Source file
src/crypto/x509/x509_test.go
1
2
3
4
5 package x509
6
7 import (
8 "bytes"
9 "crypto"
10 "crypto/dsa"
11 "crypto/ecdh"
12 "crypto/ecdsa"
13 "crypto/ed25519"
14 "crypto/elliptic"
15 "crypto/rand"
16 "crypto/rsa"
17 _ "crypto/sha256"
18 _ "crypto/sha512"
19 "crypto/x509/pkix"
20 "encoding/asn1"
21 "encoding/base64"
22 "encoding/gob"
23 "encoding/hex"
24 "encoding/pem"
25 "fmt"
26 "internal/testenv"
27 "io"
28 "math"
29 "math/big"
30 "net"
31 "net/url"
32 "os/exec"
33 "reflect"
34 "runtime"
35 "slices"
36 "strings"
37 "testing"
38 "time"
39 )
40
41 func TestParsePKCS1PrivateKey(t *testing.T) {
42 block, _ := pem.Decode([]byte(pemPrivateKey))
43 priv, err := ParsePKCS1PrivateKey(block.Bytes)
44 if err != nil {
45 t.Errorf("Failed to parse private key: %s", err)
46 return
47 }
48 if priv.PublicKey.N.Cmp(rsaPrivateKey.PublicKey.N) != 0 ||
49 priv.PublicKey.E != rsaPrivateKey.PublicKey.E ||
50 priv.D.Cmp(rsaPrivateKey.D) != 0 ||
51 priv.Primes[0].Cmp(rsaPrivateKey.Primes[0]) != 0 ||
52 priv.Primes[1].Cmp(rsaPrivateKey.Primes[1]) != 0 {
53 t.Errorf("got:%+v want:%+v", priv, rsaPrivateKey)
54 }
55
56
57
58 data := []byte("0\x16\x02\x00\x02\x02\u007f\x00\x02\x0200\x02\x0200\x02\x02\x00\x01\x02\x02\u007f\x00")
59 if _, err := ParsePKCS1PrivateKey(data); err == nil {
60 t.Errorf("parsing invalid private key did not result in an error")
61 }
62
63
64 b, _ := asn1.Marshal(struct {
65 Version int
66 N *big.Int
67 E int
68 D *big.Int
69 P *big.Int
70 Q *big.Int
71 }{
72 N: priv.N,
73 E: priv.PublicKey.E,
74 D: priv.D,
75 P: priv.Primes[0],
76 Q: priv.Primes[1],
77 })
78 p2, err := ParsePKCS1PrivateKey(b)
79 if err != nil {
80 t.Fatalf("parsing partial private key resulted in an error: %v", err)
81 }
82 if !p2.Equal(priv) {
83 t.Errorf("partial private key did not match original key")
84 }
85 if p2.Precomputed.Dp == nil || p2.Precomputed.Dq == nil || p2.Precomputed.Qinv == nil {
86 t.Errorf("precomputed values not recomputed")
87 }
88 }
89
90 func TestPKCS1MismatchPublicKeyFormat(t *testing.T) {
91
92 const pkixPublicKey = "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"
93 const errorContains = "use ParsePKIXPublicKey instead"
94 derBytes, _ := hex.DecodeString(pkixPublicKey)
95 _, err := ParsePKCS1PublicKey(derBytes)
96 if !strings.Contains(err.Error(), errorContains) {
97 t.Errorf("expected error containing %q, got %s", errorContains, err)
98 }
99 }
100
101 func TestMarshalInvalidPublicKey(t *testing.T) {
102 _, err := MarshalPKIXPublicKey(&ecdsa.PublicKey{})
103 if err == nil {
104 t.Errorf("expected error, got MarshalPKIXPublicKey success")
105 }
106 _, err = MarshalPKIXPublicKey(&ecdsa.PublicKey{
107 Curve: elliptic.P256(),
108 X: big.NewInt(1), Y: big.NewInt(2),
109 })
110 if err == nil {
111 t.Errorf("expected error, got MarshalPKIXPublicKey success")
112 }
113 }
114
115 func testParsePKIXPublicKey(t *testing.T, pemBytes string) (pub any) {
116 block, _ := pem.Decode([]byte(pemBytes))
117 pub, err := ParsePKIXPublicKey(block.Bytes)
118 if err != nil {
119 t.Fatalf("Failed to parse public key: %s", err)
120 }
121
122 pubBytes2, err := MarshalPKIXPublicKey(pub)
123 if err != nil {
124 t.Errorf("Failed to marshal public key for the second time: %s", err)
125 return
126 }
127 if !bytes.Equal(pubBytes2, block.Bytes) {
128 t.Errorf("Reserialization of public key didn't match. got %x, want %x", pubBytes2, block.Bytes)
129 }
130 return
131 }
132
133 func TestParsePKIXPublicKey(t *testing.T) {
134 t.Run("RSA", func(t *testing.T) {
135 pub := testParsePKIXPublicKey(t, pemPublicKey)
136 _, ok := pub.(*rsa.PublicKey)
137 if !ok {
138 t.Errorf("Value returned from ParsePKIXPublicKey was not an RSA public key")
139 }
140 })
141 t.Run("Ed25519", func(t *testing.T) {
142 pub := testParsePKIXPublicKey(t, pemEd25519Key)
143 _, ok := pub.(ed25519.PublicKey)
144 if !ok {
145 t.Errorf("Value returned from ParsePKIXPublicKey was not an Ed25519 public key")
146 }
147 })
148 t.Run("X25519", func(t *testing.T) {
149 pub := testParsePKIXPublicKey(t, pemX25519Key)
150 k, ok := pub.(*ecdh.PublicKey)
151 if !ok || k.Curve() != ecdh.X25519() {
152 t.Errorf("Value returned from ParsePKIXPublicKey was not an X25519 public key")
153 }
154 })
155 }
156
157 var pemPublicKey = `-----BEGIN PUBLIC KEY-----
158 MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3VoPN9PKUjKFLMwOge6+
159 wnDi8sbETGIx2FKXGgqtAKpzmem53kRGEQg8WeqRmp12wgp74TGpkEXsGae7RS1k
160 enJCnma4fii+noGH7R0qKgHvPrI2Bwa9hzsH8tHxpyM3qrXslOmD45EH9SxIDUBJ
161 FehNdaPbLP1gFyahKMsdfxFJLUvbUycuZSJ2ZnIgeVxwm4qbSvZInL9Iu4FzuPtg
162 fINKcbbovy1qq4KvPIrXzhbY3PWDc6btxCf3SE0JdE1MCPThntB62/bLMSQ7xdDR
163 FF53oIpvxe/SCOymfWq/LW849Ytv3Xwod0+wzAP8STXG4HSELS4UedPYeHJJJYcZ
164 +QIDAQAB
165 -----END PUBLIC KEY-----
166 `
167
168 var pemPrivateKey = testingKey(`
169 -----BEGIN RSA TESTING KEY-----
170 MIICXAIBAAKBgQCxoeCUW5KJxNPxMp+KmCxKLc1Zv9Ny+4CFqcUXVUYH69L3mQ7v
171 IWrJ9GBfcaA7BPQqUlWxWM+OCEQZH1EZNIuqRMNQVuIGCbz5UQ8w6tS0gcgdeGX7
172 J7jgCQ4RK3F/PuCM38QBLaHx988qG8NMc6VKErBjctCXFHQt14lerd5KpQIDAQAB
173 AoGAYrf6Hbk+mT5AI33k2Jt1kcweodBP7UkExkPxeuQzRVe0KVJw0EkcFhywKpr1
174 V5eLMrILWcJnpyHE5slWwtFHBG6a5fLaNtsBBtcAIfqTQ0Vfj5c6SzVaJv0Z5rOd
175 7gQF6isy3t3w9IF3We9wXQKzT6q5ypPGdm6fciKQ8RnzREkCQQDZwppKATqQ41/R
176 vhSj90fFifrGE6aVKC1hgSpxGQa4oIdsYYHwMzyhBmWW9Xv/R+fPyr8ZwPxp2c12
177 33QwOLPLAkEA0NNUb+z4ebVVHyvSwF5jhfJxigim+s49KuzJ1+A2RaSApGyBZiwS
178 rWvWkB471POAKUYt5ykIWVZ83zcceQiNTwJBAMJUFQZX5GDqWFc/zwGoKkeR49Yi
179 MTXIvf7Wmv6E++eFcnT461FlGAUHRV+bQQXGsItR/opIG7mGogIkVXa3E1MCQARX
180 AAA7eoZ9AEHflUeuLn9QJI/r0hyQQLEtrpwv6rDT1GCWaLII5HJ6NUFVf4TTcqxo
181 6vdM4QGKTJoO+SaCyP0CQFdpcxSAuzpFcKv0IlJ8XzS/cy+mweCMwyJ1PFEc4FX6
182 wg/HcAJWY60xZTJDFN+Qfx8ZQvBEin6c2/h+zZi5IVY=
183 -----END RSA TESTING KEY-----
184 `)
185
186
187 var pemEd25519Key = `
188 -----BEGIN PUBLIC KEY-----
189 MCowBQYDK2VwAyEAGb9ECWmEzf6FQbrBZ9w7lshQhqowtrbLDFw4rXAxZuE=
190 -----END PUBLIC KEY-----
191 `
192
193
194 var pemX25519Key = `
195 -----BEGIN PUBLIC KEY-----
196 MCowBQYDK2VuAyEA5yGXrH/6OzxuWEhEWS01/f4OP+Of3Yrddy6/J1kDTVM=
197 -----END PUBLIC KEY-----
198 `
199
200 func TestPKIXMismatchPublicKeyFormat(t *testing.T) {
201
202 const pkcs1PublicKey = "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"
203 const errorContains = "use ParsePKCS1PublicKey instead"
204 derBytes, _ := hex.DecodeString(pkcs1PublicKey)
205 _, err := ParsePKIXPublicKey(derBytes)
206 if !strings.Contains(err.Error(), errorContains) {
207 t.Errorf("expected error containing %q, got %s", errorContains, err)
208 }
209 }
210
211 var testPrivateKey *rsa.PrivateKey
212
213 func init() {
214 block, _ := pem.Decode([]byte(pemPrivateKey))
215
216 var err error
217 if testPrivateKey, err = ParsePKCS1PrivateKey(block.Bytes); err != nil {
218 panic("Failed to parse private key: " + err.Error())
219 }
220 }
221
222 func bigFromString(s string) *big.Int {
223 ret := new(big.Int)
224 ret.SetString(s, 10)
225 return ret
226 }
227
228 func fromBase10(base10 string) *big.Int {
229 i := new(big.Int)
230 i.SetString(base10, 10)
231 return i
232 }
233
234 func bigFromHexString(s string) *big.Int {
235 ret := new(big.Int)
236 ret.SetString(s, 16)
237 return ret
238 }
239
240 var rsaPrivateKey = &rsa.PrivateKey{
241 PublicKey: rsa.PublicKey{
242 N: bigFromString("124737666279038955318614287965056875799409043964547386061640914307192830334599556034328900586693254156136128122194531292927142396093148164407300419162827624945636708870992355233833321488652786796134504707628792159725681555822420087112284637501705261187690946267527866880072856272532711620639179596808018872997"),
243 E: 65537,
244 },
245 D: bigFromString("69322600686866301945688231018559005300304807960033948687567105312977055197015197977971637657636780793670599180105424702854759606794705928621125408040473426339714144598640466128488132656829419518221592374964225347786430566310906679585739468938549035854760501049443920822523780156843263434219450229353270690889"),
246 Primes: []*big.Int{
247 bigFromString("11405025354575369741595561190164746858706645478381139288033759331174478411254205003127028642766986913445391069745480057674348716675323735886284176682955723"),
248 bigFromString("10937079261204603443118731009201819560867324167189758120988909645641782263430128449826989846631183550578761324239709121189827307416350485191350050332642639"),
249 },
250 }
251
252 func TestMarshalRSAPrivateKey(t *testing.T) {
253 priv := &rsa.PrivateKey{
254 PublicKey: rsa.PublicKey{
255 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
256 E: 3,
257 },
258 D: fromBase10("10897585948254795600358846499957366070880176878341177571733155050184921896034527397712889205732614568234385175145686545381899460748279607074689061600935843283397424506622998458510302603922766336783617368686090042765718290914099334449154829375179958369993407724946186243249568928237086215759259909861748642124071874879861299389874230489928271621259294894142840428407196932444474088857746123104978617098858619445675532587787023228852383149557470077802718705420275739737958953794088728369933811184572620857678792001136676902250566845618813972833750098806496641114644760255910789397593428910198080271317419213080834885003"),
259 Primes: []*big.Int{
260 fromBase10("1025363189502892836833747188838978207017355117492483312747347695538428729137306368764177201532277413433182799108299960196606011786562992097313508180436744488171474690412562218914213688661311117337381958560443"),
261 fromBase10("3467903426626310123395340254094941045497208049900750380025518552334536945536837294961497712862519984786362199788654739924501424784631315081391467293694361474867825728031147665777546570788493758372218019373"),
262 fromBase10("4597024781409332673052708605078359346966325141767460991205742124888960305710298765592730135879076084498363772408626791576005136245060321874472727132746643162385746062759369754202494417496879741537284589047"),
263 },
264 }
265
266 derBytes := MarshalPKCS1PrivateKey(priv)
267
268 priv2, err := ParsePKCS1PrivateKey(derBytes)
269 if err != nil {
270 t.Errorf("error parsing serialized key: %s", err)
271 return
272 }
273 if priv.PublicKey.N.Cmp(priv2.PublicKey.N) != 0 ||
274 priv.PublicKey.E != priv2.PublicKey.E ||
275 priv.D.Cmp(priv2.D) != 0 ||
276 len(priv2.Primes) != 3 ||
277 priv.Primes[0].Cmp(priv2.Primes[0]) != 0 ||
278 priv.Primes[1].Cmp(priv2.Primes[1]) != 0 ||
279 priv.Primes[2].Cmp(priv2.Primes[2]) != 0 {
280 t.Errorf("wrong priv:\ngot %+v\nwant %+v", priv2, priv)
281 }
282
283 if priv.Precomputed.Dp == nil {
284 t.Fatalf("Precomputed.Dp is nil")
285 }
286 }
287
288 func TestMarshalRSAPrivateKeyInvalid(t *testing.T) {
289 block, _ := pem.Decode([]byte(strings.ReplaceAll(
290 `-----BEGIN RSA TESTING KEY-----
291 MIIEowIBAAKCAQEAsPnoGUOnrpiSqt4XynxA+HRP7S+BSObI6qJ7fQAVSPtRkqso
292 tWxQYLEYzNEx5ZSHTGypibVsJylvCfuToDTfMul8b/CZjP2Ob0LdpYrNH6l5hvFE
293 89FU1nZQF15oVLOpUgA7wGiHuEVawrGfey92UE68mOyUVXGweJIVDdxqdMoPvNNU
294 l86BU02vlBiESxOuox+dWmuVV7vfYZ79Toh/LUK43YvJh+rhv4nKuF7iHjVjBd9s
295 B6iDjj70HFldzOQ9r8SRI+9NirupPTkF5AKNe6kUhKJ1luB7S27ZkvB3tSTT3P59
296 3VVJvnzOjaA1z6Cz+4+eRvcysqhrRgFlwI9TEwIDAQABAoIBAEEYiyDP29vCzx/+
297 dS3LqnI5BjUuJhXUnc6AWX/PCgVAO+8A+gZRgvct7PtZb0sM6P9ZcLrweomlGezI
298 FrL0/6xQaa8bBr/ve/a8155OgcjFo6fZEw3Dz7ra5fbSiPmu4/b/kvrg+Br1l77J
299 aun6uUAs1f5B9wW+vbR7tzbT/mxaUeDiBzKpe15GwcvbJtdIVMa2YErtRjc1/5B2
300 BGVXyvlJv0SIlcIEMsHgnAFOp1ZgQ08aDzvilLq8XVMOahAhP1O2A3X8hKdXPyrx
301 IVWE9bS9ptTo+eF6eNl+d7htpKGEZHUxinoQpWEBTv+iOoHsVunkEJ3vjLP3lyI/
302 fY0NQ1ECgYEA3RBXAjgvIys2gfU3keImF8e/TprLge1I2vbWmV2j6rZCg5r/AS0u
303 pii5CvJ5/T5vfJPNgPBy8B/yRDs+6PJO1GmnlhOkG9JAIPkv0RBZvR0PMBtbp6nT
304 Y3yo1lwamBVBfY6rc0sLTzosZh2aGoLzrHNMQFMGaauORzBFpY5lU50CgYEAzPHl
305 u5DI6Xgep1vr8QvCUuEesCOgJg8Yh1UqVoY/SmQh6MYAv1I9bLGwrb3WW/7kqIoD
306 fj0aQV5buVZI2loMomtU9KY5SFIsPV+JuUpy7/+VE01ZQM5FdY8wiYCQiVZYju9X
307 Wz5LxMNoz+gT7pwlLCsC4N+R8aoBk404aF1gum8CgYAJ7VTq7Zj4TFV7Soa/T1eE
308 k9y8a+kdoYk3BASpCHJ29M5R2KEA7YV9wrBklHTz8VzSTFTbKHEQ5W5csAhoL5Fo
309 qoHzFFi3Qx7MHESQb9qHyolHEMNx6QdsHUn7rlEnaTTyrXh3ifQtD6C0yTmFXUIS
310 CW9wKApOrnyKJ9nI0HcuZQKBgQCMtoV6e9VGX4AEfpuHvAAnMYQFgeBiYTkBKltQ
311 XwozhH63uMMomUmtSG87Sz1TmrXadjAhy8gsG6I0pWaN7QgBuFnzQ/HOkwTm+qKw
312 AsrZt4zeXNwsH7QXHEJCFnCmqw9QzEoZTrNtHJHpNboBuVnYcoueZEJrP8OnUG3r
313 UjmopwKBgAqB2KYYMUqAOvYcBnEfLDmyZv9BTVNHbR2lKkMYqv5LlvDaBxVfilE0
314 2riO4p6BaAdvzXjKeRrGNEKoHNBpOSfYCOM16NjL8hIZB1CaV3WbT5oY+jp7Mzd5
315 7d56RZOE+ERK2uz/7JX9VSsM/LbH9pJibd4e8mikDS9ntciqOH/3
316 -----END RSA TESTING KEY-----`, "TESTING KEY", "PRIVATE KEY")))
317 testRSA2048, _ := ParsePKCS1PrivateKey(block.Bytes)
318
319 broken := *testRSA2048
320 broken.Precomputed.Dp = new(big.Int).SetUint64(42)
321
322 parsed, err := ParsePKCS1PrivateKey(MarshalPKCS1PrivateKey(&broken))
323 if err == nil {
324 t.Errorf("expected error, got success")
325 }
326
327 t.Setenv("GODEBUG", "x509rsacrt=0")
328
329 parsed, err = ParsePKCS1PrivateKey(MarshalPKCS1PrivateKey(&broken))
330 if err != nil {
331 t.Fatalf("expected success, got error: %v", err)
332 }
333
334 if parsed.Precomputed.Dp.Cmp(testRSA2048.Precomputed.Dp) != 0 {
335 t.Errorf("Dp recomputation failed: got %v, want %v", parsed.Precomputed.Dp, testRSA2048.Precomputed.Dp)
336 }
337 }
338
339 func TestMarshalRSAPublicKey(t *testing.T) {
340 pub := &rsa.PublicKey{
341 N: fromBase10("16346378922382193400538269749936049106320265317511766357599732575277382844051791096569333808598921852351577762718529818072849191122419410612033592401403764925096136759934497687765453905884149505175426053037420486697072448609022753683683718057795566811401938833367954642951433473337066311978821180526439641496973296037000052546108507805269279414789035461158073156772151892452251106173507240488993608650881929629163465099476849643165682709047462010581308719577053905787496296934240246311806555924593059995202856826239801816771116902778517096212527979497399966526283516447337775509777558018145573127308919204297111496233"),
342 E: 3,
343 }
344 derBytes := MarshalPKCS1PublicKey(pub)
345 pub2, err := ParsePKCS1PublicKey(derBytes)
346 if err != nil {
347 t.Errorf("ParsePKCS1PublicKey: %s", err)
348 }
349 if pub.N.Cmp(pub2.N) != 0 || pub.E != pub2.E {
350 t.Errorf("ParsePKCS1PublicKey = %+v, want %+v", pub, pub2)
351 }
352
353
354
355
356 derBytes2, err := asn1.Marshal(*pub)
357 if err != nil {
358 t.Errorf("Marshal(rsa.PublicKey): %v", err)
359 } else if !bytes.Equal(derBytes, derBytes2) {
360 t.Errorf("Marshal(rsa.PublicKey) = %x, want %x", derBytes2, derBytes)
361 }
362 pub3 := new(rsa.PublicKey)
363 rest, err := asn1.Unmarshal(derBytes, pub3)
364 if err != nil {
365 t.Errorf("Unmarshal(rsa.PublicKey): %v", err)
366 }
367 if len(rest) != 0 || pub.N.Cmp(pub3.N) != 0 || pub.E != pub3.E {
368 t.Errorf("Unmarshal(rsa.PublicKey) = %+v, %q want %+v, %q", pub, rest, pub2, []byte(nil))
369 }
370
371 publicKeys := []struct {
372 derBytes []byte
373 expectedErrSubstr string
374 }{
375 {
376 derBytes: []byte{
377 0x30, 6,
378 0x02, 1,
379 17,
380 0x02, 1,
381 3,
382 },
383 }, {
384 derBytes: []byte{
385 0x30, 6,
386 0x02, 1,
387 0xff,
388 0x02, 1,
389 3,
390 },
391 expectedErrSubstr: "zero or negative",
392 }, {
393 derBytes: []byte{
394 0x30, 6,
395 0x02, 1,
396 17,
397 0x02, 1,
398 0xff,
399 },
400 expectedErrSubstr: "zero or negative",
401 }, {
402 derBytes: []byte{
403 0x30, 6,
404 0x02, 1,
405 17,
406 0x02, 1,
407 3,
408 1,
409 },
410 expectedErrSubstr: "trailing data",
411 }, {
412 derBytes: []byte{
413 0x30, 9,
414 0x02, 1,
415 17,
416 0x02, 4,
417 0x7f, 0xff, 0xff, 0xff,
418 },
419 }, {
420 derBytes: []byte{
421 0x30, 10,
422 0x02, 1,
423 17,
424 0x02, 5,
425 0x00, 0x80, 0x00, 0x00, 0x00,
426 },
427
428
429
430
431
432 expectedErrSubstr: "large",
433 },
434 }
435
436 for i, test := range publicKeys {
437 shouldFail := len(test.expectedErrSubstr) > 0
438 pub, err := ParsePKCS1PublicKey(test.derBytes)
439 if shouldFail {
440 if err == nil {
441 t.Errorf("#%d: unexpected success, got %#v", i, pub)
442 } else if !strings.Contains(err.Error(), test.expectedErrSubstr) {
443 t.Errorf("#%d: expected error containing %q, got %s", i, test.expectedErrSubstr, err)
444 }
445 } else {
446 if err != nil {
447 t.Errorf("#%d: unexpected failure: %s", i, err)
448 continue
449 }
450 reserialized := MarshalPKCS1PublicKey(pub)
451 if !bytes.Equal(reserialized, test.derBytes) {
452 t.Errorf("#%d: failed to reserialize: got %x, expected %x", i, reserialized, test.derBytes)
453 }
454 }
455 }
456 }
457
458 type matchHostnamesTest struct {
459 pattern, host string
460 ok bool
461 }
462
463 var matchHostnamesTests = []matchHostnamesTest{
464 {"a.b.c", "a.b.c", true},
465 {"a.b.c", "b.b.c", false},
466 {"", "b.b.c", false},
467 {"a.b.c", "", false},
468 {"example.com", "example.com", true},
469 {"example.com", "www.example.com", false},
470 {"*.example.com", "example.com", false},
471 {"*.example.com", "www.example.com", true},
472 {"*.example.com", "www.example.com.", true},
473 {"*.example.com", "xyz.www.example.com", false},
474 {"*.example.com", "https://www.example.com", false},
475 {"*.example..com", "www.example..com", false},
476 {"www.example..com", "www.example..com", true},
477 {"*.*.example.com", "xyz.www.example.com", false},
478 {"*.www.*.com", "xyz.www.example.com", false},
479 {"*bar.example.com", "foobar.example.com", false},
480 {"f*.example.com", "foobar.example.com", false},
481 {"www.example.com", "*.example.com", false},
482 {"", ".", false},
483 {".", "", false},
484 {".", ".", false},
485 {"example.com", "example.com.", true},
486 {"example.com.", "example.com", false},
487 {"example.com.", "example.com.", true},
488 {"*.com.", "example.com.", false},
489 {"*.com.", "example.com", false},
490 {"*.com", "example.com", true},
491 {"*.com", "example.com.", true},
492 {"foo:bar", "foo:bar", true},
493 {"*.foo:bar", "xxx.foo:bar", false},
494 {"*.2.3.4", "1.2.3.4", false},
495 {"*.2.3.4", "[1.2.3.4]", false},
496 {"*:4860:4860::8888", "2001:4860:4860::8888", false},
497 {"*:4860:4860::8888", "[2001:4860:4860::8888]", false},
498 {"2001:4860:4860::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 }
503
504 func TestMatchHostnames(t *testing.T) {
505 for i, test := range matchHostnamesTests {
506 c := &Certificate{DNSNames: []string{test.pattern}}
507 r := c.VerifyHostname(test.host) == nil
508 if r != test.ok {
509 t.Errorf("#%d mismatch got: %t want: %t when matching '%s' against '%s'", i, r, test.ok, test.host, test.pattern)
510 }
511 }
512 }
513
514 func TestMatchIP(t *testing.T) {
515
516 c := &Certificate{
517 DNSNames: []string{"*.foo.bar.baz"},
518 Subject: pkix.Name{
519 CommonName: "*.foo.bar.baz",
520 },
521 }
522 err := c.VerifyHostname("quux.foo.bar.baz")
523 if err != nil {
524 t.Fatalf("VerifyHostname(quux.foo.bar.baz): %v", err)
525 }
526
527
528
529 c = &Certificate{
530 DNSNames: []string{"*.2.3.4"},
531 Subject: pkix.Name{
532 CommonName: "*.2.3.4",
533 },
534 }
535 err = c.VerifyHostname("1.2.3.4")
536 if err == nil {
537 t.Fatalf("VerifyHostname(1.2.3.4) should have failed, did not")
538 }
539
540 c = &Certificate{
541 IPAddresses: []net.IP{net.ParseIP("127.0.0.1"), net.ParseIP("::1")},
542 }
543 err = c.VerifyHostname("127.0.0.1")
544 if err != nil {
545 t.Fatalf("VerifyHostname(127.0.0.1): %v", err)
546 }
547 err = c.VerifyHostname("::1")
548 if err != nil {
549 t.Fatalf("VerifyHostname(::1): %v", err)
550 }
551 err = c.VerifyHostname("[::1]")
552 if err != nil {
553 t.Fatalf("VerifyHostname([::1]): %v", err)
554 }
555 }
556
557 func TestCertificateParse(t *testing.T) {
558 s, _ := base64.StdEncoding.DecodeString(certBytes)
559 certs, err := ParseCertificates(s)
560 if err != nil {
561 t.Error(err)
562 }
563 if len(certs) != 2 {
