 -----BEGIN CERTIFICATE-----
813 MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET
814 MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG
815 A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
816 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw
817 WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
818 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg
819 SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv
820 bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn
821 WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3
822 P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2
823 DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV
824 a/A=
825 -----END CERTIFICATE-----
826 `
827
828
829 var ecdsaSHA256p256CertPem = `
830 -----BEGIN CERTIFICATE-----
831 MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx
832 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT
833 BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh
834 BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx
835 NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp
836 Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs
837 IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn
838 b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt
839 2ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm
840 YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV
841 70twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ
842 h5wi
843 -----END CERTIFICATE-----
844 `
845
846
847 var ecdsaSHA256p384CertPem = `
848 -----BEGIN CERTIFICATE-----
849 MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx
850 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
851 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
852 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0
853 WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
854 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
855 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
856 YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK
857 jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze
858 qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI
859 zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr
860 PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh
861 3yILeYQzllt/g0rKVRk=
862 -----END CERTIFICATE-----
863 `
864
865
866 var ecdsaSHA384p521CertPem = `
867 -----BEGIN CERTIFICATE-----
868 MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx
869 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
870 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
871 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5
872 WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
873 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
874 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
875 YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv
876 IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz
877 PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm
878 8FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw
879 gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH
880 BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh
881 kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa
882 -----END CERTIFICATE-----
883 `
884
885 var ecdsaTests = []struct {
886 sigAlgo SignatureAlgorithm
887 pemCert string
888 }{
889 {ECDSAWithSHA256, ecdsaSHA256p256CertPem},
890 {ECDSAWithSHA256, ecdsaSHA256p384CertPem},
891 {ECDSAWithSHA384, ecdsaSHA384p521CertPem},
892 }
893
894 func TestECDSA(t *testing.T) {
895 for i, test := range ecdsaTests {
896 pemBlock, _ := pem.Decode([]byte(test.pemCert))
897 cert, err := ParseCertificate(pemBlock.Bytes)
898 if err != nil {
899 t.Errorf("%d: failed to parse certificate: %s", i, err)
900 continue
901 }
902 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo {
903 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo)
904 }
905 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok {
906 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey)
907 }
908 if pka := cert.PublicKeyAlgorithm; pka != ECDSA {
909 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka)
910 }
911 if err = cert.CheckSignatureFrom(cert); err != nil {
912 t.Errorf("%d: certificate verification failed: %s", i, err)
913 }
914 }
915 }
916
917
918 var dsaCertPem = `-----BEGIN CERTIFICATE-----
919 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC
920 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds
921 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs
922 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5
923 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG
924 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3
925 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB
926 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN
927 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW
928 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5
929 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC
930 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz
931 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE
932 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5
933 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c
934 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud
935 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11
936 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w
937 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK
938 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx
939 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI
940 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM
941 -----END CERTIFICATE-----
942 `
943
944 func TestParseCertificateWithDsaPublicKey(t *testing.T) {
945 expectedKey := &dsa.PublicKey{
946 Parameters: dsa.Parameters{
947 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"),
948 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"),
949 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"),
950 },
951 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"),
952 }
953 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
954 cert, err := ParseCertificate(pemBlock.Bytes)
955 if err != nil {
956 t.Fatalf("Failed to parse certificate: %s", err)
957 }
958 if cert.PublicKeyAlgorithm != DSA {
959 t.Errorf("Parsed key algorithm was not DSA")
960 }
961 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey)
962 if !ok {
963 t.Fatalf("Parsed key was not a DSA key: %s", err)
964 }
965 if expectedKey.Y.Cmp(parsedKey.Y) != 0 ||
966 expectedKey.P.Cmp(parsedKey.P) != 0 ||
967 expectedKey.Q.Cmp(parsedKey.Q) != 0 ||
968 expectedKey.G.Cmp(parsedKey.G) != 0 {
969 t.Fatal("Parsed key differs from expected key")
970 }
971 }
972
973 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) {
974 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
975 cert, err := ParseCertificate(pemBlock.Bytes)
976 if err != nil {
977 t.Fatalf("Failed to parse certificate: %s", err)
978 }
979 if cert.SignatureAlgorithm != DSAWithSHA1 {
980 t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
981 }
982 }
983
984 func TestVerifyCertificateWithDSASignature(t *testing.T) {
985 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
986 cert, err := ParseCertificate(pemBlock.Bytes)
987 if err != nil {
988 t.Fatalf("Failed to parse certificate: %s", err)
989 }
990
991 if err = cert.CheckSignatureFrom(cert); err == nil {
992 t.Fatalf("Expected error verifying DSA certificate")
993 }
994 }
995
996 var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE-----
997 MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA
998 oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC
999 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1000 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1001 U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC
1002 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1003 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1004 U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST
1005 8nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl
1006 yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W
1007 PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj
1008 7TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT
1009 UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn
1010 defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK
1011 bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es
1012 yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS
1013 7nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek
1014 tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE
1015 qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV
1016 Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP
1017 fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg
1018 hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC
1019 AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n
1020 li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR
1021 TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3
1022 kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66
1023 U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c
1024 15gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv
1025 C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN
1026 2BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO
1027 FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9
1028 qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2
1029 +f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q==
1030 -----END CERTIFICATE-----`
1031
1032
1033
1034
1035
1036 var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE-----
1037 MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI
1038 AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV
1039 BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx
1040 DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF
1041 MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK
1042 DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
1043 CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp
1044 qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj
1045 TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM
1046 +ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0
1047 iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G
1048 RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg
1049 gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw
1050 DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa
1051 MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe
1052 WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s
1053 Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/
1054 656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6
1055 wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w
1056 Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J
1057 +w9fjQ==
1058 -----END CERTIFICATE-----`
1059
1060 func TestRSAPSSSelfSigned(t *testing.T) {
1061 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} {
1062 der, _ := pem.Decode([]byte(pemBlock))
1063 if der == nil {
1064 t.Errorf("#%d: failed to find PEM block", i)
1065 continue
1066 }
1067
1068 cert, err := ParseCertificate(der.Bytes)
1069 if err != nil {
1070 t.Errorf("#%d: failed to parse: %s", i, err)
1071 continue
1072 }
1073
1074 if err = cert.CheckSignatureFrom(cert); err != nil {
1075 t.Errorf("#%d: signature check failed: %s", i, err)
1076 continue
1077 }
1078 }
1079 }
1080
1081 const ed25519Certificate = `
1082 Certificate:
1083 Data:
1084 Version: 3 (0x2)
1085 Serial Number:
1086 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92
1087 Signature Algorithm: ED25519
1088 Issuer: CN = Ed25519 test certificate
1089 Validity
1090 Not Before: May 6 17:27:16 2019 GMT
1091 Not After : Jun 5 17:27:16 2019 GMT
1092 Subject: CN = Ed25519 test certificate
1093 Subject Public Key Info:
1094 Public Key Algorithm: ED25519
