Source file
src/crypto/x509/x509_test.go
1
2
3
4
5 package x509
6
7 import (
8 "bytes"
9 "crypto"
10 "crypto/dsa"
11 "crypto/ecdh"
12 "crypto/ecdsa"
13 "crypto/ed25519"
14 "crypto/elliptic"
15 "crypto/rand"
16 "crypto/rsa"
17 _ "crypto/sha256"
18 _ "crypto/sha512"
19 "crypto/x509/pkix"
20 "encoding/asn1"
21 "encoding/base64"
22 "encoding/gob"
23 "encoding/hex"
24 "encoding/pem"
25 "errors"
26 "fmt"
27 "internal/testenv"
28 "io"
29 "math"
30 "math/big"
31 "net"
32 "net/url"
33 "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 = "30820122300d06092a864886f70d01010105000382010f003082010a0282010100dd5a0f37d3ca5232852ccc0e81eebec270e2f2c6c44c6231d852971a0aad00aa7399e9b9de444611083c59ea919a9d76c20a7be131a99045ec19a7bb452d647a72429e66b87e28be9e8187ed1d2a2a01ef3eb2360706bd873b07f2d1f1a72337aab5ec94e983e39107f52c480d404915e84d75a3db2cfd601726a128cb1d7f11492d4bdb53272e652276667220795c709b8a9b4af6489cbf48bb8173b8fb607c834a71b6e8bf2d6aab82af3c8ad7ce16d8dcf58373a6edc427f7484d09744d4c08f4e19ed07adbf6cb31243bc5d0d1145e77a08a6fc5efd208eca67d6abf2d6f38f58b6fdd7c28774fb0cc03fc4935c6e074842d2e1479d3d8787249258719f90203010001"
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 if out, err := testenv.Command(t, testenv.GoToolPath(t), "run", "x509_test_import.go").CombinedOutput(); err != nil {
1464 t.Errorf("failed to run x509_test_import.go: %s\n%s", err, out)
1465 }
1466 }
1467
1468 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="
1469
1470 const pemCRLBase64 = "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"
1471
1472 func TestCreateCertificateRequest(t *testing.T) {
1473 random := rand.Reader
1474
1475 ecdsa256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
1476 if err != nil {
1477 t.Fatalf("Failed to generate ECDSA key: %s", err)
1478 }
1479
1480 ecdsa384Priv, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
1481 if err != nil {
1482 t.Fatalf("Failed to generate ECDSA key: %s", err)
1483 }
1484
1485 ecdsa521Priv, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
1486 if err != nil {
1487 t.Fatalf("Failed to generate ECDSA key: %s", err)
1488 }
1489
1490 _, ed25519Priv, err := ed25519.GenerateKey(random)
1491 if err != nil {
1492 t.Fatalf("Failed to generate Ed25519 key: %s", err)
1493 }
1494
1495 tests := []struct {
1496 name string
1497 priv any
1498 sigAlgo SignatureAlgorithm
1499 }{
1500 {"RSA", testPrivateKey, SHA256WithRSA},
1501 {"RSA-PSS-SHA256", testPrivateKey, SHA256WithRSAPSS},
1502 {"ECDSA-256", ecdsa256Priv, ECDSAWithSHA256},
1503 {"ECDSA-384", ecdsa384Priv, ECDSAWithSHA256},
1504 {"ECDSA-521", ecdsa521Priv, ECDSAWithSHA256},
1505 {"Ed25519", ed25519Priv, PureEd25519},
1506 }
1507
1508 for _, test := range tests {
1509 template := CertificateRequest{
1510 Subject: pkix.Name{
1511 CommonName: "test.example.com",
1512 Organization: []string{"Σ Acme Co"},
1513 },
1514 SignatureAlgorithm: test.sigAlgo,
1515 DNSNames: []string{"test.example.com"},
1516 EmailAddresses: []string{"gopher@golang.org"},
1517 IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1).To4(), net.ParseIP("2001:4860:0:2001::68")},
1518 }
1519
1520 derBytes, err := CreateCertificateRequest(random, &template, test.priv)
1521 if err != nil {
1522 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1523 continue
1524 }
1525
1526 out, err := ParseCertificateRequest(derBytes)
1527 if err != nil {
1528 t.Errorf("%s: failed to create certificate request: %s", test.name, err)
1529 continue
1530 }
1531
1532 err = out.CheckSignature()
1533 if err != nil {
1534 t.Errorf("%s: failed to check certificate request signature: %s", test.name, err)
1535 continue
1536 }
1537
1538 if out.Subject.CommonName != template.Subject.CommonName {