564 t.Errorf("Wrong number of certs: got %d want 2", len(certs))
565 return
566 }
567
568 err = certs[0].CheckSignatureFrom(certs[1])
569 if err != nil {
570 t.Error(err)
571 }
572
573 if err := certs[0].VerifyHostname("mail.google.com"); err != nil {
574 t.Error(err)
575 }
576
577 const expectedExtensions = 10
578 if n := len(certs[0].Extensions); n != expectedExtensions {
579 t.Errorf("want %d extensions, got %d", expectedExtensions, n)
580 }
581 }
582
583 func TestCertificateEqualOnNil(t *testing.T) {
584 cNonNil := new(Certificate)
585 var cNil1, cNil2 *Certificate
586 if !cNil1.Equal(cNil2) {
587 t.Error("Nil certificates: cNil1 is not equal to cNil2")
588 }
589 if !cNil2.Equal(cNil1) {
590 t.Error("Nil certificates: cNil2 is not equal to cNil1")
591 }
592 if cNil1.Equal(cNonNil) {
593 t.Error("Unexpectedly cNil1 is equal to cNonNil")
594 }
595 if cNonNil.Equal(cNil1) {
596 t.Error("Unexpectedly cNonNil is equal to cNil1")
597 }
598 }
599
600 func TestMismatchedSignatureAlgorithm(t *testing.T) {
601 der, _ := pem.Decode([]byte(rsaPSSSelfSignedPEM))
602 if der == nil {
603 t.Fatal("Failed to find PEM block")
604 }
605
606 cert, err := ParseCertificate(der.Bytes)
607 if err != nil {
608 t.Fatal(err)
609 }
610
611 if err = cert.CheckSignature(ECDSAWithSHA256, nil, nil); err == nil {
612 t.Fatal("CheckSignature unexpectedly return no error")
613 }
614
615 const expectedSubstring = " but have public key of type "
616 if !strings.Contains(err.Error(), expectedSubstring) {
617 t.Errorf("Expected error containing %q, but got %q", expectedSubstring, err)
618 }
619 }
620
621 var certBytes = "MIIE0jCCA7qgAwIBAgIQWcvS+TTB3GwCAAAAAGEAWzANBgkqhkiG9w0BAQsFADBCMQswCQYD" +
622 "VQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMwEQYDVQQDEwpHVFMg" +
623 "Q0EgMU8xMB4XDTIwMDQwMTEyNTg1NloXDTIwMDYyNDEyNTg1NlowaTELMAkGA1UEBhMCVVMx" +
624 "EzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEzARBgNVBAoT" +
625 "Ckdvb2dsZSBMTEMxGDAWBgNVBAMTD21haWwuZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG" +
626 "SM49AwEHA0IABO+dYiPnkFl+cZVf6mrWeNp0RhQcJSBGH+sEJxjvc+cYlW3QJCnm57qlpFdd" +
627 "pz3MPyVejvXQdM6iI1mEWP4C2OujggJmMIICYjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww" +
628 "CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUI6pZhnQ/lQgmPDwSKR2A54G7" +
629 "AS4wHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswZAYIKwYBBQUHAQEEWDBWMCcG" +
630 "CCsGAQUFBzABhhtodHRwOi8vb2NzcC5wa2kuZ29vZy9ndHMxbzEwKwYIKwYBBQUHMAKGH2h0" +
631 "dHA6Ly9wa2kuZ29vZy9nc3IyL0dUUzFPMS5jcnQwLAYDVR0RBCUwI4IPbWFpbC5nb29nbGUu" +
632 "Y29tghBpbmJveC5nb29nbGUuY29tMCEGA1UdIAQaMBgwCAYGZ4EMAQICMAwGCisGAQQB1nkC" +
633 "BQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2NybC5wa2kuZ29vZy9HVFMxTzEuY3JsMIIB" +
634 "AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+L" +
635 "kF4AAAFxNgmxKgAABAMARzBFAiEA12/OHdTGXQ3qHHC3NvYCyB8aEz/+ZFOLCAI7lhqj28sC" +
636 "IG2/7Yz2zK6S6ai+dH7cTMZmoFGo39gtaTqtZAqEQX7nAHUAXqdz+d9WwOe1Nkh90EngMnqR" +
637 "mgyEoRIShBh1loFxRVgAAAFxNgmxTAAABAMARjBEAiA7PNq+MFfv6O9mBkxFViS2TfU66yRB" +
638 "/njcebWglLQjZQIgOyRKhxlEizncFRml7yn4Bg48ktXKGjo+uiw6zXEINb0wDQYJKoZIhvcN" +
639 "AQELBQADggEBADM2Rh306Q10PScsolYMxH1B/K4Nb2WICvpY0yDPJFdnGjqCYym196TjiEvs" +
640 "R6etfeHdyzlZj6nh82B4TVyHjiWM02dQgPalOuWQcuSy0OvLh7F1E7CeHzKlczdFPBTOTdM1" +
641 "RDTxlvw1bAqc0zueM8QIAyEy3opd7FxAcGQd5WRIJhzLBL+dbbMOW/LTeW7cm/Xzq8cgCybN" +
642 "BSZAvhjseJ1L29OlCTZL97IfnX0IlFQzWuvvHy7V2B0E3DHlzM0kjwkkCKDUUp/wajv2NZKC" +
643 "TkhEyERacZRKc9U0ADxwsAzHrdz5+5zfD2usEV/MQ5V6d8swLXs+ko0X6swrd4YCiB8wggRK" +
644 "MIIDMqADAgECAg0B47SaoY2KqYElaVC4MA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0ds" +
645 "b2JhbFNpZ24gUm9vdCBDQSAtIFIyMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpH" +
646 "bG9iYWxTaWduMB4XDTE3MDYxNTAwMDA0MloXDTIxMTIxNTAwMDA0MlowQjELMAkGA1UEBhMC" +
647 "VVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczETMBEGA1UEAxMKR1RTIENBIDFP" +
648 "MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAYz0XUi83TnORA73603WkhG8nP" +
649 "PI5MdbkPMRmEPZ48Ke9QDRCTbwWAgJ8qoL0SSwLhPZ9YFiT+MJ8LdHdVkx1L903hkoIQ9lGs" +
650 "DMOyIpQPNGuYEEnnC52DOd0gxhwt79EYYWXnI4MgqCMS/9Ikf9Qv50RqW03XUGawr55CYwX7" +
651 "4BzEY2Gvn2oz/2KXvUjZ03wUZ9x13C5p6PhteGnQtxAFuPExwjsk/RozdPgj4OxrGYoWxuPN" +
652 "pM0L27OkWWA4iDutHbnGjKdTG/y82aSrvN08YdeTFZjugb2P4mRHIEAGTtesl+i5wFkSoUkl" +
653 "I+TtcDQspbRjfPmjPYPRzW0krAcCAwEAAaOCATMwggEvMA4GA1UdDwEB/wQEAwIBhjAdBgNV" +
654 "HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4E" +
655 "FgQUmNH4bhDrz5vsYJ8YkBug630J/SswHwYDVR0jBBgwFoAUm+IHV2ccHsBqBt5ZtJot39wZ" +
656 "hi4wNQYIKwYBBQUHAQEEKTAnMCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC5wa2kuZ29vZy9n" +
657 "c3IyMDIGA1UdHwQrMCkwJ6AloCOGIWh0dHA6Ly9jcmwucGtpLmdvb2cvZ3NyMi9nc3IyLmNy" +
658 "bDA/BgNVHSAEODA2MDQGBmeBDAECAjAqMCgGCCsGAQUFBwIBFhxodHRwczovL3BraS5nb29n" +
659 "L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAagD42efvzLqlGN31eVBY1rsdOCJn+" +
660 "vdE0aSZSZgc9CrpJy2L08RqO/BFPaJZMdCvTZ96yo6oFjYRNTCBlD6WW2g0W+Gw7228EI4hr" +
661 "OmzBYL1on3GO7i1YNAfw1VTphln9e14NIZT1jMmo+NjyrcwPGvOap6kEJ/mjybD/AnhrYbrH" +
662 "NSvoVvpPwxwM7bY8tEvq7czhPOzcDYzWPpvKQliLzBYhF0C8otZm79rEFVvNiaqbCSbnMtIN" +
663 "bmcgAlsQsJAJnAwfnq3YO+qh/GzoEFwIUhlRKnG7rHq13RXtK8kIKiyKtKYhq2P/11JJUNCJ" +
664 "t63yr/tQri/hlQ3zRq2dnPXK"
665
666 func parseCIDR(s string) *net.IPNet {
667 _, net, err := net.ParseCIDR(s)
668 if err != nil {
669 panic(err)
670 }
671 return net
672 }
673
674 func parseURI(s string) *url.URL {
675 uri, err := url.Parse(s)
676 if err != nil {
677 panic(err)
678 }
679 return uri
680 }
681
682 func TestCreateSelfSignedCertificate(t *testing.T) {
683 random := rand.Reader
684
685 ecdsaPriv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
686 if err != nil {
687 t.Fatalf("Failed to generate ECDSA key: %s", err)
688 }
689
690 ed25519Pub, ed25519Priv, err := ed25519.GenerateKey(random)
691 if err != nil {
692 t.Fatalf("Failed to generate Ed25519 key: %s", err)
693 }
694
695 tests := []struct {
696 name string
697 pub, priv any
698 checkSig bool
699 sigAlgo SignatureAlgorithm
700 }{
701 {"RSA/RSA", &testPrivateKey.PublicKey, testPrivateKey, true, SHA384WithRSA},
702 {"RSA/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
703 {"ECDSA/RSA", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSA},
704 {"ECDSA/ECDSA", &ecdsaPriv.PublicKey, ecdsaPriv, true, ECDSAWithSHA256},
705 {"RSAPSS/RSAPSS", &testPrivateKey.PublicKey, testPrivateKey, true, SHA256WithRSAPSS},
706 {"ECDSA/RSAPSS", &ecdsaPriv.PublicKey, testPrivateKey, false, SHA256WithRSAPSS},
707 {"RSAPSS/ECDSA", &testPrivateKey.PublicKey, ecdsaPriv, false, ECDSAWithSHA384},
708 {"Ed25519", ed25519Pub, ed25519Priv, true, PureEd25519},
709 }
710
711 testExtKeyUsage := []ExtKeyUsage{ExtKeyUsageClientAuth, ExtKeyUsageServerAuth}
712 testUnknownExtKeyUsage := []asn1.ObjectIdentifier{[]int{1, 2, 3}, []int{2, 59, 1}}
713 extraExtensionData := []byte("extra extension")
714
715 for _, test := range tests {
716 commonName := "test.example.com"
717 template := Certificate{
718 SerialNumber: big.NewInt(1),
719 Subject: pkix.Name{
720 CommonName: commonName,
721 Organization: []string{"Σ Acme Co"},
722 Country: []string{"US"},
723 ExtraNames: []pkix.AttributeTypeAndValue{
724 {
725 Type: []int{2, 5, 4, 42},
726 Value: "Gopher",
727 },
728
729 {
730 Type: []int{2, 5, 4, 6},
731 Value: "NL",
732 },
733 },
734 },
735 NotBefore: time.Unix(1000, 0),
736 NotAfter: time.Unix(100000, 0),
737
738 SignatureAlgorithm: test.sigAlgo,
739
740 SubjectKeyId: []byte{1, 2, 3, 4},
741 KeyUsage: KeyUsageCertSign,
742
743 ExtKeyUsage: testExtKeyUsage,
744 UnknownExtKeyUsage: testUnknownExtKeyUsage,
745
746 BasicConstraintsValid: true,
747 IsCA: true,
748
749 OCSPServer: []string{"http://ocsp.example.com"},
750 IssuingCertificateURL: []string{"http://crt.example.com/ca1.crt"},
751
752 DNSNames: []string{"test.example.com"},
753 EmailAddresses: []string{"gopher@golang.org"},
754 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
755 URIs: []*url.URL{parseURI("https://foo.com/wibble#foo")},
756
757 Policies: []OID{mustNewOIDFromInts([]uint64{1, 2, 3, math.MaxUint32, math.MaxUint64})},
758 PermittedDNSDomains: []string{".example.com", "example.com"},
759 ExcludedDNSDomains: []string{"bar.example.com"},
760 PermittedIPRanges: []*net.IPNet{parseCIDR("192.168.1.1/16"), parseCIDR("1.2.3.4/8")},
761 ExcludedIPRanges: []*net.IPNet{parseCIDR("2001:db8::/48")},
762 PermittedEmailAddresses: []string{"foo@example.com"},
763 ExcludedEmailAddresses: []string{".example.com", "example.com"},
764 PermittedURIDomains: []string{".bar.com", "bar.com"},
765 ExcludedURIDomains: []string{".bar2.com", "bar2.com"},
766
767 CRLDistributionPoints: []string{"http://crl1.example.com/ca1.crl", "http://crl2.example.com/ca1.crl"},
768
769 ExtraExtensions: []pkix.Extension{
770 {
771 Id: []int{1, 2, 3, 4},
772 Value: extraExtensionData,
773 },
774
775 {
776 Id: oidExtensionSubjectKeyId,
777 Critical: false,
778 Value: []byte{0x04, 0x04, 4, 3, 2, 1},
779 },
780 },
781 }
782
783 derBytes, err := CreateCertificate(random, &template, &template, test.pub, test.priv)
784 if err != nil {
785 t.Errorf("%s: failed to create certificate: %s", test.name, err)
786 continue
787 }
788
789 cert, err := ParseCertificate(derBytes)
790 if err != nil {
791 t.Errorf("%s: failed to parse certificate: %s", test.name, err)
792 continue
793 }
794
795 if len(cert.Policies) != 1 || !cert.Policies[0].Equal(template.Policies[0]) {
796 t.Errorf("%s: failed to parse policy identifiers: got:%#v want:%#v", test.name, cert.PolicyIdentifiers, template.Policies)
797 }
798
799 if len(cert.PermittedDNSDomains) != 2 || cert.PermittedDNSDomains[0] != ".example.com" || cert.PermittedDNSDomains[1] != "example.com" {
800 t.Errorf("%s: failed to parse name constraints: %#v", test.name, cert.PermittedDNSDomains)
801 }
802
803 if len(cert.ExcludedDNSDomains) != 1 || cert.ExcludedDNSDomains[0] != "bar.example.com" {
804 t.Errorf("%s: failed to parse name constraint exclusions: %#v", test.name, cert.ExcludedDNSDomains)
805 }
806
807 if len(cert.PermittedIPRanges) != 2 || cert.PermittedIPRanges[0].String() != "192.168.0.0/16" || cert.PermittedIPRanges[1].String() != "1.0.0.0/8" {
808 t.Errorf("%s: failed to parse IP constraints: %#v", test.name, cert.PermittedIPRanges)
809 }
810
811 if len(cert.ExcludedIPRanges) != 1 || cert.ExcludedIPRanges[0].String() != "2001:db8::/48" {
812 t.Errorf("%s: failed to parse IP constraint exclusions: %#v", test.name, cert.ExcludedIPRanges)
813 }
814
815 if len(cert.PermittedEmailAddresses) != 1 || cert.PermittedEmailAddresses[0] != "foo@example.com" {
816 t.Errorf("%s: failed to parse permitted email addresses: %#v", test.name, cert.PermittedEmailAddresses)
817 }
818
819 if len(cert.ExcludedEmailAddresses) != 2 || cert.ExcludedEmailAddresses[0] != ".example.com" || cert.ExcludedEmailAddresses[1] != "example.com" {
820 t.Errorf("%s: failed to parse excluded email addresses: %#v", test.name, cert.ExcludedEmailAddresses)
821 }
822
823 if len(cert.PermittedURIDomains) != 2 || cert.PermittedURIDomains[0] != ".bar.com" || cert.PermittedURIDomains[1] != "bar.com" {
824 t.Errorf("%s: failed to parse permitted URIs: %#v", test.name, cert.PermittedURIDomains)
825 }
826
827 if len(cert.ExcludedURIDomains) != 2 || cert.ExcludedURIDomains[0] != ".bar2.com" || cert.ExcludedURIDomains[1] != "bar2.com" {
828 t.Errorf("%s: failed to parse excluded URIs: %#v", test.name, cert.ExcludedURIDomains)
829 }
830
831 if cert.Subject.CommonName != commonName {
832 t.Errorf("%s: subject wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Subject.CommonName, commonName)
833 }
834
835 if len(cert.Subject.Country) != 1 || cert.Subject.Country[0] != "NL" {
836 t.Errorf("%s: ExtraNames didn't override Country", test.name)
837 }
838
839 for _, ext := range cert.Extensions {
840 if ext.Id.Equal(oidExtensionSubjectAltName) {
841 if ext.Critical {
842 t.Fatal("SAN extension is marked critical")
843 }
844 }
845 }
846
847 found := false
848 for _, atv := range cert.Subject.Names {
849 if atv.Type.Equal([]int{2, 5, 4, 42}) {
850 found = true
851 break
852 }
853 }
854 if !found {
855 t.Errorf("%s: Names didn't contain oid 2.5.4.42 from ExtraNames", test.name)
856 }
857
858 if cert.Issuer.CommonName != commonName {
859 t.Errorf("%s: issuer wasn't correctly copied from the template. Got %s, want %s", test.name, cert.Issuer.CommonName, commonName)
860 }
861
862 if cert.SignatureAlgorithm != test.sigAlgo {
863 t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo)
864 }
865
866 if !slices.Equal(cert.ExtKeyUsage, testExtKeyUsage) {
867 t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage)
868 }
869
870 if !slices.EqualFunc(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage, asn1.ObjectIdentifier.Equal) {
871 t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage)
872 }
873
874 if !slices.Equal(cert.OCSPServer, template.OCSPServer) {
875 t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer)
876 }
877
878 if !slices.Equal(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
879 t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL)
880 }
881
882 if !slices.Equal(cert.DNSNames, template.DNSNames) {
883 t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames)
884 }
885
886 if !slices.Equal(cert.EmailAddresses, template.EmailAddresses) {
887 t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses)
888 }
889
890 if len(cert.URIs) != 1 || cert.URIs[0].String() != "https://foo.com/wibble#foo" {
891 t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs)
892 }
893
894 if !slices.EqualFunc(cert.IPAddresses, template.IPAddresses, net.IP.Equal) {
895 t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses)
896 }
897
898 if !slices.Equal(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
899 t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints)
900 }
901
902 if !bytes.Equal(cert.SubjectKeyId, []byte{4, 3, 2, 1}) {
903 t.Errorf("%s: ExtraExtensions didn't override SubjectKeyId", test.name)
904 }
905
906 if !bytes.Contains(derBytes, extraExtensionData) {
907 t.Errorf("%s: didn't find extra extension in DER output", test.name)
908 }
909
910 if test.checkSig {
911 err = cert.CheckSignatureFrom(cert)
912 if err != nil {
913 t.Errorf("%s: signature verification failed: %s", test.name, err)
914 }
915 }
916 }
917 }
918
919
920 var ecdsaSHA1CertPem = `
921 -----BEGIN CERTIFICATE-----
922 MIICDjCCAbUCCQDF6SfN0nsnrjAJBgcqhkjOPQQBMIGPMQswCQYDVQQGEwJVUzET
923 MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEVMBMG
924 A1UECgwMR29vZ2xlLCBJbmMuMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
925 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIwMjAyMDUw
926 WhcNMjIwNTE4MjAyMDUwWjCBjzELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
927 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTATBgNVBAoMDEdvb2dsZSwg
928 SW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAhBgkqhkiG9w0BCQEWFGdv
929 bGFuZy1kZXZAZ21haWwuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/Wgn
930 WQDo5+bz71T0327ERgd5SDDXFbXLpzIZDXTkjpe8QTEbsF+ezsQfrekrpDPC4Cd3
931 P9LY0tG+aI8IyVKdUjAJBgcqhkjOPQQBA0gAMEUCIGlsqMcRqWVIWTD6wXwe6Jk2
932 DKxL46r/FLgJYnzBEH99AiEA3fBouObsvV1R3oVkb4BQYnD4/4LeId6lAT43YvyV
933 a/A=
934 -----END CERTIFICATE-----
935 `
936
937
938 var ecdsaSHA256p256CertPem = `
939 -----BEGIN CERTIFICATE-----
940 MIICDzCCAbYCCQDlsuMWvgQzhTAKBggqhkjOPQQDAjCBjzELMAkGA1UEBhMCVVMx
941 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFTAT
942 BgNVBAoMDEdvb2dsZSwgSW5jLjEXMBUGA1UEAwwOd3d3Lmdvb2dsZS5jb20xIzAh
943 BgkqhkiG9w0BCQEWFGdvbGFuZy1kZXZAZ21haWwuY29tMB4XDTEyMDUyMTAwMTkx
944 NloXDTIyMDUxOTAwMTkxNlowgY8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxp
945 Zm9ybmlhMRYwFAYDVQQHDA1Nb3VudGFpbiBWaWV3MRUwEwYDVQQKDAxHb29nbGUs
946 IEluYy4xFzAVBgNVBAMMDnd3dy5nb29nbGUuY29tMSMwIQYJKoZIhvcNAQkBFhRn
947 b2xhbmctZGV2QGdtYWlsLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPMt
948 2ErhxAty5EJRu9yM+MTy+hUXm3pdW1ensAv382KoGExSXAFWP7pjJnNtHO+XSwVm
949 YNtqjcAGFKpweoN//kQwCgYIKoZIzj0EAwIDRwAwRAIgIYSaUA/IB81gjbIw/hUV
950 70twxJr5EcgOo0hLp3Jm+EYCIFDO3NNcgmURbJ1kfoS3N/0O+irUtoPw38YoNkqJ
951 h5wi
952 -----END CERTIFICATE-----
953 `
954
955
956 var ecdsaSHA256p384CertPem = `
957 -----BEGIN CERTIFICATE-----
958 MIICSjCCAdECCQDje/no7mXkVzAKBggqhkjOPQQDAjCBjjELMAkGA1UEBhMCVVMx
959 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
960 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
961 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMDYxMDM0
962 WhcNMjIwNTE5MDYxMDM0WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
963 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
964 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
965 YW5nLWRldkBnbWFpbC5jb20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAARRuzRNIKRK
966 jIktEmXanNmrTR/q/FaHXLhWRZ6nHWe26Fw7Rsrbk+VjGy4vfWtNn7xSFKrOu5ze
967 qxKnmE0h5E480MNgrUiRkaGO2GMJJVmxx20aqkXOk59U8yGA4CghE6MwCgYIKoZI
968 zj0EAwIDZwAwZAIwBZEN8gvmRmfeP/9C1PRLzODIY4JqWub2PLRT4mv9GU+yw3Gr
969 PU9A3CHMdEcdw/MEAjBBO1lId8KOCh9UZunsSMfqXiVurpzmhWd6VYZ/32G+M+Mh
970 3yILeYQzllt/g0rKVRk=
971 -----END CERTIFICATE-----
972 `
973
974
975 var ecdsaSHA384p521CertPem = `
976 -----BEGIN CERTIFICATE-----
977 MIICljCCAfcCCQDhp1AFD/ahKjAKBggqhkjOPQQDAzCBjjELMAkGA1UEBhMCVVMx
978 EzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDAS
979 BgNVBAoMC0dvb2dsZSwgSW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEG
980 CSqGSIb3DQEJARYUZ29sYW5nLWRldkBnbWFpbC5jb20wHhcNMTIwNTIxMTUwNDI5
981 WhcNMjIwNTE5MTUwNDI5WjCBjjELMAkGA1UEBhMCVVMxEzARBgNVBAgMCkNhbGlm
982 b3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxFDASBgNVBAoMC0dvb2dsZSwg
983 SW5jMRcwFQYDVQQDDA53d3cuZ29vZ2xlLmNvbTEjMCEGCSqGSIb3DQEJARYUZ29s
984 YW5nLWRldkBnbWFpbC5jb20wgZswEAYHKoZIzj0CAQYFK4EEACMDgYYABACqx9Rv
985 IssRs1LWYcNN+WffwlHw4Tv3y8/LIAA9MF1ZScIonU9nRMxt4a2uGJVCPDw6JHpz
986 PaYc0E9puLoE9AfKpwFr59Jkot7dBg55SKPEFkddoip/rvmN7NPAWjMBirOwjOkm
987 8FPthvPhGPqsu9AvgVuHu3PosWiHGNrhh379pva8MzAKBggqhkjOPQQDAwOBjAAw
988 gYgCQgEHNmswkUdPpHqrVxp9PvLVl+xxPuHBkT+75z9JizyxtqykHQo9Uh6SWCYH
989 BF9KLolo01wMt8DjoYP5Fb3j5MH7xwJCAbWZzTOp4l4DPkIvAh4LeC4VWbwPPyqh
990 kBg71w/iEcSY3wUKgHGcJJrObZw7wys91I5kENljqw/Samdr3ka+jBJa
991 -----END CERTIFICATE-----
992 `
993
994 var ecdsaTests = []struct {
995 sigAlgo SignatureAlgorithm
996 pemCert string
997 }{
998 {ECDSAWithSHA256, ecdsaSHA256p256CertPem},
999 {ECDSAWithSHA256, ecdsaSHA256p384CertPem},
1000 {ECDSAWithSHA384, ecdsaSHA384p521CertPem},
1001 }
1002
1003 func TestECDSA(t *testing.T) {
1004 for i, test := range ecdsaTests {
1005 pemBlock, _ := pem.Decode([]byte(test.pemCert))
1006 cert, err := ParseCertificate(pemBlock.Bytes)
1007 if err != nil {
1008 t.Errorf("%d: failed to parse certificate: %s", i, err)
1009 continue
1010 }
1011 if sa := cert.SignatureAlgorithm; sa != test.sigAlgo {
1012 t.Errorf("%d: signature algorithm is %v, want %v", i, sa, test.sigAlgo)
1013 }
1014 if parsedKey, ok := cert.PublicKey.(*ecdsa.PublicKey); !ok {
1015 t.Errorf("%d: wanted an ECDSA public key but found: %#v", i, parsedKey)
1016 }
1017 if pka := cert.PublicKeyAlgorithm; pka != ECDSA {
1018 t.Errorf("%d: public key algorithm is %v, want ECDSA", i, pka)
1019 }
1020 if err = cert.CheckSignatureFrom(cert); err != nil {
1021 t.Errorf("%d: certificate verification failed: %s", i, err)
1022 }
1023 }
1024 }
1025
1026
1027 var dsaCertPem = `-----BEGIN CERTIFICATE-----
1028 MIIEDTCCA82gAwIBAgIJALHPghaoxeDhMAkGByqGSM44BAMweTELMAkGA1UEBhMC
1029 VVMxCzAJBgNVBAgTAk5DMQ8wDQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2ds
1030 ZSwgSW5jMRIwEAYDVQQDEwlKb24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFs
1031 bGllQGdvb2dsZS5jb20wHhcNMTEwNTE0MDMwMTQ1WhcNMTEwNjEzMDMwMTQ1WjB5
1032 MQswCQYDVQQGEwJVUzELMAkGA1UECBMCTkMxDzANBgNVBAcTBk5ld3RvbjEUMBIG
1033 A1UEChMLR29vZ2xlLCBJbmMxEjAQBgNVBAMTCUpvbiBBbGxpZTEiMCAGCSqGSIb3
1034 DQEJARYTam9uYWxsaWVAZ29vZ2xlLmNvbTCCAbcwggEsBgcqhkjOOAQBMIIBHwKB
1035 gQC8hLUnQ7FpFYu4WXTj6DKvXvz8QrJkNJCVMTpKAT7uBpobk32S5RrPKXocd4gN
1036 8lyGB9ggS03EVlEwXvSmO0DH2MQtke2jl9j1HLydClMf4sbx5V6TV9IFw505U1iW
1037 jL7awRMgxge+FsudtJK254FjMFo03ZnOQ8ZJJ9E6AEDrlwIVAJpnBn9moyP11Ox5
1038 Asc/5dnjb6dPAoGBAJFHd4KVv1iTVCvEG6gGiYop5DJh28hUQcN9kul+2A0yPUSC
1039 X93oN00P8Vh3eYgSaCWZsha7zDG53MrVJ0Zf6v/X/CoZNhLldeNOepivTRAzn+Rz
1040 kKUYy5l1sxYLHQKF0UGNCXfFKZT0PCmgU+PWhYNBBMn6/cIh44vp85ideo5CA4GE
1041 AAKBgFmifCafzeRaohYKXJgMGSEaggCVCRq5xdyDCat+wbOkjC4mfG01/um3G8u5
1042 LxasjlWRKTR/tcAL7t0QuokVyQaYdVypZXNaMtx1db7YBuHjj3aP+8JOQRI9xz8c
1043 bp5NDJ5pISiFOv4p3GZfqZPcqckDt78AtkQrmnal2txhhjF6o4HeMIHbMB0GA1Ud
1044 DgQWBBQVyyr7hO11ZFFpWX50298Sa3V+rzCBqwYDVR0jBIGjMIGggBQVyyr7hO11
1045 ZFFpWX50298Sa3V+r6F9pHsweTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk5DMQ8w
1046 DQYDVQQHEwZOZXd0b24xFDASBgNVBAoTC0dvb2dsZSwgSW5jMRIwEAYDVQQDEwlK
1047 b24gQWxsaWUxIjAgBgkqhkiG9w0BCQEWE2pvbmFsbGllQGdvb2dsZS5jb22CCQCx
1048 z4IWqMXg4TAMBgNVHRMEBTADAQH/MAkGByqGSM44BAMDLwAwLAIUPtn/5j8Q1jJI
1049 7ggOIsgrhgUdjGQCFCsmDq1H11q9+9Wp9IMeGrTSKHIM
1050 -----END CERTIFICATE-----
1051 `
1052
1053 func TestParseCertificateWithDsaPublicKey(t *testing.T) {
1054 expectedKey := &dsa.PublicKey{
1055 Parameters: dsa.Parameters{
1056 P: bigFromHexString("00BC84B52743B169158BB85974E3E832AF5EFCFC42B264349095313A4A013EEE069A1B937D92E51ACF297A1C77880DF25C8607D8204B4DC45651305EF4A63B40C7D8C42D91EDA397D8F51CBC9D0A531FE2C6F1E55E9357D205C39D395358968CBEDAC11320C607BE16CB9DB492B6E78163305A34DD99CE43C64927D13A0040EB97"),
1057 Q: bigFromHexString("009A67067F66A323F5D4EC7902C73FE5D9E36FA74F"),
1058 G: bigFromHexString("009147778295BF5893542BC41BA806898A29E43261DBC85441C37D92E97ED80D323D44825FDDE8374D0FF15877798812682599B216BBCC31B9DCCAD527465FEAFFD7FC2A193612E575E34E7A98AF4D10339FE47390A518CB9975B3160B1D0285D1418D0977C52994F43C29A053E3D685834104C9FAFDC221E38BE9F3989D7A8E42"),
1059 },
1060 Y: bigFromHexString("59A27C269FCDE45AA2160A5C980C19211A820095091AB9C5DC8309AB7EC1B3A48C2E267C6D35FEE9B71BCBB92F16AC8E559129347FB5C00BEEDD10BA8915C90698755CA965735A32DC7575BED806E1E38F768FFBC24E41123DC73F1C6E9E4D0C9E692128853AFE29DC665FA993DCA9C903B7BF00B6442B9A76A5DADC6186317A"),
1061 }
1062 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1063 cert, err := ParseCertificate(pemBlock.Bytes)
1064 if err != nil {
1065 t.Fatalf("Failed to parse certificate: %s", err)
1066 }
1067 if cert.PublicKeyAlgorithm != DSA {
1068 t.Errorf("Parsed key algorithm was not DSA")
1069 }
1070 parsedKey, ok := cert.PublicKey.(*dsa.PublicKey)
1071 if !ok {
1072 t.Fatalf("Parsed key was not a DSA key: %s", err)
1073 }
1074 if expectedKey.Y.Cmp(parsedKey.Y) != 0 ||
1075 expectedKey.P.Cmp(parsedKey.P) != 0 ||
1076 expectedKey.Q.Cmp(parsedKey.Q) != 0 ||
1077 expectedKey.G.Cmp(parsedKey.G) != 0 {
1078 t.Fatal("Parsed key differs from expected key")
1079 }
1080 }
1081
1082 func TestParseCertificateWithDSASignatureAlgorithm(t *testing.T) {
1083 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1084 cert, err := ParseCertificate(pemBlock.Bytes)
1085 if err != nil {
1086 t.Fatalf("Failed to parse certificate: %s", err)
1087 }
1088 if cert.SignatureAlgorithm != DSAWithSHA1 {
1089 t.Errorf("Parsed signature algorithm was not DSAWithSHA1")
1090 }
1091 }
1092
1093 func TestVerifyCertificateWithDSASignature(t *testing.T) {
1094 pemBlock, _ := pem.Decode([]byte(dsaCertPem))
1095 cert, err := ParseCertificate(pemBlock.Bytes)
1096 if err != nil {
1097 t.Fatalf("Failed to parse certificate: %s", err)
1098 }
1099
1100 if err = cert.CheckSignatureFrom(cert); err == nil {
1101 t.Fatalf("Expected error verifying DSA certificate")
1102 }
1103 }
1104
1105 var rsaPSSSelfSignedPEM = `-----BEGIN CERTIFICATE-----
1106 MIIGHjCCA9KgAwIBAgIBdjBBBgkqhkiG9w0BAQowNKAPMA0GCWCGSAFlAwQCAQUA
1107 oRwwGgYJKoZIhvcNAQEIMA0GCWCGSAFlAwQCAQUAogMCASAwbjELMAkGA1UEBhMC
1108 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1109 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1110 U0NBMB4XDTEzMDUxNDA1MDczMFoXDTI5MDUxNDA1MDczMFowbjELMAkGA1UEBhMC
1111 SlAxHDAaBgNVBAoME0phcGFuZXNlIEdvdmVybm1lbnQxKDAmBgNVBAsMH1RoZSBN
1112 aW5pc3RyeSBvZiBGb3JlaWduIEFmZmFpcnMxFzAVBgNVBAMMDmUtcGFzc3BvcnRD
1113 U0NBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAx/E3WRVxcCDXhoST
1114 8nVSLjW6hwM4Ni99AegWzcGtfGFo0zjFA1Cl5URqxauvYu3gQgQHBGA1CovWeGrl
1115 yVSRzOL1imcYsSgLOcnhVYB3Xcrof4ebv9+W+TwNdc9YzAwcj8rNd5nP6PKXIQ+W
1116 PCkEOXdyb80YEnxuT+NPjkVfFSPBS7QYZpvT2fwy4fZ0eh48253+7VleSmTO0mqj
1117 7TlzaG56q150SLZbhpOd8jD8bM/wACnLCPR88wj4hCcDLEwoLyY85HJCTIQQMnoT
1118 UpqyzEeupPREIm6yi4d8C9YqIWFn2YTnRcWcmMaJLzq+kYwKoudfnoC6RW2vzZXn
1119 defQs68IZuK+uALu9G3JWGPgu0CQGj0JNDT8zkiDV++4eNrZczWKjr1YnAL+VbLK
1120 bApwL2u19l2WDpfUklimhWfraqHNIUKU6CjZOG31RzXcplIj0mtqs0E1r7r357Es
1121 yFoB28iNo4cz1lCulh0E4WJzWzLZcT4ZspHHRCFyvYnXoibXEV1nULq8ByKKG0FS
1122 7nn4SseoV+8PvjHLPhmHGMvi4mxkbcXdV3wthHT1/HXdqY84A4xHWt1+sB/TpTek
1123 tDhFlEfcUygvTu58UtOnysomOVVeERmi7WSujfzKsGJAJYeetiA5R+zX7BxeyFVE
1124 qW0zh1Tkwh0S8LRe5diJh4+6FG0CAwEAAaNfMF0wHQYDVR0OBBYEFD+oahaikBTV
1125 Urk81Uz7kRS2sx0aMA4GA1UdDwEB/wQEAwIBBjAYBgNVHSAEETAPMA0GCyqDCIaP
1126 fgYFAQEBMBIGA1UdEwEB/wQIMAYBAf8CAQAwQQYJKoZIhvcNAQEKMDSgDzANBglg
1127 hkgBZQMEAgEFAKEcMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAKIDAgEgA4IC
1128 AQAaxWBQn5CZuNBfyzL57mn31ukHUFd61OMROSX3PT7oCv1Dy+C2AdRlxOcbN3/n
1129 li0yfXUUqiY3COlLAHKRlkr97mLtxEFoJ0R8nVN2IQdChNQM/XSCzSGyY8NVa1OR
1130 TTpEWLnexJ9kvIdbFXwUqdTnAkOI0m7Rg8j+E+lRRHg1xDAA1qKttrtUj3HRQWf3
1131 kNTu628SiMvap6aIdncburaK56MP7gkR1Wr/ichOfjIA3Jgw2PapI31i0GqeMd66
1132 U1+lC9FeyMAJpuSVp/SoiYzYo+79SFcVoM2yw3yAnIKg7q9GLYYqzncdykT6C06c
1133 15gWFI6igmReAsD9ITSvYh0jLrLHfEYcPTOD3ZXJ4EwwHtWSoO3gq1EAtOYKu/Lv
1134 C8zfBsZcFdsHvsSiYeBU8Oioe42mguky3Ax9O7D805Ek6R68ra07MW/G4YxvV7IN
1135 2BfSaYy8MX9IG0ZMIOcoc0FeF5xkFmJ7kdrlTaJzC0IE9PNxNaH5QnOAFB8vxHcO
1136 FioUxb6UKdHcPLR1VZtAdTdTMjSJxUqD/35Cdfqs7oDJXz8f6TXO2Tdy6G++YUs9
1137 qsGZWxzFvvkXUkQSl0dQQ5jO/FtUJcAVXVVp20LxPemfatAHpW31WdJYeWSQWky2
1138 +f9b5TXKXVyjlUL7uHxowWrT2AtTchDH22wTEtqLEF9Z3Q==
1139 -----END CERTIFICATE-----`
1140
1141
1142
1143
1144
1145 var rsaPSSSelfSignedOpenSSL110PEM = `-----BEGIN CERTIFICATE-----
1146 MIIDwDCCAnigAwIBAgIJAM9LAMHTE5xpMD0GCSqGSIb3DQEBCjAwoA0wCwYJYIZI
1147 AWUDBAIBoRowGAYJKoZIhvcNAQEIMAsGCWCGSAFlAwQCAaIDAgEgMEUxCzAJBgNV
1148 BAYTAlVTMQswCQYDVQQIDAJDQTELMAkGA1UEBwwCU0YxDTALBgNVBAoMBFRlc3Qx
1149 DTALBgNVBAMMBFRlc3QwHhcNMTgwMjIyMjIxMzE4WhcNMjgwMjIwMjIxMzE4WjBF
1150 MQswCQYDVQQGEwJVUzELMAkGA1UECAwCQ0ExCzAJBgNVBAcMAlNGMQ0wCwYDVQQK
1151 DARUZXN0MQ0wCwYDVQQDDARUZXN0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
1152 CgKCAQEA4Zrsydod+GoTAJLLutWNF87qhhVPBsK1zB1Gj+NAAe4+VbrZ1E41H1wp
1153 qITx7DA8DRtJEf+NqrTAnAdZWBG/tAOA5LfXVax0ZSQtLnYLSeylLoMtDyY3eFAj
1154 TmuTOoyVy6raktowCnHCh01NsstqqTfrx6SbmzOmDmKTkq/I+7K0MCVsn41xRDVM
1155 +ShD0WGFGioEGoiWnFSWupxJDA3Q6jIDEygVwNKHwnhv/2NgG2kqZzrZSQA67en0
1156 iKAXtoDNPpmyD5oS9YbEJ+2Nbm7oLeON30i6kZvXKIzJXx+UWViazHZqnsi5rQ8G
1157 RHF+iVFXsqd0MzDKmkKOT5FDhrsbKQIDAQABo1MwUTAdBgNVHQ4EFgQU9uFY/nlg
1158 gLH00NBnr/o7QvpN9ugwHwYDVR0jBBgwFoAU9uFY/nlggLH00NBnr/o7QvpN9ugw
1159 DwYDVR0TAQH/BAUwAwEB/zA9BgkqhkiG9w0BAQowMKANMAsGCWCGSAFlAwQCAaEa
1160 MBgGCSqGSIb3DQEBCDALBglghkgBZQMEAgGiAwIBIAOCAQEAhJzpwxBNGKvzKWDe
1161 WLqv6RMrl/q4GcH3b7M9wjxe0yOm4F+Tb2zJ7re4h+D39YkJf8cX1NV9UQVu6z4s
1162 Fvo2kmlR0qZOXAg5augmCQ1xS0WHFoF6B52anNzHkZQbAIYJ3kGoFsUHzs7Sz7F/
1163 656FsRpHA9UzJQ3avPPMrA4Y4aoJ7ANJ6XIwTrdWrhULOVuvYRLCl4CdTVztVFX6
1164 wxX8nS1ISYd8jXPUMgsBKVbWufvLoIymMJW8CZbpprVZel5zFn0bmPrON8IHS30w
1165 Gs+ITJjKEnZgXmAQ25SLKVzkZkBcGANs2GsdHNJ370Puisy0FIPD2NXR5uASAf7J
1166 +w9fjQ==
1167 -----END CERTIFICATE-----`
1168
1169 func TestRSAPSSSelfSigned(t *testing.T) {
1170 for i, pemBlock := range []string{rsaPSSSelfSignedPEM, rsaPSSSelfSignedOpenSSL110PEM} {
1171 der, _ := pem.Decode([]byte(pemBlock))
1172 if der == nil {
1173 t.Errorf("#%d: failed to find PEM block", i)
1174 continue
1175 }
1176
1177 cert, err := ParseCertificate(der.Bytes)
1178 if err != nil {
1179 t.Errorf("#%d: failed to parse: %s", i, err)
1180 continue
1181 }
1182
1183 if err = cert.CheckSignatureFrom(cert); err != nil {
1184 t.Errorf("#%d: signature check failed: %s", i, err)
1185 continue
1186 }
1187 }
1188 }
1189
1190 const ed25519Certificate = `
1191 Certificate:
1192 Data:
1193 Version: 3 (0x2)
1194 Serial Number:
1195 0c:83:d8:21:2b:82:cb:23:98:23:63:e2:f7:97:8a:43:5b:f3:bd:92
1196 Signature Algorithm: ED25519
1197 Issuer: CN = Ed25519 test certificate
1198 Validity
1199 Not Before: May 6 17:27:16 2019 GMT
1200 Not After : Jun 5 17:27:16 2019 GMT
1201 Subject: CN = Ed25519 test certificate
1202 Subject Public Key Info:
1203 Public Key Algorithm: ED25519
1204 ED25519 Public-Key:
1205 pub:
1206 36:29:c5:6c:0d:4f:14:6c:81:d0:ff:75:d3:6a:70:
1207 5f:69:cd:0f:4d:66:d5:da:98:7e:82:49:89:a3:8a:
1208 3c:fa
1209 X509v3 extensions:
1210 X509v3 Subject Key Identifier:
1211 09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1212 X509v3 Authority Key Identifier:
1213 keyid:09:3B:3A:9D:4A:29:D8:95:FF:68:BE:7B:43:54:72:E0:AD:A2:E3:AE
1214
1215 X509v3 Basic Constraints: critical
1216 CA:TRUE
1217 Signature Algorithm: ED25519
1218 53:a5:58:1c:2c:3b:2a:9e:ac:9d:4e:a5:1d:5f:5d:6d:a6:b5:
1219 08:de:12:82:f3:97:20:ae:fa:d8:98:f4:1a:83:32:6b:91:f5:
1220 24:1d:c4:20:7f:2c:e2:4d:da:13:3b:6d:54:1a:d2:a8:28:dc:
1221 60:b9:d4:f4:78:4b:3c:1c:91:00
1222 -----BEGIN CERTIFICATE-----
1223 MIIBWzCCAQ2gAwIBAgIUDIPYISuCyyOYI2Pi95eKQ1vzvZIwBQYDK2VwMCMxITAf
1224 BgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZpY2F0ZTAeFw0xOTA1MDYxNzI3MTZa
1225 Fw0xOTA2MDUxNzI3MTZaMCMxITAfBgNVBAMMGEVkMjU1MTkgdGVzdCBjZXJ0aWZp
1226 Y2F0ZTAqMAUGAytlcAMhADYpxWwNTxRsgdD/ddNqcF9pzQ9NZtXamH6CSYmjijz6
1227 o1MwUTAdBgNVHQ4EFgQUCTs6nUop2JX/aL57Q1Ry4K2i464wHwYDVR0jBBgwFoAU
1228 CTs6nUop2JX/aL57Q1Ry4K2i464wDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBT
1229 pVgcLDsqnqydTqUdX11tprUI3hKC85cgrvrYmPQagzJrkfUkHcQgfyziTdoTO21U
1230 GtKoKNxgudT0eEs8HJEA
1231 -----END CERTIFICATE-----`
1232
1233 func TestEd25519SelfSigned(t *testing.T) {
1234 der, _ := pem.Decode([]byte(ed25519Certificate))
1235 if der == nil {
1236 t.Fatalf("Failed to find PEM block")
1237 }
1238
1239 cert, err := ParseCertificate(der.Bytes)
1240 if err != nil {
1241 t.Fatalf("Failed to parse: %s", err)
1242 }
1243
1244 if cert.PublicKeyAlgorithm != Ed25519 {
1245 t.Fatalf("Parsed key algorithm was not Ed25519")
1246 }
1247 parsedKey, ok := cert.PublicKey.(ed25519.PublicKey)
1248 if !ok {
1249 t.Fatalf("Parsed key was not an Ed25519 key: %s", err)
1250 }
1251 if len(parsedKey) != ed25519.PublicKeySize {
1252 t.Fatalf("Invalid Ed25519 key")
1253 }
1254
1255 if err = cert.CheckSignatureFrom(cert); err != nil {
1256 t.Fatalf("Signature check failed: %s", err)
1257 }
1258 }
1259
1260 const pemCertificate = `-----BEGIN CERTIFICATE-----
1261 MIIDATCCAemgAwIBAgIRAKQkkrFx1T/dgB/Go/xBM5swDQYJKoZIhvcNAQELBQAw
1262 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xNjA4MTcyMDM2MDdaFw0xNzA4MTcyMDM2
1263 MDdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
1264 ggEKAoIBAQDAoJtjG7M6InsWwIo+l3qq9u+g2rKFXNu9/mZ24XQ8XhV6PUR+5HQ4
1265 jUFWC58ExYhottqK5zQtKGkw5NuhjowFUgWB/VlNGAUBHtJcWR/062wYrHBYRxJH
1266 qVXOpYKbIWwFKoXu3hcpg/CkdOlDWGKoZKBCwQwUBhWE7MDhpVdQ+ZljUJWL+FlK
1267 yQK5iRsJd5TGJ6VUzLzdT4fmN2DzeK6GLeyMpVpU3sWV90JJbxWQ4YrzkKzYhMmB
1268 EcpXTG2wm+ujiHU/k2p8zlf8Sm7VBM/scmnMFt0ynNXop4FWvJzEm1G0xD2t+e2I
1269 5Utr04dOZPCgkm++QJgYhtZvgW7ZZiGTAgMBAAGjUjBQMA4GA1UdDwEB/wQEAwIF
1270 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBsGA1UdEQQUMBKC
1271 EHRlc3QuZXhhbXBsZS5jb20wDQYJKoZIhvcNAQELBQADggEBADpqKQxrthH5InC7
1272 X96UP0OJCu/lLEMkrjoEWYIQaFl7uLPxKH5AmQPH4lYwF7u7gksR7owVG9QU9fs6
1273 1fK7II9CVgCd/4tZ0zm98FmU4D0lHGtPARrrzoZaqVZcAvRnFTlPX5pFkPhVjjai
1274 /mkxX9LpD8oK1445DFHxK5UjLMmPIIWd8EOi+v5a+hgGwnJpoW7hntSl8kHMtTmy
1275 fnnktsblSUV4lRCit0ymC7Ojhe+gzCCwkgs5kDzVVag+tnl/0e2DloIjASwOhpbH
1276 KVcg7fBd484ht/sS+l0dsB4KDOSpd8JzVDMF8OZqlaydizoJO0yWr9GbCN1+OKq5
1277 EhLrEqU=
1278 -----END CERTIFICATE-----`
1279
1280 const ed25519CRLCertificate = `
1281 Certificate:
1282 Data:
1283 Version: 3 (0x2)
1284 Serial Number:
1285 7a:07:a0:9d:14:04:16:fc:1f:d8:e5:fe:d1:1d:1f:8d
1286 Signature Algorithm: ED25519
1287 Issuer: CN = Ed25519 CRL Test CA
1288 Validity
1289 Not Before: Oct 30 01:20:20 2019 GMT
1290 Not After : Dec 31 23:59:59 9999 GMT
1291 Subject: CN = Ed25519 CRL Test CA
1292 Subject Public Key Info:
1293 Public Key Algorithm: ED25519
1294 ED25519 Public-Key:
1295 pub:
1296 95:73:3b:b0:06:2a:31:5a:b6:a7:a6:6e:ef:71:df:
1297 ac:6f:6b:39:03:85:5e:63:4b:f8:a6:0f:68:c6:6f:
1298 75:21
1299 X509v3 extensions:
1300 X509v3 Key Usage: critical
1301 Digital Signature, Certificate Sign, CRL Sign
1302 X509v3 Extended Key Usage:
1303 TLS Web Client Authentication, TLS Web Server Authentication, OCSP Signing
1304 X509v3 Basic Constraints: critical
1305 CA:TRUE
1306 X509v3 Subject Key Identifier:
1307 B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1308 X509v3 Authority Key Identifier:
1309 keyid:B7:17:DA:16:EA:C5:ED:1F:18:49:44:D3:D2:E3:A0:35:0A:81:93:60
1310
1311 Signature Algorithm: ED25519
1312 fc:3e:14:ea:bb:70:c2:6f:38:34:70:bc:c8:a7:f4:7c:0d:1e:
1313 28:d7:2a:9f:22:8a:45:e8:02:76:84:1e:2d:64:2d:1e:09:b5:
1314 29:71:1f:95:8a:4e:79:87:51:60:9a:e7:86:40:f6:60:c7:d1:
1315 ee:68:76:17:1d:90:cc:92:93:07
1316 -----BEGIN CERTIFICATE-----
1317 MIIBijCCATygAwIBAgIQegegnRQEFvwf2OX+0R0fjTAFBgMrZXAwHjEcMBoGA1UE
1318 AxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAgFw0xOTEwMzAwMTIwMjBaGA85OTk5MTIz
1319 MTIzNTk1OVowHjEcMBoGA1UEAxMTRWQyNTUxOSBDUkwgVGVzdCBDQTAqMAUGAytl
1320 cAMhAJVzO7AGKjFatqembu9x36xvazkDhV5jS/imD2jGb3Uho4GNMIGKMA4GA1Ud
1321 DwEB/wQEAwIBhjAnBgNVHSUEIDAeBggrBgEFBQcDAgYIKwYBBQUHAwEGCCsGAQUF
1322 BwMJMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLcX2hbqxe0fGElE09LjoDUK
1323 gZNgMB8GA1UdIwQYMBaAFLcX2hbqxe0fGElE09LjoDUKgZNgMAUGAytlcANBAPw+
1324 FOq7cMJvODRwvMin9HwNHijXKp8iikXoAnaEHi1kLR4JtSlxH5WKTnmHUWCa54ZA
1325 9mDH0e5odhcdkMySkwc=
1326 -----END CERTIFICATE-----`
1327
1328 var ed25519CRLKey = testingKey(`-----BEGIN TEST KEY-----
1329 MC4CAQAwBQYDK2VwBCIEINdKh2096vUBYu4EIFpjShsUSh3vimKya1sQ1YTT4RZG
1330 -----END TEST KEY-----`)
1331
1332 func TestCRLCreation(t *testing.T) {
1333 block, _ := pem.Decode([]byte(pemPrivateKey))
1334 privRSA, _ := ParsePKCS1PrivateKey(block.Bytes)
1335 block, _ = pem.Decode([]byte(pemCertificate))
1336 certRSA, _ := ParseCertificate(block.Bytes)
1337
1338 block, _ = pem.Decode([]byte(ed25519CRLKey))
1339 privEd25519, _ := ParsePKCS8PrivateKey(block.Bytes)
1340 block, _ = pem.Decode([]byte(ed25519CRLCertificate))
1341 certEd25519, _ := ParseCertificate(block.Bytes)
1342
1343 tests := []struct {
1344 name string
1345 priv any
1346 cert *Certificate
1347 }{
1348 {"RSA CA", privRSA, certRSA},
1349 {"Ed25519 CA", privEd25519, certEd25519},
1350 }
1351
1352 loc := time.FixedZone("Oz/Atlantis", int((2 * time.Hour).Seconds()))
1353
1354 now := time.Unix(1000, 0).In(loc)
1355 nowUTC := now.UTC()
1356 expiry := time.Unix(10000, 0)
1357
1358 revokedCerts := []pkix.RevokedCertificate{
1359 {
1360 SerialNumber: big.NewInt(1),
1361 RevocationTime: nowUTC,
1362 },
1363 {
1364 SerialNumber: big.NewInt(42),
1365
1366 RevocationTime: now,
1367 },
1368 }
1369 expectedCerts := []pkix.RevokedCertificate{
1370 {
1371 SerialNumber: big.NewInt(1),
1372 RevocationTime: nowUTC,
1373 },
1374 {
1375 SerialNumber: big.NewInt(42),
1376 RevocationTime: nowUTC,
1377 },
1378 }
1379
1380 for _, test := range tests {
1381 crlBytes, err := test.cert.CreateCRL(rand.Reader, test.priv, revokedCerts, now, expiry)
1382 if err != nil {
1383 t.Errorf("%s: error creating CRL: %s", test.name, err)
1384 continue
1385 }
1386
1387 parsedCRL, err := ParseDERCRL(crlBytes)
1388 if err != nil {
1389 t.Errorf("%s: error reparsing CRL: %s", test.name, err)
1390 continue
1391 }
1392 if !reflect.DeepEqual(parsedCRL.TBSCertList.RevokedCertificates, expectedCerts) {
1393 t.Errorf("%s: RevokedCertificates mismatch: got %v; want %v.", test.name,
1394 parsedCRL.TBSCertList.RevokedCertificates, expectedCerts)
1395 }
1396 }
1397 }
1398
1399 func fromBase64(in string) []byte {
1400 out := make([]byte, base64.StdEncoding.DecodedLen(len(in)))
1401 n, err := base64.StdEncoding.Decode(out, []byte(in))
1402 if err != nil {
1403 panic("failed to base64 decode")
1404 }
1405 return out[:n]
1406 }
1407
1408 func TestParseDERCRL(t *testing.T) {
1409 derBytes := fromBase64(derCRLBase64)
1410 certList, err := ParseDERCRL(derBytes)
1411 if err != nil {
1412 t.Errorf("error parsing: %s", err)
1413 return
1414 }
1415 numCerts := len(certList.TBSCertList.RevokedCertificates)
1416 expected := 88
1417 if numCerts != expected {
1418 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1419 }
1420
1421 if certList.HasExpired(time.Unix(1302517272, 0)) {
1422 t.Errorf("CRL has expired (but shouldn't have)")
1423 }
1424
1425
1426 }
1427
1428 func TestCRLWithoutExpiry(t *testing.T) {
1429 derBytes := fromBase64("MIHYMIGZMAkGByqGSM44BAMwEjEQMA4GA1UEAxMHQ2FybERTUxcNOTkwODI3MDcwMDAwWjBpMBMCAgDIFw05OTA4MjIwNzAwMDBaMBMCAgDJFw05OTA4MjIwNzAwMDBaMBMCAgDTFw05OTA4MjIwNzAwMDBaMBMCAgDSFw05OTA4MjIwNzAwMDBaMBMCAgDUFw05OTA4MjQwNzAwMDBaMAkGByqGSM44BAMDLwAwLAIUfmVSdjP+NHMX0feW+aDU2G1cfT0CFAJ6W7fVWxjBz4fvftok8yqDnDWh")
1430 certList, err := ParseDERCRL(derBytes)
1431 if err != nil {
1432 t.Fatal(err)
1433 }
1434 if !certList.TBSCertList.NextUpdate.IsZero() {
1435 t.Errorf("NextUpdate is not the zero value")
1436 }
1437 }
1438
1439 func TestParsePEMCRL(t *testing.T) {
1440 pemBytes := fromBase64(pemCRLBase64)
1441 certList, err := ParseCRL(pemBytes)
1442 if err != nil {
1443 t.Errorf("error parsing: %s", err)
1444 return
1445 }
1446 numCerts := len(certList.TBSCertList.RevokedCertificates)
1447 expected := 2
1448 if numCerts != expected {
1449 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
1450 }
1451
1452 if certList.HasExpired(time.Unix(1302517272, 0)) {
1453 t.Errorf("CRL has expired (but shouldn't have)")
1454 }
1455
1456
1457 }
1458
1459 func TestImports(t *testing.T) {
1460 if testing.Short() {
1461 t.Skip("skipping in -short mode")
1462 }
1463 testenv.MustHaveGoRun(t)
1464
1465 if out, err := exec.Command(testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil {
1466 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out)
1467 }
1468 }
1469
