Source file
src/crypto/x509/x509_test.go
1
2
3
4
5 package x509
6
7 import (
8 "bytes"
9 "crypto"
10 "crypto/dsa"
11 "crypto/ecdh"
12 "crypto/ecdsa"
13 "crypto/ed25519"
14 "crypto/elliptic"
15 "crypto/rand"
16 "crypto/rsa"
17 _ "crypto/sha256"
18 _ "crypto/sha512"
19 "crypto/x509/pkix"
20 "encoding/asn1"
21 "encoding/base64"
22 "encoding/gob"
23 "encoding/hex"
24 "encoding/pem"
25 "errors"
26 "fmt"
27 "internal/testenv"
28 "io"
29 "math"
30 "math/big"
31 "net"
32 "net/url"
33 "os/exec"
34 "reflect"
35 "runtime"
36 "slices"
37 "strings"
38 "testing"
39 "time"
40 )
41
42 func TestParsePKCS1PrivateKey(t *testing.T) {
43 block, _ := pem.Decode([]byte(pemPrivateKey))
44 priv, err := ParsePKCS1PrivateKey(block.Bytes)
45 if err != nil {
46 t.Errorf("Failed to parse private key: %s", err)
47 return
48 }
49 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
50 priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
51 priv.D.Cmp(rsaPrivateKey.D) != 0 ||
52 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 ||
53 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 {
54 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
55 }
56
57
58
59 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00")
60 if _, err := ParsePKCS1PrivateKey(data); err == nil {
61 t.Errorf("parsing invalid private key did not result in an error")
62 }
63
64
65 b, _ := asn1.Marshal(struct {
66 Version int
67 N *big.Int
68 E int
69 D *big.Int
70 P *big.Int
71 Q *big.Int
72 }{
73 N: priv.N,
74 E: priv.PublicKey.E,
75 D: priv.D,
76 P: priv.Primes[0],
77 Q: priv.Primes[1],
78 })
79 p2, err := ParsePKCS1PrivateKey(b)
80 if err != nil {
81 t.Fatalf("parsing partial private key resulted in an error: %v", err)
82 }
83 if !p2.Equal(priv) {
84 t.Errorf("partial private key did not match original key")
85 }
86 if p2.Precomputed.Dp == nil || p2.Precomputed.Dq == nil || p2.Precomputed.Qinv == nil {
87 t.Errorf("precomputed values not recomputed")
88 }
89 }
90
91 func TestPKCS1MismatchPublicKeyFormat(t *testing.T) {
92
93 const pkixPublicKey = "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"
94 const errorContains = "use ParsePKIXPublicKey instead"
95 derBytes, _ := hex.DecodeString(pkixPublicKey)
96 _, err := ParsePKCS1PublicKey(derBytes)
97 if !strings.Contains(err.Error(), errorContains) {
98 t.Errorf("expected error containing %q, got %s", errorContains, err)
99 }
100 }
101
102 func TestMarshalInvalidPublicKey(t *testing.T) {
103 _, err := MarshalPKIXPublicKey(&ecdsa.PublicKey{})
104 if err == nil {
105 t.Errorf("expected error, got MarshalPKIXPublicKey success")
106 }
107 _, err = MarshalPKIXPublicKey(&ecdsa.PublicKey{
108 Curve: elliptic.P256(),
109 X: big.NewInt(1), Y: big.NewInt(2),
110 })
111 if err == nil {
112 t.Errorf("expected error, got MarshalPKIXPublicKey success")
113 }
114 }
115
116 func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) {
117 block, _ := pem.Decode([]byte(pemBytes))
118 pub, err := ParsePKIXPublicKey(block.Bytes)
119 if err != nil {
120 t.Fatalf("Failed to parse public key: %s", err)
121 }
122
123 pubBytes2, err := MarshalPKIXPublicKey(pub)
124 if err != nil {
125 t.Errorf("Failed to marshal public key for the second time: %s", err)
126 return
127 }
128 if !bytes.Equal(pubBytes2, block.Bytes) {
129 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes)
130 }
131 return
132 }
133
134 func TestParsePKIXPublicKey(t *testing.T) {
135 t.Run("RSA", func(t *testing.T) {
136 pub := testParsePKIXPublicKey(t, pemPublicKey)
137 _, ok := pub.(*rsa.PublicKey)
138 if !ok {
139 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key")
140 }
141 })
142 t.Run("Ed25519", func(t *testing.T) {
143 pub := testParsePKIXPublicKey(t, pemEd25519Key)
144 _, ok := pub.(ed25519.PublicKey)
145 if !ok {
146 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key")
147 }
148 })
149 t.Run("X25519", func(t *testing.T) {
150 pub := testParsePKIXPublicKey(t, pemX25519Key)
151 k, ok := pub.(*ecdh.PublicKey)
152 if !ok || k.Curve() != ecdh.X25519() {
153 t.Errorf("Value returned from ParsePKIXPublicKey was not an X25519 public key")
154 }
155 })
156 }
157
158 var pemPublicKey = `-----BEGIN PUBLIC KEY-----
159 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+
160 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k
161 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ
162 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg
163 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR
164 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ
165 +QIDAQAB
166 -----END PUBLIC KEY-----
167 `
168
169 var pemPrivateKey = testingKey(`
170 -----BEGIN RSA TESTING KEY-----
171 MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v
172 IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7
173 J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB
174 AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1
175 V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd
176 7gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R
177 vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12
178 33QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS
179 rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi
180 MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX
181 AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo
182 6vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6
183 wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY=
184 -----END RSA TESTING KEY-----
185 `)
186
187
188 var pemEd25519Key = `
189 -----BEGIN PUBLIC KEY-----
190 MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=
191 -----END PUBLIC KEY-----
192 `
193
194
195 var pemX25519Key = `
196 -----BEGIN PUBLIC KEY-----
197 MCowBQYDK2VuAyEA5yGXrH/6OzxuWEhEWS01/f4OP+Of3Yrddy6/J1kDTVM=
198 -----END PUBLIC KEY-----
199 `
200
201 func TestPKIXMismatchPublicKeyFormat(t *testing.T) {
202
203 const pkcs1PublicKey = "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"
204 const errorContains = "use ParsePKCS1PublicKey instead"
205 derBytes, _ := hex.DecodeString(pkcs1PublicKey)
206 _, err := ParsePKIXPublicKey(derBytes)
207 if !strings.Contains(err.Error(), errorContains) {
208 t.Errorf("expected error containing %q, got %s", errorContains, err)
209 }
210 }
211
212 var testPrivateKey *rsa.PrivateKey
213
214 func init() {
215 block, _ := pem.Decode([]byte(pemPrivateKey))
216
217 var err error
218 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil {
219 panic("Failed to parse private key: " + err.Error())
220 }
221 }
222
223 func bigFromString(s string) *big.Int {
224 ret := new(big.Int)
225 ret.SetString(s, 10)
226 return ret
227 }
228
229 func fromBase10(base10 string) *big.Int {
230 i := new(big.Int)
231 i.SetString(base10, 10)
232 return i
233 }
234
235 func bigFromHexString(s string) *big.Int {
236 ret := new(big.Int)
237 ret.SetString(s, 16)
238 return ret
239 }
240
241 var rsaPrivateKey = &rsa.PrivateKey{
242 PublicKey: rsa.PublicKey{
243 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"),
244 E: 65537,
245 },
246 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"),
247 Primes: []*big.Int{
248 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"),
249 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"),
250 },
251 }
252
253 func TestMarshalRSAPrivateKey(t *testing.T) {
254 priv := &rsa.PrivateKey{
255 PublicKey: rsa.PublicKey{
256 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
257 E: 3,
258 },
259 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
260 Primes: []*big.Int{
261 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
262 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
263 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
264 },
265 }
266
267 derBytes := MarshalPKCS1PrivateKey(priv)
268
269 priv2, err := ParsePKCS1PrivateKey(derBytes)
270 if err != nil {
271 t.Errorf("error parsing serialized key: %s", err)
272 return
273 }
274 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 ||
275 priv.PublicKey.E != priv2.PublicKey.E ||
276 priv.D.Cmp(priv2.D) != 0 ||
277 len(priv2.Primes) != 3 ||
278 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 ||
279 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 ||
280 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 {
281 t.Errorf("wrong priv:\ngot %+v\nwant %+v", priv2, priv)
282 }
283
284 if priv.Precomputed.Dp == nil {
285 t.Fatalf("Precomputed.Dp is nil")
286 }
287 }
288
289 func TestMarshalRSAPrivateKeyInvalid(t *testing.T) {
290 block, _ := pem.Decode([]byte(strings.ReplaceAll(
291 `-----BEGIN RSA TESTING KEY-----
292 MIIEowIBAAKCAQEAsPnoGUOnrpiSqt4XynxA+HRP7S+BSObI6qJ7fQAVSPtRkqso
293 tWxQYLEYzNEx5ZSHTGypibVsJylvCfuToDTfMul8b/CZjP2Ob0LdpYrNH6l5hvFE
294 89FU1nZQF15oVLOpUgA7wGiHuEVawrGfey92UE68mOyUVXGweJIVDdxqdMoPvNNU
295 l86BU02vlBiESxOuox+dWmuVV7vfYZ79Toh/LUK43YvJh+rhv4nKuF7iHjVjBd9s
296 B6iDjj70HFldzOQ9r8SRI+9NirupPTkF5AKNe6kUhKJ1luB7S27ZkvB3tSTT3P59
297 3VVJvnzOjaA1z6Cz+4+eRvcysqhrRgFlwI9TEwIDAQABAoIBAEEYiyDP29vCzx/+
298 dS3LqnI5BjUuJhXUnc6AWX/PCgVAO+8A+gZRgvct7PtZb0sM6P9ZcLrweomlGezI
299 FrL0/6xQaa8bBr/ve/a8155OgcjFo6fZEw3Dz7ra5fbSiPmu4/b/kvrg+Br1l77J
300 aun6uUAs1f5B9wW+vbR7tzbT/mxaUeDiBzKpe15GwcvbJtdIVMa2YErtRjc1/5B2
301 BGVXyvlJv0SIlcIEMsHgnAFOp1ZgQ08aDzvilLq8XVMOahAhP1O2A3X8hKdXPyrx
302 IVWE9bS9ptTo+eF6eNl+d7htpKGEZHUxinoQpWEBTv+iOoHsVunkEJ3vjLP3lyI/
303 fY0NQ1ECgYEA3RBXAjgvIys2gfU3keImF8e/TprLge1I2vbWmV2j6rZCg5r/AS0u
304 pii5CvJ5/T5vfJPNgPBy8B/yRDs+6PJO1GmnlhOkG9JAIPkv0RBZvR0PMBtbp6nT
305 Y3yo1lwamBVBfY6rc0sLTzosZh2aGoLzrHNMQFMGaauORzBFpY5lU50CgYEAzPHl
306 u5DI6Xgep1vr8QvCUuEesCOgJg8Yh1UqVoY/SmQh6MYAv1I9bLGwrb3WW/7kqIoD
307 fj0aQV5buVZI2loMomtU9KY5SFIsPV+JuUpy7/+VE01ZQM5FdY8wiYCQiVZYju9X
308 Wz5LxMNoz+gT7pwlLCsC4N+R8aoBk404aF1gum8CgYAJ7VTq7Zj4TFV7Soa/T1eE
309 k9y8a+kdoYk3BASpCHJ29M5R2KEA7YV9wrBklHTz8VzSTFTbKHEQ5W5csAhoL5Fo
310 qoHzFFi3Qx7MHESQb9qHyolHEMNx6QdsHUn7rlEnaTTyrXh3ifQtD6C0yTmFXUIS
311 CW9wKApOrnyKJ9nI0HcuZQKBgQCMtoV6e9VGX4AEfpuHvAAnMYQFgeBiYTkBKltQ
312 XwozhH63uMMomUmtSG87Sz1TmrXadjAhy8gsG6I0pWaN7QgBuFnzQ/HOkwTm+qKw
313 AsrZt4zeXNwsH7QXHEJCFnCmqw9QzEoZTrNtHJHpNboBuVnYcoueZEJrP8OnUG3r
314 UjmopwKBgAqB2KYYMUqAOvYcBnEfLDmyZv9BTVNHbR2lKkMYqv5LlvDaBxVfilE0
315 2riO4p6BaAdvzXjKeRrGNEKoHNBpOSfYCOM16NjL8hIZB1CaV3WbT5oY+jp7Mzd5
316 7d56RZOE+ERK2uz/7JX9VSsM/LbH9pJibd4e8mikDS9ntciqOH/3
317 -----END RSA TESTING KEY-----`, "TESTING KEY", "PRIVATE KEY")))
318 testRSA2048, _ := ParsePKCS1PrivateKey(block.Bytes)
319
320 broken := *testRSA2048
321 broken.Precomputed.Dp = new(big.Int).SetUint64(42)
322
323 parsed, err := ParsePKCS1PrivateKey(MarshalPKCS1PrivateKey(&broken))
324 if err == nil {
325 t.Errorf("expected error, got success")
326 }
327
328 t.Setenv("GODEBUG", "x509rsacrt=0")
329
330 parsed, err = ParsePKCS1PrivateKey(MarshalPKCS1PrivateKey(&broken))
331 if err != nil {
332 t.Fatalf("expected success, got error: %v", err)
333 }
334
335 if parsed.Precomputed.Dp.Cmp(testRSA2048.Precomputed.Dp) != 0 {
336 t.Errorf("Dp recomputation failed: got %v, want %v", parsed.Precomputed.Dp, testRSA2048.Precomputed.Dp)
337 }
338 }
339
340 func TestMarshalRSAPublicKey(t *testing.T) {
341 pub := &rsa.PublicKey{
342 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
343 E: 3,
344 }
345 derBytes := MarshalPKCS1PublicKey(pub)
346 pub2, err := ParsePKCS1PublicKey(derBytes)
347 if err != nil {
348 t.Errorf("ParsePKCS1PublicKey: %s", err)
349 }
350 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E {
351 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2)
352 }
353
354
355
356
357 derBytes2, err := asn1.Marshal(*pub)
358 if err != nil {
359 t.Errorf("Marshal(rsa.PublicKey): %v", err)
360 } else if !bytes.Equal(derBytes, derBytes2) {
361 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes)
362 }
363 pub3 := new(rsa.PublicKey)
364 rest, err := asn1.Unmarshal(derBytes, pub3)
365 if err != nil {
366 t.Errorf("Unmarshal(rsa.PublicKey): %v", err)
367 }
368 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E {
369 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil))
370 }
371
372 publicKeys := []struct {
373 derBytes []byte
374 expectedErrSubstr string
375 }{
376 {
377 derBytes: []byte{
378 0x30, 6,
379 0x02, 1,
380 17,
381 0x02, 1,
382 3,
383 },
384 }, {
385 derBytes: []byte{
386 0x30, 6,
387 0x02, 1,
388 0xff,
389 0x02, 1,
390 3,
391 },
392 expectedErrSubstr: "zero or negative",
393 }, {
394 derBytes: []byte{
395 0x30, 6,
396 0x02, 1,
397 17,
398 0x02, 1,
399 0xff,
400 },
401 expectedErrSubstr: "zero or negative",
402 }, {
403 derBytes: []byte{
404 0x30, 6,
405 0x02, 1,
406 17,
407 0x02, 1,
408 3,
409 1,
410 },
411 expectedErrSubstr: "trailing data",
412 }, {
413 derBytes: []byte{
414 0x30, 9,
415 0x02, 1,
416 17,
417 0x02, 4,
418 0x7f, 0xff, 0xff, 0xff,
419 },
420 }, {
421 derBytes: []byte{
422 0x30, 10,
423 0x02, 1,
424 17,
425 0x02, 5,
426 0x00, 0x80, 0x00, 0x00, 0x00,
427 },
428
429
430
431
432
433 expectedErrSubstr: "large",
434 },
435 }
436
437 for i, test := range publicKeys {
438 shouldFail := len(test.expectedErrSubstr) > 0
439 pub, err := ParsePKCS1PublicKey(test.derBytes)
440 if shouldFail {
441 if err == nil {
442 t.Errorf("#%d: unexpected success, got %#v", i, pub)
443 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) {
444 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err)
445 }
446 } else {
447 if err != nil {
448 t.Errorf("#%d: unexpected failure: %s", i, err)
449 continue
450 }
451 reserialized := MarshalPKCS1PublicKey(pub)
452 if !bytes.Equal(reserialized, test.derBytes) {
453 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes)
454 }
455 }
456 }
457 }
458
459 type matchHostnamesTest struct {
460 pattern, host string
461 ok bool
462 }
463
464 var matchHostnamesTests = []matchHostnamesTest{
465 {"a.b.c", "a.b.c", true},
466 {"a.b.c", "b.b.c", false},
467 {"", "b.b.c", false},
468 {"a.b.c", "", false},
469 {"example.com", "example.com", true},
470 {"example.com", "www.example.com", false},
471 {"*.example.com", "example.com", false},
472 {"*.example.com", "www.example.com", true},
473 {"*.example.com", "www.example.com.", true},
474 {"*.example.com", "xyz.www.example.com", false},
475 {"*.example.com", "https://www.example.com", false},
476 {"*.example..com", "www.example..com", false},
477 {"www.example..com", "www.example..com", true},
478 {"*.*.example.com", "xyz.www.example.com", false},
479 {"*.www.*.com", "xyz.www.example.com", false},
480 {"*bar.example.com", "foobar.example.com", false},
481 {"f*.example.com", "foobar.example.com", false},
482 {"www.example.com", "*.example.com", false},
483 {"", ".", false},
484 {".", "", false},
485 {".", ".", false},
486 {"example.com", "example.com.", true},
487 {"example.com.", "example.com", false},
488 {"example.com.", "example.com.", true},
489 {"*.com.", "example.com.", false},
490 {"*.com.", "example.com", false},
491 {"*.com", "example.com", true},
492 {"*.com", "example.com.", true},
493 {"foo:bar", "foo:bar", true},
494 {"*.foo:bar", "xxx.foo:bar", false},
495 {"*.2.3.4", "1.2.3.4", false},
496 {"*.2.3.4", "[1.2.3.4]", false},
497 {"*:4860:4860::8888", "2001:4860:4860::8888", false},
498 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false},
499 {"2001:4860:4860::8888", "2001:4860:4860::8888", false},
500 {"2001:4860:4860::8888", "[2001:4860:4860::8888]", false},
501 {"[2001:4860:4860::8888]", "2001:4860:4860::8888", false},
502 {"[2001:4860:4860::8888]", "[2001:4860:4860::8888]", false},
503 }
504
505 func TestMatchHostnames(t *testing.T) {
506 for i, test := range matchHostnamesTests {
507 c := &Certificate{DNSNames: []string{test.pattern}}
508 r := c.VerifyHostname(test.host) == nil
509 if r != test.ok {
510 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern)
511 }
512 }
513 }
514
515 func TestMatchIP(t *testing.T) {
516
517 c := &Certificate{
518 DNSNames: []string{"*.foo.bar.baz"},
519 Subject: pkix.Name{
520 CommonName: "*.foo.bar.baz",
521 },
522 }
523 err := c.VerifyHostname("quux.foo.bar.baz")
524 if err != nil {
525 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err)
526 }
527
528
529
530 c = &Certificate{
531 DNSNames: []string{"*.2.3.4"},
532 Subject: pkix.Name{
533 CommonName: "*.2.3.4",
534 },
535 }
536 err = c.VerifyHostname("1.2.3.4")
537 if err == nil {
538 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not")
539 }
540
541 c = &Certificate{
542 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
543 }
544 err = c.VerifyHostname("127.0.0.1")
545 if err != nil {
546 t.Fatalf("VerifyHostname(127.0.0.1): %v", err)
547 }
548 err = c.VerifyHostname("::1")
549 if err != nil {
550 t.Fatalf("VerifyHostname(::1): %v", err)
551 }
552 err = c.VerifyHostname("[::1]")
553 if err != nil {
554 t.Fatalf("VerifyHostname([::1]): %v", err)
555 }
556 }
557
558 func TestCertificateParse(t *testing.T) {
559 s, _ := base64.StdEncoding.DecodeString(certBytes)
560 certs, err := ParseCertificates(s)
561 if err != nil {
562 t.Error(err)
563 }
564 if len(certs) != 2 {
565 t.Errorf("Wrong number of certs: got %d want 2", len(certs))
566 return
567 }
568
569 err = certs[0].CheckSignatureFrom(certs[1])
570 if err != nil {
571 t.Error(err)
572 }
573
574 if err := certs[0].VerifyHostname("mail.google.com"); err != nil {
575 t.Error(err)
576 }
577
578 const expectedExtensions = 10
579 if n := len(certs[0].Extensions); n != expectedExtensions {
580 t.Errorf("want %d extensions, got %d", expectedExtensions, n)
581 }
582 }
583
584 func TestCertificateEqualOnNil(t *testing.T) {
585 cNonNil := new(Certificate)
586 var cNil1, cNil2 *Certificate
587 if !cNil1.Equal(cNil2) {
588 t.Error("Nil certificates: cNil1 is not equal to cNil2")
589 }
590 if !cNil2.Equal(cNil1) {
591 t.Error("Nil certificates: cNil2 is not equal to cNil1")
592 }
593 if cNil1.Equal(cNonNil) {
594 t.Error("Unexpectedly cNil1 is equal to cNonNil")
595 }
596 if cNonNil.Equal(cNil1) {
597 t.Error("Unexpectedly cNonNil is equal to cNil1")
598 }
599 }
600
601 func TestMismatchedSignatureAlgorithm(t *testing.T) {
602 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM))
603 if der == nil {
604 t.Fatal("Failed to find PEM block")
605 }
606
607 cert, err := ParseCertificate(der.Bytes)
608 if err != nil {
609 t.Fatal(err)
610 }
611
612 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil {
613 t.Fatal("CheckSignature unexpectedly return no error")
614 }
615
616 const expectedSubstring = " but have public key of type "
617 if !strings.Contains(err.Error(), expectedSubstring) {
618 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err)
619 }
620 }
621
622 var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" +
623 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" +
624 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" +
625 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" +
626 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" +
627 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" +
628 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" +
629 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" +
630 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" +
631 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" +
632 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" +
633 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" +
634 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" +
635 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" +
636 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" +
637 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" +
638 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" +
639 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" +
640 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" +
641 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" +
642 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" +
643 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" +
644 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" +
645 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" +
646 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" +
647 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" +
648 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" +
649 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" +
650 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" +
651 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" +
652 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" +
653 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" +
654 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" +
655 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" +
656 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" +
657 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" +
658 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" +
659 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" +
660 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" +
661 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" +
662 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" +
663 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" +
664 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" +
665 "t63yr/tQri/hlQ3zRq2dnPXK"
666
667 func parseCIDR(s string) *net.IPNet {
668 _, net, err := net.ParseCIDR(s)
669 if err != nil {
670 panic(err)
671 }
672 return net
673 }
674
675 func parseURI(s string) *url.URL {
676 uri, err := url.Parse(s)
677 if err != nil {
678 panic(err)
679 }
680 return uri
681 }
682
683 func TestCreateSelfSignedCertificate(t *testing.T) {
684 random := rand.Reader
685
686 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
687 if err != nil {
688 t.Fatalf("Failed to generate ECDSA key: %s", err)
689 }
690
691 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random)
692 if err != nil {
693 t.Fatalf("Failed to generate Ed25519 key: %s", err)
694 }
695
696 tests := []struct {
697 name string
698 pub, priv any
699 checkSig bool
700 sigAlgo SignatureAlgorithm
701 }{
702 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA},
703 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
704 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA},
705 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256},
706 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS},
707 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS},
708 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
709 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519},
710 }
711
712 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth}
713 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}}
714 extraExtensionData := []byte("extra extension")
715
716 for _, test := range tests {
717 commonName := "test.example.com"
718 template := Certificate{
719 SerialNumber: big.NewInt(1),
720 Subject: pkix.Name{
721 CommonName: commonName,
722 Organization: []string{"Σ Acme Co"},
723 Country: []string{"US"},
724 ExtraNames: []pkix.AttributeTypeAndValue{
725 {
726 Type: []int{2, 5, 4, 42},
727 Value: "Gopher",
728 },
729
730 {
731 Type: []int{2, 5, 4, 6},
732 Value: "NL",
733 },
734 },
735 },
736 NotBefore: time.Unix(1000, 0),
737 NotAfter: time.Unix(100000, 0),
738
739 SignatureAlgorithm: test.sigAlgo,
740
741 SubjectKeyId: []byte{1, 2, 3, 4},
742 KeyUsage: KeyUsageCertSign,
743
744 ExtKeyUsage: testExtKeyUsage,
745 UnknownExtKeyUsage: testUnknownExtKeyUsage,
746
747 BasicConstraintsValid: true,
748 IsCA: true,
749
750 OCSPServer: []string{"http://ocsp.example.com"},
751 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"},
752
753 DNSNames: []string{"test.example.com"},
754 EmailAddresses: []string{"gopher@golang.org"},
755 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
756 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")},
757
758 Policies: []OID{mustNewOIDFromInts([]uint64{1, 2, 3, math.MaxUint32, math.MaxUint64})},
759 PermittedDNSDomains: []string{".example.com", "example.com"},
760 ExcludedDNSDomains: []string{"bar.example.com"},
761 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")},
762 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")},
763 PermittedEmailAddresses: []string{"foo@example.com"},
764 ExcludedEmailAddresses: []string{".example.com", "example.com"},
765 PermittedURIDomains: []string{".bar.com", "bar.com"},
766 ExcludedURIDomains: []string{".bar2.com", "bar2.com"},
767
768 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"},
769
770 ExtraExtensions: []pkix.Extension{
771 {
772 Id: []int{1, 2, 3, 4},
773 Value: extraExtensionData,
774 },
775
776 {
777 Id: oidExtensionSubjectKeyId,
778 Critical: false,
779 Value: []byte{0x04, 0x04, 4, 3, 2, 1},
780 },
781 },
782 }
783
784 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv)
785 if err != nil {
786 t.Errorf("%s: failed to create certificate: %s", test.name, err)
787 continue
788 }
789
790 cert, err := ParseCertificate(derBytes)
791 if err != nil {
792 t.Errorf("%s: failed to parse certificate: %s", test.name, err)
793 continue
794 }
795
796 if len(cert.Policies) != 1 || !cert.Policies[0].Equal(template.Policies[0]) {
797 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.Policies)
798 }
799
800 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" {
801 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains)
802 }
803
804 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" {
805 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains)
806 }
807
808 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" {
809 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges)
810 }
811
812 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" {
813 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges)
814 }
815
816 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" {
817 t.Errorf("%s: failed to parse permitted email addresses: %#v", test.name, cert.PermittedEmailAddresses)
818 }
819
820 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" {
821 t.Errorf("%s: failed to parse excluded email addresses: %#v", test.name, cert.ExcludedEmailAddresses)
822 }
823
824 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" {
825 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains)
826 }
827
828 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" {
829 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains)
830 }
831
832 if cert.Subject.CommonName != commonName {
833 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName)
834 }
835
836 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" {
837 t.Errorf("%s: ExtraNames didn't override Country", test.name)
838 }
839
840 for _, ext := range cert.Extensions {
841 if ext.Id.Equal(oidExtensionSubjectAltName) {
842 if ext.Critical {
843 t.Fatal("SAN extension is marked critical")
844 }
845 }
846 }
847
848 found := false
849 for _, atv := range cert.Subject.Names {
850 if atv.Type.Equal([]int{2, 5, 4, 42}) {
851 found = true
852 break
853 }
854 }
855 if !found {
856 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name)
857 }
858
859 if cert.Issuer.CommonName != commonName {
860 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName)
861 }
862
863 if cert.SignatureAlgorithm != test.sigAlgo {
864 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo)
865 }
866
867 if !slices.Equal(cert.ExtKeyUsage, testExtKeyUsage) {
868 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage)
869 }
870
871 if !slices.EqualFunc(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage, asn1.ObjectIdentifier.Equal) {
872 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage)
873 }
874
875 if !slices.Equal(cert.OCSPServer, template.OCSPServer) {
876 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer)
877 }
878
879 if !slices.Equal(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
880 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL)
881 }
882
883 if !slices.Equal(cert.DNSNames, template.DNSNames) {
884 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames)
885 }
886
887 if !slices.Equal(cert.EmailAddresses, template.EmailAddresses) {
888 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses)
889 }
890
891 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" {
892 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs)
893 }
894
895 if !slices.EqualFunc(cert.IPAddresses, template.IPAddresses, net.IP.Equal) {
896 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses)
897 }
898
899 if !slices.Equal(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
900 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints)
901 }
902
903 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) {
904 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name)
905 }
906
907 if !bytes.Contains(derBytes, extraExtensionData) {
908 t.Errorf("%s: didn't find extra extension in DER output", test.name)
909 }
910
911 if test.checkSig {
912 err = cert.CheckSignatureFrom(cert)
913 if err != nil {
914 t.Errorf("%s: signature verification failed: %s", test.name, err)
915 }
916 }
917 }
918 }
919
920
921 var ecdsaSHA1CertPem = `
922 -----BEGIN CERTIFICATE-----
923 MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET
924 MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG
925 A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
926 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw
927 WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
928 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg
929 SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv
930 bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn
931 WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3
932 P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2
933 DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV
934 a/A=
935 -----END CERTIFICATE-----
936 `
937
938
939 var ecdsaSHA256p256CertPem = `
940 -----BEGIN CERTIFICATE-----
941 MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx
942 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT
943 BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh
944 BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx
945 NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp
946 Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs
947 IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn
948 b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt
949 2ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm
950 YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV
951 70twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ
952 h5wi
953 -----END CERTIFICATE-----
954 `
955
956
957 var ecdsaSHA256p384CertPem = `
958 -----BEGIN CERTIFICATE-----
959 MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx
960 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
961 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
962 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0
963 WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
964 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
965 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
966 YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK
967 jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze
968 qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI
969 zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr
970 PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh
971 3yILeYQzllt/g0rKVRk=
972 -----END CERTIFICATE-----
973 `
974
975
976 var ecdsaSHA384p521CertPem = `
977 -----BEGIN CERTIFICATE-----
978 MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx
979 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
980 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
981 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5
982 WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
983 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
984 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
985 YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv
986 IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz
987 PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm
988 8FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw
989 gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH
990 BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh
991 kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa
992 -----END CERTIFICATE-----
993 `
994
995 var ecdsaTests = []struct {
996 sigAlgo SignatureAlgorithm
997 pemCert string
998 }{
999 {ECDSAWithSHA256, ecdsaSHA256p256CertPem},
1000 {ECDSAWithSHA256, ecdsaSHA256p384CertPem},
1001 {ECDSAWithSHA384, ecdsaSHA384p521CertPem},
1002 }
1003
1004 func TestECDSA(t *testing.T) {
1005 for i, test := range ecdsaTests {
1006 pemBlock, _ := pem.Decode([]byte(test.pemCert))
1007 cert, err := ParseCertificate(pemBlock.Bytes)
1008 if err != nil {
1009 t.Errorf("%d: failed to parse certificate: %s", i, err)
1010 continue
1011 }
1012 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo {
1013 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo)
1014 }
1015 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok {
1016 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey)
1017 }
1018 if pka := cert.PublicKeyAlgorithm; pka != ECDSA {
1019 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka)
1020 }
1021 if err = cert.CheckSignatureFrom(cert); err != nil {
1022 t.Errorf("%d: certificate verification failed: %s", i, err)
1023 }
1024 }
1025 }
1026
1027
1028 var dsaCertPem = `-----BEGIN CERTIFICATE-----
1029 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC
1030 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds
1031 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs
1032 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5
1033 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG
1034 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3
1035 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB
1036 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN
1037 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW
1038 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5
1039 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC
1040 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz
1041 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE
1042 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5
1043 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c
1044 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud
1045 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11
1046 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w
1047 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK
1048 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx
1049 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI
1050 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM
1051 -----END CERTIFICATE-----
1052 `
1053
1054 func TestParseCertificateWithDsaPublicKey(t *testing.T) {
1055 expectedKey := &dsa.PublicKey{
1056 Parameters: dsa.Parameters{
1057 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"),
1058 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"),
1059 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"),
1060 },
1061 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"),
1062 }
1063 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1064 cert, err := ParseCertificate(pemBlock.Bytes)
1065 if err != nil {
1066 t.Fatalf("Failed to parse certificate: %s", err)
1067 }
1068 if cert.PublicKeyAlgorithm != DSA {
1069 t.Errorf("Parsed key algorithm was not DSA")
1070 }
1071 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey)
1072 if !ok {
1073 t.Fatalf("Parsed key was not a DSA key: %s", err)
1074 }
1075 if expectedKey.Y.Cmp(parsedKey.Y) != 0 ||
1076 expectedKey.P.Cmp(parsedKey.P) != 0 ||
1077 expectedKey.Q.Cmp(parsedKey.Q) != 0 ||
1078 expectedKey.G.Cmp(parsedKey.G) != 0 {
1079 t.Fatal("Parsed key differs from expected key")
1080 }
1081 }
1082
1083 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) {
1084 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1085 cert, err := ParseCertificate(pemBlock.Bytes)
1086 if err != nil {
1087 t.Fatalf("Failed to parse certificate: %s", err)
1088 }
1089 if cert.SignatureAlgorithm != DSAWithSHA1 {
1090 t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
1091 }
1092 }
1093
1094 func TestVerifyCertificateWithDSASignature(t *testing.T) {
1095 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1096 cert, err := ParseCertificate(pemBlock.Bytes)