1095 ED25519 Public-Key:
1096 pub:
1097 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70:
1098 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a:
1099 3c:fa
1100 X509v3 extensions:
1101 X509v3 Subject Key Identifier:
1102 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1103 X509v3 Authority Key Identifier:
1104 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1105
1106 X509v3 Basic Constraints: critical
1107 CA:TRUE
1108 Signature Algorithm: ED25519
1109 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5:
1110 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5:
1111 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc:
1112 60:b9:d4:f4:78:4b:3c:1c:91:00
1113 -----BEGIN CERTIFICATE-----
1114 MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf
1115 BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa
1116 Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp
1117 Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6
1118 o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU
1119 CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT
1120 pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U
1121 GtKoKNxgudT0eEs8HJEA
1122 -----END CERTIFICATE-----`
1123
1124 func TestEd25519SelfSigned(t *testing.T) {
1125 der, _ := pem.Decode([]byte(ed25519Certificate))
1126 if der == nil {
1127 t.Fatalf("Failed to find PEM block")
1128 }
1129
1130 cert, err := ParseCertificate(der.Bytes)
1131 if err != nil {
1132 t.Fatalf("Failed to parse: %s", err)
1133 }
1134
1135 if cert.PublicKeyAlgorithm != Ed25519 {
1136 t.Fatalf("Parsed key algorithm was not Ed25519")
1137 }
1138 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey)
1139 if !ok {
1140 t.Fatalf("Parsed key was not an Ed25519 key: %s", err)
1141 }
1142 if len(parsedKey) != ed25519.PublicKeySize {
1143 t.Fatalf("Invalid Ed25519 key")
1144 }
1145
1146 if err = cert.CheckSignatureFrom(cert); err != nil {
1147 t.Fatalf("Signature check failed: %s", err)
1148 }
1149 }
1150
1151 const pemCertificate = `-----BEGIN CERTIFICATE-----
1152 MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw
1153 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2
1154 MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
1155 ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4
1156 jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH
1157 qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK
1158 yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB
1159 EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I
1160 5Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF
1161 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC
1162 EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7
1163 X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6
1164 1fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai
1165 /mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy
1166 fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH
1167 KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5
1168 EhLrEqU=
1169 -----END CERTIFICATE-----`
1170
1171 const ed25519CRLCertificate = `
1172 Certificate:
1173 Data:
1174 Version: 3 (0x2)
1175 Serial Number:
1176 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d
1177 Signature Algorithm: ED25519
1178 Issuer: CN = Ed25519 CRL Test CA
1179 Validity
1180 Not Before: Oct 30 01:20:20 2019 GMT
1181 Not After : Dec 31 23:59:59 9999 GMT
1182 Subject: CN = Ed25519 CRL Test CA
1183 Subject Public Key Info:
1184 Public Key Algorithm: ED25519
1185 ED25519 Public-Key:
1186 pub:
1187 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df:
1188 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f:
1189 75:21
1190 X509v3 extensions:
1191 X509v3 Key Usage: critical
1192 Digital Signature, Certificate Sign, CRL Sign
1193 X509v3 Extended Key Usage:
1194 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing
1195 X509v3 Basic Constraints: critical
1196 CA:TRUE
1197 X509v3 Subject Key Identifier:
1198 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1199 X509v3 Authority Key Identifier:
1200 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1201
1202 Signature Algorithm: ED25519
1203 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e:
1204 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5:
1205 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1:
1206 ee:68:76:17:1d:90:cc:92:93:07
1207 -----BEGIN CERTIFICATE-----
1208 MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE
1209 AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz
1210 MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl
1211 cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud
1212 DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF
1213 BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK
1214 gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+
1215 FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA
1216 9mDH0e5odhcdkMySkwc=
1217 -----END CERTIFICATE-----`
1218
1219 var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY-----
1220 MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG
1221 -----END TEST KEY-----`)
1222
1223 func TestCRLCreation(t *testing.T) {
1224 block, _ := pem.Decode([]byte(pemPrivateKey))
1225 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes)
1226 block, _ = pem.Decode([]byte(pemCertificate))
1227 certRSA, _ := ParseCertificate(block.Bytes)
1228
1229 block, _ = pem.Decode([]byte(ed25519CRLKey))
1230 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes)
1231 block, _ = pem.Decode([]byte(ed25519CRLCertificate))
1232 certEd25519, _ := ParseCertificate(block.Bytes)
1233
1234 tests := []struct {
1235 name string
1236 priv any
1237 cert *Certificate
1238 }{
1239 {"RSA CA", privRSA, certRSA},
1240 {"Ed25519 CA", privEd25519, certEd25519},
1241 }
1242
1243 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds()))
1244
1245 now := time.Unix(1000, 0).In(loc)
1246 nowUTC := now.UTC()
1247 expiry := time.Unix(10000, 0)
1248
1249 revokedCerts := []pkix.RevokedCertificate{
1250 {
1251 SerialNumber: big.NewInt(1),
1252 RevocationTime: nowUTC,
1253 },
1254 {
1255 SerialNumber: big.NewInt(42),
1256
1257 RevocationTime: now,
1258 },
1259 }
1260 expectedCerts := []pkix.RevokedCertificate{
1261 {
1262 SerialNumber: big.NewInt(1),
1263 RevocationTime: nowUTC,
1264 },
1265 {
1266 SerialNumber: big.NewInt(42),
1267 RevocationTime: nowUTC,
1268 },
1269 }
1270
1271 for _, test := range tests {
1272 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry)
1273 if err != nil {
1274 t.Errorf("%s: error creating CRL: %s", test.name, err)
1275 }
1276
1277 parsedCRL, err := ParseDERCRL(crlBytes)
1278 if err != nil {
1279 t.Errorf("%s: error reparsing CRL: %s", test.name, err)
1280 }
1281 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) {
1282 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name,
1283 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts)
1284 }
1285 }
1286 }
1287
1288 func fromBase64(in string) []byte {
1289 out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
1290 n, err := base64.StdEncoding.Decode(out, []byte(in))
1291 if err != nil {
1292 panic("failed to base64 decode")
1293 }
1294 return out[:n]
1295 }
1296
1297 func TestParseDERCRL(t *testing.T) {
1298 derBytes := fromBase64(derCRLBase64)
1299 certList, err := ParseDERCRL(derBytes)
1300 if err != nil {
1301 t.Errorf("error parsing: %s", err)
1302 return
1303 }
1304 numCerts := len(certList.TBSCertList.RevokedCertificates)
1305 expected := 88
1306 if numCerts != expected {
1307 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1308 }
1309
1310 if certList.HasExpired(time.Unix(1302517272, 0)) {
1311 t.Errorf("CRL has expired (but shouldn't have)")
1312 }
1313
1314
1315 }
1316
1317 func TestCRLWithoutExpiry(t *testing.T) {
1318 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh")
1319 certList, err := ParseDERCRL(derBytes)
1320 if err != nil {
1321 t.Fatal(err)
1322 }
1323 if !certList.TBSCertList.NextUpdate.IsZero() {
1324 t.Errorf("NextUpdate is not the zero value")
1325 }
1326 }
1327
1328 func TestParsePEMCRL(t *testing.T) {
1329 pemBytes := fromBase64(pemCRLBase64)
1330 certList, err := ParseCRL(pemBytes)
1331 if err != nil {
1332 t.Errorf("error parsing: %s", err)
1333 return
1334 }
1335 numCerts := len(certList.TBSCertList.RevokedCertificates)
1336 expected := 2
1337 if numCerts != expected {
1338 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1339 }
1340
1341 if certList.HasExpired(time.Unix(1302517272, 0)) {
1342 t.Errorf("CRL has expired (but shouldn't have)")
1343 }
1344
1345
1346 }
1347
1348 func TestImports(t *testing.T) {
1349 if testing.Short() {
1350 t.Skip("skipping in -short mode")
1351 }
1352 testenv.MustHaveGoRun(t)
1353
1354 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil {
1355 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out)
1356 }
1357 }
1358
1359 const derCRLBase64 = "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"
1360
1361 const pemCRLBase64 = "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"
1362
1363 func TestCreateCertificateRequest(t *testing.T) {
1364 random := rand.Reader
1365
1366 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
1367 if err != nil {
1368 t.Fatalf("Failed to generate ECDSA key: %s", err)
1369 }
1370
1371 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
1372 if err != nil {
1373 t.Fatalf("Failed to generate ECDSA key: %s", err)
1374 }
1375
1376 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
1377 if err != nil {
1378 t.Fatalf("Failed to generate ECDSA key: %s", err)
1379 }
1380
1381 _, ed25519Priv, err := ed25519.GenerateKey(random)
1382 if err != nil {
1383 t.Fatalf("Failed to generate Ed25519 key: %s", err)
1384 }
1385
1386 tests := []struct {
1387 name string
1388 priv any
1389 sigAlgo SignatureAlgorithm
1390 }{
1391 {"RSA", testPrivateKey, SHA256WithRSA},
1392 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256},
1393 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256},
1394 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256},
1395 {"Ed25519", ed25519Priv, PureEd25519},
1396 }
1397
1398 for _, test := range tests {
1399 template := CertificateRequest{
1400 Subject: pkix.Name{
1401 CommonName: "test.example.com",
1402 Organization: []string{"Σ Acme Co"},
1403 },
1404 SignatureAlgorithm: test.sigAlgo,
1405 DNSNames: []string{"test.example.com"},
1406 EmailAddresses: []string{"gopher@golang.org"},
1407 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
1408 }
1409
1410 derBytes, err := CreateCertificateRequest(random, &template, test.priv)
1411 if err != nil {
1412 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1413 continue
1414 }
1415
1416 out, err := ParseCertificateRequest(derBytes)
1417 if err != nil {
1418 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1419 continue
1420 }
1421
1422 err = out.CheckSignature()
1423 if err != nil {
1424 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err)
1425 continue
1426 }
1427
1428 if out.Subject.CommonName != template.Subject.CommonName {
1429 t.Errorf("%s: output subject common name and template subject common name don't match", test.name)
1430 } else if len(out.Subject.Organization) != len(template.Subject.Organization) {
1431 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name)
1432 } else if len(out.DNSNames) != len(template.DNSNames) {
1433 t.Errorf("%s: output DNS names and template DNS names don't match", test.name)
1434 } else if len(out.EmailAddresses) != len(template.EmailAddresses) {
1435 t.Errorf("%s: output email addresses and template email addresses don't match", test.name)
1436 } else if len(out.IPAddresses) != len(template.IPAddresses) {
1437 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name)
1438 }
1439 }
1440 }
1441
1442 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest {
1443 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey)
1444 if err != nil {
1445 t.Fatal(err)
1446 }
1447
1448 csr, err := ParseCertificateRequest(derBytes)
1449 if err != nil {