1470 const derCRLBase64 = "MIINqzCCDJMCAQEwDQYJKoZIhvcNAQEFBQAwVjEZMBcGA1UEAxMQUEtJIEZJTk1FQ0NBTklDQTEVMBMGA1UEChMMRklOTUVDQ0FOSUNBMRUwEwYDVQQLEwxGSU5NRUNDQU5JQ0ExCzAJBgNVBAYTAklUFw0xMTA1MDQxNjU3NDJaFw0xMTA1MDQyMDU3NDJaMIIMBzAhAg4Ze1od49Lt1qIXBydAzhcNMDkwNzE2MDg0MzIyWjAAMCECDl0HSL9bcZ1Ci/UHJ0DPFw0wOTA3MTYwODQzMTNaMAAwIQIOESB9tVAmX3cY7QcnQNAXDTA5MDcxNjA4NDUyMlowADAhAg4S1tGAQ3mHt8uVBydA1RcNMDkwODA0MTUyNTIyWjAAMCECDlQ249Y7vtC25ScHJ0DWFw0wOTA4MDQxNTI1MzdaMAAwIQIOISMop3NkA4PfYwcnQNkXDTA5MDgwNDExMDAzNFowADAhAg56/BMoS29KEShTBydA2hcNMDkwODA0MTEwMTAzWjAAMCECDnBp/22HPH5CSWoHJ0DbFw0wOTA4MDQxMDU0NDlaMAAwIQIOV9IP+8CD8bK+XAcnQNwXDTA5MDgwNDEwNTcxN1owADAhAg4v5aRz0IxWqYiXBydA3RcNMDkwODA0MTA1NzQ1WjAAMCECDlOU34VzvZAybQwHJ0DeFw0wOTA4MDQxMDU4MjFaMAAwIAINO4CD9lluIxcwBydBAxcNMDkwNzIyMTUzMTU5WjAAMCECDgOllfO8Y1QA7/wHJ0ExFw0wOTA3MjQxMTQxNDNaMAAwIQIOJBX7jbiCdRdyjgcnQUQXDTA5MDkxNjA5MzAwOFowADAhAg5iYSAgmDrlH/RZBydBRRcNMDkwOTE2MDkzMDE3WjAAMCECDmu6k6srP3jcMaQHJ0FRFw0wOTA4MDQxMDU2NDBaMAAwIQIOX8aHlO0V+WVH4QcnQVMXDTA5MDgwNDEwNTcyOVowADAhAg5flK2rg3NnsRgDBydBzhcNMTEwMjAxMTUzMzQ2WjAAMCECDg35yJDL1jOPTgoHJ0HPFw0xMTAyMDExNTM0MjZaMAAwIQIOMyFJ6+e9iiGVBQcnQdAXDTA5MDkxODEzMjAwNVowADAhAg5Emb/Oykucmn8fBydB1xcNMDkwOTIxMTAxMDQ3WjAAMCECDjQKCncV+MnUavMHJ0HaFw0wOTA5MjIwODE1MjZaMAAwIQIOaxiFUt3dpd+tPwcnQfQXDTEwMDYxODA4NDI1MVowADAhAg5G7P8nO0tkrMt7BydB9RcNMTAwNjE4MDg0MjMwWjAAMCECDmTCC3SXhmDRst4HJ0H2Fw0wOTA5MjgxMjA3MjBaMAAwIQIOHoGhUr/pRwzTKgcnQfcXDTA5MDkyODEyMDcyNFowADAhAg50wrcrCiw8mQmPBydCBBcNMTAwMjE2MTMwMTA2WjAAMCECDifWmkvwyhEqwEcHJ0IFFw0xMDAyMTYxMzAxMjBaMAAwIQIOfgPmlW9fg+osNgcnQhwXDTEwMDQxMzA5NTIwMFowADAhAg4YHAGuA6LgCk7tBydCHRcNMTAwNDEzMDk1MTM4WjAAMCECDi1zH1bxkNJhokAHJ0IsFw0xMDA0MTMwOTU5MzBaMAAwIQIOMipNccsb/wo2fwcnQi0XDTEwMDQxMzA5NTkwMFowADAhAg46lCmvPl4GpP6ABydCShcNMTAwMTE5MDk1MjE3WjAAMCECDjaTcaj+wBpcGAsHJ0JLFw0xMDAxMTkwOTUyMzRaMAAwIQIOOMC13EOrBuxIOQcnQloXDTEwMDIwMTA5NDcwNVowADAhAg5KmZl+krz4RsmrBydCWxcNMTAwMjAxMDk0NjQwWjAAMCECDmLG3zQJ/fzdSsUHJ0JiFw0xMDAzMDEwOTUxNDBaMAAwIQIOP39ksgHdojf4owcnQmMXDTEwMDMwMTA5NTExN1owADAhAg4LDQzvWNRlD6v9BydCZBcNMTAwMzAxMDk0NjIyWjAAMCECDkmNfeclaFhIaaUHJ0JlFw0xMDAzMDEwOTQ2MDVaMAAwIQIOT/qWWfpH/m8NTwcnQpQXDTEwMDUxMTA5MTgyMVowADAhAg5m/ksYxvCEgJSvBydClRcNMTAwNTExMDkxODAxWjAAMCECDgvf3Ohq6JOPU9AHJ0KWFw0xMDA1MTEwOTIxMjNaMAAwIQIOKSPas10z4jNVIQcnQpcXDTEwMDUxMTA5MjEwMlowADAhAg4mCWmhoZ3lyKCDBydCohcNMTEwNDI4MTEwMjI1WjAAMCECDkeiyRsBMK0Gvr4HJ0KjFw0xMTA0MjgxMTAyMDdaMAAwIQIOa09b/nH2+55SSwcnQq4XDTExMDQwMTA4Mjk0NlowADAhAg5O7M7iq7gGplr1BydCrxcNMTEwNDAxMDgzMDE3WjAAMCECDjlT6mJxUjTvyogHJ0K1Fw0xMTAxMjcxNTQ4NTJaMAAwIQIODS/l4UUFLe21NAcnQrYXDTExMDEyNzE1NDgyOFowADAhAg5lPRA0XdOUF6lSBydDHhcNMTEwMTI4MTQzNTA1WjAAMCECDixKX4fFGGpENwgHJ0MfFw0xMTAxMjgxNDM1MzBaMAAwIQIORNBkqsPnpKTtbAcnQ08XDTEwMDkwOTA4NDg0MlowADAhAg5QL+EMM3lohedEBydDUBcNMTAwOTA5MDg0ODE5WjAAMCECDlhDnHK+HiTRAXcHJ0NUFw0xMDEwMTkxNjIxNDBaMAAwIQIOdBFqAzq/INz53gcnQ1UXDTEwMTAxOTE2MjA0NFowADAhAg4OjR7s8MgKles1BydDWhcNMTEwMTI3MTY1MzM2WjAAMCECDmfR/elHee+d0SoHJ0NbFw0xMTAxMjcxNjUzNTZaMAAwIQIOBTKv2ui+KFMI+wcnQ5YXDTEwMDkxNTEwMjE1N1owADAhAg49F3c/GSah+oRUBydDmxcNMTEwMTI3MTczMjMzWjAAMCECDggv4I61WwpKFMMHJ0OcFw0xMTAxMjcxNzMyNTVaMAAwIQIOXx/Y8sEvwS10LAcnQ6UXDTExMDEyODExMjkzN1owADAhAg5LSLbnVrSKaw/9BydDphcNMTEwMTI4MTEyOTIwWjAAMCECDmFFoCuhKUeACQQHJ0PfFw0xMTAxMTExMDE3MzdaMAAwIQIOQTDdFh2fSPF6AAcnQ+AXDTExMDExMTEwMTcxMFowADAhAg5B8AOXX61FpvbbBydD5RcNMTAxMDA2MTAxNDM2WjAAMCECDh41P2Gmi7PkwI4HJ0PmFw0xMDEwMDYxMDE2MjVaMAAwIQIOWUHGLQCd+Ale9gcnQ/0XDTExMDUwMjA3NTYxMFowADAhAg5Z2c9AYkikmgWOBydD/hcNMTEwNTAyMDc1NjM0WjAAMCECDmf/UD+/h8nf+74HJ0QVFw0xMTA0MTUwNzI4MzNaMAAwIQIOICvj4epy3MrqfwcnRBYXDTExMDQxNTA3Mjg1NlowADAhAg4bouRMfOYqgv4xBydEHxcNMTEwMzA4MTYyNDI1WjAAMCECDhebWHGoKiTp7pEHJ0QgFw0xMTAzMDgxNjI0NDhaMAAwIQIOX+qnxxAqJ8LtawcnRDcXDTExMDEzMTE1MTIyOFowADAhAg4j0fICqZ+wkOdqBydEOBcNMTEwMTMxMTUxMTQxWjAAMCECDhmXjsV4SUpWtAMHJ0RLFw0xMTAxMjgxMTI0MTJaMAAwIQIODno/w+zG43kkTwcnREwXDTExMDEyODExMjM1MlowADAhAg4b1gc88767Fr+LBydETxcNMTEwMTI4MTEwMjA4WjAAMCECDn+M3Pa1w2nyFeUHJ0RQFw0xMTAxMjgxMDU4NDVaMAAwIQIOaduoyIH61tqybAcnRJUXDTEwMTIxNTA5NDMyMlowADAhAg4nLqQPkyi3ESAKBydElhcNMTAxMjE1MDk0MzM2WjAAMCECDi504NIMH8578gQHJ0SbFw0xMTAyMTQxNDA1NDFaMAAwIQIOGuaM8PDaC5u1egcnRJwXDTExMDIxNDE0MDYwNFowADAhAg4ehYq/BXGnB5PWBydEnxcNMTEwMjA0MDgwOTUxWjAAMCECDkSD4eS4FxW5H20HJ0SgFw0xMTAyMDQwODA5MjVaMAAwIQIOOCcb6ilYObt1egcnRKEXDTExMDEyNjEwNDEyOVowADAhAg58tISWCCwFnKGnBydEohcNMTEwMjA0MDgxMzQyWjAAMCECDn5rjtabY/L/WL0HJ0TJFw0xMTAyMDQxMTAzNDFaMAAwDQYJKoZIhvcNAQEFBQADggEBAGnF2Gs0+LNiYCW1Ipm83OXQYP/bd5tFFRzyz3iepFqNfYs4D68/QihjFoRHQoXEB0OEe1tvaVnnPGnEOpi6krwekquMxo4H88B5SlyiFIqemCOIss0SxlCFs69LmfRYvPPvPEhoXtQ3ZThe0UvKG83GOklhvGl6OaiRf4Mt+m8zOT4Wox/j6aOBK6cw6qKCdmD+Yj1rrNqFGg1CnSWMoD6S6mwNgkzwdBUJZ22BwrzAAo4RHa2Uy3ef1FjwD0XtU5N3uDSxGGBEDvOe5z82rps3E22FpAA8eYl8kaXtmWqyvYU0epp4brGuTxCuBMCAsxt/OjIjeNNQbBGkwxgfYA0="
1471
1472 const pemCRLBase64 = "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"
1473
1474 func TestCreateCertificateRequest(t *testing.T) {
1475 random := rand.Reader
1476
1477 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
1478 if err != nil {
1479 t.Fatalf("Failed to generate ECDSA key: %s", err)
1480 }
1481
1482 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
1483 if err != nil {
1484 t.Fatalf("Failed to generate ECDSA key: %s", err)
1485 }
1486
1487 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
1488 if err != nil {
1489 t.Fatalf("Failed to generate ECDSA key: %s", err)
1490 }
1491
1492 _, ed25519Priv, err := ed25519.GenerateKey(random)
1493 if err != nil {
1494 t.Fatalf("Failed to generate Ed25519 key: %s", err)
1495 }
1496
1497 tests := []struct {
1498 name string
1499 priv any
1500 sigAlgo SignatureAlgorithm
1501 }{
1502 {"RSA", testPrivateKey, SHA256WithRSA},
1503 {"RSA-PSS-SHA256", testPrivateKey, SHA256WithRSAPSS},
1504 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256},
1505 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256},
1506 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256},
1507 {"Ed25519", ed25519Priv, PureEd25519},
1508 }
1509
1510 for _, test := range tests {
1511 template := CertificateRequest{
1512 Subject: pkix.Name{
1513 CommonName: "test.example.com",
1514 Organization: []string{"Σ Acme Co"},
1515 },
1516 SignatureAlgorithm: test.sigAlgo,
1517 DNSNames: []string{"test.example.com"},
1518 EmailAddresses: []string{"gopher@golang.org"},
1519 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
1520 }
1521
1522 derBytes, err := CreateCertificateRequest(random, &template, test.priv)
1523 if err != nil {
1524 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1525 continue
1526 }
1527
1528 out, err := ParseCertificateRequest(derBytes)
1529 if err != nil {
1530 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1531 continue
1532 }
1533
1534 err = out.CheckSignature()
1535 if err != nil {
1536 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err)
1537 continue
1538 }
1539
1540 if out.Subject.CommonName != template.Subject.CommonName {
1541 t.Errorf("%s: output subject common name and template subject common name don't match", test.name)
1542 } else if len(out.Subject.Organization) != len(template.Subject.Organization) {
1543 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name)
1544 } else if len(out.DNSNames) != len(template.DNSNames) {
1545 t.Errorf("%s: output DNS names and template DNS names don't match", test.name)
1546 } else if len(out.EmailAddresses) != len(template.EmailAddresses) {
1547 t.Errorf("%s: output email addresses and template email addresses don't match", test.name)
1548 } else if len(out.IPAddresses) != len(template.IPAddresses) {
1549 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name)
1550 }
1551 }
1552 }
1553
1554 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest {
1555 t.Helper()
1556 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey)
1557 if err != nil {
1558 t.Fatal(err)
1559 }
1560
1561 csr, err := ParseCertificateRequest(derBytes)
1562 if err != nil {
1563 t.Fatal(err)
1564 }
1565
1566 return csr
1567 }
1568
1569 func TestCertificateRequestOverrides(t *testing.T) {
1570 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil)
1571 if err != nil {
1572 t.Fatal(err)
1573 }
1574
1575 template := CertificateRequest{
1576 Subject: pkix.Name{
1577 CommonName: "test.example.com",
1578 Organization: []string{"Σ Acme Co"},
1579 },
1580 DNSNames: []string{"test.example.com"},
1581
1582
1583
1584 ExtraExtensions: []pkix.Extension{
1585 {
1586 Id: oidExtensionSubjectAltName,
1587 Value: sanContents,
1588 Critical: true,
1589 },
1590 },
1591 }
1592
1593 csr := marshalAndParseCSR(t, &template)
1594
1595 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" {
1596 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames)
1597 }
1598
1599 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical {
1600 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions)
1601 }
1602
1603
1604
1605
1606
1607 template.Attributes = []pkix.AttributeTypeAndValueSET{
1608 {
1609 Type: oidExtensionRequest,
1610 Value: [][]pkix.AttributeTypeAndValue{
1611 {
1612 {
1613 Type: oidExtensionAuthorityInfoAccess,
1614 Value: []byte("foo"),
1615 },
1616 },
1617 },
1618 },
1619 }
1620
1621 csr = marshalAndParseCSR(t, &template)
1622 if l := len(csr.Attributes); l != 1 {
1623 t.Errorf("incorrect number of attributes: %d\n", l)
1624 }
1625
1626 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) ||
1627 len(csr.Attributes[0].Value) != 1 ||
1628 len(csr.Attributes[0].Value[0]) != 2 {
1629 t.Errorf("bad attributes: %#v\n", csr.Attributes)
1630 }
1631
1632 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil)
1633 if err != nil {
1634 t.Fatal(err)
1635 }
1636
1637
1638 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{
1639 Type: oidExtensionSubjectAltName,
1640 Value: sanContents2,
1641 })
1642
1643 csr = marshalAndParseCSR(t, &template)
1644
1645 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" {
1646 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames)
1647 }
1648 }
1649
1650 func TestParseCertificateRequest(t *testing.T) {
1651 for _, csrBase64 := range csrBase64Array {
1652 csrBytes := fromBase64(csrBase64)
1653 csr, err := ParseCertificateRequest(csrBytes)
1654 if err != nil {
1655 t.Fatalf("failed to parse CSR: %s", err)
1656 }
1657
1658 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" {
1659 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses)
1660 }
1661
1662 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" {
1663 t.Errorf("incorrect DNS names found: %v", csr.DNSNames)
1664 }
1665
1666 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" {
1667 t.Errorf("incorrect Subject name: %v", csr.Subject)
1668 }
1669
1670 found := false
1671 for _, e := range csr.Extensions {
1672 if e.Id.Equal(oidExtensionBasicConstraints) {
1673 found = true
1674 break
1675 }
1676 }
1677 if !found {
1678 t.Errorf("basic constraints extension not found in CSR")
1679 }
1680 }
1681 }
1682
1683 func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) {
1684
1685
1686 const csrBase64 = "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"
1687
1688 csrBytes := fromBase64(csrBase64)
1689 csr, err := ParseCertificateRequest(csrBytes)
1690 if err != nil {
1691 t.Fatalf("failed to parse CSR: %s", err)
1692 }
1693
1694 expected := []struct {
1695 Id asn1.ObjectIdentifier
1696 Value []byte
1697 }{
1698 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")},
1699 {oidExtensionKeyUsage, fromBase64("AwIChA==")},
1700 }
1701
1702 if n := len(csr.Extensions); n != len(expected) {
1703 t.Fatalf("expected to find %d extensions but found %d", len(expected), n)
1704 }
1705
1706 for i, extension := range csr.Extensions {
1707 if !extension.Id.Equal(expected[i].Id) {
1708 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id)
1709 }
1710
1711 if !bytes.Equal(extension.Value, expected[i].Value) {
1712 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value)
1713 }
1714 }
1715 }
1716
1717
1718
1719 func serialiseAndParse(t *testing.T, template *Certificate) *Certificate {
1720 t.Helper()
1721 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey)
1722 if err != nil {
1723 t.Fatalf("failed to create certificate: %s", err)
1724 return nil
1725 }
1726
1727 cert, err := ParseCertificate(derBytes)
1728 if err != nil {
1729 t.Fatalf("failed to parse certificate: %s", err)
1730 return nil
1731 }
1732
1733 return cert
1734 }
1735
1736 func TestMaxPathLenNotCA(t *testing.T) {
1737 template := &Certificate{
1738 SerialNumber: big.NewInt(1),
1739 Subject: pkix.Name{
1740 CommonName: "Σ Acme Co",
1741 },
1742 NotBefore: time.Unix(1000, 0),
1743 NotAfter: time.Unix(100000, 0),
1744
1745 BasicConstraintsValid: true,
1746 IsCA: false,
1747 }
1748 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1749 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m)
1750 }
1751
1752 template.MaxPathLen = -1
1753 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1754 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m)
1755 }
1756
1757 template.MaxPathLen = 5
1758 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1759 t.Error("specifying a MaxPathLen when IsCA is false should fail")
1760 }
1761
1762 template.MaxPathLen = 0
1763 template.MaxPathLenZero = true
1764 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1765 t.Error("setting MaxPathLenZero when IsCA is false should fail")
1766 }
1767
1768 template.BasicConstraintsValid = false
1769 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 {
1770 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m)
1771 }
1772 }
1773
1774 func TestMaxPathLen(t *testing.T) {
1775 template := &Certificate{
1776 SerialNumber: big.NewInt(1),
1777 Subject: pkix.Name{
1778 CommonName: "Σ Acme Co",
1779 },
1780 NotBefore: time.Unix(1000, 0),
1781 NotAfter: time.Unix(100000, 0),
1782
1783 BasicConstraintsValid: true,
1784 IsCA: true,
1785 }
1786
1787 cert1 := serialiseAndParse(t, template)
1788 if m := cert1.MaxPathLen; m != -1 {
1789 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m)
1790 }
1791 if cert1.MaxPathLenZero {
1792 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero")
1793 }
1794
1795 template.MaxPathLen = 1
1796 cert2 := serialiseAndParse(t, template)
1797 if m := cert2.MaxPathLen; m != 1 {
1798 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m)
1799 }
1800 if cert2.MaxPathLenZero {
1801 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero")
1802 }
1803
1804 template.MaxPathLen = 0
1805 template.MaxPathLenZero = true
1806 cert3 := serialiseAndParse(t, template)
1807 if m := cert3.MaxPathLen; m != 0 {
1808 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m)
1809 }
1810 if !cert3.MaxPathLenZero {
1811 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero")
1812 }
1813 }
1814
1815 func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) {
1816 template := &Certificate{
1817 SerialNumber: big.NewInt(1),
1818 Subject: pkix.Name{
1819 CommonName: "Σ Acme Co",
1820 },
1821 NotBefore: time.Unix(1000, 0),
1822 NotAfter: time.Unix(100000, 0),
1823
1824 BasicConstraintsValid: true,
1825 IsCA: true,
1826 SubjectKeyId: []byte{1, 2, 3, 4},
1827 }
1828
1829 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 {
1830 t.Fatalf("self-signed certificate contained default authority key id")
1831 }
1832
1833 template.AuthorityKeyId = []byte{1, 2, 3, 4}
1834 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 {
1835 t.Fatalf("self-signed certificate erased explicit authority key id")
1836 }
1837 }
1838
1839 func TestNoSubjectKeyIdInCert(t *testing.T) {
1840 template := &Certificate{
1841 SerialNumber: big.NewInt(1),
1842 Subject: pkix.Name{
1843 CommonName: "Σ Acme Co",
1844 },
1845 NotBefore: time.Unix(1000, 0),
1846 NotAfter: time.Unix(100000, 0),
1847
1848 BasicConstraintsValid: true,
1849 IsCA: true,
1850 }
1851 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1852 t.Fatalf("self-signed certificate did not generate subject key id using the public key")
1853 }
1854
1855 template.IsCA = false
1856 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 {
1857 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA")
1858 }
1859
1860 template.SubjectKeyId = []byte{1, 2, 3, 4}
1861 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1862 t.Fatalf("self-signed certificate erased explicit subject key id")
1863 }
1864 }
1865
1866 func TestASN1BitLength(t *testing.T) {
1867 tests := []struct {
1868 bytes []byte
1869 bitLen int
1870 }{
1871 {nil, 0},
1872 {[]byte{0x00}, 0},
1873 {[]byte{0x00, 0x00}, 0},
1874 {[]byte{0xf0}, 4},
1875 {[]byte{0x88}, 5},
1876 {[]byte{0xff}, 8},
1877 {[]byte{0xff, 0x80}, 9},
1878 {[]byte{0xff, 0x81}, 16},
1879 }
1880
1881 for i, test := range tests {
1882 if got := asn1BitLength(test.bytes); got != test.bitLen {
1883 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen)
1884 }
1885 }
1886 }
1887
1888 func TestVerifyEmptyCertificate(t *testing.T) {
1889 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed {
1890 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed)
1891 }
1892 }
1893
1894 func TestInsecureAlgorithmErrorString(t *testing.T) {
1895 tests := []struct {
1896 sa SignatureAlgorithm
1897 want string
1898 }{
1899 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"},
1900 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA"},
1901 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1"},
1902 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm 1"},
1903 {-1, "x509: cannot verify signature: insecure algorithm -1"},
1904 {0, "x509: cannot verify signature: insecure algorithm 0"},
1905 {9999, "x509: cannot verify signature: insecure algorithm 9999"},
1906 }
1907 for i, tt := range tests {
1908 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want {
1909 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want)
1910 }
1911 }
1912 }
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927 var csrBase64Array = [...]string{
1928
1929 "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",
1930
1931 "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",
1932 }
1933
1934 var md5cert = `
1935 -----BEGIN CERTIFICATE-----
1936 MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB
1937 VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx
1938 MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE
1939 CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB
1940 BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf
1941 Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs
1942 cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB
1943 AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY
1944 cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw
1945 GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa
1946 qViorq4=
1947 -----END CERTIFICATE-----
1948 `
1949
1950 func TestMD5(t *testing.T) {
1951 pemBlock, _ := pem.Decode([]byte(md5cert))
1952 cert, err := ParseCertificate(pemBlock.Bytes)
1953 if err != nil {
1954 t.Fatalf("failed to parse certificate: %s", err)
1955 }
1956 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA {
1957 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA)
1958 }
1959 if err = cert.CheckSignatureFrom(cert); err == nil {
1960 t.Fatalf("certificate verification succeeded incorrectly")
1961 }
1962 if _, ok := err.(InsecureAlgorithmError); !ok {
1963 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1964 }
1965 }
1966
1967 func TestSHA1(t *testing.T) {
1968 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem))
1969 cert, err := ParseCertificate(pemBlock.Bytes)
1970 if err != nil {
1971 t.Fatalf("failed to parse certificate: %s", err)
1972 }
1973 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 {
1974 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1)
1975 }
1976 if err = cert.CheckSignatureFrom(cert); err == nil {
1977 t.Fatalf("certificate verification succeeded incorrectly")
1978 }
1979 if _, ok := err.(InsecureAlgorithmError); !ok {
1980 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1981 }
1982 }
1983
1984
1985
1986 const certMissingRSANULL = `
1987 -----BEGIN CERTIFICATE-----
1988 MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD
1989 bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4
1990 MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc
1991 MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG
1992 hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE
1993 ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e
1994 E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw
1995 DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A
1996 p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4
1997 hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE
1998 GFGNEH5PlGffo05wc46QkYU=
1999 -----END CERTIFICATE-----`
2000