1097 if err != nil {
1098 t.Fatalf("Failed to parse certificate: %s", err)
1099 }
1100
1101 if err = cert.CheckSignatureFrom(cert); err == nil {
1102 t.Fatalf("Expected error verifying DSA certificate")
1103 }
1104 }
1105
1106 var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE-----
1107 MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA
1108 oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC
1109 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1110 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1111 U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC
1112 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1113 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1114 U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST
1115 8nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl
1116 yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W
1117 PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj
1118 7TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT
1119 UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn
1120 defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK
1121 bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es
1122 yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS
1123 7nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek
1124 tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE
1125 qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV
1126 Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP
1127 fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg
1128 hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC
1129 AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n
1130 li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR
1131 TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3
1132 kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66
1133 U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c
1134 15gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv
1135 C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN
1136 2BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO
1137 FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9
1138 qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2
1139 +f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q==
1140 -----END CERTIFICATE-----`
1141
1142
1143
1144
1145
1146 var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE-----
1147 MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI
1148 AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV
1149 BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx
1150 DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF
1151 MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK
1152 DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
1153 CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp
1154 qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj
1155 TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM
1156 +ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0
1157 iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G
1158 RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg
1159 gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw
1160 DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa
1161 MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe
1162 WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s
1163 Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/
1164 656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6
1165 wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w
1166 Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J
1167 +w9fjQ==
1168 -----END CERTIFICATE-----`
1169
1170 func TestRSAPSSSelfSigned(t *testing.T) {
1171 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} {
1172 der, _ := pem.Decode([]byte(pemBlock))
1173 if der == nil {
1174 t.Errorf("#%d: failed to find PEM block", i)
1175 continue
1176 }
1177
1178 cert, err := ParseCertificate(der.Bytes)
1179 if err != nil {
1180 t.Errorf("#%d: failed to parse: %s", i, err)
1181 continue
1182 }
1183
1184 if err = cert.CheckSignatureFrom(cert); err != nil {
1185 t.Errorf("#%d: signature check failed: %s", i, err)
1186 continue
1187 }
1188 }
1189 }
1190
1191 const ed25519Certificate = `
1192 Certificate:
1193 Data:
1194 Version: 3 (0x2)
1195 Serial Number:
1196 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92
1197 Signature Algorithm: ED25519
1198 Issuer: CN = Ed25519 test certificate
1199 Validity
1200 Not Before: May 6 17:27:16 2019 GMT
1201 Not After : Jun 5 17:27:16 2019 GMT
1202 Subject: CN = Ed25519 test certificate
1203 Subject Public Key Info:
1204 Public Key Algorithm: ED25519
1205 ED25519 Public-Key:
1206 pub:
1207 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70:
1208 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a:
1209 3c:fa
1210 X509v3 extensions:
1211 X509v3 Subject Key Identifier:
1212 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1213 X509v3 Authority Key Identifier:
1214 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1215
1216 X509v3 Basic Constraints: critical
1217 CA:TRUE
1218 Signature Algorithm: ED25519
1219 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5:
1220 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5:
1221 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc:
1222 60:b9:d4:f4:78:4b:3c:1c:91:00
1223 -----BEGIN CERTIFICATE-----
1224 MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf
1225 BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa
1226 Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp
1227 Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6
1228 o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU
1229 CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT
1230 pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U
1231 GtKoKNxgudT0eEs8HJEA
1232 -----END CERTIFICATE-----`
1233
1234 func TestEd25519SelfSigned(t *testing.T) {
1235 der, _ := pem.Decode([]byte(ed25519Certificate))
1236 if der == nil {
1237 t.Fatalf("Failed to find PEM block")
1238 }
1239
1240 cert, err := ParseCertificate(der.Bytes)
1241 if err != nil {
1242 t.Fatalf("Failed to parse: %s", err)
1243 }
1244
1245 if cert.PublicKeyAlgorithm != Ed25519 {
1246 t.Fatalf("Parsed key algorithm was not Ed25519")
1247 }
1248 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey)
1249 if !ok {
1250 t.Fatalf("Parsed key was not an Ed25519 key: %s", err)
1251 }
1252 if len(parsedKey) != ed25519.PublicKeySize {
1253 t.Fatalf("Invalid Ed25519 key")
1254 }
1255
1256 if err = cert.CheckSignatureFrom(cert); err != nil {
1257 t.Fatalf("Signature check failed: %s", err)
1258 }
1259 }
1260
1261 const pemCertificate = `-----BEGIN CERTIFICATE-----
1262 MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw
1263 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2
1264 MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
1265 ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4
1266 jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH
1267 qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK
1268 yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB
1269 EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I
1270 5Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF
1271 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC
1272 EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7
1273 X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6
1274 1fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai
1275 /mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy
1276 fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH
1277 KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5
1278 EhLrEqU=
1279 -----END CERTIFICATE-----`
1280
1281 const ed25519CRLCertificate = `
1282 Certificate:
1283 Data:
1284 Version: 3 (0x2)
1285 Serial Number:
1286 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d
1287 Signature Algorithm: ED25519
1288 Issuer: CN = Ed25519 CRL Test CA
1289 Validity
1290 Not Before: Oct 30 01:20:20 2019 GMT
1291 Not After : Dec 31 23:59:59 9999 GMT
1292 Subject: CN = Ed25519 CRL Test CA
1293 Subject Public Key Info:
1294 Public Key Algorithm: ED25519
1295 ED25519 Public-Key:
1296 pub:
1297 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df:
1298 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f:
1299 75:21
1300 X509v3 extensions:
1301 X509v3 Key Usage: critical
1302 Digital Signature, Certificate Sign, CRL Sign
1303 X509v3 Extended Key Usage:
1304 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing
1305 X509v3 Basic Constraints: critical
1306 CA:TRUE
1307 X509v3 Subject Key Identifier:
1308 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1309 X509v3 Authority Key Identifier:
1310 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1311
1312 Signature Algorithm: ED25519
1313 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e:
1314 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5:
1315 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1:
1316 ee:68:76:17:1d:90:cc:92:93:07
1317 -----BEGIN CERTIFICATE-----
1318 MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE
1319 AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz
1320 MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl
1321 cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud
1322 DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF
1323 BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK
1324 gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+
1325 FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA
1326 9mDH0e5odhcdkMySkwc=
1327 -----END CERTIFICATE-----`
1328
1329 var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY-----
1330 MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG
1331 -----END TEST KEY-----`)
1332
1333 func TestCRLCreation(t *testing.T) {
1334 block, _ := pem.Decode([]byte(pemPrivateKey))
1335 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes)
1336 block, _ = pem.Decode([]byte(pemCertificate))
1337 certRSA, _ := ParseCertificate(block.Bytes)
1338
1339 block, _ = pem.Decode([]byte(ed25519CRLKey))
1340 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes)
1341 block, _ = pem.Decode([]byte(ed25519CRLCertificate))
1342 certEd25519, _ := ParseCertificate(block.Bytes)
1343
1344 tests := []struct {
1345 name string
1346 priv any
1347 cert *Certificate
1348 }{
1349 {"RSA CA", privRSA, certRSA},
1350 {"Ed25519 CA", privEd25519, certEd25519},
1351 }
1352
1353 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds()))
1354
1355 now := time.Unix(1000, 0).In(loc)
1356 nowUTC := now.UTC()
1357 expiry := time.Unix(10000, 0)
1358
1359 revokedCerts := []pkix.RevokedCertificate{
1360 {
1361 SerialNumber: big.NewInt(1),
1362 RevocationTime: nowUTC,
1363 },
1364 {
1365 SerialNumber: big.NewInt(42),
1366
1367 RevocationTime: now,
1368 },
1369 }
1370 expectedCerts := []pkix.RevokedCertificate{
1371 {
1372 SerialNumber: big.NewInt(1),
1373 RevocationTime: nowUTC,
1374 },
1375 {
1376 SerialNumber: big.NewInt(42),
1377 RevocationTime: nowUTC,
1378 },
1379 }
1380
1381 for _, test := range tests {
1382 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry)
1383 if err != nil {
1384 t.Errorf("%s: error creating CRL: %s", test.name, err)
1385 continue
1386 }
1387
1388 parsedCRL, err := ParseDERCRL(crlBytes)
1389 if err != nil {
1390 t.Errorf("%s: error reparsing CRL: %s", test.name, err)
1391 continue
1392 }
1393 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) {
1394 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name,
1395 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts)
1396 }
1397 }
1398 }
1399
1400 func fromBase64(in string) []byte {
1401 out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
1402 n, err := base64.StdEncoding.Decode(out, []byte(in))
1403 if err != nil {
1404 panic("failed to base64 decode")
1405 }
1406 return out[:n]
1407 }
1408
1409 func TestParseDERCRL(t *testing.T) {
1410 derBytes := fromBase64(derCRLBase64)
1411 certList, err := ParseDERCRL(derBytes)
1412 if err != nil {
1413 t.Errorf("error parsing: %s", err)
1414 return
1415 }
1416 numCerts := len(certList.TBSCertList.RevokedCertificates)
1417 expected := 88
1418 if numCerts != expected {
1419 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1420 }
1421
1422 if certList.HasExpired(time.Unix(1302517272, 0)) {
1423 t.Errorf("CRL has expired (but shouldn't have)")
1424 }
1425
1426
1427 }
1428
1429 func TestCRLWithoutExpiry(t *testing.T) {
1430 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh")
1431 certList, err := ParseDERCRL(derBytes)
1432 if err != nil {
1433 t.Fatal(err)
1434 }
1435 if !certList.TBSCertList.NextUpdate.IsZero() {
1436 t.Errorf("NextUpdate is not the zero value")
1437 }
1438 }
1439
1440 func TestParsePEMCRL(t *testing.T) {
1441 pemBytes := fromBase64(pemCRLBase64)
1442 certList, err := ParseCRL(pemBytes)
1443 if err != nil {
1444 t.Errorf("error parsing: %s", err)
1445 return
1446 }
1447 numCerts := len(certList.TBSCertList.RevokedCertificates)
1448 expected := 2
1449 if numCerts != expected {
1450 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1451 }
1452
1453 if certList.HasExpired(time.Unix(1302517272, 0)) {
1454 t.Errorf("CRL has expired (but shouldn't have)")
1455 }
1456
1457
1458 }
1459
1460 func TestImports(t *testing.T) {
1461 if testing.Short() {
1462 t.Skip("skipping in -short mode")
1463 }
1464 testenv.MustHaveGoRun(t)
1465
1466 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil {
1467 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out)
1468 }
1469 }
1470
1471 const derCRLBase64 = "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"
1472
1473 const pemCRLBase64 = "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"
1474
1475 func TestCreateCertificateRequest(t *testing.T) {
1476 random := rand.Reader
1477
1478 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
1479 if err != nil {
1480 t.Fatalf("Failed to generate ECDSA key: %s", err)
1481 }
1482
1483 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
1484 if err != nil {
1485 t.Fatalf("Failed to generate ECDSA key: %s", err)
1486 }
1487
1488 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
1489 if err != nil {
1490 t.Fatalf("Failed to generate ECDSA key: %s", err)
1491 }
1492
1493 _, ed25519Priv, err := ed25519.GenerateKey(random)
1494 if err != nil {
1495 t.Fatalf("Failed to generate Ed25519 key: %s", err)
1496 }
1497
1498 tests := []struct {
1499 name string
1500 priv any
1501 sigAlgo SignatureAlgorithm
1502 }{
1503 {"RSA", testPrivateKey, SHA256WithRSA},
1504 {"RSA-PSS-SHA256", testPrivateKey, SHA256WithRSAPSS},
1505 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256},
1506 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256},
1507 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256},
1508 {"Ed25519", ed25519Priv, PureEd25519},
1509 }
1510
1511 for _, test := range tests {
1512 template := CertificateRequest{
1513 Subject: pkix.Name{
1514 CommonName: "test.example.com",
1515 Organization: []string{"Σ Acme Co"},
1516 },
1517 SignatureAlgorithm: test.sigAlgo,
1518 DNSNames: []string{"test.example.com"},
1519 EmailAddresses: []string{"gopher@golang.org"},
1520 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
1521 }
1522
1523 derBytes, err := CreateCertificateRequest(random, &template, test.priv)
1524 if err != nil {
1525 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1526 continue
1527 }
1528
1529 out, err := ParseCertificateRequest(derBytes)
1530 if err != nil {
1531 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1532 continue
1533 }
1534
1535 err = out.CheckSignature()
1536 if err != nil {
1537 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err)
1538 continue
1539 }
1540
1541 if out.Subject.CommonName != template.Subject.CommonName {
1542 t.Errorf("%s: output subject common name and template subject common name don't match", test.name)
1543 } else if len(out.Subject.Organization) != len(template.Subject.Organization) {
1544 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name)
1545 } else if len(out.DNSNames) != len(template.DNSNames) {
1546 t.Errorf("%s: output DNS names and template DNS names don't match", test.name)
1547 } else if len(out.EmailAddresses) != len(template.EmailAddresses) {
1548 t.Errorf("%s: output email addresses and template email addresses don't match", test.name)
1549 } else if len(out.IPAddresses) != len(template.IPAddresses) {
1550 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name)
1551 }
1552 }
1553 }
1554
1555 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest {
1556 t.Helper()
1557 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey)
1558 if err != nil {
1559 t.Fatal(err)
1560 }
1561
1562 csr, err := ParseCertificateRequest(derBytes)
1563 if err != nil {
1564 t.Fatal(err)
1565 }
1566
1567 return csr
1568 }
1569
1570 func TestCertificateRequestOverrides(t *testing.T) {
1571 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil)
1572 if err != nil {
1573 t.Fatal(err)
1574 }
1575
1576 template := CertificateRequest{
1577 Subject: pkix.Name{
1578 CommonName: "test.example.com",
1579 Organization: []string{"Σ Acme Co"},
1580 },
1581 DNSNames: []string{"test.example.com"},
1582
1583
1584
1585 ExtraExtensions: []pkix.Extension{
1586 {
1587 Id: oidExtensionSubjectAltName,
1588 Value: sanContents,
1589 Critical: true,
1590 },
1591 },
1592 }
1593
1594 csr := marshalAndParseCSR(t, &template)
1595
1596 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" {
1597 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames)
1598 }
1599
1600 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical {
1601 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions)
1602 }
1603
1604
1605
1606
1607
1608 template.Attributes = []pkix.AttributeTypeAndValueSET{
1609 {
1610 Type: oidExtensionRequest,
1611 Value: [][]pkix.AttributeTypeAndValue{
1612 {
1613 {
1614 Type: oidExtensionAuthorityInfoAccess,
1615 Value: []byte("foo"),
1616 },
1617 },
1618 },
1619 },
1620 }
1621
1622 csr = marshalAndParseCSR(t, &template)
1623 if l := len(csr.Attributes); l != 1 {