1450 t.Fatal(err)
1451 }
1452
1453 return csr
1454 }
1455
1456 func TestCertificateRequestOverrides(t *testing.T) {
1457 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil)
1458 if err != nil {
1459 t.Fatal(err)
1460 }
1461
1462 template := CertificateRequest{
1463 Subject: pkix.Name{
1464 CommonName: "test.example.com",
1465 Organization: []string{"Σ Acme Co"},
1466 },
1467 DNSNames: []string{"test.example.com"},
1468
1469
1470
1471 ExtraExtensions: []pkix.Extension{
1472 {
1473 Id: oidExtensionSubjectAltName,
1474 Value: sanContents,
1475 Critical: true,
1476 },
1477 },
1478 }
1479
1480 csr := marshalAndParseCSR(t, &template)
1481
1482 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" {
1483 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames)
1484 }
1485
1486 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical {
1487 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions)
1488 }
1489
1490
1491
1492
1493
1494 template.Attributes = []pkix.AttributeTypeAndValueSET{
1495 {
1496 Type: oidExtensionRequest,
1497 Value: [][]pkix.AttributeTypeAndValue{
1498 {
1499 {
1500 Type: oidExtensionAuthorityInfoAccess,
1501 Value: []byte("foo"),
1502 },
1503 },
1504 },
1505 },
1506 }
1507
1508 csr = marshalAndParseCSR(t, &template)
1509 if l := len(csr.Attributes); l != 1 {
1510 t.Errorf("incorrect number of attributes: %d\n", l)
1511 }
1512
1513 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) ||
1514 len(csr.Attributes[0].Value) != 1 ||
1515 len(csr.Attributes[0].Value[0]) != 2 {
1516 t.Errorf("bad attributes: %#v\n", csr.Attributes)
1517 }
1518
1519 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil)
1520 if err != nil {
1521 t.Fatal(err)
1522 }
1523
1524
1525 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{
1526 Type: oidExtensionSubjectAltName,
1527 Value: sanContents2,
1528 })
1529
1530 csr = marshalAndParseCSR(t, &template)
1531
1532 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" {
1533 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames)
1534 }
1535 }
1536
1537 func TestParseCertificateRequest(t *testing.T) {
1538 for _, csrBase64 := range csrBase64Array {
1539 csrBytes := fromBase64(csrBase64)
1540 csr, err := ParseCertificateRequest(csrBytes)
1541 if err != nil {
1542 t.Fatalf("failed to parse CSR: %s", err)
1543 }
1544
1545 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" {
1546 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses)
1547 }
1548
1549 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" {
1550 t.Errorf("incorrect DNS names found: %v", csr.DNSNames)
1551 }
1552
1553 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" {
1554 t.Errorf("incorrect Subject name: %v", csr.Subject)
1555 }
1556
1557 found := false
1558 for _, e := range csr.Extensions {
1559 if e.Id.Equal(oidExtensionBasicConstraints) {
1560 found = true
1561 break
1562 }
1563 }
1564 if !found {
1565 t.Errorf("basic constraints extension not found in CSR")
1566 }
1567 }
1568 }
1569
1570 func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) {
1571
1572
1573 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="
1574
1575 csrBytes := fromBase64(csrBase64)
1576 csr, err := ParseCertificateRequest(csrBytes)
1577 if err != nil {
1578 t.Fatalf("failed to parse CSR: %s", err)
1579 }
1580
1581 expected := []struct {
1582 Id asn1.ObjectIdentifier
1583 Value []byte
1584 }{
1585 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")},
1586 {oidExtensionKeyUsage, fromBase64("AwIChA==")},
1587 }
1588
1589 if n := len(csr.Extensions); n != len(expected) {
1590 t.Fatalf("expected to find %d extensions but found %d", len(expected), n)
1591 }
1592
1593 for i, extension := range csr.Extensions {
1594 if !extension.Id.Equal(expected[i].Id) {
1595 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id)
1596 }
1597
1598 if !bytes.Equal(extension.Value, expected[i].Value) {
1599 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value)
1600 }
1601 }
1602 }
1603
1604
1605
1606 func serialiseAndParse(t *testing.T, template *Certificate) *Certificate {
1607 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey)
1608 if err != nil {
1609 t.Fatalf("failed to create certificate: %s", err)
1610 return nil
1611 }
1612
1613 cert, err := ParseCertificate(derBytes)
1614 if err != nil {
1615 t.Fatalf("failed to parse certificate: %s", err)
1616 return nil
1617 }
1618
1619 return cert
1620 }
1621
1622 func TestMaxPathLenNotCA(t *testing.T) {
1623 template := &Certificate{
1624 SerialNumber: big.NewInt(1),
1625 Subject: pkix.Name{
1626 CommonName: "Σ Acme Co",
1627 },
1628 NotBefore: time.Unix(1000, 0),
1629 NotAfter: time.Unix(100000, 0),
1630
1631 BasicConstraintsValid: true,
1632 IsCA: false,
1633 }
1634 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1635 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m)
1636 }
1637
1638 template.MaxPathLen = -1
1639 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1640 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m)
1641 }
1642
1643 template.MaxPathLen = 5
1644 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1645 t.Error("specifying a MaxPathLen when IsCA is false should fail")
1646 }
1647
1648 template.MaxPathLen = 0
1649 template.MaxPathLenZero = true
1650 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1651 t.Error("setting MaxPathLenZero when IsCA is false should fail")
1652 }
1653
1654 template.BasicConstraintsValid = false
1655 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 {
1656 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m)
1657 }
1658 }
1659
1660 func TestMaxPathLen(t *testing.T) {
1661 template := &Certificate{
1662 SerialNumber: big.NewInt(1),
1663 Subject: pkix.Name{
1664 CommonName: "Σ Acme Co",
1665 },
1666 NotBefore: time.Unix(1000, 0),
1667 NotAfter: time.Unix(100000, 0),
1668
1669 BasicConstraintsValid: true,
1670 IsCA: true,
1671 }
1672
1673 cert1 := serialiseAndParse(t, template)
1674 if m := cert1.MaxPathLen; m != -1 {
1675 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m)
1676 }
1677 if cert1.MaxPathLenZero {
1678 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero")
1679 }
1680
1681 template.MaxPathLen = 1
1682 cert2 := serialiseAndParse(t, template)
1683 if m := cert2.MaxPathLen; m != 1 {
1684 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m)
1685 }
1686 if cert2.MaxPathLenZero {
1687 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero")
1688 }
1689
1690 template.MaxPathLen = 0
1691 template.MaxPathLenZero = true
1692 cert3 := serialiseAndParse(t, template)
1693 if m := cert3.MaxPathLen; m != 0 {
1694 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m)
1695 }
1696 if !cert3.MaxPathLenZero {
1697 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero")
1698 }
1699 }
1700
1701 func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) {
1702 template := &Certificate{
1703 SerialNumber: big.NewInt(1),
1704 Subject: pkix.Name{
1705 CommonName: "Σ Acme Co",
1706 },
1707 NotBefore: time.Unix(1000, 0),
1708 NotAfter: time.Unix(100000, 0),
1709
1710 BasicConstraintsValid: true,
1711 IsCA: true,
1712 SubjectKeyId: []byte{1, 2, 3, 4},
1713 }
1714
1715 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 {
1716 t.Fatalf("self-signed certificate contained default authority key id")
1717 }
1718
1719 template.AuthorityKeyId = []byte{1, 2, 3, 4}
1720 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 {
1721 t.Fatalf("self-signed certificate erased explicit authority key id")
1722 }
1723 }
1724
1725 func TestNoSubjectKeyIdInCert(t *testing.T) {
1726 template := &Certificate{
1727 SerialNumber: big.NewInt(1),
1728 Subject: pkix.Name{
1729 CommonName: "Σ Acme Co",
1730 },
1731 NotBefore: time.Unix(1000, 0),
1732 NotAfter: time.Unix(100000, 0),
1733
1734 BasicConstraintsValid: true,
1735 IsCA: true,
1736 }
1737 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1738 t.Fatalf("self-signed certificate did not generate subject key id using the public key")
1739 }
1740
1741 template.IsCA = false
1742 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 {
1743 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA")
1744 }
1745
1746 template.SubjectKeyId = []byte{1, 2, 3, 4}
1747 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1748 t.Fatalf("self-signed certificate erased explicit subject key id")
1749 }
1750 }
1751
1752 func TestASN1BitLength(t *testing.T) {
1753 tests := []struct {
1754 bytes []byte
1755 bitLen int
1756 }{
1757 {nil, 0},
1758 {[]byte{0x00}, 0},
1759 {[]byte{0x00, 0x00}, 0},
1760 {[]byte{0xf0}, 4},
1761 {[]byte{0x88}, 5},
1762 {[]byte{0xff}, 8},
1763 {[]byte{0xff, 0x80}, 9},
1764 {[]byte{0xff, 0x81}, 16},
1765 }
1766
1767 for i, test := range tests {
1768 if got := asn1BitLength(test.bytes); got != test.bitLen {
1769 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen)
1770 }
1771 }
1772 }
1773
1774 func TestVerifyEmptyCertificate(t *testing.T) {
1775 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed {
1776 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed)
1777 }
1778 }
1779
1780 func TestInsecureAlgorithmErrorString(t *testing.T) {
1781 tests := []struct {
1782 sa SignatureAlgorithm
1783 want string
1784 }{
1785 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"},
1786 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA (temporarily override with GODEBUG=x509sha1=1)"},
1787 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1 (temporarily override with GODEBUG=x509sha1=1)"},
1788 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm MD2-RSA"},
1789 {-1, "x509: cannot verify signature: insecure algorithm -1"},
1790 {0, "x509: cannot verify signature: insecure algorithm 0"},
1791 {9999, "x509: cannot verify signature: insecure algorithm 9999"},
1792 }
1793 for i, tt := range tests {
1794 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want {
1795 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want)
1796 }
1797 }
1798 }
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811 var csrBase64Array = [...]string{
1812
1813 "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",
1814
1815 "MIIDaTCCAlECAQAwfjELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEUMBIGA1UEAwwLQ29tbW9uIE5hbWUxITAfBgkqhkiG9w0BCQEWEnRlc3RAZW1haWwuYWRkcmVzczCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAK1GY4YFx2ujlZEOJxQVYmsjUnLsd5nFVnNpLE4cV+77sgv9NPNlB8uhn3MXt5leD34rm/2BisCHOifPucYlSrszo2beuKhvwn4+2FxDmWtBEMu/QA16L5IvoOfYZm/gJTsPwKDqvaR0tTU67a9OtxwNTBMI56YKtmwd/o8d3hYv9cg+9ZGAZ/gKONcg/OWYx/XRh6bd0g8DMbCikpWgXKDsvvK1Nk+VtkDO1JxuBaj4Lz/p/MifTfnHoqHxWOWl4EaTs4Ychxsv34/rSj1KD1tJqorIv5Xv2aqv4sjxfbrYzX4kvS5SC1goIovLnhj5UjmQ3Qy8u65eow/LLWw+YFcCAwEAAaCBpTAgBgkqhkiG9w0BCQcxEwwRaWdub3JlZCBjaGFsbGVuZ2UwKAYJKoZIhvcNAQkCMRsMGWlnbm9yZWQgdW5zdHJ1Y3R1cmVkIG5hbWUwVwYJKoZIhvcNAQkOMUowSDAJBgNVHRMEAjAAMAsGA1UdDwQEAwIF4DAuBgNVHREEJzAlgRFnb3BoZXJAZ29sYW5nLm9yZ4IQdGVzdC5leGFtcGxlLmNvbTANBgkqhkiG9w0BAQsFAAOCAQEAgxe2N5O48EMsYE7o0rZBB0wi3Ov5/yYfnmmVI22Y3sP6VXbLDW0+UWIeSccOhzUCcZ/G4qcrfhhx6gTZTeA01nP7TdTJURvWAH5iFqj9sQ0qnLq6nEcVHij3sG6M5+BxAIVClQBk6lTCzgphc835Fjj6qSLuJ20XHdL5UfUbiJxx299CHgyBRL+hBUIPfz8p+ZgamyAuDLfnj54zzcRVyLlrmMLNPZNll1Q70RxoU6uWvLH8wB8vQe3Q/guSGubLyLRTUQVPh+dw1L4t8MKFWfX/48jwRM4gIRHFHPeAAE9D9YAoqdIvj/iFm/eQ++7DP8MDwOZWsXeB6jjwHuLmkQ==",
1816 }
1817
1818 var md5cert = `
1819 -----BEGIN CERTIFICATE-----
1820 MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB
1821 VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx
1822 MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE
1823 CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB
1824 BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf
1825 Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs
1826 cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB
1827 AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY
1828 cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw
1829 GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa
1830 qViorq4=
1831 -----END CERTIFICATE-----
1832 `
1833
1834 func TestMD5(t *testing.T) {