2001 func TestRSAMissingNULLParameters(t *testing.T) {
2002 block, _ := pem.Decode([]byte(certMissingRSANULL))
2003 if _, err := ParseCertificate(block.Bytes); err == nil {
2004 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter")
2005 } else if !strings.Contains(err.Error(), "missing NULL") {
2006 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err)
2007 }
2008 }
2009
2010 const certISOOID = `-----BEGIN CERTIFICATE-----
2011 MIIB5TCCAVKgAwIBAgIQNwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN
2012 BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx
2013 DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH
2014 GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86
2015 BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw
2016 5O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw
2017 OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW
2018 V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE
2019 J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2
2020 NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu
2021 MCRtdSdaM7g3
2022 -----END CERTIFICATE-----`
2023
2024 func TestISOOIDInCertificate(t *testing.T) {
2025 block, _ := pem.Decode([]byte(certISOOID))
2026 if cert, err := ParseCertificate(block.Bytes); err != nil {
2027 t.Errorf("certificate with ISO OID failed to parse: %s", err)
2028 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm {
2029 t.Errorf("ISO OID not recognised in certificate")
2030 }
2031 }
2032
2033
2034
2035
2036 const certMultipleRDN = `
2037 -----BEGIN CERTIFICATE-----
2038 MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz
2039 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j
2040 YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz
2041 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy
2042 dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw
2043 MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB
2044 BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM
2045 098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf
2046 HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv
2047 oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI
2048 zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/
2049 y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G
2050 A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF
2051 BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw
2052 b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE
2053 BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln
2054 b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu
2055 c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp
2056 Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292
2057 LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda
2058 gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY
2059 PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ
2060 KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y
2061 BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5
2062 ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9
2063 9C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R
2064 uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd
2065 La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF
2066 DF72IUofoVt7wo0=
2067 -----END CERTIFICATE-----`
2068
2069 func TestMultipleRDN(t *testing.T) {
2070 block, _ := pem.Decode([]byte(certMultipleRDN))
2071 cert, err := ParseCertificate(block.Bytes)
2072 if err != nil {
2073 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err)
2074 }
2075
2076 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want {
2077 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want)
2078 }
2079
2080 if want := "1236484010010"; cert.Subject.SerialNumber != want {
2081 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want)
2082 }
2083 }
2084
2085 func TestSystemCertPool(t *testing.T) {
2086 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
2087 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)")
2088 }
2089 a, err := SystemCertPool()
2090 if err != nil {
2091 t.Fatal(err)
2092 }
2093 b, err := SystemCertPool()
2094 if err != nil {
2095 t.Fatal(err)
2096 }
2097 if !certPoolEqual(a, b) {
2098 t.Fatal("two calls to SystemCertPool had different results")
2099 }
2100 if ok := b.AppendCertsFromPEM([]byte(`
2101 -----BEGIN CERTIFICATE-----
2102 MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw
2103 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2
2104 MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2105 ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf
2106 cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD
2107 yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM
2108 jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01
2109 IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl
2110 VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF
2111 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC
2112 FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR
2113 BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs
2114 1cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub
2115 YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI
2116 gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq
2117 N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6
2118 pa/O1nF0AfWOpw==
2119 -----END CERTIFICATE-----
2120 `)); !ok {
2121 t.Fatal("AppendCertsFromPEM failed")
2122 }
2123 if reflect.DeepEqual(a, b) {
2124 t.Fatal("changing one pool modified the other")
2125 }
2126 }
2127
2128 const emptyNameConstraintsPEM = `
2129 -----BEGIN CERTIFICATE-----
2130 MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2131 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2132 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2133 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2134 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2135 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2136 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2137 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2138 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2139 AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH
2140 QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb
2141 6L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H
2142 v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M
2143 LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga
2144 nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8
2145 o+WoY6IsCKXV/g==
2146 -----END CERTIFICATE-----`
2147
2148 func TestEmptyNameConstraints(t *testing.T) {
2149 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM))
2150 _, err := ParseCertificate(block.Bytes)
2151 if err == nil {
2152 t.Fatal("unexpected success")
2153 }
2154
2155 const expected = "empty name constraints"
2156 if str := err.Error(); !strings.Contains(str, expected) {
2157 t.Errorf("expected %q in error but got %q", expected, str)
2158 }
2159 }
2160
2161 func TestPKIXNameString(t *testing.T) {
2162 der, err := base64.StdEncoding.DecodeString(certBytes)
2163 if err != nil {
2164 t.Fatal(err)
2165 }
2166 certs, err := ParseCertificates(der)
2167 if err != nil {
2168 t.Fatal(err)
2169 }
2170
2171
2172 rdns := pkix.Name{
2173 Locality: []string{"Gophertown"},
2174 ExtraNames: []pkix.AttributeTypeAndValue{
2175 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2176 }.ToRDNSequence()
2177 nn := pkix.Name{}
2178 nn.FillFromRDNSequence(&rdns)
2179
2180
2181 extra := []pkix.AttributeTypeAndValue{
2182 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}}
2183 extraNotNil := pkix.Name{
2184 Locality: []string{"Gophertown"},
2185 ExtraNames: extra[:0],
2186 Names: []pkix.AttributeTypeAndValue{
2187 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2188 }
2189
2190 tests := []struct {
2191 dn pkix.Name
2192 want string
2193 }{
2194 {nn, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2195 {extraNotNil, "L=Gophertown"},
2196 {pkix.Name{
2197 CommonName: "Steve Kille",
2198 Organization: []string{"Isode Limited"},
2199 OrganizationalUnit: []string{"RFCs"},
2200 Locality: []string{"Richmond"},
2201 Province: []string{"Surrey"},
2202 StreetAddress: []string{"The Square"},
2203 PostalCode: []string{"TW9 1DT"},
2204 SerialNumber: "RFC 2253",
2205 Country: []string{"GB"},
2206 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"},
2207 {certs[0].Subject,
2208 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"},
2209 {pkix.Name{
2210 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "},
2211 Country: []string{"US"},
2212 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"},
2213 {pkix.Name{
2214 CommonName: "foo.com",
2215 Organization: []string{"Gopher Industries"},
2216 ExtraNames: []pkix.AttributeTypeAndValue{
2217 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}},
2218 }, "CN=bar.com,O=Gopher Industries"},
2219 {pkix.Name{
2220 Locality: []string{"Gophertown"},
2221 ExtraNames: []pkix.AttributeTypeAndValue{
2222 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2223 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2224
2225 {pkix.Name{
2226 Locality: []string{"Gophertown"},
2227 Names: []pkix.AttributeTypeAndValue{
2228 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2229 }, "L=Gophertown,1.2.3.4.5=#130a676f6c616e672e6f7267"},
2230
2231 {pkix.Name{
2232 Locality: []string{"Gophertown"},
2233 ExtraNames: []pkix.AttributeTypeAndValue{
2234 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2235 Names: []pkix.AttributeTypeAndValue{
2236 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}},
2237 }, "1.2.3.4.5=#130a676f6c616e672e6f7267,L=Gophertown"},
2238 }
2239
2240 for i, test := range tests {
2241 if got := test.dn.String(); got != test.want {
2242 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2243 }
2244 }
2245
2246 if extra[0].Value != "backing array" {
2247 t.Errorf("the backing array of an empty ExtraNames got modified by String")
2248 }
2249 }
2250
2251 func TestRDNSequenceString(t *testing.T) {
2252
2253
2254
2255 var (
2256 oidCountry = []int{2, 5, 4, 6}
2257 oidOrganization = []int{2, 5, 4, 10}
2258 oidOrganizationalUnit = []int{2, 5, 4, 11}
2259 oidCommonName = []int{2, 5, 4, 3}
2260 )
2261
2262 tests := []struct {
2263 seq pkix.RDNSequence
2264 want string
2265 }{
2266 {
2267 seq: pkix.RDNSequence{
2268 pkix.RelativeDistinguishedNameSET{
2269 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"},
2270 },
2271 pkix.RelativeDistinguishedNameSET{
2272 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."},
2273 },
2274 pkix.RelativeDistinguishedNameSET{
2275 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"},
2276 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"},
2277 },
2278 },
2279 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US",
2280 },
2281 }
2282
2283 for i, test := range tests {
2284 if got := test.seq.String(); got != test.want {
2285 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2286 }
2287 }
2288 }
2289
2290 const criticalNameConstraintWithUnknownTypePEM = `
2291 -----BEGIN CERTIFICATE-----
2292 MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2293 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2294 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2295 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2296 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2297 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2298 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2299 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2300 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2301 AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A
2302 AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy
2303 im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ
2304 Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl
2305 eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA
2306 /drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO
2307 ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV
2308 /g==
2309 -----END CERTIFICATE-----`
2310
2311 func TestCriticalNameConstraintWithUnknownType(t *testing.T) {
2312 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM))
2313 cert, err := ParseCertificate(block.Bytes)
2314 if err != nil {
2315 t.Fatalf("unexpected parsing failure: %s", err)
2316 }
2317
2318 if l := len(cert.UnhandledCriticalExtensions); l != 1 {
2319 t.Fatalf("expected one unhandled critical extension, but found %d", l)
2320 }
2321 }
2322
2323 const badIPMaskPEM = `
2324 -----BEGIN CERTIFICATE-----
2325 MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk
2326 IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow
2327 FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2328 ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+
2329 8DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj
2330 cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn
2331 cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j
2332 TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa
2333 OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg
2334 DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B
2335 IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV
2336 EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7
2337 VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh
2338 E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a
2339 Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI
2340 pdX+
2341 -----END CERTIFICATE-----`
2342
2343 func TestBadIPMask(t *testing.T) {
2344 block, _ := pem.Decode([]byte(badIPMaskPEM))
2345 _, err := ParseCertificate(block.Bytes)
2346 if err == nil {
2347 t.Fatalf("unexpected success")
2348 }
2349
2350 const expected = "contained invalid mask"
2351 if !strings.Contains(err.Error(), expected) {
2352 t.Fatalf("expected %q in error but got: %s", expected, err)
2353 }
2354 }
2355
2356 const additionalGeneralSubtreePEM = `
2357 -----BEGIN CERTIFICATE-----
2358 MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw
2359 bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2360 MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg
2361 QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow
2362 bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT
2363 GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC
2364 cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW
2365 4kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M
2366 8FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD
2367 dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs
2368 Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/
2369 rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG
2370 Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr
2371 BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w
2372 N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw
2373 AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs
2374 aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK
2375 YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl
2376 Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH
2377 AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv
2378 MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k
2379 ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw
2380 LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2381 gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE
2382 EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB
2383 AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA
2384 A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng
2385 5YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB
2386 dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn
2387 6OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6
2388 8vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE
2389 u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW
2390 i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc
2391 fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo
2392 QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq
2393 nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD
2394 xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw==
2395 -----END CERTIFICATE-----`
2396
2397 func TestAdditionFieldsInGeneralSubtree(t *testing.T) {
2398
2399
2400
2401 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM))
2402 if _, err := ParseCertificate(block.Bytes); err != nil {
2403 t.Fatalf("failed to parse certificate: %s", err)
2404 }
2405 }
2406
2407 func TestEmptySerialNumber(t *testing.T) {
2408 template := Certificate{
2409 DNSNames: []string{"example.com"},
2410 }
2411
2412 for range 100 {
2413 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2414 if err != nil {
2415 t.Fatalf("failed to create certificate: %s", err)
2416 }
2417
2418 cert, err := ParseCertificate(derBytes)
2419 if err != nil {
2420 t.Fatalf("failed to parse certificate: %s", err)
2421 }
2422
2423 if sign := cert.SerialNumber.Sign(); sign != 1 {
2424 t.Fatalf("generated a non positive serial, sign: %d", sign)
2425 }
2426
2427 b, err := asn1.Marshal(cert.SerialNumber)
2428 if err != nil {
2429 t.Fatalf("failed to marshal generated serial number: %s", err)
2430 }
2431
2432 if l := len(b) - 2; l > 20 {
2433 t.Fatalf("generated serial number larger than 20 octets when encoded: %d", l)
2434 }
2435 }
2436 }
2437
2438 func TestEmptySubject(t *testing.T) {
2439 template := Certificate{
2440 SerialNumber: big.NewInt(1),
2441 DNSNames: []string{"example.com"},
2442 }
2443
2444 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2445 if err != nil {
2446 t.Fatalf("failed to create certificate: %s", err)
2447 }
2448
2449 cert, err := ParseCertificate(derBytes)
2450 if err != nil {
2451 t.Fatalf("failed to parse certificate: %s", err)
2452 }
2453
2454 for _, ext := range cert.Extensions {
2455 if ext.Id.Equal(oidExtensionSubjectAltName) {
2456 if !ext.Critical {
2457 t.Fatal("SAN extension is not critical")
2458 }
2459 return
2460 }
2461 }
2462
2463 t.Fatal("SAN extension is missing")
2464 }
2465
2466
2467
2468 const multipleURLsInCRLDPPEM = `
2469 -----BEGIN CERTIFICATE-----
2470 MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB
2471 8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy
2472 dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1
2473 YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3
2474 dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh
2475 IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD
2476 LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG
2477 EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg
2478 Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj
2479 YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA
2480 A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y
2481 TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak
2482 YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL
2483 Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW
2484 jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ
2485 OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV
2486 HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI
2487 oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w
2488 gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93
2489 d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1
2490 ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg
2491 YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h
2492 b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF
2493 BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn
2494 aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v
2495 ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA
2496 A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL
2497 PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex
2498 3Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu
2499 labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6
2500 oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+
2501 eVxXDTCfs7GUlxnjOp5j559X/N0A
2502 -----END CERTIFICATE-----
2503 `
2504
2505 func TestMultipleURLsInCRLDP(t *testing.T) {
2506 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM))
2507 cert, err := ParseCertificate(block.Bytes)
2508 if err != nil {
2509 t.Fatalf("failed to parse certificate: %s", err)
2510 }
2511
2512 want := []string{
2513 "http://epscd.catcert.net/crl/ec-acc.crl",
2514 "http://epscd2.catcert.net/crl/ec-acc.crl",
2515 }
2516 if got := cert.CRLDistributionPoints; !slices.Equal(got, want) {
2517 t.Errorf("CRL distribution points = %#v, want #%v", got, want)
2518 }
2519 }
2520
2521 const hexPKCS1TestPKCS8Key = "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"
2522 const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50"
2523
2524 var pkcs1MismatchKeyTests = []struct {
2525 hexKey string
2526 errorContains string
2527 }{
2528 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"},
2529 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"},
2530 }
2531
2532 func TestPKCS1MismatchKeyFormat(t *testing.T) {
2533 for i, test := range pkcs1MismatchKeyTests {
2534 derBytes, _ := hex.DecodeString(test.hexKey)
2535 _, err := ParsePKCS1PrivateKey(derBytes)
2536 if !strings.Contains(err.Error(), test.errorContains) {
2537 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
2538 }
2539 }
2540 }
2541
2542 func TestCreateRevocationList(t *testing.T) {
2543 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2544 if err != nil {
2545 t.Fatalf("Failed to generate ECDSA P256 key: %s", err)
2546 }
2547 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader)
2548 if err != nil {
2549 t.Fatalf("Failed to generate Ed25519 key: %s", err)
2550 }
2551
2552
2553
2554 utf8CAStr := "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"
2555 utf8CABytes, _ := base64.StdEncoding.DecodeString(utf8CAStr)
2556 utf8CA, _ := ParseCertificate(utf8CABytes)
2557
2558 utf8KeyStr := "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"
2559 utf8KeyBytes, _ := base64.StdEncoding.DecodeString(utf8KeyStr)
2560 utf8KeyRaw, _ := ParsePKCS8PrivateKey(utf8KeyBytes)
2561 utf8Key := utf8KeyRaw.(crypto.Signer)
2562
2563 tests := []struct {
2564 name string
2565 key crypto.Signer
2566 issuer *Certificate
2567 template *RevocationList
2568 expectedError string
2569 }{
2570 {
2571 name: "nil template",
2572 key: ec256Priv,
2573 issuer: nil,
2574 template: nil,
2575 expectedError: "x509: template can not be nil",
2576 },
2577 {
2578 name: "nil issuer",
2579 key: ec256Priv,
2580 issuer: nil,
2581 template: &RevocationList{},
2582 expectedError: "x509: issuer can not be nil",
2583 },
2584 {
2585 name: "issuer doesn't have crlSign key usage bit set",
2586 key: ec256Priv,
2587 issuer: &Certificate{
2588 KeyUsage: KeyUsageCertSign,
2589 },
2590 template: &RevocationList{},
2591 expectedError: "x509: issuer must have the crlSign key usage bit set",
2592 },
2593 {
2594 name: "issuer missing SubjectKeyId",
2595 key: ec256Priv,
2596 issuer: &Certificate{
2597 KeyUsage: KeyUsageCRLSign,
2598 },
2599 template: &RevocationList{},
2600 expectedError: "x509: issuer certificate doesn't contain a subject key identifier",
2601 },
2602 {
2603 name: "nextUpdate before thisUpdate",
2604 key: ec256Priv,
2605 issuer: &Certificate{
2606 KeyUsage: KeyUsageCRLSign,
2607 Subject: pkix.Name{
2608 CommonName: "testing",
2609 },
2610 SubjectKeyId: []byte{1, 2, 3},
2611 },
2612 template: &RevocationList{
2613 ThisUpdate: time.Time{}.Add(time.Hour),
2614 NextUpdate: time.Time{},
2615 },
2616 expectedError: "x509: template.ThisUpdate is after template.NextUpdate",
2617 },
2618 {
2619 name: "nil Number",
2620 key: ec256Priv,
2621 issuer: &Certificate{
2622 KeyUsage: KeyUsageCRLSign,
2623 Subject: pkix.Name{
2624 CommonName: "testing",
2625 },
2626 SubjectKeyId: []byte{1, 2, 3},
2627 },
2628 template: &RevocationList{
2629 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2630 NextUpdate: time.Time{}.Add(time.Hour * 48),
2631 },
2632 expectedError: "x509: template contains nil Number field",
2633 },
2634 {
2635 name: "long Number",
2636 key: ec256Priv,
2637 issuer: &Certificate{
2638 KeyUsage: KeyUsageCRLSign,
2639 Subject: pkix.Name{
2640 CommonName: "testing",
2641 },
2642 SubjectKeyId: []byte{1, 2, 3},
2643 },
2644 template: &RevocationList{
2645 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2646 NextUpdate: time.Time{}.Add(time.Hour * 48),
2647 Number: big.NewInt(0).SetBytes(append([]byte{1}, make([]byte, 20)...)),
2648 },
2649 expectedError: "x509: CRL number exceeds 20 octets",
2650 },
2651 {
2652 name: "long Number (20 bytes, MSB set)",
2653 key: ec256Priv,
2654 issuer: &Certificate{
2655 KeyUsage: KeyUsageCRLSign,
2656 Subject: pkix.Name{
2657 CommonName: "testing",
2658 },
2659 SubjectKeyId: []byte{1, 2, 3},
2660 },
2661 template: &RevocationList{
2662 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2663 NextUpdate: time.Time{}.Add(time.Hour * 48),
2664 Number: big.NewInt(0).SetBytes(append([]byte{255}, make([]byte, 19)...)),
2665 },
2666 expectedError: "x509: CRL number exceeds 20 octets",
2667 },
2668 {
2669 name: "invalid signature algorithm",
2670 key: ec256Priv,
2671 issuer: &Certificate{
2672 KeyUsage: KeyUsageCRLSign,
2673 Subject: pkix.Name{
2674 CommonName: "testing",
2675 },
2676 SubjectKeyId: []byte{1, 2, 3},
2677 },
2678 template: &RevocationList{
2679 SignatureAlgorithm: SHA256WithRSA,
2680 RevokedCertificates: []pkix.RevokedCertificate{
2681 {
2682 SerialNumber: big.NewInt(2),
2683 RevocationTime: time.Time{}.Add(time.Hour),
2684 },
2685 },
2686 Number: big.NewInt(5),
2687 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2688 NextUpdate: time.Time{}.Add(time.Hour * 48),
2689 },
2690 expectedError: "x509: requested SignatureAlgorithm does not match private key type",
2691 },
2692 {
2693 name: "valid",
2694 key: ec256Priv,
2695 issuer: &Certificate{
2696 KeyUsage: KeyUsageCRLSign,
2697 Subject: pkix.Name{
2698 CommonName: "testing",
2699 },
2700 SubjectKeyId: []byte{1, 2, 3},
2701 },
2702 template: &RevocationList{
2703 RevokedCertificateEntries: []RevocationListEntry{
2704 {
2705 SerialNumber: big.NewInt(2),
2706 RevocationTime: time.Time{}.Add(time.Hour),
2707 },
2708 },
2709 Number: big.NewInt(5),
2710 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2711 NextUpdate: time.Time{}.Add(time.Hour * 48),
2712 },
2713 },
2714 {
2715 name: "valid, reason code",
2716 key: ec256Priv,
2717 issuer: &Certificate{
2718 KeyUsage: KeyUsageCRLSign,
2719 Subject: pkix.Name{
2720 CommonName: "testing",
2721 },
2722 SubjectKeyId: []byte{1, 2, 3},
2723 },
2724 template: &RevocationList{
2725 RevokedCertificateEntries: []RevocationListEntry{
2726 {
2727 SerialNumber: big.NewInt(2),
2728 RevocationTime: time.Time{}.Add(time.Hour),
2729 ReasonCode: 1,
2730 },
2731 },
2732 Number: big.NewInt(5),
2733 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2734 NextUpdate: time.Time{}.Add(time.Hour * 48),
2735 },
2736 },
2737 {
2738 name: "valid, extra entry extension",
2739 key: ec256Priv,
2740 issuer: &Certificate{
2741 KeyUsage: KeyUsageCRLSign,
2742 Subject: pkix.Name{
2743 CommonName: "testing",
2744 },
2745 SubjectKeyId: []byte{1, 2, 3},
2746 },
2747 template: &RevocationList{
2748 RevokedCertificateEntries: []RevocationListEntry{
2749 {
2750 SerialNumber: big.NewInt(2),
2751 RevocationTime: time.Time{}.Add(time.Hour),
2752 ExtraExtensions: []pkix.Extension{
2753 {
2754 Id: []int{2, 5, 29, 99},
2755 Value: []byte{5, 0},
2756 },
2757 },
2758 },
2759 },
2760 Number: big.NewInt(5),
2761 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2762 NextUpdate: time.Time{}.Add(time.Hour * 48),
2763 },
2764 },
2765 {
2766 name: "valid, Ed25519 key",
2767 key: ed25519Priv,
2768 issuer: &Certificate{
2769 KeyUsage: KeyUsageCRLSign,
2770 Subject: pkix.Name{
2771 CommonName: "testing",
2772 },
2773 SubjectKeyId: []byte{1, 2, 3},
2774 },
2775 template: &RevocationList{
2776 RevokedCertificateEntries: []RevocationListEntry{
2777 {
2778 SerialNumber: big.NewInt(2),
2779 RevocationTime: time.Time{}.Add(time.Hour),
2780 },
2781 },
2782 Number: big.NewInt(5),
2783 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2784 NextUpdate: time.Time{}.Add(time.Hour * 48),
2785 },
2786 },
2787 {
2788 name: "valid, non-default signature algorithm",
2789 key: ec256Priv,
2790 issuer: &Certificate{
2791 KeyUsage: KeyUsageCRLSign,
2792 Subject: pkix.Name{
2793 CommonName: "testing",
2794 },
2795 SubjectKeyId: []byte{1, 2, 3},
2796 },
2797 template: &RevocationList{
2798 SignatureAlgorithm: ECDSAWithSHA512,
2799 RevokedCertificateEntries: []RevocationListEntry{
2800 {
2801 SerialNumber: big.NewInt(2),
2802 RevocationTime: time.Time{}.Add(time.Hour),
2803 },
2804 },
2805 Number: big.NewInt(5),
2806 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2807 NextUpdate: time.Time{}.Add(time.Hour * 48),
2808 },
2809 },
2810 {
2811 name: "valid, extra extension",
2812 key: ec256Priv,
2813 issuer: &Certificate{
2814 KeyUsage: KeyUsageCRLSign,
2815 Subject: pkix.Name{
2816 CommonName: "testing",
2817 },
2818 SubjectKeyId: []byte{1, 2, 3},
2819 },
2820 template: &RevocationList{
2821 RevokedCertificateEntries: []RevocationListEntry{
2822 {
2823 SerialNumber: big.NewInt(2),
2824 RevocationTime: time.Time{}.Add(time.Hour),
2825 },
2826 },
2827 Number: big.NewInt(5),
2828 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2829 NextUpdate: time.Time{}.Add(time.Hour * 48),
2830 ExtraExtensions: []pkix.Extension{
2831 {
2832 Id: []int{2, 5, 29, 99},
2833 Value: []byte{5, 0},
2834 },
2835 },
2836 },
2837 },
2838 {
2839 name: "valid, deprecated entries with extension",
2840 key: ec256Priv,
2841 issuer: &Certificate{
2842 KeyUsage: KeyUsageCRLSign,
2843 Subject: pkix.Name{
2844 CommonName: "testing",
2845 },
2846 SubjectKeyId: []byte{1, 2, 3},
2847 },
2848 template: &RevocationList{
2849 RevokedCertificates: []pkix.RevokedCertificate{
2850 {
2851 SerialNumber: big.NewInt(2),
2852 RevocationTime: time.Time{}.Add(time.Hour),
2853 Extensions: []pkix.Extension{
2854 {
2855 Id: []int{2, 5, 29, 99},
2856 Value: []byte{5, 0},
2857 },
2858 },
2859 },
2860 },
2861 Number: big.NewInt(5),
2862 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2863 NextUpdate: time.Time{}.Add(time.Hour * 48),
2864 },
2865 },
2866 {
2867 name: "valid, empty list",
2868 key: ec256Priv,
2869 issuer: &Certificate{
2870 KeyUsage: KeyUsageCRLSign,
2871 Subject: pkix.Name{
2872 CommonName: "testing",
2873 },
2874 SubjectKeyId: []byte{1, 2, 3},
2875 },
2876 template: &RevocationList{
2877 Number: big.NewInt(5),
2878 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2879 NextUpdate: time.Time{}.Add(time.Hour * 48),
2880 },
2881 },
2882 {
2883 name: "valid CA with utf8 Subject fields including Email, empty list",
2884 key: utf8Key,
2885 issuer: utf8CA,
2886 template: &RevocationList{
2887 Number: big.NewInt(5),
2888 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2889 NextUpdate: time.Time{}.Add(time.Hour * 48),
2890 },
2891 },
2892 }
2893
2894 for _, tc := range tests {
2895 t.Run(tc.name, func(t *testing.T) {
2896 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key)
2897 if err != nil && tc.expectedError == "" {
2898 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err)
2899 } else if err != nil && tc.expectedError != err.Error() {
2900 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err)
2901 } else if err == nil && tc.expectedError != "" {
2902 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError)
2903 }
2904 if tc.expectedError != "" {
2905 return
2906 }
2907
2908 parsedCRL, err := ParseRevocationList(crl)
2909 if err != nil {
2910 t.Fatalf("Failed to parse generated CRL: %s", err)
2911 }
2912
2913 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm &&
2914 parsedCRL.SignatureAlgorithm != tc.template.SignatureAlgorithm {
2915 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm,
2916 tc.template.SignatureAlgorithm)
2917 }
2918
2919 if len(tc.template.RevokedCertificates) > 0 {
2920 if !reflect.DeepEqual(parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) {
2921 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.",
2922 parsedCRL.RevokedCertificates, tc.template.RevokedCertificates)
2923 }
2924 } else {
2925 if len(parsedCRL.RevokedCertificateEntries) != len(tc.template.RevokedCertificateEntries) {
2926 t.Fatalf("RevokedCertificateEntries length mismatch: got %d; want %d.",
2927 len(parsedCRL.RevokedCertificateEntries),
2928 len(tc.template.RevokedCertificateEntries))
2929 }
2930 for i, rce := range parsedCRL.RevokedCertificateEntries {
2931 expected := tc.template.RevokedCertificateEntries[i]
2932 if rce.SerialNumber.Cmp(expected.SerialNumber) != 0 {
2933 t.Fatalf("RevocationListEntry serial mismatch: got %d; want %d.",
2934 rce.SerialNumber, expected.SerialNumber)
2935 }
2936 if !rce.RevocationTime.Equal(expected.RevocationTime) {
2937 t.Fatalf("RevocationListEntry revocation time mismatch: got %v; want %v.",
2938 rce.RevocationTime, expected.RevocationTime)
2939 }
2940 if rce.ReasonCode != expected.ReasonCode {
2941 t.Fatalf("RevocationListEntry reason code mismatch: got %d; want %d.",
2942 rce.ReasonCode, expected.ReasonCode)
2943 }
2944 }
2945 }
2946
2947 if len(parsedCRL.Extensions) != 2+len(tc.template.ExtraExtensions) {
2948 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.Extensions))
2949 }
2950 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId})
2951 if err != nil {
2952 t.Fatalf("asn1.Marshal failed: %s", err)
2953 }
2954 akiExt := pkix.Extension{
2955 Id: oidExtensionAuthorityKeyId,
2956 Value: expectedAKI,
2957 }
2958 if !reflect.DeepEqual(parsedCRL.Extensions[0], akiExt) {
2959 t.Fatalf("Unexpected first extension: got %v, want %v",
2960 parsedCRL.Extensions[0], akiExt)
2961 }
2962 expectedNum, err := asn1.Marshal(tc.template.Number)
2963 if err != nil {
2964 t.Fatalf("asn1.Marshal failed: %s", err)
2965 }
2966 crlExt := pkix.Extension{
2967 Id: oidExtensionCRLNumber,
2968 Value: expectedNum,
2969 }
2970 if !reflect.DeepEqual(parsedCRL.Extensions[1], crlExt) {
2971 t.Fatalf("Unexpected second extension: got %v, want %v",
2972 parsedCRL.Extensions[1], crlExt)
2973 }
2974
2975
2976
2977
2978
2979
2980 if len(tc.issuer.RawSubject) > 0 {
2981 issuerSubj, err := subjectBytes(tc.issuer)
2982 if err != nil {
2983 t.Fatalf("failed to get issuer subject: %s", err)
2984 }
2985 if !bytes.Equal(issuerSubj, parsedCRL.RawIssuer) {
2986 t.Fatalf("Unexpected issuer subject; wanted: %v, got: %v", hex.EncodeToString(issuerSubj), hex.EncodeToString(parsedCRL.RawIssuer))
2987 }
2988 } else {
2989
2990
2991
2992
2993 issuerRDN := tc.issuer.Subject.ToRDNSequence()
2994 var caIssuer pkix.Name
2995 caIssuer.FillFromRDNSequence(&issuerRDN)
2996 if !reflect.DeepEqual(caIssuer, parsedCRL.Issuer) {
2997 t.Fatalf("Expected issuer.Subject, parsedCRL.Issuer to be the same; wanted: %#v, got: %#v", caIssuer, parsedCRL.Issuer)
2998 }
2999 }
3000
3001 if len(parsedCRL.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 {
3002
3003
3004 return
3005 }
3006 if !reflect.DeepEqual(parsedCRL.Extensions[2:], tc.template.ExtraExtensions) {
3007 t.Fatalf("Extensions mismatch: got %v; want %v.",
3008 parsedCRL.Extensions[2:], tc.template.ExtraExtensions)
3009 }
3010
3011 if tc.template.Number != nil && parsedCRL.Number == nil {
3012 t.Fatalf("Generated CRL missing Number: got nil, want %s",
3013 tc.template.Number.String())
3014 }
3015 if tc.template.Number != nil && tc.template.Number.Cmp(parsedCRL.Number) != 0 {
3016 t.Fatalf("Generated CRL has wrong Number: got %s, want %s",
3017 parsedCRL.Number.String(), tc.template.Number.String())
3018 }
3019 if !bytes.Equal(parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId) {
3020 t.Fatalf("Generated CRL has wrong AuthorityKeyId: got %x, want %x",
3021 parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId)
3022 }
3023 })
3024 }
3025 }
3026
3027 func TestRSAPSAParameters(t *testing.T) {
3028 generateParams := func(hashFunc crypto.Hash) []byte {
3029 var hashOID asn1.ObjectIdentifier
3030
3031 switch hashFunc {
3032 case crypto.SHA256:
3033 hashOID = oidSHA256
3034 case crypto.SHA384:
3035 hashOID = oidSHA384
3036 case crypto.SHA512:
3037 hashOID = oidSHA512
3038 }
3039
3040 params := pssParameters{
3041 Hash: pkix.AlgorithmIdentifier{
3042 Algorithm: hashOID,
3043 Parameters: asn1.NullRawValue,
3044 },
3045 MGF: pkix.AlgorithmIdentifier{
3046 Algorithm: oidMGF1,
3047 },
3048 SaltLength: hashFunc.Size(),
3049 TrailerField: 1,
3050 }
3051
3052 mgf1Params := pkix.AlgorithmIdentifier{
3053 Algorithm: hashOID,
3054 Parameters: asn1.NullRawValue,
3055 }
3056
3057 var err error
3058 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params)
3059 if err != nil {
3060 t.Fatalf("failed to marshal MGF parameters: %s", err)
3061 }
3062
3063 serialized, err := asn1.Marshal(params)
3064 if err != nil {
3065 t.Fatalf("failed to marshal parameters: %s", err)
3066 }
3067
3068 return serialized
3069 }
3070
3071 for _, detail := range signatureAlgorithmDetails {
3072 if !detail.isRSAPSS {
3073 continue
3074 }
3075 generated := generateParams(detail.hash)
3076 if !bytes.Equal(detail.params.FullBytes, generated) {
3077 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", detail.hash, generated, detail.params.FullBytes)
3078 }
3079 }
3080 }
3081
3082 func TestUnknownExtKey(t *testing.T) {
3083 const errorContains = "unknown extended key usage"
3084
3085 template := &Certificate{
3086 SerialNumber: big.NewInt(10),
3087 DNSNames: []string{"foo"},
3088 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)},
3089 }
3090
3091 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), testPrivateKey)
3092 if !strings.Contains(err.Error(), errorContains) {
3093 t.Errorf("expected error containing %q, got %s", errorContains, err)
3094 }
3095 }
3096
3097 func TestIA5SANEnforcement(t *testing.T) {
3098 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3099 if err != nil {
3100 t.Fatalf("ecdsa.GenerateKey failed: %s", err)
3101 }
3102
3103 testURL, err := url.Parse("https://example.com/")
3104 if err != nil {
3105 t.Fatalf("url.Parse failed: %s", err)
3106 }
3107 testURL.RawQuery = "∞"
3108
3109 marshalTests := []struct {
3110 name string
3111 template *Certificate
3112 expectedError string
3113 }{
3114 {
3115 name: "marshal: unicode dNSName",
3116 template: &Certificate{
3117 SerialNumber: big.NewInt(0),
3118 DNSNames: []string{"∞"},
3119 },
3120 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3121 },
3122 {
3123 name: "marshal: unicode rfc822Name",
3124 template: &Certificate{
3125 SerialNumber: big.NewInt(0),
3126 EmailAddresses: []string{"∞"},
3127 },
3128 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3129 },
3130 {
3131 name: "marshal: unicode uniformResourceIdentifier",
3132 template: &Certificate{
3133 SerialNumber: big.NewInt(0),
3134 URIs: []*url.URL{testURL},
3135 },
3136 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String",
3137 },
3138 }
3139
3140 for _, tc := range marshalTests {
3141 t.Run(tc.name, func(t *testing.T) {
3142 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k)
3143 if err == nil {