1624 t.Errorf("incorrect number of attributes: %d\n", l)
1625 }
1626
1627 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) ||
1628 len(csr.Attributes[0].Value) != 1 ||
1629 len(csr.Attributes[0].Value[0]) != 2 {
1630 t.Errorf("bad attributes: %#v\n", csr.Attributes)
1631 }
1632
1633 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil)
1634 if err != nil {
1635 t.Fatal(err)
1636 }
1637
1638
1639 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{
1640 Type: oidExtensionSubjectAltName,
1641 Value: sanContents2,
1642 })
1643
1644 csr = marshalAndParseCSR(t, &template)
1645
1646 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" {
1647 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames)
1648 }
1649 }
1650
1651 func TestParseCertificateRequest(t *testing.T) {
1652 for _, csrBase64 := range csrBase64Array {
1653 csrBytes := fromBase64(csrBase64)
1654 csr, err := ParseCertificateRequest(csrBytes)
1655 if err != nil {
1656 t.Fatalf("failed to parse CSR: %s", err)
1657 }
1658
1659 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" {
1660 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses)
1661 }
1662
1663 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" {
1664 t.Errorf("incorrect DNS names found: %v", csr.DNSNames)
1665 }
1666
1667 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" {
1668 t.Errorf("incorrect Subject name: %v", csr.Subject)
1669 }
1670
1671 found := false
1672 for _, e := range csr.Extensions {
1673 if e.Id.Equal(oidExtensionBasicConstraints) {
1674 found = true
1675 break
1676 }
1677 }
1678 if !found {
1679 t.Errorf("basic constraints extension not found in CSR")
1680 }
1681 }
1682 }
1683
1684 func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) {
1685
1686
1687 const csrBase64 = "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"
1688
1689 csrBytes := fromBase64(csrBase64)
1690 csr, err := ParseCertificateRequest(csrBytes)
1691 if err != nil {
1692 t.Fatalf("failed to parse CSR: %s", err)
1693 }
1694
1695 expected := []struct {
1696 Id asn1.ObjectIdentifier
1697 Value []byte
1698 }{
1699 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")},
1700 {oidExtensionKeyUsage, fromBase64("AwIChA==")},
1701 }
1702
1703 if n := len(csr.Extensions); n != len(expected) {
1704 t.Fatalf("expected to find %d extensions but found %d", len(expected), n)
1705 }
1706
1707 for i, extension := range csr.Extensions {
1708 if !extension.Id.Equal(expected[i].Id) {
1709 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id)
1710 }
1711
1712 if !bytes.Equal(extension.Value, expected[i].Value) {
1713 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value)
1714 }
1715 }
1716 }
1717
1718
1719
1720 func serialiseAndParse(t *testing.T, template *Certificate) *Certificate {
1721 t.Helper()
1722 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey)
1723 if err != nil {
1724 t.Fatalf("failed to create certificate: %s", err)
1725 return nil
1726 }
1727
1728 cert, err := ParseCertificate(derBytes)
1729 if err != nil {
1730 t.Fatalf("failed to parse certificate: %s", err)
1731 return nil
1732 }
1733
1734 return cert
1735 }
1736
1737 func TestMaxPathLenNotCA(t *testing.T) {
1738 template := &Certificate{
1739 SerialNumber: big.NewInt(1),
1740 Subject: pkix.Name{
1741 CommonName: "Σ Acme Co",
1742 },
1743 NotBefore: time.Unix(1000, 0),
1744 NotAfter: time.Unix(100000, 0),
1745
1746 BasicConstraintsValid: true,
1747 IsCA: false,
1748 }
1749 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1750 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m)
1751 }
1752
1753 template.MaxPathLen = -1
1754 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1755 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m)
1756 }
1757
1758 template.MaxPathLen = 5
1759 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1760 t.Error("specifying a MaxPathLen when IsCA is false should fail")
1761 }
1762
1763 template.MaxPathLen = 0
1764 template.MaxPathLenZero = true
1765 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1766 t.Error("setting MaxPathLenZero when IsCA is false should fail")
1767 }
1768
1769 template.BasicConstraintsValid = false
1770 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 {
1771 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m)
1772 }
1773 }
1774
1775 func TestMaxPathLen(t *testing.T) {
1776 template := &Certificate{
1777 SerialNumber: big.NewInt(1),
1778 Subject: pkix.Name{
1779 CommonName: "Σ Acme Co",
1780 },
1781 NotBefore: time.Unix(1000, 0),
1782 NotAfter: time.Unix(100000, 0),
1783
1784 BasicConstraintsValid: true,
1785 IsCA: true,
1786 }
1787
1788 cert1 := serialiseAndParse(t, template)
1789 if m := cert1.MaxPathLen; m != -1 {
1790 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m)
1791 }
1792 if cert1.MaxPathLenZero {
1793 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero")
1794 }
1795
1796 template.MaxPathLen = 1
1797 cert2 := serialiseAndParse(t, template)
1798 if m := cert2.MaxPathLen; m != 1 {
1799 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m)
1800 }
1801 if cert2.MaxPathLenZero {
1802 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero")
1803 }
1804
1805 template.MaxPathLen = 0
1806 template.MaxPathLenZero = true
1807 cert3 := serialiseAndParse(t, template)
1808 if m := cert3.MaxPathLen; m != 0 {
1809 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m)
1810 }
1811 if !cert3.MaxPathLenZero {
1812 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero")
1813 }
1814 }
1815
1816 func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) {
1817 template := &Certificate{
1818 SerialNumber: big.NewInt(1),
1819 Subject: pkix.Name{
1820 CommonName: "Σ Acme Co",
1821 },
1822 NotBefore: time.Unix(1000, 0),
1823 NotAfter: time.Unix(100000, 0),
1824
1825 BasicConstraintsValid: true,
1826 IsCA: true,
1827 SubjectKeyId: []byte{1, 2, 3, 4},
1828 }
1829
1830 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 {
1831 t.Fatalf("self-signed certificate contained default authority key id")
1832 }
1833
1834 template.AuthorityKeyId = []byte{1, 2, 3, 4}
1835 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 {
1836 t.Fatalf("self-signed certificate erased explicit authority key id")
1837 }
1838 }
1839
1840 func TestNoSubjectKeyIdInCert(t *testing.T) {
1841 template := &Certificate{
1842 SerialNumber: big.NewInt(1),
1843 Subject: pkix.Name{
1844 CommonName: "Σ Acme Co",
1845 },
1846 NotBefore: time.Unix(1000, 0),
1847 NotAfter: time.Unix(100000, 0),
1848
1849 BasicConstraintsValid: true,
1850 IsCA: true,
1851 }
1852 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1853 t.Fatalf("self-signed certificate did not generate subject key id using the public key")
1854 }
1855
1856 template.IsCA = false
1857 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 {
1858 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA")
1859 }
1860
1861 template.SubjectKeyId = []byte{1, 2, 3, 4}
1862 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1863 t.Fatalf("self-signed certificate erased explicit subject key id")
1864 }
1865 }
1866
1867 func TestASN1BitLength(t *testing.T) {
1868 tests := []struct {
1869 bytes []byte
1870 bitLen int
1871 }{
1872 {nil, 0},
1873 {[]byte{0x00}, 0},
1874 {[]byte{0x00, 0x00}, 0},
1875 {[]byte{0xf0}, 4},
1876 {[]byte{0x88}, 5},
1877 {[]byte{0xff}, 8},
1878 {[]byte{0xff, 0x80}, 9},
1879 {[]byte{0xff, 0x81}, 16},
1880 }
1881
1882 for i, test := range tests {
1883 if got := asn1BitLength(test.bytes); got != test.bitLen {
1884 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen)
1885 }
1886 }
1887 }
1888
1889 func TestVerifyEmptyCertificate(t *testing.T) {
1890 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed {
1891 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed)
1892 }
1893 }
1894
1895 func TestInsecureAlgorithmErrorString(t *testing.T) {
1896 tests := []struct {
1897 sa SignatureAlgorithm
1898 want string
1899 }{
1900 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"},
1901 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA"},
1902 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1"},
1903 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm 1"},
1904 {-1, "x509: cannot verify signature: insecure algorithm -1"},
1905 {0, "x509: cannot verify signature: insecure algorithm 0"},
1906 {9999, "x509: cannot verify signature: insecure algorithm 9999"},
1907 }
1908 for i, tt := range tests {
1909 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want {
1910 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want)
1911 }
1912 }
1913 }
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928 var csrBase64Array = [...]string{
1929
1930 "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",
1931
1932 "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",
1933 }
1934
1935 var md5cert = `
1936 -----BEGIN CERTIFICATE-----
1937 MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB
1938 VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx
1939 MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE
1940 CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB
1941 BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf
1942 Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs
1943 cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB
1944 AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY
1945 cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw
1946 GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa
1947 qViorq4=
1948 -----END CERTIFICATE-----
1949 `
1950
1951 func TestMD5(t *testing.T) {
1952 pemBlock, _ := pem.Decode([]byte(md5cert))
1953 cert, err := ParseCertificate(pemBlock.Bytes)
1954 if err != nil {
1955 t.Fatalf("failed to parse certificate: %s", err)
1956 }
1957 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA {
1958 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA)
1959 }
1960 if err = cert.CheckSignatureFrom(cert); err == nil {
1961 t.Fatalf("certificate verification succeeded incorrectly")
1962 }
1963 if _, ok := err.(InsecureAlgorithmError); !ok {
1964 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1965 }
1966 }
1967
1968 func TestSHA1(t *testing.T) {
1969 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem))
1970 cert, err := ParseCertificate(pemBlock.Bytes)
1971 if err != nil {
1972 t.Fatalf("failed to parse certificate: %s", err)
1973 }
1974 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 {
1975 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1)
1976 }
1977 if err = cert.CheckSignatureFrom(cert); err == nil {
1978 t.Fatalf("certificate verification succeeded incorrectly")
1979 }
1980 if _, ok := err.(InsecureAlgorithmError); !ok {
1981 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1982 }
1983 }
1984
1985
1986
1987 const certMissingRSANULL = `
1988 -----BEGIN CERTIFICATE-----
1989 MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD
1990 bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4
1991 MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc
1992 MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG
1993 hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE
1994 ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e
1995 E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw
1996 DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A
1997 p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4
1998 hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE
1999 GFGNEH5PlGffo05wc46QkYU=
2000 -----END CERTIFICATE-----`
2001
2002 func TestRSAMissingNULLParameters(t *testing.T) {
2003 block, _ := pem.Decode([]byte(certMissingRSANULL))
2004 if _, err := ParseCertificate(block.Bytes); err == nil {
2005 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter")
2006 } else if !strings.Contains(err.Error(), "missing NULL") {
2007 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err)
2008 }
2009 }
2010
2011 const certISOOID = `-----BEGIN CERTIFICATE-----
2012 MIIB5TCCAVKgAwIBAgIQNwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN
2013 BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx
2014 DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH
2015 GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86
2016 BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw
2017 5O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw
2018 OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW
2019 V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE
2020 J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2
2021 NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu
2022 MCRtdSdaM7g3
2023 -----END CERTIFICATE-----`
2024
2025 func TestISOOIDInCertificate(t *testing.T) {
2026 block, _ := pem.Decode([]byte(certISOOID))
2027 if cert, err := ParseCertificate(block.Bytes); err != nil {
2028 t.Errorf("certificate with ISO OID failed to parse: %s", err)
2029 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm {
2030 t.Errorf("ISO OID not recognised in certificate")
2031 }
2032 }
2033
2034
2035
2036
2037 const certMultipleRDN = `
2038 -----BEGIN CERTIFICATE-----
2039 MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz
2040 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j
2041 YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz
2042 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy
2043 dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw
2044 MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB
2045 BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM
2046 098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf
2047 HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv
2048 oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI
2049 zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/
2050 y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G
2051 A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF
2052 BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw
2053 b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE
2054 BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln
2055 b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu
2056 c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp
2057 Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292
2058 LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda
2059 gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY
2060 PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ
2061 KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y
2062 BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5
2063 ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9
2064 9C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R
2065 uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd
2066 La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF
2067 DF72IUofoVt7wo0=
2068 -----END CERTIFICATE-----`
2069
2070 func TestMultipleRDN(t *testing.T) {
2071 block, _ := pem.Decode([]byte(certMultipleRDN))
2072 cert, err := ParseCertificate(block.Bytes)
2073 if err != nil {
2074 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err)
2075 }
2076
2077 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want {
2078 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want)
2079 }
2080
2081 if want := "1236484010010"; cert.Subject.SerialNumber != want {
2082 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want)
2083 }
2084 }
2085
2086 func TestSystemCertPool(t *testing.T) {
2087 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
2088 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)")
2089 }
2090 a, err := SystemCertPool()
2091 if err != nil {
2092 t.Fatal(err)
2093 }
2094 b, err := SystemCertPool()
2095 if err != nil {
2096 t.Fatal(err)
2097 }
2098 if !certPoolEqual(a, b) {
2099 t.Fatal("two calls to SystemCertPool had different results")
2100 }
2101 if ok := b.AppendCertsFromPEM([]byte(`
2102 -----BEGIN CERTIFICATE-----
2103 MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw
2104 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2
2105 MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2106 ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf
2107 cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD
2108 yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM
2109 jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01
2110 IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl
2111 VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF
2112 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC
2113 FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR
2114 BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs
2115 1cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub
2116 YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI
2117 gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq
2118 N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6
2119 pa/O1nF0AfWOpw==
2120 -----END CERTIFICATE-----
2121 `)); !ok {
2122 t.Fatal("AppendCertsFromPEM failed")
2123 }
2124 if reflect.DeepEqual(a, b) {
2125 t.Fatal("changing one pool modified the other")
2126 }
2127 }
2128
2129 const emptyNameConstraintsPEM = `
2130 -----BEGIN CERTIFICATE-----
2131 MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2132 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2133 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2134 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2135 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2136 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2137 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2138 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2139 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2140 AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH
2141 QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb
2142 6L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H
2143 v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M
2144 LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga
2145 nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8
2146 o+WoY6IsCKXV/g==
2147 -----END CERTIFICATE-----`
2148
2149 func TestEmptyNameConstraints(t *testing.T) {