1835 pemBlock, _ := pem.Decode([]byte(md5cert))
1836 cert, err := ParseCertificate(pemBlock.Bytes)
1837 if err != nil {
1838 t.Fatalf("failed to parse certificate: %s", err)
1839 }
1840 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA {
1841 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA)
1842 }
1843 if err = cert.CheckSignatureFrom(cert); err == nil {
1844 t.Fatalf("certificate verification succeeded incorrectly")
1845 }
1846 if _, ok := err.(InsecureAlgorithmError); !ok {
1847 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1848 }
1849 }
1850
1851 func TestSHA1(t *testing.T) {
1852 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem))
1853 cert, err := ParseCertificate(pemBlock.Bytes)
1854 if err != nil {
1855 t.Fatalf("failed to parse certificate: %s", err)
1856 }
1857 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 {
1858 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1)
1859 }
1860 if err = cert.CheckSignatureFrom(cert); err == nil {
1861 t.Fatalf("certificate verification succeeded incorrectly")
1862 }
1863 if _, ok := err.(InsecureAlgorithmError); !ok {
1864 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1865 }
1866
1867 defer func(old bool) { debugAllowSHA1 = old }(debugAllowSHA1)
1868 debugAllowSHA1 = true
1869
1870 if err = cert.CheckSignatureFrom(cert); err != nil {
1871 t.Fatalf("SHA-1 certificate did not verify with GODEBUG=x509sha1=1: %v", err)
1872 }
1873 }
1874
1875
1876
1877 const certMissingRSANULL = `
1878 -----BEGIN CERTIFICATE-----
1879 MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD
1880 bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4
1881 MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc
1882 MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG
1883 hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE
1884 ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e
1885 E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw
1886 DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A
1887 p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4
1888 hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE
1889 GFGNEH5PlGffo05wc46QkYU=
1890 -----END CERTIFICATE-----`
1891
1892 func TestRSAMissingNULLParameters(t *testing.T) {
1893 block, _ := pem.Decode([]byte(certMissingRSANULL))
1894 if _, err := ParseCertificate(block.Bytes); err == nil {
1895 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter")
1896 } else if !strings.Contains(err.Error(), "missing NULL") {
1897 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err)
1898 }
1899 }
1900
1901 const certISOOID = `
1902 -----BEGIN CERTIFICATE-----
1903 MIIB5TCCAVKgAwIBAgIQtwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN
1904 BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx
1905 DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH
1906 GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86
1907 BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw
1908 5O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw
1909 OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW
1910 V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE
1911 J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2
1912 NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu
1913 MCRtdSdaM7g3
1914 -----END CERTIFICATE-----`
1915
1916 func TestISOOIDInCertificate(t *testing.T) {
1917 block, _ := pem.Decode([]byte(certISOOID))
1918 if cert, err := ParseCertificate(block.Bytes); err != nil {
1919 t.Errorf("certificate with ISO OID failed to parse: %s", err)
1920 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm {
1921 t.Errorf("ISO OID not recognised in certificate")
1922 }
1923 }
1924
1925
1926
1927
1928 const certMultipleRDN = `
1929 -----BEGIN CERTIFICATE-----
1930 MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz
1931 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j
1932 YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz
1933 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy
1934 dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw
1935 MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB
1936 BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM
1937 098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf
1938 HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv
1939 oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI
1940 zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/
1941 y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G
1942 A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF
1943 BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw
1944 b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE
1945 BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln
1946 b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu
1947 c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp
1948 Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292
1949 LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda
1950 gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY
1951 PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ
1952 KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y
1953 BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5
1954 ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9
1955 9C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R
1956 uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd
1957 La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF
1958 DF72IUofoVt7wo0=
1959 -----END CERTIFICATE-----`
1960
1961 func TestMultipleRDN(t *testing.T) {
1962 block, _ := pem.Decode([]byte(certMultipleRDN))
1963 cert, err := ParseCertificate(block.Bytes)
1964 if err != nil {
1965 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err)
1966 }
1967
1968 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want {
1969 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want)
1970 }
1971
1972 if want := "1236484010010"; cert.Subject.SerialNumber != want {
1973 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want)
1974 }
1975 }
1976
1977 func TestSystemCertPool(t *testing.T) {
1978 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
1979 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)")
1980 }
1981 a, err := SystemCertPool()
1982 if err != nil {
1983 t.Fatal(err)
1984 }
1985 b, err := SystemCertPool()
1986 if err != nil {
1987 t.Fatal(err)
1988 }
1989 if !certPoolEqual(a, b) {
1990 t.Fatal("two calls to SystemCertPool had different results")
1991 }
1992 if ok := b.AppendCertsFromPEM([]byte(`
1993 -----BEGIN CERTIFICATE-----
1994 MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw
1995 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2
1996 MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
1997 ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf
1998 cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD
1999 yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM
2000 jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01
2001 IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl
2002 VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF
2003 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC
2004 FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR
2005 BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs
2006 1cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub
2007 YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI
2008 gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq
2009 N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6
2010 pa/O1nF0AfWOpw==
2011 -----END CERTIFICATE-----
2012 `)); !ok {
2013 t.Fatal("AppendCertsFromPEM failed")
2014 }
2015 if reflect.DeepEqual(a, b) {
2016 t.Fatal("changing one pool modified the other")
2017 }
2018 }
2019
2020 const emptyNameConstraintsPEM = `
2021 -----BEGIN CERTIFICATE-----
2022 MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2023 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2024 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2025 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2026 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2027 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2028 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2029 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2030 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2031 AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH
2032 QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb
2033 6L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H
2034 v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M
2035 LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga
2036 nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8
2037 o+WoY6IsCKXV/g==
2038 -----END CERTIFICATE-----`
2039
2040 func TestEmptyNameConstraints(t *testing.T) {
2041 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM))
2042 _, err := ParseCertificate(block.Bytes)
2043 if err == nil {
2044 t.Fatal("unexpected success")
2045 }
2046
2047 const expected = "empty name constraints"
2048 if str := err.Error(); !strings.Contains(str, expected) {
2049 t.Errorf("expected %q in error but got %q", expected, str)
2050 }
2051 }
2052
2053 func TestPKIXNameString(t *testing.T) {
2054 der, err := base64.StdEncoding.DecodeString(certBytes)
2055 if err != nil {
2056 t.Fatal(err)
2057 }
2058 certs, err := ParseCertificates(der)
2059 if err != nil {
2060 t.Fatal(err)
2061 }
2062
2063
2064 rdns := pkix.Name{
2065 Locality: []string{"Gophertown"},
2066 ExtraNames: []pkix.AttributeTypeAndValue{
2067 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2068 }.ToRDNSequence()
2069 nn := pkix.Name{}
2070 nn.FillFromRDNSequence(&rdns)
2071
2072
2073 extra := []pkix.AttributeTypeAndValue{
2074 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}}
2075 extraNotNil := pkix.Name{
2076 Locality: []string{"Gophertown"},
2077 ExtraNames: extra[:0],
2078 Names: []pkix.AttributeTypeAndValue{
2079 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2080 }
2081
2082 tests := []struct {
2083 dn pkix.Name
2084 want string
2085 }{
2086 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2087 {extraNotNil, "L=Gophertown"},
2088 {pkix.Name{
2089 CommonName: "Steve Kille",
2090 Organization: []string{"Isode Limited"},
2091 OrganizationalUnit: []string{"RFCs"},
2092 Locality: []string{"Richmond"},
2093 Province: []string{"Surrey"},
2094 StreetAddress: []string{"The Square"},
2095 PostalCode: []string{"TW9 1DT"},
2096 SerialNumber: "RFC 2253",
2097 Country: []string{"GB"},
2098 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"},
2099 {certs[0].Subject,
2100 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"},
2101 {pkix.Name{
2102 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "},
2103 Country: []string{"US"},
2104 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"},
2105 {pkix.Name{
2106 CommonName: "foo.com",
2107 Organization: []string{"Gopher Industries"},
2108 ExtraNames: []pkix.AttributeTypeAndValue{
2109 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}},
2110 }, "CN=bar.com,O=Gopher Industries"},
2111 {pkix.Name{
2112 Locality: []string{"Gophertown"},
2113 ExtraNames: []pkix.AttributeTypeAndValue{
2114 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2115 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2116
2117 {pkix.Name{
2118 Locality: []string{"Gophertown"},
2119 Names: []pkix.AttributeTypeAndValue{
2120 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2121 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2122
2123 {pkix.Name{
2124 Locality: []string{"Gophertown"},
2125 ExtraNames: []pkix.AttributeTypeAndValue{
2126 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2127 Names: []pkix.AttributeTypeAndValue{
2128 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}},
2129 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2130 }
2131
2132 for i, test := range tests {
2133 if got := test.dn.String(); got != test.want {
2134 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2135 }