3144 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template)
3145 } else if err.Error() != tc.expectedError {
3146 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3147 }
3148 })
3149 }
3150
3151 unmarshalTests := []struct {
3152 name string
3153 cert string
3154 expectedError string
3155 }{
3156 {
3157 name: "unmarshal: unicode dNSName",
3158 cert: "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",
3159 expectedError: "x509: SAN dNSName is malformed",
3160 },
3161 {
3162 name: "unmarshal: unicode rfc822Name",
3163 cert: "308201083081aea003020102020100300a06082a8648ce3d04030230003022180f30303031303130313030303030305a180f30303031303130313030303030305a30003059301306072a8648ce3d020106082a8648ce3d0301070342000405cb4c4ba72aac980f7b11b0285191425e29e196ce7c5df1c83f56886566e517f196657cc1b73de89ab84ce503fd634e2f2af88fde24c63ca536dc3a5eed2665a315301330110603551d110101ff040730058103e2889e300a06082a8648ce3d0403020349003046022100ed1431cd4b9bb03d88d1511a0ec128a51204375764c716280dc36e2a60142c8902210088c96d25cfaf97eea851ff17d87bb6fe619d6546656e1739f35c3566051c3d0f",
3164 expectedError: "x509: SAN rfc822Name is malformed",
3165 },
3166 {
3167 name: "unmarshal: unicode uniformResourceIdentifier",
3168 cert: "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",
3169 expectedError: "x509: SAN uniformResourceIdentifier is malformed",
3170 },
3171 }
3172
3173 for _, tc := range unmarshalTests {
3174 der, err := hex.DecodeString(tc.cert)
3175 if err != nil {
3176 t.Fatalf("failed to decode test cert: %s", err)
3177 }
3178 _, err = ParseCertificate(der)
3179 if err == nil {
3180 t.Error("expected CreateCertificate to fail")
3181 } else if err.Error() != tc.expectedError {
3182 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3183 }
3184 }
3185 }
3186
3187 func BenchmarkCreateCertificate(b *testing.B) {
3188 template := &Certificate{
3189 SerialNumber: big.NewInt(10),
3190 DNSNames: []string{"example.com"},
3191 }
3192 tests := []struct {
3193 name string
3194 gen func() crypto.Signer
3195 }{
3196 {
3197 name: "RSA 2048",
3198 gen: func() crypto.Signer {
3199 k, err := rsa.GenerateKey(rand.Reader, 2048)
3200 if err != nil {
3201 b.Fatalf("failed to generate test key: %s", err)
3202 }
3203 return k
3204 },
3205 },
3206 {
3207 name: "ECDSA P256",
3208 gen: func() crypto.Signer {
3209 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3210 if err != nil {
3211 b.Fatalf("failed to generate test key: %s", err)
3212 }
3213 return k
3214 },
3215 },
3216 }
3217
3218 for _, tc := range tests {
3219 k := tc.gen()
3220 b.ResetTimer()
3221 b.Run(tc.name, func(b *testing.B) {
3222 for i := 0; i < b.N; i++ {
3223 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k)
3224 if err != nil {
3225 b.Fatalf("failed to create certificate: %s", err)
3226 }
3227 }
3228 })
3229 }
3230 }
3231
3232 type brokenSigner struct {
3233 pub crypto.PublicKey
3234 }
3235
3236 func (bs *brokenSigner) Public() crypto.PublicKey {
3237 return bs.pub
3238 }
3239
3240 func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) {
3241 return []byte{1, 2, 3}, nil
3242 }
3243
3244 func TestCreateCertificateBrokenSigner(t *testing.T) {
3245 template := &Certificate{
3246 SerialNumber: big.NewInt(10),
3247 DNSNames: []string{"example.com"},
3248 }
3249 expectedErr := "signature returned by signer is invalid"
3250 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3251 if err == nil {
3252 t.Fatal("expected CreateCertificate to fail with a broken signer")
3253 } else if !strings.Contains(err.Error(), expectedErr) {
3254 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr)
3255 }
3256 }
3257
3258 func TestCreateCertificateLegacy(t *testing.T) {
3259 sigAlg := MD5WithRSA
3260 template := &Certificate{
3261 SerialNumber: big.NewInt(10),
3262 DNSNames: []string{"example.com"},
3263 SignatureAlgorithm: sigAlg,
3264 }
3265 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3266 if err == nil {
3267 t.Fatal("CreateCertificate didn't fail when SignatureAlgorithm = MD5WithRSA")
3268 }
3269 }
3270
3271 func (s *CertPool) mustCert(t *testing.T, n int) *Certificate {
3272 c, err := s.lazyCerts[n].getCert()
3273 if err != nil {
3274 t.Fatalf("failed to load cert %d: %v", n, err)
3275 }
3276 return c
3277 }
3278
3279 func allCerts(t *testing.T, p *CertPool) []*Certificate {
3280 all := make([]*Certificate, p.len())
3281 for i := range all {
3282 all[i] = p.mustCert(t, i)
3283 }
3284 return all
3285 }
3286
3287
3288
3289 func certPoolEqual(a, b *CertPool) bool {
3290 if (a != nil) != (b != nil) {
3291 return false
3292 }
3293 if a == nil {
3294 return true
3295 }
3296 if !reflect.DeepEqual(a.byName, b.byName) ||
3297 len(a.lazyCerts) != len(b.lazyCerts) {
3298 return false
3299 }
3300 for i := range a.lazyCerts {
3301 la, lb := a.lazyCerts[i], b.lazyCerts[i]
3302 if !bytes.Equal(la.rawSubject, lb.rawSubject) {
3303 return false
3304 }
3305 ca, err := la.getCert()
3306 if err != nil {
3307 panic(err)
3308 }
3309 cb, err := la.getCert()
3310 if err != nil {
3311 panic(err)
3312 }
3313 if !ca.Equal(cb) {
3314 return false
3315 }
3316 }
3317
3318 return true
3319 }
3320
3321 func TestCertificateRequestRoundtripFields(t *testing.T) {
3322 urlA, err := url.Parse("https://example.com/_")
3323 if err != nil {
3324 t.Fatal(err)
3325 }
3326 urlB, err := url.Parse("https://example.org/_")
3327 if err != nil {
3328 t.Fatal(err)
3329 }
3330 in := &CertificateRequest{
3331 DNSNames: []string{"example.com", "example.org"},
3332 EmailAddresses: []string{"a@example.com", "b@example.com"},
3333 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback},
3334 URIs: []*url.URL{urlA, urlB},
3335 }
3336 out := marshalAndParseCSR(t, in)
3337
3338 if !slices.Equal(in.DNSNames, out.DNSNames) {
3339 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames)
3340 }
3341 if !slices.Equal(in.EmailAddresses, out.EmailAddresses) {
3342 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses)
3343 }
3344 if len(in.IPAddresses) != len(out.IPAddresses) ||
3345 !in.IPAddresses[0].Equal(out.IPAddresses[0]) ||
3346 !in.IPAddresses[1].Equal(out.IPAddresses[1]) {
3347 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses)
3348 }
3349 if !reflect.DeepEqual(in.URIs, out.URIs) {
3350 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs)
3351 }
3352 }
3353
3354 func BenchmarkParseCertificate(b *testing.B) {
3355 cases := []struct {
3356 name string
3357 pem string
3358 }{
3359 {
3360 name: "ecdsa leaf",
3361 pem: `-----BEGIN CERTIFICATE-----
3362 MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG
3363 MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
3364 QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw
3365 OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG
3366 SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF
3367 kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC
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3369 6SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU
3370 83E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w
3371 a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv
3372 L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t
3373 gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k
3374 ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t
3375 ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j
3376 b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j
3377 boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl
3378 LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv
3379 LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu
3380 Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n
3381 bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds
3382 ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n
3383 b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw
3384 aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv
3385 b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j
3386 boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t
3387 ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t
3388 ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1
3389 YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp
3390 b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C
3391 GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv
3392 cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl
3393 LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds
3394 ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv
3395 b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo
3396 aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1
3397 YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa
3398 MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0
3399 cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB
3400 Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro
3401 gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb
3402 j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr
3403 GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8
3404 DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3
3405 svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx
3406 -----END CERTIFICATE-----`,
3407 },
3408 {
3409 name: "rsa leaf",
3410 pem: `-----BEGIN CERTIFICATE-----
3411 MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw
3412 QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET
3413 MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2
3414 MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH
3415 Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq
3416 Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0
3417 UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h
3418 KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/
3419 n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De
3420 6h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE
3421 fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia
3422 OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l
3423 BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB
3424 k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI
3425 KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n
3426 dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx
3427 TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk
3428 LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk
3429 Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t
3430 cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou
3431 Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n
3432 a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh
3433 ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q
3434 Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC
3435 DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u
3436 bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k
3437 ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n
3438 bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou
3439 Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw
3440 cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq
3441 LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK
3442 Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou
3443 dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j
3444 boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0
3445 dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou
3446 eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j
3447 b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy
3448 b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v
3449 LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h
3450 cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds
3451 ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu
3452 Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i
3453 ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow
3454 KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB
3455 BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM
3456 4WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B
3457 QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1
3458 /65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS
3459 U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n
3460 YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr
3461 Qc4=
3462 -----END CERTIFICATE-----`,
3463 },
3464 }
3465 for _, c := range cases {
3466 b.Run(c.name, func(b *testing.B) {
3467 pemBlock, _ := pem.Decode([]byte(c.pem))
3468 b.ReportAllocs()
3469 b.ResetTimer()
3470 for i := 0; i < b.N; i++ {
3471 _, err := ParseCertificate(pemBlock.Bytes)
3472 if err != nil {
3473 b.Fatal(err)
3474 }
3475 }
3476 })
3477 }
3478 }
3479
3480 func TestParseCertificateRawEquals(t *testing.T) {
3481 p, _ := pem.Decode([]byte(pemCertificate))
3482 cert, err := ParseCertificate(p.Bytes)
3483 if err != nil {
3484 t.Fatalf("failed to parse certificate: %s", err)
3485 }
3486 if !bytes.Equal(p.Bytes, cert.Raw) {
3487 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes)
3488 }
3489 }
3490
3491
3492
3493
3494 const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE-----
3495 MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3496 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3497 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3498 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD
3499 AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q
3500 tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn
3501 -----END CERTIFICATE-----`
3502
3503
3504
3505
3506 const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE-----
3507 MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3508 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3509 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3510 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD
3511 AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi
3512 f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc=
3513 -----END CERTIFICATE-----`
3514
3515 func TestSigAlgMismatch(t *testing.T) {
3516 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} {
3517 b, _ := pem.Decode([]byte(certPEM))
3518 if b == nil {
3519 t.Fatalf("couldn't decode test certificate")
3520 }
3521 _, err := ParseCertificate(b.Bytes)
3522 if err == nil {
3523 t.Fatalf("expected ParseCertificate to fail")
3524 }
3525 expected := "x509: inner and outer signature algorithm identifiers don't match"
3526 if err.Error() != expected {
3527 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected)
3528 }
3529 }
3530 }
3531
3532 const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE-----
3533 MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh
3534 bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu
3535 Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g
3536 QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe
3537 BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX
3538 DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs
3539 ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy
3540 IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A
3541 MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7
3542 JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n
3543 WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4
3544 uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N
3545 rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v
3546 1vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/
3547 X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD
3548 VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD
3549 ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp
3550 ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j
3551 b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB
3552 Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j
3553 c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl
3554 cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js
3555 MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm
3556 aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD
3557 AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr
3558 mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So
3559 GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV
3560 FxdzPcwl
3561 -----END CERTIFICATE-----`
3562
3563 func TestAuthKeyIdOptional(t *testing.T) {
3564 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM))
3565 if b == nil {
3566 t.Fatalf("couldn't decode test certificate")
3567 }
3568 _, err := ParseCertificate(b.Bytes)
3569 if err != nil {
3570 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err)
3571 }
3572 }
3573
3574 const largeOIDPEM = `
3575 Certificate:
3576 Data:
3577 Version: 3 (0x2)
3578 Serial Number:
3579 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02
3580 Signature Algorithm: sha256WithRSAEncryption
3581 Issuer: O = Acme Co
3582 Validity
3583 Not Before: Dec 21 16:59:27 2021 GMT
3584 Not After : Dec 21 16:59:27 2022 GMT
3585 Subject: O = Acme Co
3586 Subject Public Key Info:
3587 Public Key Algorithm: rsaEncryption
3588 RSA Public-Key: (2048 bit)
3589 Modulus:
3590 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78:
3591 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14:
3592 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69:
3593 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c:
3594 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc:
3595 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb:
3596 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb:
3597 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f:
3598 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21:
3599 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94:
3600 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4:
3601 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa:
3602 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58:
3603 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d:
3604 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17:
3605 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21:
3606 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a:
3607 c6:bf
3608 Exponent: 65537 (0x10001)
3609 X509v3 extensions:
3610 X509v3 Key Usage: critical
3611 Digital Signature, Key Encipherment
3612 X509v3 Extended Key Usage:
3613 TLS Web Server Authentication
3614 X509v3 Basic Constraints: critical
3615 CA:FALSE
3616 X509v3 Subject Alternative Name:
3617 DNS:longOID.example
3618 X509v3 Certificate Policies:
3619 Policy: 1.3.6.1.4.1.311.21.8.1492336001
3620
3621 Signature Algorithm: sha256WithRSAEncryption
3622 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79:
3623 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c:
3624 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31:
3625 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe:
3626 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae:
3627 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c:
3628 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06:
3629 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3:
3630 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07:
3631 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80:
3632 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43:
3633 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72:
3634 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8:
3635 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f:
3636 a6:ba:88:6c
3637 -----BEGIN CERTIFICATE-----