2150 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM))
2151 _, err := ParseCertificate(block.Bytes)
2152 if err == nil {
2153 t.Fatal("unexpected success")
2154 }
2155
2156 const expected = "empty name constraints"
2157 if str := err.Error(); !strings.Contains(str, expected) {
2158 t.Errorf("expected %q in error but got %q", expected, str)
2159 }
2160 }
2161
2162 func TestPKIXNameString(t *testing.T) {
2163 der, err := base64.StdEncoding.DecodeString(certBytes)
2164 if err != nil {
2165 t.Fatal(err)
2166 }
2167 certs, err := ParseCertificates(der)
2168 if err != nil {
2169 t.Fatal(err)
2170 }
2171
2172
2173 rdns := pkix.Name{
2174 Locality: []string{"Gophertown"},
2175 ExtraNames: []pkix.AttributeTypeAndValue{
2176 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2177 }.ToRDNSequence()
2178 nn := pkix.Name{}
2179 nn.FillFromRDNSequence(&rdns)
2180
2181
2182 extra := []pkix.AttributeTypeAndValue{
2183 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}}
2184 extraNotNil := pkix.Name{
2185 Locality: []string{"Gophertown"},
2186 ExtraNames: extra[:0],
2187 Names: []pkix.AttributeTypeAndValue{
2188 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2189 }
2190
2191 tests := []struct {
2192 dn pkix.Name
2193 want string
2194 }{
2195 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2196 {extraNotNil, "L=Gophertown"},
2197 {pkix.Name{
2198 CommonName: "Steve Kille",
2199 Organization: []string{"Isode Limited"},
2200 OrganizationalUnit: []string{"RFCs"},
2201 Locality: []string{"Richmond"},
2202 Province: []string{"Surrey"},
2203 StreetAddress: []string{"The Square"},
2204 PostalCode: []string{"TW9 1DT"},
2205 SerialNumber: "RFC 2253",
2206 Country: []string{"GB"},
2207 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"},
2208 {certs[0].Subject,
2209 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"},
2210 {pkix.Name{
2211 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "},
2212 Country: []string{"US"},
2213 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"},
2214 {pkix.Name{
2215 CommonName: "foo.com",
2216 Organization: []string{"Gopher Industries"},
2217 ExtraNames: []pkix.AttributeTypeAndValue{
2218 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}},
2219 }, "CN=bar.com,O=Gopher Industries"},
2220 {pkix.Name{
2221 Locality: []string{"Gophertown"},
2222 ExtraNames: []pkix.AttributeTypeAndValue{
2223 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2224 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2225
2226 {pkix.Name{
2227 Locality: []string{"Gophertown"},
2228 Names: []pkix.AttributeTypeAndValue{
2229 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2230 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2231
2232 {pkix.Name{
2233 Locality: []string{"Gophertown"},
2234 ExtraNames: []pkix.AttributeTypeAndValue{
2235 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2236 Names: []pkix.AttributeTypeAndValue{
2237 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}},
2238 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2239 }
2240
2241 for i, test := range tests {
2242 if got := test.dn.String(); got != test.want {
2243 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2244 }
2245 }
2246
2247 if extra[0].Value != "backing array" {
2248 t.Errorf("the backing array of an empty ExtraNames got modified by String")
2249 }
2250 }
2251
2252 func TestRDNSequenceString(t *testing.T) {
2253
2254
2255
2256 var (
2257 oidCountry = []int{2, 5, 4, 6}
2258 oidOrganization = []int{2, 5, 4, 10}
2259 oidOrganizationalUnit = []int{2, 5, 4, 11}
2260 oidCommonName = []int{2, 5, 4, 3}
2261 )
2262
2263 tests := []struct {
2264 seq pkix.RDNSequence
2265 want string
2266 }{
2267 {
2268 seq: pkix.RDNSequence{
2269 pkix.RelativeDistinguishedNameSET{
2270 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"},
2271 },
2272 pkix.RelativeDistinguishedNameSET{
2273 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."},
2274 },
2275 pkix.RelativeDistinguishedNameSET{
2276 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"},
2277 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"},
2278 },
2279 },
2280 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US",
2281 },
2282 }
2283
2284 for i, test := range tests {
2285 if got := test.seq.String(); got != test.want {
2286 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2287 }
2288 }
2289 }
2290
2291 const criticalNameConstraintWithUnknownTypePEM = `
2292 -----BEGIN CERTIFICATE-----
2293 MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2294 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2295 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2296 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2297 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2298 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2299 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2300 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2301 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2302 AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A
2303 AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy
2304 im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ
2305 Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl
2306 eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA
2307 /drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO
2308 ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV
2309 /g==
2310 -----END CERTIFICATE-----`
2311
2312 func TestCriticalNameConstraintWithUnknownType(t *testing.T) {
2313 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM))
2314 cert, err := ParseCertificate(block.Bytes)
2315 if err != nil {
2316 t.Fatalf("unexpected parsing failure: %s", err)
2317 }
2318
2319 if l := len(cert.UnhandledCriticalExtensions); l != 1 {
2320 t.Fatalf("expected one unhandled critical extension, but found %d", l)
2321 }
2322 }
2323
2324 const badIPMaskPEM = `
2325 -----BEGIN CERTIFICATE-----
2326 MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk
2327 IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow
2328 FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2329 ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+
2330 8DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj
2331 cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn
2332 cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j
2333 TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa
2334 OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg
2335 DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B
2336 IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV
2337 EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7
2338 VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh
2339 E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a
2340 Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI
2341 pdX+
2342 -----END CERTIFICATE-----`
2343
2344 func TestBadIPMask(t *testing.T) {
2345 block, _ := pem.Decode([]byte(badIPMaskPEM))
2346 _, err := ParseCertificate(block.Bytes)
2347 if err == nil {
2348 t.Fatalf("unexpected success")
2349 }
2350
2351 const expected = "contained invalid mask"
2352 if !strings.Contains(err.Error(), expected) {
2353 t.Fatalf("expected %q in error but got: %s", expected, err)
2354 }
2355 }
2356
2357 const additionalGeneralSubtreePEM = `
2358 -----BEGIN CERTIFICATE-----
2359 MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw
2360 bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2361 MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg
2362 QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow
2363 bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT
2364 GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC
2365 cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW
2366 4kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M
2367 8FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD
2368 dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs
2369 Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/
2370 rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG
2371 Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr
2372 BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w
2373 N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw
2374 AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs
2375 aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK
2376 YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl
2377 Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH
2378 AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv
2379 MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k
2380 ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw
2381 LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2382 gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE
2383 EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB
2384 AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA
2385 A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng
2386 5YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB
2387 dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn
2388 6OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6
2389 8vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE
2390 u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW
2391 i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc
2392 fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo
2393 QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq
2394 nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD
2395 xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw==
2396 -----END CERTIFICATE-----`
2397
2398 func TestAdditionFieldsInGeneralSubtree(t *testing.T) {
2399
2400
2401
2402 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM))
2403 if _, err := ParseCertificate(block.Bytes); err != nil {
2404 t.Fatalf("failed to parse certificate: %s", err)
2405 }
2406 }
2407
2408 func TestEmptySerialNumber(t *testing.T) {
2409 template := Certificate{
2410 DNSNames: []string{"example.com"},
2411 }
2412
2413 for range 100 {
2414 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2415 if err != nil {
2416 t.Fatalf("failed to create certificate: %s", err)
2417 }
2418
2419 cert, err := ParseCertificate(derBytes)
2420 if err != nil {
2421 t.Fatalf("failed to parse certificate: %s", err)
2422 }
2423
2424 if sign := cert.SerialNumber.Sign(); sign != 1 {
2425 t.Fatalf("generated a non positive serial, sign: %d", sign)
2426 }
2427
2428 b, err := asn1.Marshal(cert.SerialNumber)
2429 if err != nil {
2430 t.Fatalf("failed to marshal generated serial number: %s", err)
2431 }
2432
2433 if l := len(b) - 2; l > 20 {
2434 t.Fatalf("generated serial number larger than 20 octets when encoded: %d", l)
2435 }
2436 }
2437 }
2438
2439 func TestEmptySubject(t *testing.T) {
2440 template := Certificate{
2441 SerialNumber: big.NewInt(1),
2442 DNSNames: []string{"example.com"},
2443 }
2444
2445 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2446 if err != nil {
2447 t.Fatalf("failed to create certificate: %s", err)
2448 }
2449
2450 cert, err := ParseCertificate(derBytes)
2451 if err != nil {
2452 t.Fatalf("failed to parse certificate: %s", err)
2453 }
2454
2455 for _, ext := range cert.Extensions {
2456 if ext.Id.Equal(oidExtensionSubjectAltName) {
2457 if !ext.Critical {
2458 t.Fatal("SAN extension is not critical")
2459 }
2460 return
2461 }
2462 }
2463
2464 t.Fatal("SAN extension is missing")
2465 }
2466
2467
2468
2469 const multipleURLsInCRLDPPEM = `
2470 -----BEGIN CERTIFICATE-----
2471 MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB
2472 8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy
2473 dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1
2474 YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3
2475 dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh
2476 IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD
2477 LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG
2478 EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg
2479 Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj
2480 YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA
2481 A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y
2482 TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak
2483 YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL
2484 Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW
2485 jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ
2486 OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV
2487 HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI
2488 oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w
2489 gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93
2490 d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1
2491 ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg
2492 YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h
2493 b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF
2494 BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn
2495 aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v
2496 ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA
2497 A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL
2498 PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex
2499 3Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu
2500 labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6
2501 oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+
2502 eVxXDTCfs7GUlxnjOp5j559X/N0A
2503 -----END CERTIFICATE-----
2504 `
2505
2506 func TestMultipleURLsInCRLDP(t *testing.T) {
2507 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM))
2508 cert, err := ParseCertificate(block.Bytes)
2509 if err != nil {
2510 t.Fatalf("failed to parse certificate: %s", err)
2511 }
2512
2513 want := []string{
2514 "http://epscd.catcert.net/crl/ec-acc.crl",
2515 "http://epscd2.catcert.net/crl/ec-acc.crl",
2516 }
2517 if got := cert.CRLDistributionPoints; !slices.Equal(got, want) {
2518 t.Errorf("CRL distribution points = %#v, want #%v", got, want)
2519 }
2520 }
2521
2522 const hexPKCS1TestPKCS8Key = "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"
2523 const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50"
2524
2525 var pkcs1MismatchKeyTests = []struct {
2526 hexKey string
2527 errorContains string
2528 }{
2529 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"},
2530 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"},
2531 }
2532
2533 func TestPKCS1MismatchKeyFormat(t *testing.T) {
2534 for i, test := range pkcs1MismatchKeyTests {
2535 derBytes, _ := hex.DecodeString(test.hexKey)
2536 _, err := ParsePKCS1PrivateKey(derBytes)
2537 if !strings.Contains(err.Error(), test.errorContains) {
2538 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
2539 }
2540 }
2541 }
2542
2543 func TestCreateRevocationList(t *testing.T) {
2544 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2545 if err != nil {
2546 t.Fatalf("Failed to generate ECDSA P256 key: %s", err)
2547 }
2548 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader)
2549 if err != nil {
2550 t.Fatalf("Failed to generate Ed25519 key: %s", err)
2551 }
2552
2553
2554
2555 utf8CAStr := "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"
2556 utf8CABytes, _ := base64.StdEncoding.DecodeString(utf8CAStr)
2557 utf8CA, _ := ParseCertificate(utf8CABytes)
2558
2559 utf8KeyStr := "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"
2560 utf8KeyBytes, _ := base64.StdEncoding.DecodeString(utf8KeyStr)
2561 utf8KeyRaw, _ := ParsePKCS8PrivateKey(utf8KeyBytes)
2562 utf8Key := utf8KeyRaw.(crypto.Signer)
2563
2564 tests := []struct {
2565 name string
2566 key crypto.Signer
2567 issuer *Certificate
2568 template *RevocationList
2569 expectedError string
2570 }{
2571 {
2572 name: "nil template",
2573 key: ec256Priv,
2574 issuer: nil,
2575 template: nil,
2576 expectedError: "x509: template can not be nil",
2577 },
2578 {
2579 name: "nil issuer",
2580 key: ec256Priv,
2581 issuer: nil,
2582 template: &RevocationList{},
2583 expectedError: "x509: issuer can not be nil",
2584 },
2585 {
2586 name: "issuer doesn't have crlSign key usage bit set",
2587 key: ec256Priv,
2588 issuer: &Certificate{
2589 KeyUsage: KeyUsageCertSign,
2590 },
2591 template: &RevocationList{},
2592 expectedError: "x509: issuer must have the crlSign key usage bit set",
2593 },
2594 {
2595 name: "issuer missing SubjectKeyId",
2596 key: ec256Priv,
2597 issuer: &Certificate{
2598 KeyUsage: KeyUsageCRLSign,
2599 },
2600 template: &RevocationList{},
2601 expectedError: "x509: issuer certificate doesn't contain a subject key identifier",
2602 },
2603 {
2604 name: "nextUpdate before thisUpdate",
2605 key: ec256Priv,
2606 issuer: &Certificate{
2607 KeyUsage: KeyUsageCRLSign,
2608 Subject: pkix.Name{
2609 CommonName: "testing",
2610 },
2611 SubjectKeyId: []byte{1, 2, 3},
2612 },
2613 template: &RevocationList{
2614 ThisUpdate: time.Time{}.Add(time.Hour),
2615 NextUpdate: time.Time{},
2616 },
2617 expectedError: "x509: template.ThisUpdate is after template.NextUpdate",
2618 },
2619 {
2620 name: "nil Number",
2621 key: ec256Priv,
2622 issuer: &Certificate{
2623 KeyUsage: KeyUsageCRLSign,
2624 Subject: pkix.Name{
2625 CommonName: "testing",
2626 },
2627 SubjectKeyId: []byte{1, 2, 3},
2628 },
2629 template: &RevocationList{
2630 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2631 NextUpdate: time.Time{}.Add(time.Hour * 48),
2632 },
2633 expectedError: "x509: template contains nil Number field",
2634 },
2635 {
2636 name: "long Number",
2637 key: ec256Priv,
2638 issuer: &Certificate{
2639 KeyUsage: KeyUsageCRLSign,
2640 Subject: pkix.Name{
2641 CommonName: "testing",
2642 },
2643 SubjectKeyId: []byte{1, 2, 3},
2644 },
2645 template: &RevocationList{
2646 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2647 NextUpdate: time.Time{}.Add(time.Hour * 48),
2648 Number: big.NewInt(0).SetBytes(append([]byte{1}, make([]byte, 20)...)),
2649 },
2650 expectedError: "x509: CRL number exceeds 20 octets",
2651 },
2652 {
2653 name: "long Number (20 bytes, MSB set)",
2654 key: ec256Priv,
2655 issuer: &Certificate{
2656 KeyUsage: KeyUsageCRLSign,
2657 Subject: pkix.Name{
2658 CommonName: "testing",