2136 }
2137
2138 if extra[0].Value != "backing array" {
2139 t.Errorf("the backing array of an empty ExtraNames got modified by String")
2140 }
2141 }
2142
2143 func TestRDNSequenceString(t *testing.T) {
2144
2145
2146
2147 var (
2148 oidCountry = []int{2, 5, 4, 6}
2149 oidOrganization = []int{2, 5, 4, 10}
2150 oidOrganizationalUnit = []int{2, 5, 4, 11}
2151 oidCommonName = []int{2, 5, 4, 3}
2152 )
2153
2154 tests := []struct {
2155 seq pkix.RDNSequence
2156 want string
2157 }{
2158 {
2159 seq: pkix.RDNSequence{
2160 pkix.RelativeDistinguishedNameSET{
2161 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"},
2162 },
2163 pkix.RelativeDistinguishedNameSET{
2164 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."},
2165 },
2166 pkix.RelativeDistinguishedNameSET{
2167 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"},
2168 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"},
2169 },
2170 },
2171 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US",
2172 },
2173 }
2174
2175 for i, test := range tests {
2176 if got := test.seq.String(); got != test.want {
2177 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2178 }
2179 }
2180 }
2181
2182 const criticalNameConstraintWithUnknownTypePEM = `
2183 -----BEGIN CERTIFICATE-----
2184 MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2185 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2186 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2187 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2188 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2189 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2190 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2191 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2192 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2193 AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A
2194 AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy
2195 im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ
2196 Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl
2197 eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA
2198 /drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO
2199 ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV
2200 /g==
2201 -----END CERTIFICATE-----`
2202
2203 func TestCriticalNameConstraintWithUnknownType(t *testing.T) {
2204 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM))
2205 cert, err := ParseCertificate(block.Bytes)
2206 if err != nil {
2207 t.Fatalf("unexpected parsing failure: %s", err)
2208 }
2209
2210 if l := len(cert.UnhandledCriticalExtensions); l != 1 {
2211 t.Fatalf("expected one unhandled critical extension, but found %d", l)
2212 }
2213 }
2214
2215 const badIPMaskPEM = `
2216 -----BEGIN CERTIFICATE-----
2217 MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk
2218 IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow
2219 FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2220 ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+
2221 8DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj
2222 cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn
2223 cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j
2224 TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa
2225 OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg
2226 DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B
2227 IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV
2228 EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7
2229 VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh
2230 E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a
2231 Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI
2232 pdX+
2233 -----END CERTIFICATE-----`
2234
2235 func TestBadIPMask(t *testing.T) {
2236 block, _ := pem.Decode([]byte(badIPMaskPEM))
2237 _, err := ParseCertificate(block.Bytes)
2238 if err == nil {
2239 t.Fatalf("unexpected success")
2240 }
2241
2242 const expected = "contained invalid mask"
2243 if !strings.Contains(err.Error(), expected) {
2244 t.Fatalf("expected %q in error but got: %s", expected, err)
2245 }
2246 }
2247
2248 const additionalGeneralSubtreePEM = `
2249 -----BEGIN CERTIFICATE-----
2250 MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw
2251 bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2252 MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg
2253 QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow
2254 bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT
2255 GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC
2256 cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW
2257 4kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M
2258 8FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD
2259 dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs
2260 Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/
2261 rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG
2262 Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr
2263 BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w
2264 N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw
2265 AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs
2266 aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK
2267 YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl
2268 Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH
2269 AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv
2270 MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k
2271 ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw
2272 LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2273 gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE
2274 EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB
2275 AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA
2276 A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng
2277 5YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB
2278 dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn
2279 6OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6
2280 8vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE
2281 u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW
2282 i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc
2283 fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo
2284 QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq
2285 nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD
2286 xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw==
2287 -----END CERTIFICATE-----`
2288
2289 func TestAdditionFieldsInGeneralSubtree(t *testing.T) {
2290
2291
2292
2293 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM))
2294 if _, err := ParseCertificate(block.Bytes); err != nil {
2295 t.Fatalf("failed to parse certificate: %s", err)
2296 }
2297 }
2298
2299 func TestEmptySubject(t *testing.T) {
2300 template := Certificate{
2301 SerialNumber: big.NewInt(1),
2302 DNSNames: []string{"example.com"},
2303 }
2304
2305 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2306 if err != nil {
2307 t.Fatalf("failed to create certificate: %s", err)
2308 }
2309
2310 cert, err := ParseCertificate(derBytes)
2311 if err != nil {
2312 t.Fatalf("failed to parse certificate: %s", err)
2313 }
2314
2315 for _, ext := range cert.Extensions {
2316 if ext.Id.Equal(oidExtensionSubjectAltName) {
2317 if !ext.Critical {
2318 t.Fatal("SAN extension is not critical")
2319 }
2320 return
2321 }
2322 }
2323
2324 t.Fatal("SAN extension is missing")
2325 }
2326
2327
2328
2329 const multipleURLsInCRLDPPEM = `
2330 -----BEGIN CERTIFICATE-----
2331 MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB
2332 8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy
2333 dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1
2334 YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3
2335 dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh
2336 IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD
2337 LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG
2338 EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg
2339 Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj
2340 YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA
2341 A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y
2342 TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak
2343 YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL
2344 Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW
2345 jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ
2346 OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV
2347 HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI
2348 oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w
2349 gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93
2350 d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1
2351 ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg
2352 YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h
2353 b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF
2354 BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn
2355 aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v
2356 ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA
2357 A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL
2358 PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex
2359 3Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu
2360 labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6
2361 oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+
2362 eVxXDTCfs7GUlxnjOp5j559X/N0A
2363 -----END CERTIFICATE-----
2364 `
2365
2366 func TestMultipleURLsInCRLDP(t *testing.T) {
2367 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM))
2368 cert, err := ParseCertificate(block.Bytes)
2369 if err != nil {
2370 t.Fatalf("failed to parse certificate: %s", err)
2371 }
2372
2373 want := []string{
2374 "http://epscd.catcert.net/crl/ec-acc.crl",
2375 "http://epscd2.catcert.net/crl/ec-acc.crl",
2376 }
2377 if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) {
2378 t.Errorf("CRL distribution points = %#v, want #%v", got, want)
2379 }
2380 }
2381
2382 const hexPKCS1TestPKCS8Key = "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"
2383 const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50"
2384
2385 var pkcs1MismatchKeyTests = []struct {
2386 hexKey string
2387 errorContains string
2388 }{
2389 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"},
2390 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"},
2391 }
2392
2393 func TestPKCS1MismatchKeyFormat(t *testing.T) {
2394 for i, test := range pkcs1MismatchKeyTests {
2395 derBytes, _ := hex.DecodeString(test.hexKey)
2396 _, err := ParsePKCS1PrivateKey(derBytes)
2397 if !strings.Contains(err.Error(), test.errorContains) {
2398 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
2399 }
2400 }
2401 }
2402
2403 func TestCreateRevocationList(t *testing.T) {
2404 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2405 if err != nil {
2406 t.Fatalf("Failed to generate ECDSA P256 key: %s", err)
2407 }
2408 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader)
2409 if err != nil {
2410 t.Fatalf("Failed to generate Ed25519 key: %s", err)
2411 }
2412 tests := []struct {
2413 name string
2414 key crypto.Signer
2415 issuer *Certificate
2416 template *RevocationList
2417 expectedError string
2418 }{
2419 {
2420 name: "nil template",
2421 key: ec256Priv,
2422 issuer: nil,
2423 template: nil,
2424 expectedError: "x509: template can not be nil",
2425 },
2426 {
2427 name: "nil issuer",
2428 key: ec256Priv,
2429 issuer: nil,
2430 template: &RevocationList{},
2431 expectedError: "x509: issuer can not be nil",
2432 },
2433 {
2434 name: "issuer doesn't have crlSign key usage bit set",
2435 key: ec256Priv,
2436 issuer: &Certificate{
2437 KeyUsage: KeyUsageCertSign,
2438 },
2439 template: &RevocationList{},
2440 expectedError: "x509: issuer must have the crlSign key usage bit set",
2441 },
2442 {
2443 name: "issuer missing SubjectKeyId",
2444 key: ec256Priv,
2445 issuer: &Certificate{
2446 KeyUsage: KeyUsageCRLSign,
2447 },