3638 MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw
3639 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5
3640 MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
3641 ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR
3642 6FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ
3643 y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx
3644 OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi
3645 IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI
3646 E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF
3647 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC
3648 D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G
3649 CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U
3650 dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr
3651 WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX
3652 0E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr
3653 CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH
3654 Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs
3655 -----END CERTIFICATE-----`
3656
3657 func TestLargeOID(t *testing.T) {
3658
3659 b, _ := pem.Decode([]byte(largeOIDPEM))
3660 if b == nil {
3661 t.Fatalf("couldn't decode test certificate")
3662 }
3663 _, err := ParseCertificate(b.Bytes)
3664 if err != nil {
3665 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err)
3666 }
3667 }
3668
3669 const uniqueIDPEM = `-----BEGIN CERTIFICATE-----
3670 MIIFsDCCBJigAwIBAgIILOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG
3671 A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA
3672 VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA
3673 dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx
3674 ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI
3675 EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl
3676 aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV
3677 BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB
3678 AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4
3679 PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp
3680 4iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf
3681 gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU
3682 BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX
3683 Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo
3684 cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y
3685 dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz
3686 Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl
3687 bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP
3688 aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl
3689 AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT
3690 BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF
3691 6xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv
3692 AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT
3693 ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv
3694 AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD
3695 ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG
3696 Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ
3697 eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ
3698 WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5
3699 TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt
3700 yYLwhUhg3PX5Co1VKYE+9TxloiE=
3701 -----END CERTIFICATE-----`
3702
3703 func TestParseUniqueID(t *testing.T) {
3704 b, _ := pem.Decode([]byte(uniqueIDPEM))
3705 if b == nil {
3706 t.Fatalf("couldn't decode test certificate")
3707 }
3708 cert, err := ParseCertificate(b.Bytes)
3709 if err != nil {
3710 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err)
3711 }
3712 if len(cert.Extensions) != 7 {
3713 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions))
3714 }
3715 }
3716
3717 func TestDisableSHA1ForCertOnly(t *testing.T) {
3718 t.Setenv("GODEBUG", "")
3719
3720 tmpl := &Certificate{
3721 SerialNumber: big.NewInt(1),
3722 NotBefore: time.Now().Add(-time.Hour),
3723 NotAfter: time.Now().Add(time.Hour),
3724 SignatureAlgorithm: SHA1WithRSA,
3725 BasicConstraintsValid: true,
3726 IsCA: true,
3727 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign,
3728 }
3729 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey)
3730 if err != nil {
3731 t.Fatalf("failed to generate test cert: %s", err)
3732 }
3733 cert, err := ParseCertificate(certDER)
3734 if err != nil {
3735 t.Fatalf("failed to parse test cert: %s", err)
3736 }
3737
3738 err = cert.CheckSignatureFrom(cert)
3739 if err == nil {
3740 t.Error("expected CheckSignatureFrom to fail")
3741 } else if _, ok := err.(InsecureAlgorithmError); !ok {
3742 t.Errorf("expected InsecureAlgorithmError error, got %T", err)
3743 }
3744
3745 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{
3746 SignatureAlgorithm: SHA1WithRSA,
3747 Number: big.NewInt(1),
3748 ThisUpdate: time.Now().Add(-time.Hour),
3749 NextUpdate: time.Now().Add(time.Hour),
3750 }, cert, rsaPrivateKey)
3751 if err != nil {
3752 t.Fatalf("failed to generate test CRL: %s", err)
3753 }
3754 crl, err := ParseRevocationList(crlDER)
3755 if err != nil {
3756 t.Fatalf("failed to parse test CRL: %s", err)
3757 }
3758
3759 if err = crl.CheckSignatureFrom(cert); err != nil {
3760 t.Errorf("unexpected error: %s", err)
3761 }
3762
3763
3764
3765
3766 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a"
3767 ocspTBS, err := hex.DecodeString(ocspTBSHex)
3768 if err != nil {
3769 t.Fatalf("failed to decode OCSP response TBS hex: %s", err)
3770 }
3771
3772 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil)
3773 if err != rsa.ErrVerification {
3774 t.Errorf("unexpected error: %s", err)
3775 }
3776 }
3777
3778 func TestParseRevocationList(t *testing.T) {
3779 derBytes := fromBase64(derCRLBase64)
3780 certList, err := ParseRevocationList(derBytes)
3781 if err != nil {
3782 t.Errorf("error parsing: %s", err)
3783 return
3784 }
3785 numCerts := len(certList.RevokedCertificateEntries)
3786 numCertsDeprecated := len(certList.RevokedCertificateEntries)
3787 expected := 88
3788 if numCerts != expected || numCertsDeprecated != expected {
3789 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
3790 }
3791 }
3792
3793 func TestRevocationListCheckSignatureFrom(t *testing.T) {
3794 goodKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3795 if err != nil {
3796 t.Fatalf("failed to generate test key: %s", err)
3797 }
3798 badKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3799 if err != nil {
3800 t.Fatalf("failed to generate test key: %s", err)
3801 }
3802 tests := []struct {
3803 name string
3804 issuer *Certificate
3805 err string
3806 }{
3807 {
3808 name: "valid",
3809 issuer: &Certificate{
3810 Version: 3,
3811 BasicConstraintsValid: true,
3812 IsCA: true,
3813 PublicKeyAlgorithm: ECDSA,
3814 PublicKey: goodKey.Public(),
3815 },
3816 },
3817 {
3818 name: "valid, key usage set",
3819 issuer: &Certificate{
3820 Version: 3,
3821 BasicConstraintsValid: true,
3822 IsCA: true,
3823 PublicKeyAlgorithm: ECDSA,
3824 PublicKey: goodKey.Public(),
3825 KeyUsage: KeyUsageCRLSign,
3826 },
3827 },
3828 {
3829 name: "invalid issuer, wrong key usage",
3830 issuer: &Certificate{
3831 Version: 3,
3832 BasicConstraintsValid: true,
3833 IsCA: true,
3834 PublicKeyAlgorithm: ECDSA,
3835 PublicKey: goodKey.Public(),
3836 KeyUsage: KeyUsageCertSign,
3837 },
3838 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3839 },
3840 {
3841 name: "invalid issuer, no basic constraints/ca",
3842 issuer: &Certificate{
3843 Version: 3,
3844 PublicKeyAlgorithm: ECDSA,
3845 PublicKey: goodKey.Public(),
3846 },
3847 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3848 },
3849 {
3850 name: "invalid issuer, unsupported public key type",
3851 issuer: &Certificate{
3852 Version: 3,
3853 BasicConstraintsValid: true,
3854 IsCA: true,
3855 PublicKeyAlgorithm: UnknownPublicKeyAlgorithm,
3856 PublicKey: goodKey.Public(),
3857 },
3858 err: "x509: cannot verify signature: algorithm unimplemented",
3859 },
3860 {
3861 name: "wrong key",
3862 issuer: &Certificate{
3863 Version: 3,
3864 BasicConstraintsValid: true,
3865 IsCA: true,
3866 PublicKeyAlgorithm: ECDSA,
3867 PublicKey: badKey.Public(),
3868 },
3869 err: "x509: ECDSA verification failure",
3870 },
3871 }
3872
3873 crlIssuer := &Certificate{
3874 BasicConstraintsValid: true,
3875 IsCA: true,
3876 PublicKeyAlgorithm: ECDSA,
3877 PublicKey: goodKey.Public(),
3878 KeyUsage: KeyUsageCRLSign,
3879 SubjectKeyId: []byte{1, 2, 3},
3880 }
3881 for _, tc := range tests {
3882 t.Run(tc.name, func(t *testing.T) {
3883 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{Number: big.NewInt(1)}, crlIssuer, goodKey)
3884 if err != nil {
3885 t.Fatalf("failed to generate CRL: %s", err)
3886 }
3887 crl, err := ParseRevocationList(crlDER)
3888 if err != nil {
3889 t.Fatalf("failed to parse test CRL: %s", err)
3890 }
3891 err = crl.CheckSignatureFrom(tc.issuer)
3892 if err != nil && err.Error() != tc.err {
3893 t.Errorf("unexpected error: got %s, want %s", err, tc.err)
3894 } else if err == nil && tc.err != "" {
3895 t.Errorf("CheckSignatureFrom did not fail: want %s", tc.err)
3896 }
3897 })
3898 }
3899 }
3900
3901 func TestOmitEmptyExtensions(t *testing.T) {
3902 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3903 if err != nil {
3904 t.Fatal(err)
3905 }
3906 tmpl := &Certificate{
3907 SerialNumber: big.NewInt(1),
3908 Subject: pkix.Name{
3909 CommonName: ":)",
3910 },
3911 NotAfter: time.Now().Add(time.Hour),
3912 NotBefore: time.Now().Add(-time.Hour),
3913 }
3914 der, err := CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3915 if err != nil {
3916 t.Fatal(err)
3917 }
3918
3919 emptyExtSeq := []byte{0xA3, 0x02, 0x30, 0x00}
3920 if bytes.Contains(der, emptyExtSeq) {
3921 t.Error("DER encoding contains the an empty extensions SEQUENCE")
3922 }
3923 }
3924
3925 var negativeSerialCert = `-----BEGIN CERTIFICATE-----
3926 MIIBBTCBraADAgECAgH/MAoGCCqGSM49BAMCMA0xCzAJBgNVBAMTAjopMB4XDTIy
3927 MDQxNDIzNTYwNFoXDTIyMDQxNTAxNTYwNFowDTELMAkGA1UEAxMCOikwWTATBgcq
3928 hkjOPQIBBggqhkjOPQMBBwNCAAQ9ezsIsj+q17K87z/PXE/rfGRN72P/Wyn5d6oo
3929 5M0ZbSatuntMvfKdX79CQxXAxN4oXk3Aov4jVSG12AcDI8ShMAoGCCqGSM49BAMC
3930 A0cAMEQCIBzfBU5eMPT6m5lsR6cXaJILpAaiD9YxOl4v6dT3rzEjAiBHmjnHmAss
3931 RqUAyJKFzqZxOlK2q4j2IYnuj5+LrLGbQA==
3932 -----END CERTIFICATE-----`
3933
3934 func TestParseNegativeSerial(t *testing.T) {
3935 pemBlock, _ := pem.Decode([]byte(negativeSerialCert))
3936 _, err := ParseCertificate(pemBlock.Bytes)
3937 if err == nil {
3938 t.Fatal("parsed certificate with negative serial")
3939 }
3940 }
3941
3942 func TestCreateNegativeSerial(t *testing.T) {
3943 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3944 if err != nil {
3945 t.Fatal(err)
3946 }
3947 tmpl := &Certificate{
3948 SerialNumber: big.NewInt(-1),
3949 Subject: pkix.Name{
3950 CommonName: ":)",
3951 },
3952 NotAfter: time.Now().Add(time.Hour),
3953 NotBefore: time.Now().Add(-time.Hour),
3954 }
3955 expectedErr := "x509: serial number must be positive"
3956 _, err = CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3957 if err == nil || err.Error() != expectedErr {
3958 t.Errorf("CreateCertificate returned unexpected error: want %q, got %q", expectedErr, err)
3959 }
3960 }
3961
3962 const dupExtCert = `-----BEGIN CERTIFICATE-----
3963 MIIBrjCCARegAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwR0ZXN0
3964 MCIYDzAwMDEwMTAxMDAwMDAwWhgPMDAwMTAxMDEwMDAwMDBaMA8xDTALBgNVBAMT
3965 BHRlc3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMiFchnHms9l9NninAIz
3966 SkY9acwl9Bk2AtmJrNCenFpiA17AcOO5q8DJYwdXi6WPKlVgcyH+ysW8XMWkq+CP
3967 yhtF/+LMzl9odaUF2iUy3vgTC5gxGLWH5URVssx21Und2Pm2f4xyou5IVxbS9dxy
3968 jLvV9PEY9BIb0H+zFthjhihDAgMBAAGjFjAUMAgGAioDBAIFADAIBgIqAwQCBQAw
3969 DQYJKoZIhvcNAQELBQADgYEAlhQ4TQQKIQ8GUyzGiN/75TCtQtjhMGemxc0cNgre
3970 d9rmm4DjydH0t7/sMCB56lQrfhJNplguzsbjFW4l245KbNKHfLiqwEGUgZjBNKur
3971 ot6qX/skahLtt0CNOaFIge75HVKe/69OrWQGdp18dkay/KS4Glu8YMKIjOhfrUi1
3972 NZA=
3973 -----END CERTIFICATE-----`
3974
3975 func TestDuplicateExtensionsCert(t *testing.T) {
3976 b, _ := pem.Decode([]byte(dupExtCert))
3977 if b == nil {
3978 t.Fatalf("couldn't decode test certificate")
3979 }
3980 _, err := ParseCertificate(b.Bytes)
3981 if err == nil {
3982 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions")
3983 }
3984 }
3985
3986 const dupExtCSR = `-----BEGIN CERTIFICATE REQUEST-----
3987 MIIBczCB3QIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
3988 ADCBiQKBgQC5PbxMGVJ8aLF9lq/EvGObXTRMB7ieiZL9N+DJZg1n/ECCnZLIvYrr
3989 ZmmDV7YZsClgxKGfjJB0RQFFyZElFM9EfHEs8NJdidDKCRdIhDXQWRyhXKevHvdm
3990 CQNKzUeoxvdHpU/uscSkw6BgUzPyLyTx9A6ye2ix94z8Y9hGOBO2DQIDAQABoCUw
3991 IwYJKoZIhvcNAQkOMRYwFDAIBgIqAwQCBQAwCAYCKgMEAgUAMA0GCSqGSIb3DQEB
3992 CwUAA4GBAHROEsE7URk1knXmBnQtIHwoq663vlMcX3Hes58pUy020rWP8QkocA+X
3993 VF18/phg3p5ILlS4fcbbP2bEeV0pePo2k00FDPsJEKCBAX2LKxbU7Vp2OuV2HM2+
3994 VLOVx0i+/Q7fikp3hbN1JwuMTU0v2KL/IKoUcZc02+5xiYrnOIt5
3995 -----END CERTIFICATE REQUEST-----`
3996
3997 func TestDuplicateExtensionsCSR(t *testing.T) {
3998 b, _ := pem.Decode([]byte(dupExtCSR))
3999 if b == nil {
4000 t.Fatalf("couldn't decode test CSR")
4001 }
4002 _, err := ParseCertificateRequest(b.Bytes)
4003 if err == nil {
4004 t.Fatal("ParseCertificateRequest should fail when parsing CSR with duplicate extensions")
4005 }
4006 }
4007
4008 const dupAttCSR = `-----BEGIN CERTIFICATE REQUEST-----
4009 MIIBbDCB1gIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
4010 ADCBiQKBgQCj5Po3PKO/JNuxr+B+WNfMIzqqYztdlv+mTQhT0jOR5rTkUvxeeHH8
4011 YclryES2dOISjaUOTmOAr5GQIIdQl4Ql33Cp7ZR/VWcRn+qvTak0Yow+xVsDo0n4
4012 7IcvvP6CJ7FRoYBUakVczeXLxCjLwdyK16VGJM06eRzDLykPxpPwLQIDAQABoB4w
4013 DQYCKgMxBwwFdGVzdDEwDQYCKgMxBwwFdGVzdDIwDQYJKoZIhvcNAQELBQADgYEA
4014 UJ8hsHxtnIeqb2ufHnQFJO+wEJhx2Uxm/BTuzHOeffuQkwATez4skZ7SlX9exgb7
4015 6jRMRilqb4F7f8w+uDoqxRrA9zc8mwY16zPsyBhRet+ZGbj/ilgvGmtZ21qZZ/FU
4016 0pJFJIVLM3l49Onr5uIt5+hCWKwHlgE0nGpjKLR3cMg=
4017 -----END CERTIFICATE REQUEST-----`
4018
4019 func TestDuplicateAttributesCSR(t *testing.T) {
4020 b, _ := pem.Decode([]byte(dupAttCSR))
4021 if b == nil {
4022 t.Fatalf("couldn't decode test CSR")
4023 }
4024 _, err := ParseCertificateRequest(b.Bytes)
4025 if err != nil {
4026 t.Fatal("ParseCertificateRequest should succeed when parsing CSR with duplicate attributes")
4027 }
4028 }
4029
4030 func TestCertificateOIDPoliciesGODEBUG(t *testing.T) {
4031 t.Setenv("GODEBUG", "x509usepolicies=0")
4032
4033 template := Certificate{
4034 SerialNumber: big.NewInt(1),
4035 Subject: pkix.Name{CommonName: "Cert"},
4036 NotBefore: time.Unix(1000, 0),
4037 NotAfter: time.Unix(100000, 0),
4038 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
4039 }
4040
4041 var expectPolicyIdentifiers = []asn1.ObjectIdentifier{
4042 []int{1, 2, 3},
4043 }
4044
4045 var expectPolicies = []OID{
4046 mustNewOIDFromInts([]uint64{1, 2, 3}),
4047 }
4048
4049 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4050 if err != nil {
4051 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4052 }
4053
4054 cert, err := ParseCertificate(certDER)
4055 if err != nil {
4056 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4057 }
4058
4059 if !slices.EqualFunc(cert.PolicyIdentifiers, expectPolicyIdentifiers, slices.Equal) {
4060 t.Errorf("cert.PolicyIdentifiers = %v, want: %v", cert.PolicyIdentifiers, expectPolicyIdentifiers)
4061 }
4062
4063 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4064 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4065 }
4066 }
4067
4068 func TestCertificatePolicies(t *testing.T) {
4069 if x509usepolicies.Value() == "0" {
4070 t.Skip("test relies on default x509usepolicies GODEBUG")
4071 }
4072
4073 template := Certificate{
4074 SerialNumber: big.NewInt(1),
4075 Subject: pkix.Name{CommonName: "Cert"},
4076 NotBefore: time.Unix(1000, 0),
4077 NotAfter: time.Unix(100000, 0),
4078 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
4079 Policies: []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})},
4080 }
4081
4082 expectPolicies := []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})}
4083 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4084 if err != nil {
4085 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4086 }
4087
4088 cert, err := ParseCertificate(certDER)
4089 if err != nil {
4090 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4091 }
4092
4093 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4094 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4095 }
4096
4097 t.Setenv("GODEBUG", "x509usepolicies=1")
4098 expectPolicies = []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})}
4099
4100 certDER, err = CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4101 if err != nil {
4102 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4103 }
4104
4105 cert, err = ParseCertificate(certDER)
4106 if err != nil {
4107 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4108 }
4109
4110 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4111 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4112 }
4113 }
4114
4115 func TestGob(t *testing.T) {
4116
4117
4118 cert := new(Certificate)
4119 err := gob.NewEncoder(io.Discard).Encode(cert)
4120 if err != nil {
4121 t.Fatal(err)
4122 }
4123 }
4124
4125 func TestRejectCriticalAKI(t *testing.T) {
4126 template := Certificate{
4127 SerialNumber: big.NewInt(1),
4128 Subject: pkix.Name{CommonName: "Cert"},
4129 NotBefore: time.Unix(1000, 0),
4130 NotAfter: time.Unix(100000, 0),
4131 ExtraExtensions: []pkix.Extension{
4132 {
4133 Id: asn1.ObjectIdentifier{2, 5, 29, 35},
4134 Critical: true,
4135 Value: []byte{1, 2, 3},
4136 },
4137 },
4138 }
4139 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4140 if err != nil {
4141 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4142 }
4143 expectedErr := "x509: authority key identifier incorrectly marked critical"
4144 _, err = ParseCertificate(certDER)
4145 if err == nil || err.Error() != expectedErr {
4146 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4147 }
4148 }
4149
4150 func TestRejectCriticalAIA(t *testing.T) {
4151 template := Certificate{
4152 SerialNumber: big.NewInt(1),
4153 Subject: pkix.Name{CommonName: "Cert"},
4154 NotBefore: time.Unix(1000, 0),
4155 NotAfter: time.Unix(100000, 0),
4156 ExtraExtensions: []pkix.Extension{
4157 {
4158 Id: asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 1},
4159 Critical: true,
4160 Value: []byte{1, 2, 3},
4161 },
4162 },
4163 }
4164 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4165 if err != nil {
4166 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4167 }
4168 expectedErr := "x509: authority info access incorrectly marked critical"
4169 _, err = ParseCertificate(certDER)
4170 if err == nil || err.Error() != expectedErr {
4171 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4172 }
4173 }
4174
4175 func TestRejectCriticalSKI(t *testing.T) {
4176 template := Certificate{
4177 SerialNumber: big.NewInt(1),
4178 Subject: pkix.Name{CommonName: "Cert"},
4179 NotBefore: time.Unix(1000, 0),
4180 NotAfter: time.Unix(100000, 0),
4181 ExtraExtensions: []pkix.Extension{
4182 {
4183 Id: asn1.ObjectIdentifier{2, 5, 29, 14},
4184 Critical: true,
4185 Value: []byte{1, 2, 3},
4186 },
4187 },
4188 }
4189 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4190 if err != nil {
4191 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4192 }
4193 expectedErr := "x509: subject key identifier incorrectly marked critical"
4194 _, err = ParseCertificate(certDER)
4195 if err == nil || err.Error() != expectedErr {
4196 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4197 }
4198 }
4199
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