2659 },
2660 SubjectKeyId: []byte{1, 2, 3},
2661 },
2662 template: &RevocationList{
2663 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2664 NextUpdate: time.Time{}.Add(time.Hour * 48),
2665 Number: big.NewInt(0).SetBytes(append([]byte{255}, make([]byte, 19)...)),
2666 },
2667 expectedError: "x509: CRL number exceeds 20 octets",
2668 },
2669 {
2670 name: "invalid signature algorithm",
2671 key: ec256Priv,
2672 issuer: &Certificate{
2673 KeyUsage: KeyUsageCRLSign,
2674 Subject: pkix.Name{
2675 CommonName: "testing",
2676 },
2677 SubjectKeyId: []byte{1, 2, 3},
2678 },
2679 template: &RevocationList{
2680 SignatureAlgorithm: SHA256WithRSA,
2681 RevokedCertificates: []pkix.RevokedCertificate{
2682 {
2683 SerialNumber: big.NewInt(2),
2684 RevocationTime: time.Time{}.Add(time.Hour),
2685 },
2686 },
2687 Number: big.NewInt(5),
2688 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2689 NextUpdate: time.Time{}.Add(time.Hour * 48),
2690 },
2691 expectedError: "x509: requested SignatureAlgorithm does not match private key type",
2692 },
2693 {
2694 name: "valid",
2695 key: ec256Priv,
2696 issuer: &Certificate{
2697 KeyUsage: KeyUsageCRLSign,
2698 Subject: pkix.Name{
2699 CommonName: "testing",
2700 },
2701 SubjectKeyId: []byte{1, 2, 3},
2702 },
2703 template: &RevocationList{
2704 RevokedCertificateEntries: []RevocationListEntry{
2705 {
2706 SerialNumber: big.NewInt(2),
2707 RevocationTime: time.Time{}.Add(time.Hour),
2708 },
2709 },
2710 Number: big.NewInt(5),
2711 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2712 NextUpdate: time.Time{}.Add(time.Hour * 48),
2713 },
2714 },
2715 {
2716 name: "valid, reason code",
2717 key: ec256Priv,
2718 issuer: &Certificate{
2719 KeyUsage: KeyUsageCRLSign,
2720 Subject: pkix.Name{
2721 CommonName: "testing",
2722 },
2723 SubjectKeyId: []byte{1, 2, 3},
2724 },
2725 template: &RevocationList{
2726 RevokedCertificateEntries: []RevocationListEntry{
2727 {
2728 SerialNumber: big.NewInt(2),
2729 RevocationTime: time.Time{}.Add(time.Hour),
2730 ReasonCode: 1,
2731 },
2732 },
2733 Number: big.NewInt(5),
2734 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2735 NextUpdate: time.Time{}.Add(time.Hour * 48),
2736 },
2737 },
2738 {
2739 name: "valid, extra entry extension",
2740 key: ec256Priv,
2741 issuer: &Certificate{
2742 KeyUsage: KeyUsageCRLSign,
2743 Subject: pkix.Name{
2744 CommonName: "testing",
2745 },
2746 SubjectKeyId: []byte{1, 2, 3},
2747 },
2748 template: &RevocationList{
2749 RevokedCertificateEntries: []RevocationListEntry{
2750 {
2751 SerialNumber: big.NewInt(2),
2752 RevocationTime: time.Time{}.Add(time.Hour),
2753 ExtraExtensions: []pkix.Extension{
2754 {
2755 Id: []int{2, 5, 29, 99},
2756 Value: []byte{5, 0},
2757 },
2758 },
2759 },
2760 },
2761 Number: big.NewInt(5),
2762 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2763 NextUpdate: time.Time{}.Add(time.Hour * 48),
2764 },
2765 },
2766 {
2767 name: "valid, Ed25519 key",
2768 key: ed25519Priv,
2769 issuer: &Certificate{
2770 KeyUsage: KeyUsageCRLSign,
2771 Subject: pkix.Name{
2772 CommonName: "testing",
2773 },
2774 SubjectKeyId: []byte{1, 2, 3},
2775 },
2776 template: &RevocationList{
2777 RevokedCertificateEntries: []RevocationListEntry{
2778 {
2779 SerialNumber: big.NewInt(2),
2780 RevocationTime: time.Time{}.Add(time.Hour),
2781 },
2782 },
2783 Number: big.NewInt(5),
2784 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2785 NextUpdate: time.Time{}.Add(time.Hour * 48),
2786 },
2787 },
2788 {
2789 name: "valid, non-default signature algorithm",
2790 key: ec256Priv,
2791 issuer: &Certificate{
2792 KeyUsage: KeyUsageCRLSign,
2793 Subject: pkix.Name{
2794 CommonName: "testing",
2795 },
2796 SubjectKeyId: []byte{1, 2, 3},
2797 },
2798 template: &RevocationList{
2799 SignatureAlgorithm: ECDSAWithSHA512,
2800 RevokedCertificateEntries: []RevocationListEntry{
2801 {
2802 SerialNumber: big.NewInt(2),
2803 RevocationTime: time.Time{}.Add(time.Hour),
2804 },
2805 },
2806 Number: big.NewInt(5),
2807 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2808 NextUpdate: time.Time{}.Add(time.Hour * 48),
2809 },
2810 },
2811 {
2812 name: "valid, extra extension",
2813 key: ec256Priv,
2814 issuer: &Certificate{
2815 KeyUsage: KeyUsageCRLSign,
2816 Subject: pkix.Name{
2817 CommonName: "testing",
2818 },
2819 SubjectKeyId: []byte{1, 2, 3},
2820 },
2821 template: &RevocationList{
2822 RevokedCertificateEntries: []RevocationListEntry{
2823 {
2824 SerialNumber: big.NewInt(2),
2825 RevocationTime: time.Time{}.Add(time.Hour),
2826 },
2827 },
2828 Number: big.NewInt(5),
2829 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2830 NextUpdate: time.Time{}.Add(time.Hour * 48),
2831 ExtraExtensions: []pkix.Extension{
2832 {
2833 Id: []int{2, 5, 29, 99},
2834 Value: []byte{5, 0},
2835 },
2836 },
2837 },
2838 },
2839 {
2840 name: "valid, deprecated entries with extension",
2841 key: ec256Priv,
2842 issuer: &Certificate{
2843 KeyUsage: KeyUsageCRLSign,
2844 Subject: pkix.Name{
2845 CommonName: "testing",
2846 },
2847 SubjectKeyId: []byte{1, 2, 3},
2848 },
2849 template: &RevocationList{
2850 RevokedCertificates: []pkix.RevokedCertificate{
2851 {
2852 SerialNumber: big.NewInt(2),
2853 RevocationTime: time.Time{}.Add(time.Hour),
2854 Extensions: []pkix.Extension{
2855 {
2856 Id: []int{2, 5, 29, 99},
2857 Value: []byte{5, 0},
2858 },
2859 },
2860 },
2861 },
2862 Number: big.NewInt(5),
2863 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2864 NextUpdate: time.Time{}.Add(time.Hour * 48),
2865 },
2866 },
2867 {
2868 name: "valid, empty list",
2869 key: ec256Priv,
2870 issuer: &Certificate{
2871 KeyUsage: KeyUsageCRLSign,
2872 Subject: pkix.Name{
2873 CommonName: "testing",
2874 },
2875 SubjectKeyId: []byte{1, 2, 3},
2876 },
2877 template: &RevocationList{
2878 Number: big.NewInt(5),
2879 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2880 NextUpdate: time.Time{}.Add(time.Hour * 48),
2881 },
2882 },
2883 {
2884 name: "valid CA with utf8 Subject fields including Email, empty list",
2885 key: utf8Key,
2886 issuer: utf8CA,
2887 template: &RevocationList{
2888 Number: big.NewInt(5),
2889 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2890 NextUpdate: time.Time{}.Add(time.Hour * 48),
2891 },
2892 },
2893 }
2894
2895 for _, tc := range tests {
2896 t.Run(tc.name, func(t *testing.T) {
2897 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key)
2898 if err != nil && tc.expectedError == "" {
2899 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err)
2900 } else if err != nil && tc.expectedError != err.Error() {
2901 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err)
2902 } else if err == nil && tc.expectedError != "" {
2903 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError)
2904 }
2905 if tc.expectedError != "" {
2906 return
2907 }
2908
2909 parsedCRL, err := ParseRevocationList(crl)
2910 if err != nil {
2911 t.Fatalf("Failed to parse generated CRL: %s", err)
2912 }
2913
2914 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm &&
2915 parsedCRL.SignatureAlgorithm != tc.template.SignatureAlgorithm {
2916 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm,
2917 tc.template.SignatureAlgorithm)
2918 }
2919
2920 if len(tc.template.RevokedCertificates) > 0 {
2921 if !reflect.DeepEqual(parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) {
2922 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.",
2923 parsedCRL.RevokedCertificates, tc.template.RevokedCertificates)
2924 }
2925 } else {
2926 if len(parsedCRL.RevokedCertificateEntries) != len(tc.template.RevokedCertificateEntries) {
2927 t.Fatalf("RevokedCertificateEntries length mismatch: got %d; want %d.",
2928 len(parsedCRL.RevokedCertificateEntries),
2929 len(tc.template.RevokedCertificateEntries))
2930 }
2931 for i, rce := range parsedCRL.RevokedCertificateEntries {
2932 expected := tc.template.RevokedCertificateEntries[i]
2933 if rce.SerialNumber.Cmp(expected.SerialNumber) != 0 {
2934 t.Fatalf("RevocationListEntry serial mismatch: got %d; want %d.",
2935 rce.SerialNumber, expected.SerialNumber)
2936 }
2937 if !rce.RevocationTime.Equal(expected.RevocationTime) {
2938 t.Fatalf("RevocationListEntry revocation time mismatch: got %v; want %v.",
2939 rce.RevocationTime, expected.RevocationTime)
2940 }
2941 if rce.ReasonCode != expected.ReasonCode {
2942 t.Fatalf("RevocationListEntry reason code mismatch: got %d; want %d.",
2943 rce.ReasonCode, expected.ReasonCode)
2944 }
2945 }
2946 }
2947
2948 if len(parsedCRL.Extensions) != 2+len(tc.template.ExtraExtensions) {
2949 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.Extensions))
2950 }
2951 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId})
2952 if err != nil {
2953 t.Fatalf("asn1.Marshal failed: %s", err)
2954 }
2955 akiExt := pkix.Extension{
2956 Id: oidExtensionAuthorityKeyId,
2957 Value: expectedAKI,
2958 }
2959 if !reflect.DeepEqual(parsedCRL.Extensions[0], akiExt) {
2960 t.Fatalf("Unexpected first extension: got %v, want %v",
2961 parsedCRL.Extensions[0], akiExt)
2962 }
2963 expectedNum, err := asn1.Marshal(tc.template.Number)
2964 if err != nil {
2965 t.Fatalf("asn1.Marshal failed: %s", err)
2966 }
2967 crlExt := pkix.Extension{
2968 Id: oidExtensionCRLNumber,
2969 Value: expectedNum,
2970 }
2971 if !reflect.DeepEqual(parsedCRL.Extensions[1], crlExt) {
2972 t.Fatalf("Unexpected second extension: got %v, want %v",
2973 parsedCRL.Extensions[1], crlExt)
2974 }
2975
2976
2977
2978
2979
2980
2981 if len(tc.issuer.RawSubject) > 0 {
2982 issuerSubj, err := subjectBytes(tc.issuer)
2983 if err != nil {
2984 t.Fatalf("failed to get issuer subject: %s", err)
2985 }
2986 if !bytes.Equal(issuerSubj, parsedCRL.RawIssuer) {
2987 t.Fatalf("Unexpected issuer subject; wanted: %v, got: %v", hex.EncodeToString(issuerSubj), hex.EncodeToString(parsedCRL.RawIssuer))
2988 }
2989 } else {
2990
2991
2992
2993
2994 issuerRDN := tc.issuer.Subject.ToRDNSequence()
2995 var caIssuer pkix.Name
2996 caIssuer.FillFromRDNSequence(&issuerRDN)
2997 if !reflect.DeepEqual(caIssuer, parsedCRL.Issuer) {
2998 t.Fatalf("Expected issuer.Subject, parsedCRL.Issuer to be the same; wanted: %#v, got: %#v", caIssuer, parsedCRL.Issuer)
2999 }
3000 }
3001
3002 if len(parsedCRL.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 {
3003
3004
3005 return
3006 }
3007 if !reflect.DeepEqual(parsedCRL.Extensions[2:], tc.template.ExtraExtensions) {
3008 t.Fatalf("Extensions mismatch: got %v; want %v.",
3009 parsedCRL.Extensions[2:], tc.template.ExtraExtensions)
3010 }
3011
3012 if tc.template.Number != nil && parsedCRL.Number == nil {
3013 t.Fatalf("Generated CRL missing Number: got nil, want %s",
3014 tc.template.Number.String())
3015 }
3016 if tc.template.Number != nil && tc.template.Number.Cmp(parsedCRL.Number) != 0 {
3017 t.Fatalf("Generated CRL has wrong Number: got %s, want %s",
3018 parsedCRL.Number.String(), tc.template.Number.String())
3019 }
3020 if !bytes.Equal(parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId) {
3021 t.Fatalf("Generated CRL has wrong AuthorityKeyId: got %x, want %x",
3022 parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId)
3023 }
3024 })
3025 }
3026 }
3027
3028 func TestRSAPSAParameters(t *testing.T) {
3029 generateParams := func(hashFunc crypto.Hash) []byte {
3030 var hashOID asn1.ObjectIdentifier
3031
3032 switch hashFunc {
3033 case crypto.SHA256:
3034 hashOID = oidSHA256
3035 case crypto.SHA384:
3036 hashOID = oidSHA384
3037 case crypto.SHA512:
3038 hashOID = oidSHA512
3039 }
3040
3041 params := pssParameters{
3042 Hash: pkix.AlgorithmIdentifier{
3043 Algorithm: hashOID,
3044 Parameters: asn1.NullRawValue,
3045 },
3046 MGF: pkix.AlgorithmIdentifier{
3047 Algorithm: oidMGF1,
3048 },
3049 SaltLength: hashFunc.Size(),
3050 TrailerField: 1,
3051 }
3052
3053 mgf1Params := pkix.AlgorithmIdentifier{
3054 Algorithm: hashOID,
3055 Parameters: asn1.NullRawValue,
3056 }
3057
3058 var err error
3059 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params)
3060 if err != nil {
3061 t.Fatalf("failed to marshal MGF parameters: %s", err)
3062 }
3063
3064 serialized, err := asn1.Marshal(params)
3065 if err != nil {
3066 t.Fatalf("failed to marshal parameters: %s", err)
3067 }
3068
3069 return serialized
3070 }
3071
3072 for _, detail := range signatureAlgorithmDetails {
3073 if !detail.isRSAPSS {
3074 continue
3075 }
3076 generated := generateParams(detail.hash)
3077 if !bytes.Equal(detail.params.FullBytes, generated) {
3078 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", detail.hash, generated, detail.params.FullBytes)
3079 }
3080 }
3081 }
3082
3083 func TestUnknownExtKey(t *testing.T) {
3084 const errorContains = "unknown extended key usage"
3085
3086 template := &Certificate{
3087 SerialNumber: big.NewInt(10),
3088 DNSNames: []string{"foo"},
3089 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)},
3090 }
3091
3092 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), testPrivateKey)
3093 if !strings.Contains(err.Error(), errorContains) {
3094 t.Errorf("expected error containing %q, got %s", errorContains, err)
3095 }
3096 }
3097
3098 func TestIA5SANEnforcement(t *testing.T) {
3099 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3100 if err != nil {
3101 t.Fatalf("ecdsa.GenerateKey failed: %s", err)
3102 }
3103
3104 testURL, err := url.Parse("https://example.com/")
3105 if err != nil {
3106 t.Fatalf("url.Parse failed: %s", err)
3107 }
3108 testURL.RawQuery = "∞"
3109
3110 marshalTests := []struct {
3111 name string
3112 template *Certificate
3113 expectedError string
3114 }{
3115 {
3116 name: "marshal: unicode dNSName",
3117 template: &Certificate{
3118 SerialNumber: big.NewInt(0),
3119 DNSNames: []string{"∞"},
3120 },
3121 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3122 },
3123 {
3124 name: "marshal: unicode rfc822Name",
3125 template: &Certificate{
3126 SerialNumber: big.NewInt(0),
3127 EmailAddresses: []string{"∞"},
3128 },
3129 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3130 },
3131 {
3132 name: "marshal: unicode uniformResourceIdentifier",
3133 template: &Certificate{
3134 SerialNumber: big.NewInt(0),
3135 URIs: []*url.URL{testURL},
3136 },
3137 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String",
3138 },
3139 }
3140
3141 for _, tc := range marshalTests {
3142 t.Run(tc.name, func(t *testing.T) {
3143 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k)
3144 if err == nil {
3145 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template)
3146 } else if err.Error() != tc.expectedError {
3147 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3148 }
3149 })
3150 }
3151
3152 unmarshalTests := []struct {
3153 name string
3154 cert string
3155 expectedError string
3156 }{
3157 {
3158 name: "unmarshal: unicode dNSName",
3159 cert: "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",
3160 expectedError: "x509: SAN dNSName is malformed",
3161 },
3162 {
3163 name: "unmarshal: unicode rfc822Name",
3164 cert: "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",
3165 expectedError: "x509: SAN rfc822Name is malformed",
3166 },
3167 {
3168 name: "unmarshal: unicode uniformResourceIdentifier",
3169 cert: "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",
3170 expectedError: "x509: SAN uniformResourceIdentifier is malformed",
3171 },
3172 }
3173
3174 for _, tc := range unmarshalTests {
3175 der, err := hex.DecodeString(tc.cert)
3176 if err != nil {
3177 t.Fatalf("failed to decode test cert: %s", err)
3178 }
3179 _, err = ParseCertificate(der)
3180 if err == nil {
3181 t.Error("expected CreateCertificate to fail")
3182 } else if err.Error() != tc.expectedError {
3183 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3184 }
3185 }
3186 }
3187
3188 func BenchmarkCreateCertificate(b *testing.B) {
3189 template := &Certificate{
3190 SerialNumber: big.NewInt(10),
3191 DNSNames: []string{"example.com"},
3192 }
3193 tests := []struct {
3194 name string
3195 gen func() crypto.Signer
3196 }{
3197 {
3198 name: "RSA 2048",
3199 gen: func() crypto.Signer {
3200 k, err := rsa.GenerateKey(rand.Reader, 2048)
3201 if err != nil {
3202 b.Fatalf("failed to generate test key: %s", err)
3203 }
3204 return k
3205 },
3206 },
3207 {
3208 name: "ECDSA P256",
3209 gen: func() crypto.Signer {
3210 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3211 if err != nil {
3212 b.Fatalf("failed to generate test key: %s", err)
3213 }
3214 return k
3215 },
3216 },
3217 }
3218
3219 for _, tc := range tests {
3220 k := tc.gen()
3221 b.ResetTimer()
3222 b.Run(tc.name, func(b *testing.B) {
3223 for i := 0; i < b.N; i++ {
3224 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k)
3225 if err != nil {
3226 b.Fatalf("failed to create certificate: %s", err)
3227 }
3228 }
3229 })
3230 }
3231 }
3232
3233 type brokenSigner struct {
3234 pub crypto.PublicKey
3235 }
3236
3237 func (bs *brokenSigner) Public() crypto.PublicKey {
3238 return bs.pub
3239 }
3240
3241 func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) {
3242 return []byte{1, 2, 3}, nil
3243 }
3244
3245 func TestCreateCertificateBrokenSigner(t *testing.T) {
3246 template := &Certificate{
3247 SerialNumber: big.NewInt(10),
3248 DNSNames: []string{"example.com"},
3249 }
3250 expectedErr := "signature returned by signer is invalid"
3251 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3252 if err == nil {
3253 t.Fatal("expected CreateCertificate to fail with a broken signer")
3254 } else if !strings.Contains(err.Error(), expectedErr) {
3255 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr)
3256 }
3257 }
3258
3259 func TestCreateCertificateLegacy(t *testing.T) {
3260 sigAlg := MD5WithRSA
3261 template := &Certificate{
3262 SerialNumber: big.NewInt(10),
3263 DNSNames: []string{"example.com"},
3264 SignatureAlgorithm: sigAlg,
3265 }
3266 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3267 if err == nil {
3268 t.Fatal("CreateCertificate didn't fail when SignatureAlgorithm = MD5WithRSA")
3269 }
3270 }
3271
3272 func (s *CertPool) mustCert(t *testing.T, n int) *Certificate {
3273 c, err := s.lazyCerts[n].getCert()
3274 if err != nil {
3275 t.Fatalf("failed to load cert %d: %v", n, err)
3276 }
3277 return c
3278 }
3279
3280 func allCerts(t *testing.T, p *CertPool) []*Certificate {