2448 template: &RevocationList{},
2449 expectedError: "x509: issuer certificate doesn't contain a subject key identifier",
2450 },
2451 {
2452 name: "nextUpdate before thisUpdate",
2453 key: ec256Priv,
2454 issuer: &Certificate{
2455 KeyUsage: KeyUsageCRLSign,
2456 Subject: pkix.Name{
2457 CommonName: "testing",
2458 },
2459 SubjectKeyId: []byte{1, 2, 3},
2460 },
2461 template: &RevocationList{
2462 ThisUpdate: time.Time{}.Add(time.Hour),
2463 NextUpdate: time.Time{},
2464 },
2465 expectedError: "x509: template.ThisUpdate is after template.NextUpdate",
2466 },
2467 {
2468 name: "nil Number",
2469 key: ec256Priv,
2470 issuer: &Certificate{
2471 KeyUsage: KeyUsageCRLSign,
2472 Subject: pkix.Name{
2473 CommonName: "testing",
2474 },
2475 SubjectKeyId: []byte{1, 2, 3},
2476 },
2477 template: &RevocationList{
2478 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2479 NextUpdate: time.Time{}.Add(time.Hour * 48),
2480 },
2481 expectedError: "x509: template contains nil Number field",
2482 },
2483 {
2484 name: "invalid signature algorithm",
2485 key: ec256Priv,
2486 issuer: &Certificate{
2487 KeyUsage: KeyUsageCRLSign,
2488 Subject: pkix.Name{
2489 CommonName: "testing",
2490 },
2491 SubjectKeyId: []byte{1, 2, 3},
2492 },
2493 template: &RevocationList{
2494 SignatureAlgorithm: SHA256WithRSA,
2495 RevokedCertificates: []pkix.RevokedCertificate{
2496 {
2497 SerialNumber: big.NewInt(2),
2498 RevocationTime: time.Time{}.Add(time.Hour),
2499 },
2500 },
2501 Number: big.NewInt(5),
2502 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2503 NextUpdate: time.Time{}.Add(time.Hour * 48),
2504 },
2505 expectedError: "x509: requested SignatureAlgorithm does not match private key type",
2506 },
2507 {
2508 name: "valid",
2509 key: ec256Priv,
2510 issuer: &Certificate{
2511 KeyUsage: KeyUsageCRLSign,
2512 Subject: pkix.Name{
2513 CommonName: "testing",
2514 },
2515 SubjectKeyId: []byte{1, 2, 3},
2516 },
2517 template: &RevocationList{
2518 RevokedCertificates: []pkix.RevokedCertificate{
2519 {
2520 SerialNumber: big.NewInt(2),
2521 RevocationTime: time.Time{}.Add(time.Hour),
2522 },
2523 },
2524 Number: big.NewInt(5),
2525 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2526 NextUpdate: time.Time{}.Add(time.Hour * 48),
2527 },
2528 },
2529 {
2530 name: "valid, Ed25519 key",
2531 key: ed25519Priv,
2532 issuer: &Certificate{
2533 KeyUsage: KeyUsageCRLSign,
2534 Subject: pkix.Name{
2535 CommonName: "testing",
2536 },
2537 SubjectKeyId: []byte{1, 2, 3},
2538 },
2539 template: &RevocationList{
2540 RevokedCertificates: []pkix.RevokedCertificate{
2541 {
2542 SerialNumber: big.NewInt(2),
2543 RevocationTime: time.Time{}.Add(time.Hour),
2544 },
2545 },
2546 Number: big.NewInt(5),
2547 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2548 NextUpdate: time.Time{}.Add(time.Hour * 48),
2549 },
2550 },
2551 {
2552 name: "valid, non-default signature algorithm",
2553 key: ec256Priv,
2554 issuer: &Certificate{
2555 KeyUsage: KeyUsageCRLSign,
2556 Subject: pkix.Name{
2557 CommonName: "testing",
2558 },
2559 SubjectKeyId: []byte{1, 2, 3},
2560 },
2561 template: &RevocationList{
2562 SignatureAlgorithm: ECDSAWithSHA512,
2563 RevokedCertificates: []pkix.RevokedCertificate{
2564 {
2565 SerialNumber: big.NewInt(2),
2566 RevocationTime: time.Time{}.Add(time.Hour),
2567 },
2568 },
2569 Number: big.NewInt(5),
2570 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2571 NextUpdate: time.Time{}.Add(time.Hour * 48),
2572 },
2573 },
2574 {
2575 name: "valid, extra extension",
2576 key: ec256Priv,
2577 issuer: &Certificate{
2578 KeyUsage: KeyUsageCRLSign,
2579 Subject: pkix.Name{
2580 CommonName: "testing",
2581 },
2582 SubjectKeyId: []byte{1, 2, 3},
2583 },
2584 template: &RevocationList{
2585 RevokedCertificates: []pkix.RevokedCertificate{
2586 {
2587 SerialNumber: big.NewInt(2),
2588 RevocationTime: time.Time{}.Add(time.Hour),
2589 },
2590 },
2591 Number: big.NewInt(5),
2592 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2593 NextUpdate: time.Time{}.Add(time.Hour * 48),
2594 ExtraExtensions: []pkix.Extension{
2595 {
2596 Id: []int{2, 5, 29, 99},
2597 Value: []byte{5, 0},
2598 },
2599 },
2600 },
2601 },
2602 {
2603 name: "valid, empty list",
2604 key: ec256Priv,
2605 issuer: &Certificate{
2606 KeyUsage: KeyUsageCRLSign,
2607 Subject: pkix.Name{
2608 CommonName: "testing",
2609 },
2610 SubjectKeyId: []byte{1, 2, 3},
2611 },
2612 template: &RevocationList{
2613 Number: big.NewInt(5),
2614 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2615 NextUpdate: time.Time{}.Add(time.Hour * 48),
2616 },
2617 },
2618 }
2619
2620 for _, tc := range tests {
2621 t.Run(tc.name, func(t *testing.T) {
2622 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key)
2623 if err != nil && tc.expectedError == "" {
2624 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err)
2625 } else if err != nil && tc.expectedError != err.Error() {
2626 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err)
2627 } else if err == nil && tc.expectedError != "" {
2628 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError)
2629 }
2630 if tc.expectedError != "" {
2631 return
2632 }
2633
2634 parsedCRL, err := ParseDERCRL(crl)
2635 if err != nil {
2636 t.Fatalf("Failed to parse generated CRL: %s", err)
2637 }
2638
2639 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm &&
2640 parsedCRL.SignatureAlgorithm.Algorithm.Equal(signatureAlgorithmDetails[tc.template.SignatureAlgorithm].oid) {
2641 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm,
2642 tc.template.SignatureAlgorithm)
2643 }
2644
2645 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, tc.template.RevokedCertificates) {
2646 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.",
2647 parsedCRL.TBSCertList.RevokedCertificates, tc.template.RevokedCertificates)
2648 }
2649
2650 if len(parsedCRL.TBSCertList.Extensions) != 2+len(tc.template.ExtraExtensions) {
2651 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.TBSCertList.Extensions))
2652 }
2653 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId})
2654 if err != nil {
2655 t.Fatalf("asn1.Marshal failed: %s", err)
2656 }
2657 akiExt := pkix.Extension{
2658 Id: oidExtensionAuthorityKeyId,
2659 Value: expectedAKI,
2660 }
2661 if !reflect.DeepEqual(parsedCRL.TBSCertList.Extensions[0], akiExt) {
2662 t.Fatalf("Unexpected first extension: got %v, want %v",
2663 parsedCRL.TBSCertList.Extensions[0], akiExt)
2664 }
2665 expectedNum, err := asn1.Marshal(tc.template.Number)
2666 if err != nil {
2667 t.Fatalf("asn1.Marshal failed: %s", err)
2668 }
2669 crlExt := pkix.Extension{
2670 Id: oidExtensionCRLNumber,
2671 Value: expectedNum,
2672 }
2673 if !reflect.DeepEqual(parsedCRL.TBSCertList.Extensions[1], crlExt) {
2674 t.Fatalf("Unexpected second extension: got %v, want %v",
2675 parsedCRL.TBSCertList.Extensions[1], crlExt)
2676 }
2677 if len(parsedCRL.TBSCertList.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 {
2678
2679
2680 return
2681 }
2682 if !reflect.DeepEqual(parsedCRL.TBSCertList.Extensions[2:], tc.template.ExtraExtensions) {
2683 t.Fatalf("Extensions mismatch: got %v; want %v.",
2684 parsedCRL.TBSCertList.Extensions[2:], tc.template.ExtraExtensions)
2685 }
2686 })
2687 }
2688 }
2689
2690 func TestRSAPSAParameters(t *testing.T) {
2691 generateParams := func(hashFunc crypto.Hash) []byte {
2692 var hashOID asn1.ObjectIdentifier
2693
2694 switch hashFunc {
2695 case crypto.SHA256:
2696 hashOID = oidSHA256
2697 case crypto.SHA384:
2698 hashOID = oidSHA384
2699 case crypto.SHA512:
2700 hashOID = oidSHA512
2701 }
2702
2703 params := pssParameters{
2704 Hash: pkix.AlgorithmIdentifier{
2705 Algorithm: hashOID,
2706 Parameters: asn1.NullRawValue,
2707 },
2708 MGF: pkix.AlgorithmIdentifier{
2709 Algorithm: oidMGF1,
2710 },
2711 SaltLength: hashFunc.Size(),
2712 TrailerField: 1,
2713 }
2714
2715 mgf1Params := pkix.AlgorithmIdentifier{
2716 Algorithm: hashOID,
2717 Parameters: asn1.NullRawValue,
2718 }
2719
2720 var err error
2721 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params)
2722 if err != nil {
2723 t.Fatalf("failed to marshal MGF parameters: %s", err)
2724 }
2725
2726 serialized, err := asn1.Marshal(params)
2727 if err != nil {
2728 t.Fatalf("failed to marshal parameters: %s", err)
2729 }
2730
2731 return serialized
2732 }
2733
2734 for h, params := range hashToPSSParameters {
2735 generated := generateParams(h)
2736 if !bytes.Equal(params.FullBytes, generated) {
2737 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", h, generated, params.FullBytes)
2738 }
2739 }
2740 }
2741
2742 func TestUnknownExtKey(t *testing.T) {
2743 const errorContains = "unknown extended key usage"
2744
2745 template := &Certificate{
2746 SerialNumber: big.NewInt(10),
2747 DNSNames: []string{"foo"},
2748 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)},
2749 }
2750 signer, err := rsa.GenerateKey(rand.Reader, 1024)
2751 if err != nil {
2752 t.Errorf("failed to generate key for TestUnknownExtKey")
2753 }
2754
2755 _, err = CreateCertificate(rand.Reader, template, template, signer.Public(), signer)
2756 if !strings.Contains(err.Error(), errorContains) {
2757 t.Errorf("expected error containing %q, got %s", errorContains, err)
2758 }
2759 }
2760
2761 func TestIA5SANEnforcement(t *testing.T) {
2762 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2763 if err != nil {
2764 t.Fatalf("ecdsa.GenerateKey failed: %s", err)
2765 }
2766
2767 testURL, err := url.Parse("https://example.com/")
2768 if err != nil {
2769 t.Fatalf("url.Parse failed: %s", err)
2770 }
2771 testURL.RawQuery = "∞"
2772
2773 marshalTests := []struct {
2774 name string
2775 template *Certificate
2776 expectedError string
2777 }{
2778 {
2779 name: "marshal: unicode dNSName",
2780 template: &Certificate{
2781 SerialNumber: big.NewInt(0),
2782 DNSNames: []string{"∞"},
2783 },
2784 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
2785 },
2786 {
2787 name: "marshal: unicode rfc822Name",
2788 template: &Certificate{
2789 SerialNumber: big.NewInt(0),
2790 EmailAddresses: []string{"∞"},
2791 },
2792 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
2793 },
2794 {
2795 name: "marshal: unicode uniformResourceIdentifier",
2796 template: &Certificate{
2797 SerialNumber: big.NewInt(0),
2798 URIs: []*url.URL{testURL},
2799 },
2800 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String",
2801 },
2802 }
2803
2804 for _, tc := range marshalTests {
2805 t.Run(tc.name, func(t *testing.T) {
2806 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k)
2807 if err == nil {
2808 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template)
2809 } else if err.Error() != tc.expectedError {
2810 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
2811 }
2812 })
2813 }
2814
2815 unmarshalTests := []struct {
2816 name string
2817 cert string
2818 expectedError string
2819 }{
2820 {
2821 name: "unmarshal: unicode dNSName",
2822 cert: "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",
2823 expectedError: "x509: SAN dNSName is malformed",
2824 },
2825 {
2826 name: "unmarshal: unicode rfc822Name",
2827 cert: "308201083081aea003020102020100300a06082a8648ce3d04030230003022180f30303031303130313030303030305a180f30303031303130313030303030305a30003059301306072a8648ce3d020106082a8648ce3d0301070342000405cb4c4ba72aac980f7b11b0285191425e29e196ce7c5df1c83f56886566e517f196657cc1b73de89ab84ce503fd634e2f2af88fde24c63ca536dc3a5eed2665a315301330110603551d110101ff040730058103e2889e300a06082a8648ce3d0403020349003046022100ed1431cd4b9bb03d88d1511a0ec128a51204375764c716280dc36e2a60142c8902210088c96d25cfaf97eea851ff17d87bb6fe619d6546656e1739f35c3566051c3d0f",
2828 expectedError: "x509: SAN rfc822Name is malformed",
2829 },
2830 {
2831 name: "unmarshal: unicode uniformResourceIdentifier",
2832 cert: "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",
2833 expectedError: "x509: SAN uniformResourceIdentifier is malformed",
2834 },
2835 }
2836
2837 for _, tc := range unmarshalTests {
2838 der, err := hex.DecodeString(tc.cert)
2839 if err != nil {
2840 t.Fatalf("failed to decode test cert: %s", err)