3281 all := make([]*Certificate, p.len())
3282 for i := range all {
3283 all[i] = p.mustCert(t, i)
3284 }
3285 return all
3286 }
3287
3288
3289
3290 func certPoolEqual(a, b *CertPool) bool {
3291 if (a != nil) != (b != nil) {
3292 return false
3293 }
3294 if a == nil {
3295 return true
3296 }
3297 if !reflect.DeepEqual(a.byName, b.byName) ||
3298 len(a.lazyCerts) != len(b.lazyCerts) {
3299 return false
3300 }
3301 for i := range a.lazyCerts {
3302 la, lb := a.lazyCerts[i], b.lazyCerts[i]
3303 if !bytes.Equal(la.rawSubject, lb.rawSubject) {
3304 return false
3305 }
3306 ca, err := la.getCert()
3307 if err != nil {
3308 panic(err)
3309 }
3310 cb, err := la.getCert()
3311 if err != nil {
3312 panic(err)
3313 }
3314 if !ca.Equal(cb) {
3315 return false
3316 }
3317 }
3318
3319 return true
3320 }
3321
3322 func TestCertificateRequestRoundtripFields(t *testing.T) {
3323 urlA, err := url.Parse("https://example.com/_")
3324 if err != nil {
3325 t.Fatal(err)
3326 }
3327 urlB, err := url.Parse("https://example.org/_")
3328 if err != nil {
3329 t.Fatal(err)
3330 }
3331 in := &CertificateRequest{
3332 DNSNames: []string{"example.com", "example.org"},
3333 EmailAddresses: []string{"a@example.com", "b@example.com"},
3334 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback},
3335 URIs: []*url.URL{urlA, urlB},
3336 }
3337 out := marshalAndParseCSR(t, in)
3338
3339 if !slices.Equal(in.DNSNames, out.DNSNames) {
3340 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames)
3341 }
3342 if !slices.Equal(in.EmailAddresses, out.EmailAddresses) {
3343 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses)
3344 }
3345 if len(in.IPAddresses) != len(out.IPAddresses) ||
3346 !in.IPAddresses[0].Equal(out.IPAddresses[0]) ||
3347 !in.IPAddresses[1].Equal(out.IPAddresses[1]) {
3348 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses)
3349 }
3350 if !reflect.DeepEqual(in.URIs, out.URIs) {
3351 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs)
3352 }
3353 }
3354
3355 func BenchmarkParseCertificate(b *testing.B) {
3356 cases := []struct {
3357 name string
3358 pem string
3359 }{
3360 {
3361 name: "ecdsa leaf",
3362 pem: `-----BEGIN CERTIFICATE-----
3363 MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG
3364 MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
3365 QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw
3366 OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG
3367 SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF
3368 kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC
3369 B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
3370 6SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU
3371 83E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w
3372 a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv
3373 L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t
3374 gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k
3375 ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t
3376 ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j
3377 b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j
3378 boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl
3379 LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv
3380 LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu
3381 Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n
3382 bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds
3383 ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n
3384 b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw
3385 aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv
3386 b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j
3387 boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t
3388 ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t
3389 ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1
3390 YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp
3391 b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C
3392 GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv
3393 cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl
3394 LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds
3395 ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv
3396 b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo
3397 aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1
3398 YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa
3399 MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0
3400 cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB
3401 Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro
3402 gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb
3403 j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr
3404 GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8
3405 DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3
3406 svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx
3407 -----END CERTIFICATE-----`,
3408 },
3409 {
3410 name: "rsa leaf",
3411 pem: `-----BEGIN CERTIFICATE-----
3412 MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw
3413 QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET
3414 MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2
3415 MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH
3416 Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq
3417 Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0
3418 UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h
3419 KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/
3420 n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De
3421 6h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE
3422 fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia
3423 OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l
3424 BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB
3425 k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI
3426 KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n
3427 dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx
3428 TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk
3429 LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk
3430 Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t
3431 cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou
3432 Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n
3433 a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh
3434 ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q
3435 Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC
3436 DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u
3437 bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k
3438 ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n
3439 bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou
3440 Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw
3441 cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq
3442 LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK
3443 Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou
3444 dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j
3445 boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0
3446 dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou
3447 eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j
3448 b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy
3449 b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v
3450 LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h
3451 cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds
3452 ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu
3453 Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i
3454 ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow
3455 KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB
3456 BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM
3457 4WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B
3458 QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1
3459 /65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS
3460 U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n
3461 YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr
3462 Qc4=
3463 -----END CERTIFICATE-----`,
3464 },
3465 }
3466 for _, c := range cases {
3467 b.Run(c.name, func(b *testing.B) {
3468 pemBlock, _ := pem.Decode([]byte(c.pem))
3469 b.ReportAllocs()
3470 b.ResetTimer()
3471 for i := 0; i < b.N; i++ {
3472 _, err := ParseCertificate(pemBlock.Bytes)
3473 if err != nil {
3474 b.Fatal(err)
3475 }
3476 }
3477 })
3478 }
3479 }
3480
3481 func TestParseCertificateRawEquals(t *testing.T) {
3482 p, _ := pem.Decode([]byte(pemCertificate))
3483 cert, err := ParseCertificate(p.Bytes)
3484 if err != nil {
3485 t.Fatalf("failed to parse certificate: %s", err)
3486 }
3487 if !bytes.Equal(p.Bytes, cert.Raw) {
3488 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes)
3489 }
3490 }
3491
3492
3493
3494
3495 const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE-----
3496 MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3497 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3498 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3499 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD
3500 AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q
3501 tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn
3502 -----END CERTIFICATE-----`
3503
3504
3505
3506
3507 const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE-----
3508 MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3509 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3510 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3511 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD
3512 AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi
3513 f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc=
3514 -----END CERTIFICATE-----`
3515
3516 func TestSigAlgMismatch(t *testing.T) {
3517 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} {
3518 b, _ := pem.Decode([]byte(certPEM))
3519 if b == nil {
3520 t.Fatalf("couldn't decode test certificate")
3521 }
3522 _, err := ParseCertificate(b.Bytes)
3523 if err == nil {
3524 t.Fatalf("expected ParseCertificate to fail")
3525 }
3526 expected := "x509: inner and outer signature algorithm identifiers don't match"
3527 if err.Error() != expected {
3528 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected)
3529 }
3530 }
3531 }
3532
3533 const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE-----
3534 MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh
3535 bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu
3536 Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g
3537 QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe
3538 BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX
3539 DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs
3540 ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy
3541 IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A
3542 MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7
3543 JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n
3544 WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4
3545 uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N
3546 rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v
3547 1vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/
3548 X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD
3549 VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD
3550 ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp
3551 ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j
3552 b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB
3553 Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j
3554 c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl
3555 cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js
3556 MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm
3557 aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD
3558 AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr
3559 mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So
3560 GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV
3561 FxdzPcwl
3562 -----END CERTIFICATE-----`
3563
3564 func TestAuthKeyIdOptional(t *testing.T) {
3565 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM))
3566 if b == nil {
3567 t.Fatalf("couldn't decode test certificate")
3568 }
3569 _, err := ParseCertificate(b.Bytes)
3570 if err != nil {
3571 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err)
3572 }
3573 }
3574
3575 const largeOIDPEM = `
3576 Certificate:
3577 Data:
3578 Version: 3 (0x2)
3579 Serial Number:
3580 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02
3581 Signature Algorithm: sha256WithRSAEncryption
3582 Issuer: O = Acme Co
3583 Validity
3584 Not Before: Dec 21 16:59:27 2021 GMT
3585 Not After : Dec 21 16:59:27 2022 GMT
3586 Subject: O = Acme Co
3587 Subject Public Key Info:
3588 Public Key Algorithm: rsaEncryption
3589 RSA Public-Key: (2048 bit)
3590 Modulus:
3591 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78:
3592 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14:
3593 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69:
3594 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c:
3595 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc:
3596 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb:
3597 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb:
3598 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f:
3599 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21:
3600 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94:
3601 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4:
3602 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa:
3603 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58:
3604 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d:
3605 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17:
3606 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21:
3607 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a:
3608 c6:bf
3609 Exponent: 65537 (0x10001)
3610 X509v3 extensions:
3611 X509v3 Key Usage: critical
3612 Digital Signature, Key Encipherment
3613 X509v3 Extended Key Usage:
3614 TLS Web Server Authentication
3615 X509v3 Basic Constraints: critical
3616 CA:FALSE
3617 X509v3 Subject Alternative Name:
3618 DNS:longOID.example
3619 X509v3 Certificate Policies:
3620 Policy: 1.3.6.1.4.1.311.21.8.1492336001
3621
3622 Signature Algorithm: sha256WithRSAEncryption
3623 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79:
3624 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c:
3625 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31:
3626 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe:
3627 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae:
3628 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c:
3629 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06:
3630 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3:
3631 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07:
3632 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80:
3633 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43:
3634 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72:
3635 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8:
3636 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f:
3637 a6:ba:88:6c
3638 -----BEGIN CERTIFICATE-----
3639 MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw
3640 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5
3641 MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
3642 ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR
3643 6FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ
3644 y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx
3645 OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi
3646 IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI
3647 E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF
3648 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC
3649 D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G
3650 CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U
3651 dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr
3652 WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX
3653 0E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr
3654 CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH
3655 Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs
3656 -----END CERTIFICATE-----`
3657
3658 func TestLargeOID(t *testing.T) {
3659
3660 b, _ := pem.Decode([]byte(largeOIDPEM))
3661 if b == nil {
3662 t.Fatalf("couldn't decode test certificate")
3663 }
3664 _, err := ParseCertificate(b.Bytes)
3665 if err != nil {
3666 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err)
3667 }
3668 }
3669
3670 const uniqueIDPEM = `-----BEGIN CERTIFICATE-----
3671 MIIFsDCCBJigAwIBAgIILOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG
3672 A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA
3673 VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA
3674 dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx
3675 ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI
3676 EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl
3677 aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV
3678 BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB
3679 AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4
3680 PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp
3681 4iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf
3682 gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU
3683 BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX
3684 Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo
3685 cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y
3686 dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz
3687 Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl
3688 bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP
3689 aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl
3690 AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT
3691 BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF
3692 6xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv
3693 AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT
3694 ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv
3695 AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD
3696 ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG
3697 Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ
3698 eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ
3699 WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5
3700 TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt
3701 yYLwhUhg3PX5Co1VKYE+9TxloiE=
3702 -----END CERTIFICATE-----`
3703
3704 func TestParseUniqueID(t *testing.T) {
3705 b, _ := pem.Decode([]byte(uniqueIDPEM))
3706 if b == nil {
3707 t.Fatalf("couldn't decode test certificate")
3708 }
3709 cert, err := ParseCertificate(b.Bytes)
3710 if err != nil {
3711 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err)
3712 }
3713 if len(cert.Extensions) != 7 {
3714 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions))
3715 }
3716 }
3717
3718 func TestDisableSHA1ForCertOnly(t *testing.T) {
3719 t.Setenv("GODEBUG", "")
3720
3721 tmpl := &Certificate{
3722 SerialNumber: big.NewInt(1),
3723 NotBefore: time.Now().Add(-time.Hour),
3724 NotAfter: time.Now().Add(time.Hour),
3725 SignatureAlgorithm: SHA1WithRSA,
3726 BasicConstraintsValid: true,
3727 IsCA: true,
3728 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign,
3729 }
3730 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey)
3731 if err != nil {
3732 t.Fatalf("failed to generate test cert: %s", err)
3733 }
3734 cert, err := ParseCertificate(certDER)
3735 if err != nil {
3736 t.Fatalf("failed to parse test cert: %s", err)
3737 }
3738
3739 err = cert.CheckSignatureFrom(cert)
3740 if err == nil {
3741 t.Error("expected CheckSignatureFrom to fail")
3742 } else if _, ok := err.(InsecureAlgorithmError); !ok {
3743 t.Errorf("expected InsecureAlgorithmError error, got %T", err)
3744 }
3745
3746 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{
3747 SignatureAlgorithm: SHA1WithRSA,
3748 Number: big.NewInt(1),
3749 ThisUpdate: time.Now().Add(-time.Hour),
3750 NextUpdate: time.Now().Add(time.Hour),
3751 }, cert, rsaPrivateKey)
3752 if err != nil {
3753 t.Fatalf("failed to generate test CRL: %s", err)
3754 }
3755 crl, err := ParseRevocationList(crlDER)
3756 if err != nil {
3757 t.Fatalf("failed to parse test CRL: %s", err)
3758 }
3759
3760 if err = crl.CheckSignatureFrom(cert); err != nil {
3761 t.Errorf("unexpected error: %s", err)
3762 }
3763
3764
3765
3766
3767 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a"
3768 ocspTBS, err := hex.DecodeString(ocspTBSHex)
3769 if err != nil {
3770 t.Fatalf("failed to decode OCSP response TBS hex: %s", err)
3771 }
3772
3773 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil)
3774 if err != rsa.ErrVerification {
3775 t.Errorf("unexpected error: %s", err)
3776 }
3777 }
3778
3779 func TestParseRevocationList(t *testing.T) {
3780 derBytes := fromBase64(derCRLBase64)
3781 certList, err := ParseRevocationList(derBytes)
3782 if err != nil {
3783 t.Errorf("error parsing: %s", err)
3784 return
3785 }
3786 numCerts := len(certList.RevokedCertificateEntries)
3787 numCertsDeprecated := len(certList.RevokedCertificateEntries)
3788 expected := 88
3789 if numCerts != expected || numCertsDeprecated != expected {
3790 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
3791 }
3792 }
3793
3794 func TestRevocationListCheckSignatureFrom(t *testing.T) {
3795 goodKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3796 if err != nil {
3797 t.Fatalf("failed to generate test key: %s", err)
3798 }
3799 badKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3800 if err != nil {
3801 t.Fatalf("failed to generate test key: %s", err)
3802 }
3803 tests := []struct {
3804 name string
3805 issuer *Certificate
3806 err string
3807 }{
3808 {
3809 name: "valid",
3810 issuer: &Certificate{
3811 Version: 3,
3812 BasicConstraintsValid: true,
3813 IsCA: true,
3814 PublicKeyAlgorithm: ECDSA,
3815 PublicKey: goodKey.Public(),
3816 },
3817 },
3818 {
3819 name: "valid, key usage set",
3820 issuer: &Certificate{
3821 Version: 3,
3822 BasicConstraintsValid: true,
3823 IsCA: true,
3824 PublicKeyAlgorithm: ECDSA,
3825 PublicKey: goodKey.Public(),
3826 KeyUsage: KeyUsageCRLSign,
3827 },
3828 },
3829 {
3830 name: "invalid issuer, wrong key usage",
3831 issuer: &Certificate{
3832 Version: 3,
3833 BasicConstraintsValid: true,
3834 IsCA: true,
3835 PublicKeyAlgorithm: ECDSA,
3836 PublicKey: goodKey.Public(),
3837 KeyUsage: KeyUsageCertSign,
3838 },
3839 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3840 },
3841 {
3842 name: "invalid issuer, no basic constraints/ca",
3843 issuer: &Certificate{
3844 Version: 3,
3845 PublicKeyAlgorithm: ECDSA,
3846 PublicKey: goodKey.Public(),
3847 },
3848 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3849 },
3850 {
3851 name: "invalid issuer, unsupported public key type",
3852 issuer: &Certificate{
3853 Version: 3,
3854 BasicConstraintsValid: true,
3855 IsCA: true,
3856 PublicKeyAlgorithm: UnknownPublicKeyAlgorithm,
3857 PublicKey: goodKey.Public(),
3858 },
3859 err: "x509: cannot verify signature: algorithm unimplemented",
3860 },
3861 {
3862 name: "wrong key",
3863 issuer: &Certificate{
3864 Version: 3,
3865 BasicConstraintsValid: true,
3866 IsCA: true,
3867 PublicKeyAlgorithm: ECDSA,
3868 PublicKey: badKey.Public(),
3869 },
3870 err: "x509: ECDSA verification failure",
3871 },
3872 }
3873
3874 crlIssuer := &Certificate{
3875 BasicConstraintsValid: true,
3876 IsCA: true,
3877 PublicKeyAlgorithm: ECDSA,
3878 PublicKey: goodKey.Public(),
3879 KeyUsage: KeyUsageCRLSign,
3880 SubjectKeyId: []byte{1, 2, 3},
3881 }
3882 for _, tc := range tests {
3883 t.Run(tc.name, func(t *testing.T) {
3884 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{Number: big.NewInt(1)}, crlIssuer, goodKey)
3885 if err != nil {
3886 t.Fatalf("failed to generate CRL: %s", err)
3887 }
3888 crl, err := ParseRevocationList(crlDER)
3889 if err != nil {
3890 t.Fatalf("failed to parse test CRL: %s", err)
3891 }
3892 err = crl.CheckSignatureFrom(tc.issuer)
3893 if err != nil && err.Error() != tc.err {
3894 t.Errorf("unexpected error: got %s, want %s", err, tc.err)
3895 } else if err == nil && tc.err != "" {
3896 t.Errorf("CheckSignatureFrom did not fail: want %s", tc.err)
3897 }
3898 })
3899 }
3900 }
3901
3902 func TestOmitEmptyExtensions(t *testing.T) {
3903 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3904 if err != nil {
3905 t.Fatal(err)
3906 }
3907 tmpl := &Certificate{
3908 SerialNumber: big.NewInt(1),
3909 Subject: pkix.Name{
3910 CommonName: ":)",
3911 },
3912 NotAfter: time.Now().Add(time.Hour),
3913 NotBefore: time.Now().Add(-time.Hour),
3914 }
3915 der, err := CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3916 if err != nil {
3917 t.Fatal(err)
3918 }
3919
3920 emptyExtSeq := []byte{0xA3, 0x02, 0x30, 0x00}
3921 if bytes.Contains(der, emptyExtSeq) {
3922 t.Error("DER encoding contains the an empty extensions SEQUENCE")
3923 }
3924 }
3925
3926 var negativeSerialCert = `-----BEGIN CERTIFICATE-----
3927 MIIBBTCBraADAgECAgH/MAoGCCqGSM49BAMCMA0xCzAJBgNVBAMTAjopMB4XDTIy
3928 MDQxNDIzNTYwNFoXDTIyMDQxNTAxNTYwNFowDTELMAkGA1UEAxMCOikwWTATBgcq
3929 hkjOPQIBBggqhkjOPQMBBwNCAAQ9ezsIsj+q17K87z/PXE/rfGRN72P/Wyn5d6oo
3930 5M0ZbSatuntMvfKdX79CQxXAxN4oXk3Aov4jVSG12AcDI8ShMAoGCCqGSM49BAMC
3931 A0cAMEQCIBzfBU5eMPT6m5lsR6cXaJILpAaiD9YxOl4v6dT3rzEjAiBHmjnHmAss
3932 RqUAyJKFzqZxOlK2q4j2IYnuj5+LrLGbQA==
3933 -----END CERTIFICATE-----`
3934
3935 func TestParseNegativeSerial(t *testing.T) {
3936 pemBlock, _ := pem.Decode([]byte(negativeSerialCert))
3937 _, err := ParseCertificate(pemBlock.Bytes)
3938 if err == nil {
3939 t.Fatal("parsed certificate with negative serial")
3940 }
3941 }
3942
3943 func TestCreateNegativeSerial(t *testing.T) {
3944 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3945 if err != nil {
3946 t.Fatal(err)
3947 }
3948 tmpl := &Certificate{
3949 SerialNumber: big.NewInt(-1),
3950 Subject: pkix.Name{
3951 CommonName: ":)",
3952 },
3953 NotAfter: time.Now().Add(time.Hour),
3954 NotBefore: time.Now().Add(-time.Hour),
3955 }
3956 expectedErr := "x509: serial number must be positive"
3957 _, err = CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3958 if err == nil || err.Error() != expectedErr {
3959 t.Errorf("CreateCertificate returned unexpected error: want %q, got %q", expectedErr, err)
3960 }
3961 }
3962
3963 const dupExtCert = `-----BEGIN CERTIFICATE-----
3964 MIIBrjCCARegAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwR0ZXN0
3965 MCIYDzAwMDEwMTAxMDAwMDAwWhgPMDAwMTAxMDEwMDAwMDBaMA8xDTALBgNVBAMT
3966 BHRlc3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMiFchnHms9l9NninAIz
3967 SkY9acwl9Bk2AtmJrNCenFpiA17AcOO5q8DJYwdXi6WPKlVgcyH+ysW8XMWkq+CP
3968 yhtF/+LMzl9odaUF2iUy3vgTC5gxGLWH5URVssx21Und2Pm2f4xyou5IVxbS9dxy
3969 jLvV9PEY9BIb0H+zFthjhihDAgMBAAGjFjAUMAgGAioDBAIFADAIBgIqAwQCBQAw
3970 DQYJKoZIhvcNAQELBQADgYEAlhQ4TQQKIQ8GUyzGiN/75TCtQtjhMGemxc0cNgre
3971 d9rmm4DjydH0t7/sMCB56lQrfhJNplguzsbjFW4l245KbNKHfLiqwEGUgZjBNKur
3972 ot6qX/skahLtt0CNOaFIge75HVKe/69OrWQGdp18dkay/KS4Glu8YMKIjOhfrUi1
3973 NZA=
3974 -----END CERTIFICATE-----`
3975
3976 func TestDuplicateExtensionsCert(t *testing.T) {
3977 b, _ := pem.Decode([]byte(dupExtCert))
3978 if b == nil {
3979 t.Fatalf("couldn't decode test certificate")
3980 }
3981 _, err := ParseCertificate(b.Bytes)
3982 if err == nil {
3983 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions")
3984 }
3985 }
3986
3987 const dupExtCSR = `-----BEGIN CERTIFICATE REQUEST-----
3988 MIIBczCB3QIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
3989 ADCBiQKBgQC5PbxMGVJ8aLF9lq/EvGObXTRMB7ieiZL9N+DJZg1n/ECCnZLIvYrr
3990 ZmmDV7YZsClgxKGfjJB0RQFFyZElFM9EfHEs8NJdidDKCRdIhDXQWRyhXKevHvdm
3991 CQNKzUeoxvdHpU/uscSkw6BgUzPyLyTx9A6ye2ix94z8Y9hGOBO2DQIDAQABoCUw
3992 IwYJKoZIhvcNAQkOMRYwFDAIBgIqAwQCBQAwCAYCKgMEAgUAMA0GCSqGSIb3DQEB
3993 CwUAA4GBAHROEsE7URk1knXmBnQtIHwoq663vlMcX3Hes58pUy020rWP8QkocA+X
3994 VF18/phg3p5ILlS4fcbbP2bEeV0pePo2k00FDPsJEKCBAX2LKxbU7Vp2OuV2HM2+
3995 VLOVx0i+/Q7fikp3hbN1JwuMTU0v2KL/IKoUcZc02+5xiYrnOIt5
3996 -----END CERTIFICATE REQUEST-----`
3997
3998 func TestDuplicateExtensionsCSR(t *testing.T) {
3999 b, _ := pem.Decode([]byte(dupExtCSR))
4000 if b == nil {
4001 t.Fatalf("couldn't decode test CSR")
4002 }
4003 _, err := ParseCertificateRequest(b.Bytes)
4004 if err == nil {
4005 t.Fatal("ParseCertificateRequest should fail when parsing CSR with duplicate extensions")
4006 }
4007 }
4008
4009 const dupAttCSR = `-----BEGIN CERTIFICATE REQUEST-----
4010 MIIBbDCB1gIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
4011 ADCBiQKBgQCj5Po3PKO/JNuxr+B+WNfMIzqqYztdlv+mTQhT0jOR5rTkUvxeeHH8
4012 YclryES2dOISjaUOTmOAr5GQIIdQl4Ql33Cp7ZR/VWcRn+qvTak0Yow+xVsDo0n4
4013 7IcvvP6CJ7FRoYBUakVczeXLxCjLwdyK16VGJM06eRzDLykPxpPwLQIDAQABoB4w
4014 DQYCKgMxBwwFdGVzdDEwDQYCKgMxBwwFdGVzdDIwDQYJKoZIhvcNAQELBQADgYEA
4015 UJ8hsHxtnIeqb2ufHnQFJO+wEJhx2Uxm/BTuzHOeffuQkwATez4skZ7SlX9exgb7
4016 6jRMRilqb4F7f8w+uDoqxRrA9zc8mwY16zPsyBhRet+ZGbj/ilgvGmtZ21qZZ/FU
4017 0pJFJIVLM3l49Onr5uIt5+hCWKwHlgE0nGpjKLR3cMg=
4018 -----END CERTIFICATE REQUEST-----`
4019
4020 func TestDuplicateAttributesCSR(t *testing.T) {
4021 b, _ := pem.Decode([]byte(dupAttCSR))
4022 if b == nil {
4023 t.Fatalf("couldn't decode test CSR")
4024 }
4025 _, err := ParseCertificateRequest(b.Bytes)
4026 if err != nil {
4027 t.Fatal("ParseCertificateRequest should succeed when parsing CSR with duplicate attributes")
4028 }
4029 }
4030
4031 func TestCertificateOIDPoliciesGODEBUG(t *testing.T) {
4032 t.Setenv("GODEBUG", "x509usepolicies=0")
4033
4034 template := Certificate{
4035 SerialNumber: big.NewInt(1),
4036 Subject: pkix.Name{CommonName: "Cert"},
4037 NotBefore: time.Unix(1000, 0),
4038 NotAfter: time.Unix(100000, 0),
4039 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
4040 }
4041
4042 var expectPolicyIdentifiers = []asn1.ObjectIdentifier{
4043 []int{1, 2, 3},
4044 }
4045
4046 var expectPolicies = []OID{
4047 mustNewOIDFromInts([]uint64{1, 2, 3}),
4048 }
4049
4050 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4051 if err != nil {
4052 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4053 }
4054
4055 cert, err := ParseCertificate(certDER)
4056 if err != nil {
4057 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4058 }
4059
4060 if !slices.EqualFunc(cert.PolicyIdentifiers, expectPolicyIdentifiers, slices.Equal) {
4061 t.Errorf("cert.PolicyIdentifiers = %v, want: %v", cert.PolicyIdentifiers, expectPolicyIdentifiers)
4062 }
4063
4064 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4065 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4066 }
4067 }
4068
4069 func TestCertificatePolicies(t *testing.T) {
4070 if x509usepolicies.Value() == "0" {
4071 t.Skip("test relies on default x509usepolicies GODEBUG")
4072 }
4073
4074 template := Certificate{
4075 SerialNumber: big.NewInt(1),
4076 Subject: pkix.Name{CommonName: "Cert"},
4077 NotBefore: time.Unix(1000, 0),
4078 NotAfter: time.Unix(100000, 0),
4079 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
4080 Policies: []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})},
4081 }
4082
4083 expectPolicies := []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})}
4084 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4085 if err != nil {
4086 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4087 }
4088
4089 cert, err := ParseCertificate(certDER)
4090 if err != nil {
4091 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4092 }
4093
4094 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4095 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4096 }
4097
4098 t.Setenv("GODEBUG", "x509usepolicies=1")
4099 expectPolicies = []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})}
4100
4101 certDER, err = CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4102 if err != nil {
4103 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4104 }
4105
4106 cert, err = ParseCertificate(certDER)
4107 if err != nil {
4108 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4109 }
4110
4111 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4112 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4113 }
4114 }
4115
4116 func TestGob(t *testing.T) {
4117
4118
4119 cert := new(Certificate)
4120 err := gob.NewEncoder(io.Discard).Encode(cert)
4121 if err != nil {
4122 t.Fatal(err)
4123 }
4124 }
4125
4126 func TestRejectCriticalAKI(t *testing.T) {
4127 template := Certificate{
4128 SerialNumber: big.NewInt(1),
4129 Subject: pkix.Name{CommonName: "Cert"},
4130 NotBefore: time.Unix(1000, 0),
4131 NotAfter: time.Unix(100000, 0),
4132 ExtraExtensions: []pkix.Extension{
4133 {
4134 Id: asn1.ObjectIdentifier{2, 5, 29, 35},
4135 Critical: true,
4136 Value: []byte{1, 2, 3},
4137 },
4138 },
4139 }
4140 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4141 if err != nil {
4142 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4143 }
4144 expectedErr := "x509: authority key identifier incorrectly marked critical"
4145 _, err = ParseCertificate(certDER)
4146 if err == nil || err.Error() != expectedErr {
4147 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4148 }
4149 }
4150
4151 func TestRejectCriticalAIA(t *testing.T) {
4152 template := Certificate{
4153 SerialNumber: big.NewInt(1),
4154 Subject: pkix.Name{CommonName: "Cert"},
4155 NotBefore: time.Unix(1000, 0),
4156 NotAfter: time.Unix(100000, 0),
4157 ExtraExtensions: []pkix.Extension{
4158 {
4159 Id: asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 1},
4160 Critical: true,
4161 Value: []byte{1, 2, 3},
4162 },
4163 },
4164 }
4165 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4166 if err != nil {
4167 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4168 }
4169 expectedErr := "x509: authority info access incorrectly marked critical"
4170 _, err = ParseCertificate(certDER)
4171 if err == nil || err.Error() != expectedErr {
4172 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4173 }
4174 }
4175
4176 func TestRejectCriticalSKI(t *testing.T) {
4177 template := Certificate{
4178 SerialNumber: big.NewInt(1),
4179 Subject: pkix.Name{CommonName: "Cert"},
4180 NotBefore: time.Unix(1000, 0),
4181 NotAfter: time.Unix(100000, 0),
4182 ExtraExtensions: []pkix.Extension{
4183 {
4184 Id: asn1.ObjectIdentifier{2, 5, 29, 14},
4185 Critical: true,
4186 Value: []byte{1, 2, 3},
4187 },
4188 },
4189 }
4190 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4191 if err != nil {
4192 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4193 }
4194 expectedErr := "x509: subject key identifier incorrectly marked critical"
4195 _, err = ParseCertificate(certDER)
4196 if err == nil || err.Error() != expectedErr {
4197 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4198 }
4199 }
4200
4201 type messageSigner struct{}
4202
4203 func (ms *messageSigner) Public() crypto.PublicKey { return rsaPrivateKey.Public() }
4204
4205 func (ms *messageSigner) Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error) {
4206 return nil, errors.New("unimplemented")
4207 }
4208
4209 func (ms *messageSigner) SignMessage(rand io.Reader, msg []byte, opts crypto.SignerOpts) (signature []byte, err error) {
4210 if _, ok := opts.(*rsa.PSSOptions); ok {
4211 return nil, errors.New("PSSOptions passed instead of hash")
4212 }
4213 h := opts.HashFunc().New()
4214 h.Write(msg)
4215 tbs := h.Sum(nil)
4216 return rsa.SignPKCS1v15(rand, rsaPrivateKey, opts.HashFunc(), tbs)
4217 }
4218
4219 func TestMessageSigner(t *testing.T) {
4220 template := Certificate{
4221 SignatureAlgorithm: SHA256WithRSA,
4222 SerialNumber: big.NewInt(1),
4223 Subject: pkix.Name{CommonName: "Cert"},
4224 NotBefore: time.Unix(1000, 0),
4225 NotAfter: time.Unix(100000, 0),
4226 BasicConstraintsValid: true,
4227 IsCA: true,
4228 }
4229 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), &messageSigner{})
4230 if err != nil {
4231 t.Fatalf("CreateCertificate failed: %s", err)
4232 }
4233 cert, err := ParseCertificate(certDER)
4234 if err != nil {
4235 t.Fatalf("ParseCertificate failed: %s", err)
4236 }
4237 if err := cert.CheckSignatureFrom(cert); err != nil {
4238 t.Fatalf("CheckSignatureFrom failed: %s", err)
4239 }
4240 }
4241
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