2841 }
2842 _, err = ParseCertificate(der)
2843 if err == nil {
2844 t.Error("expected CreateCertificate to fail")
2845 } else if err.Error() != tc.expectedError {
2846 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
2847 }
2848 }
2849 }
2850
2851 func BenchmarkCreateCertificate(b *testing.B) {
2852 template := &Certificate{
2853 SerialNumber: big.NewInt(10),
2854 DNSNames: []string{"example.com"},
2855 }
2856 tests := []struct {
2857 name string
2858 gen func() crypto.Signer
2859 }{
2860 {
2861 name: "RSA 2048",
2862 gen: func() crypto.Signer {
2863 k, err := rsa.GenerateKey(rand.Reader, 2048)
2864 if err != nil {
2865 b.Fatalf("failed to generate test key: %s", err)
2866 }
2867 return k
2868 },
2869 },
2870 {
2871 name: "ECDSA P256",
2872 gen: func() crypto.Signer {
2873 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2874 if err != nil {
2875 b.Fatalf("failed to generate test key: %s", err)
2876 }
2877 return k
2878 },
2879 },
2880 }
2881
2882 for _, tc := range tests {
2883 k := tc.gen()
2884 b.ResetTimer()
2885 b.Run(tc.name, func(b *testing.B) {
2886 for i := 0; i < b.N; i++ {
2887 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k)
2888 if err != nil {
2889 b.Fatalf("failed to create certificate: %s", err)
2890 }
2891 }
2892 })
2893 }
2894 }
2895
2896 type brokenSigner struct {
2897 pub crypto.PublicKey
2898 }
2899
2900 func (bs *brokenSigner) Public() crypto.PublicKey {
2901 return bs.pub
2902 }
2903
2904 func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) {
2905 return []byte{1, 2, 3}, nil
2906 }
2907
2908 func TestCreateCertificateBrokenSigner(t *testing.T) {
2909 template := &Certificate{
2910 SerialNumber: big.NewInt(10),
2911 DNSNames: []string{"example.com"},
2912 }
2913 k, err := rsa.GenerateKey(rand.Reader, 1024)
2914 if err != nil {
2915 t.Fatalf("failed to generate test key: %s", err)
2916 }
2917 expectedErr := "x509: signature over certificate returned by signer is invalid: crypto/rsa: verification error"
2918 _, err = CreateCertificate(rand.Reader, template, template, k.Public(), &brokenSigner{k.Public()})
2919 if err == nil {
2920 t.Fatal("expected CreateCertificate to fail with a broken signer")
2921 } else if err.Error() != expectedErr {
2922 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr)
2923 }
2924 }
2925
2926 func TestCreateCertificateLegacy(t *testing.T) {
2927 sigAlg := MD5WithRSA
2928 template := &Certificate{
2929 SerialNumber: big.NewInt(10),
2930 DNSNames: []string{"example.com"},
2931 SignatureAlgorithm: sigAlg,
2932 }
2933 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
2934 if err != nil {
2935 t.Fatalf("CreateCertificate failed when SignatureAlgorithm = %v: %s", sigAlg, err)
2936 }
2937 }
2938
2939 func (s *CertPool) mustCert(t *testing.T, n int) *Certificate {
2940 c, err := s.lazyCerts[n].getCert()
2941 if err != nil {
2942 t.Fatalf("failed to load cert %d: %v", n, err)
2943 }
2944 return c
2945 }
2946
2947 func allCerts(t *testing.T, p *CertPool) []*Certificate {
2948 all := make([]*Certificate, p.len())
2949 for i := range all {
2950 all[i] = p.mustCert(t, i)
2951 }
2952 return all
2953 }
2954
2955
2956
2957 func certPoolEqual(a, b *CertPool) bool {
2958 if (a != nil) != (b != nil) {
2959 return false
2960 }
2961 if a == nil {
2962 return true
2963 }
2964 if !reflect.DeepEqual(a.byName, b.byName) ||
2965 len(a.lazyCerts) != len(b.lazyCerts) {
2966 return false
2967 }
2968 for i := range a.lazyCerts {
2969 la, lb := a.lazyCerts[i], b.lazyCerts[i]
2970 if !bytes.Equal(la.rawSubject, lb.rawSubject) {
2971 return false
2972 }
2973 ca, err := la.getCert()
2974 if err != nil {
2975 panic(err)
2976 }
2977 cb, err := la.getCert()
2978 if err != nil {
2979 panic(err)
2980 }
2981 if !ca.Equal(cb) {
2982 return false
2983 }
2984 }
2985
2986 return true
2987 }
2988
2989 func TestCertificateRequestRoundtripFields(t *testing.T) {
2990 urlA, err := url.Parse("https://example.com/_")
2991 if err != nil {
2992 t.Fatal(err)
2993 }
2994 urlB, err := url.Parse("https://example.org/_")
2995 if err != nil {
2996 t.Fatal(err)
2997 }
2998 in := &CertificateRequest{
2999 DNSNames: []string{"example.com", "example.org"},
3000 EmailAddresses: []string{"a@example.com", "b@example.com"},
3001 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback},
3002 URIs: []*url.URL{urlA, urlB},
3003 }
3004 out := marshalAndParseCSR(t, in)
3005
3006 if !reflect.DeepEqual(in.DNSNames, out.DNSNames) {
3007 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames)
3008 }
3009 if !reflect.DeepEqual(in.EmailAddresses, out.EmailAddresses) {
3010 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses)
3011 }
3012 if len(in.IPAddresses) != len(out.IPAddresses) ||
3013 !in.IPAddresses[0].Equal(out.IPAddresses[0]) ||
3014 !in.IPAddresses[1].Equal(out.IPAddresses[1]) {
3015 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses)
3016 }
3017 if !reflect.DeepEqual(in.URIs, out.URIs) {
3018 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs)
3019 }
3020 }
3021
3022 func BenchmarkParseCertificate(b *testing.B) {
3023 cases := []struct {
3024 name string
3025 pem string
3026 }{
3027 {
3028 name: "ecdsa leaf",
3029 pem: `-----BEGIN CERTIFICATE-----
3030 MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG
3031 MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
3032 QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw
3033 OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG
3034 SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF
3035 kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC
3036 B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
3037 6SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU
3038 83E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w
3039 a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv
3040 L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t
3041 gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k
3042 ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t
3043 ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j
3044 b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j
3045 boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl
3046 LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv
3047 LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu
3048 Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n
3049 bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds
3050 ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n
3051 b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw
3052 aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv
3053 b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j
3054 boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t
3055 ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t
3056 ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1
3057 YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp
3058 b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C
3059 GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv
3060 cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl
3061 LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds
3062 ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv
3063 b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo
3064 aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1
3065 YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa
3066 MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0
3067 cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB
3068 Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro
3069 gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb
3070 j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr
3071 GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8
3072 DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3
3073 svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx
3074 -----END CERTIFICATE-----`,
3075 },
3076 {
3077 name: "rsa leaf",
3078 pem: `-----BEGIN CERTIFICATE-----
3079 MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw
3080 QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET
3081 MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2
3082 MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH
3083 Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq
3084 Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0
3085 UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h
3086 KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/
3087 n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De
3088 6h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE
3089 fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia
3090 OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l
3091 BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB
3092 k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI
3093 KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n
3094 dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx
3095 TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk
3096 LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk
3097 Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t
3098 cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou
3099 Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n
3100 a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh
3101 ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q
3102 Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC
3103 DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u
3104 bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k
3105 ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n
3106 bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou
3107 Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw
3108 cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq
3109 LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK
3110 Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou
3111 dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j
3112 boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0
3113 dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou
3114 eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j
3115 b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy
3116 b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v
3117 LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h
3118 cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds
3119 ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu
3120 Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i
3121 ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow
3122 KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB
3123 BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM
3124 4WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B
3125 QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1
3126 /65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS
3127 U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n
3128 YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr
3129 Qc4=
3130 -----END CERTIFICATE-----`,
3131 },
3132 }
3133 for _, c := range cases {
3134 b.Run(c.name, func(b *testing.B) {
3135 pemBlock, _ := pem.Decode([]byte(c.pem))
3136 b.ReportAllocs()
3137 b.ResetTimer()
3138 for i := 0; i < b.N; i++ {
3139 _, err := ParseCertificate(pemBlock.Bytes)
3140 if err != nil {
3141 b.Fatal(err)
3142 }
3143 }
3144 })
3145 }
3146 }
3147
3148 func TestParseCertificateRawEquals(t *testing.T) {
3149 p, _ := pem.Decode([]byte(pemCertificate))
3150 cert, err := ParseCertificate(p.Bytes)
3151 if err != nil {
3152 t.Fatalf("failed to parse certificate: %s", err)
3153 }
3154 if !bytes.Equal(p.Bytes, cert.Raw) {
3155 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes)
3156 }
3157 }
3158
3159
3160
3161
3162 const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE-----
3163 MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3164 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3165 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3166 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD
3167 AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q
3168 tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn
3169 -----END CERTIFICATE-----`
3170
3171
3172
3173
3174 const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE-----
3175 MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3176 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3177 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3178 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD
3179 AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi
3180 f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc=
3181 -----END CERTIFICATE-----`
3182
3183 func TestSigAlgMismatch(t *testing.T) {
3184 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} {
3185 b, _ := pem.Decode([]byte(certPEM))
3186 if b == nil {
3187 t.Fatalf("couldn't decode test certificate")
3188 }
3189 _, err := ParseCertificate(b.Bytes)
3190 if err == nil {
3191 t.Fatalf("expected ParseCertificate to fail")
3192 }
3193 expected := "x509: inner and outer signature algorithm identifiers don't match"
3194 if err.Error() != expected {
3195 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected)
3196 }
3197 }
3198 }
3199
3200 const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE-----
3201 MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh
3202 bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu
3203 Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g
3204 QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe
3205 BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX
3206 DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs
3207 ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy
3208 IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A
3209 MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7
3210 JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n
3211 WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4
3212 uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N
3213 rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v
3214 1vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/
3215 X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD
3216 VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD
3217 ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp
3218 ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j
3219 b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB
3220 Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j
3221 c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl
3222 cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js
3223 MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm
3224 aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD
3225 AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr
3226 mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So
3227 GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV
3228 FxdzPcwl
3229 -----END CERTIFICATE-----`
3230
3231 func TestAuthKeyIdOptional(t *testing.T) {
3232 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM))
3233 if b == nil {
3234 t.Fatalf("couldn't decode test certificate")
3235 }
3236 _, err := ParseCertificate(b.Bytes)
3237 if err != nil {
3238 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err)
3239 }
3240 }
3241
3242 const largeOIDPEM = `
3243 Certificate:
3244 Data:
3245 Version: 3 (0x2)
3246 Serial Number:
3247 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02
3248 Signature Algorithm: sha256WithRSAEncryption
3249 Issuer: O = Acme Co
3250 Validity
3251 Not Before: Dec 21 16:59:27 2021 GMT
3252 Not After : Dec 21 16:59:27 2022 GMT
3253 Subject: O = Acme Co
3254 Subject Public Key Info:
3255 Public Key Algorithm: rsaEncryption
3256 RSA Public-Key: (2048 bit)
3257 Modulus:
3258 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78:
3259 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14:
3260 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69:
3261 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c:
3262 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc:
3263 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb:
3264 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb:
3265 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f:
3266 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21:
3267 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94:
3268 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4:
3269 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa:
3270 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58:
3271 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d:
3272 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17:
3273 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21:
3274 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a:
3275 c6:bf
3276 Exponent: 65537 (0x10001)
3277 X509v3 extensions:
3278 X509v3 Key Usage: critical
3279 Digital Signature, Key Encipherment
3280 X509v3 Extended Key Usage:
3281 TLS Web Server Authentication
3282 X509v3 Basic Constraints: critical
3283 CA:FALSE
3284 X509v3 Subject Alternative Name:
3285 DNS:longOID.example
3286 X509v3 Certificate Policies:
3287 Policy: 1.3.6.1.4.1.311.21.8.1492336001
3288
3289 Signature Algorithm: sha256WithRSAEncryption
3290 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79:
3291 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c:
3292 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31:
3293 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe:
3294 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae:
3295 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c:
3296 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06:
3297 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3:
3298 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07:
3299 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80:
3300 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43:
3301 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72:
3302 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8:
3303 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f:
3304 a6:ba:88:6c
3305 -----BEGIN CERTIFICATE-----
3306 MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw
3307 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5
3308 MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
3309 ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR
3310 6FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ
3311 y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx
3312 OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi
3313 IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI
3314 E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF
3315 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC
3316 D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G
3317 CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U
3318 dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr
3319 WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX
3320 0E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr
3321 CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH
3322 Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs
3323 -----END CERTIFICATE-----`
3324
3325 func TestLargeOID(t *testing.T) {
3326
3327 b, _ := pem.Decode([]byte(largeOIDPEM))
3328 if b == nil {
3329 t.Fatalf("couldn't decode test certificate")
3330 }
3331 _, err := ParseCertificate(b.Bytes)
3332 if err != nil {
3333 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err)
3334 }
3335 }
3336
3337 func TestDisableSHA1ForCertOnly(t *testing.T) {
3338 defer func(old bool) { debugAllowSHA1 = old }(debugAllowSHA1)
3339 debugAllowSHA1 = false
3340
3341 tmpl := &Certificate{
3342 SerialNumber: big.NewInt(1),
3343 NotBefore: time.Now().Add(-time.Hour),
3344 NotAfter: time.Now().Add(time.Hour),
3345 SignatureAlgorithm: SHA1WithRSA,
3346 BasicConstraintsValid: true,
3347 IsCA: true,
3348 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign,
3349 }
3350 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey)
3351 if err != nil {
3352 t.Fatalf("failed to generate test cert: %s", err)
3353 }
3354 cert, err := ParseCertificate(certDER)
3355 if err != nil {
3356 t.Fatalf("failed to parse test cert: %s", err)
3357 }
3358
3359 err = cert.CheckSignatureFrom(cert)
3360 if err == nil {
3361 t.Error("expected CheckSignatureFrom to fail")
3362 } else if _, ok := err.(InsecureAlgorithmError); !ok {
3363 t.Errorf("expected InsecureAlgorithmError error, got %T", err)
3364 }
3365
3366 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{
3367 SignatureAlgorithm: SHA1WithRSA,
3368 Number: big.NewInt(1),
3369 ThisUpdate: time.Now().Add(-time.Hour),
3370 NextUpdate: time.Now().Add(time.Hour),
3371 }, cert, rsaPrivateKey)
3372 if err != nil {
3373 t.Fatalf("failed to generate test CRL: %s", err)
3374 }
3375
3376 crl, err := ParseCRL(crlDER)
3377 if err != nil {
3378 t.Fatalf("failed to parse test CRL: %s", err)
3379 }
3380
3381 if err = cert.CheckCRLSignature(crl); err != nil {
3382 t.Errorf("unexpected error: %s", err)
3383 }
3384
3385
3386
3387
3388 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a"
3389 ocspTBS, err := hex.DecodeString(ocspTBSHex)
3390 if err != nil {
3391 t.Fatalf("failed to decode OCSP response TBS hex: %s", err)
3392 }
3393
3394 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil)
3395 if err != rsa.ErrVerification {
3396 t.Errorf("unexpected error: %s", err)
3397 }
3398 }
3399
3400 const uniqueIDPEM = `-----BEGIN CERTIFICATE-----
3401 MIIFsDCCBJigAwIBAgIIrOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG
3402 A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA
3403 VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA
3404 dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx
3405 ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI
3406 EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl
3407 aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV
3408 BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB
3409 AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4
3410 PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp
3411 4iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf
3412 gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU
3413 BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX
3414 Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo
3415 cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y
3416 dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz
3417 Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl
3418 bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP
3419 aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl
3420 AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT
3421 BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF
3422 6xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv
3423 AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT
3424 ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv
3425 AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD
3426 ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG
3427 Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ
3428 eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ
3429 WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5
3430 TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt
3431 yYLwhUhg3PX5Co1VKYE+9TxloiE=
3432 -----END CERTIFICATE-----`
3433
3434 func TestParseUniqueID(t *testing.T) {
3435 b, _ := pem.Decode([]byte(uniqueIDPEM))
3436 if b == nil {
3437 t.Fatalf("couldn't decode test certificate")
3438 }
3439 cert, err := ParseCertificate(b.Bytes)
3440 if err != nil {
3441 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err)
3442 }
3443 if len(cert.Extensions) != 7 {
3444 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions))
3445 }
3446 }
3447
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