1539 t.Errorf("%s: output subject common name and template subject common name don't match", test.name)
1540 } else if len(out.Subject.Organization) != len(template.Subject.Organization) {
1541 t.Errorf("%s: output subject organisation and template subject organisation don't match", test.name)
1542 } else if len(out.DNSNames) != len(template.DNSNames) {
1543 t.Errorf("%s: output DNS names and template DNS names don't match", test.name)
1544 } else if len(out.EmailAddresses) != len(template.EmailAddresses) {
1545 t.Errorf("%s: output email addresses and template email addresses don't match", test.name)
1546 } else if len(out.IPAddresses) != len(template.IPAddresses) {
1547 t.Errorf("%s: output IP addresses and template IP addresses names don't match", test.name)
1548 }
1549 }
1550 }
1551
1552 func marshalAndParseCSR(t *testing.T, template *CertificateRequest) *CertificateRequest {
1553 t.Helper()
1554 derBytes, err := CreateCertificateRequest(rand.Reader, template, testPrivateKey)
1555 if err != nil {
1556 t.Fatal(err)
1557 }
1558
1559 csr, err := ParseCertificateRequest(derBytes)
1560 if err != nil {
1561 t.Fatal(err)
1562 }
1563
1564 return csr
1565 }
1566
1567 func TestCertificateRequestOverrides(t *testing.T) {
1568 sanContents, err := marshalSANs([]string{"foo.example.com"}, nil, nil, nil)
1569 if err != nil {
1570 t.Fatal(err)
1571 }
1572
1573 template := CertificateRequest{
1574 Subject: pkix.Name{
1575 CommonName: "test.example.com",
1576 Organization: []string{"Σ Acme Co"},
1577 },
1578 DNSNames: []string{"test.example.com"},
1579
1580
1581
1582 ExtraExtensions: []pkix.Extension{
1583 {
1584 Id: oidExtensionSubjectAltName,
1585 Value: sanContents,
1586 Critical: true,
1587 },
1588 },
1589 }
1590
1591 csr := marshalAndParseCSR(t, &template)
1592
1593 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo.example.com" {
1594 t.Errorf("Extension did not override template. Got %v\n", csr.DNSNames)
1595 }
1596
1597 if len(csr.Extensions) != 1 || !csr.Extensions[0].Id.Equal(oidExtensionSubjectAltName) || !csr.Extensions[0].Critical {
1598 t.Errorf("SAN extension was not faithfully copied, got %#v", csr.Extensions)
1599 }
1600
1601
1602
1603
1604
1605 template.Attributes = []pkix.AttributeTypeAndValueSET{
1606 {
1607 Type: oidExtensionRequest,
1608 Value: [][]pkix.AttributeTypeAndValue{
1609 {
1610 {
1611 Type: oidExtensionAuthorityInfoAccess,
1612 Value: []byte("foo"),
1613 },
1614 },
1615 },
1616 },
1617 }
1618
1619 csr = marshalAndParseCSR(t, &template)
1620 if l := len(csr.Attributes); l != 1 {
1621 t.Errorf("incorrect number of attributes: %d\n", l)
1622 }
1623
1624 if !csr.Attributes[0].Type.Equal(oidExtensionRequest) ||
1625 len(csr.Attributes[0].Value) != 1 ||
1626 len(csr.Attributes[0].Value[0]) != 2 {
1627 t.Errorf("bad attributes: %#v\n", csr.Attributes)
1628 }
1629
1630 sanContents2, err := marshalSANs([]string{"foo2.example.com"}, nil, nil, nil)
1631 if err != nil {
1632 t.Fatal(err)
1633 }
1634
1635
1636 template.Attributes[0].Value[0] = append(template.Attributes[0].Value[0], pkix.AttributeTypeAndValue{
1637 Type: oidExtensionSubjectAltName,
1638 Value: sanContents2,
1639 })
1640
1641 csr = marshalAndParseCSR(t, &template)
1642
1643 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "foo2.example.com" {
1644 t.Errorf("Attributes did not override ExtraExtensions. Got %v\n", csr.DNSNames)
1645 }
1646 }
1647
1648 func TestParseCertificateRequest(t *testing.T) {
1649 for _, csrBase64 := range csrBase64Array {
1650 csrBytes := fromBase64(csrBase64)
1651 csr, err := ParseCertificateRequest(csrBytes)
1652 if err != nil {
1653 t.Fatalf("failed to parse CSR: %s", err)
1654 }
1655
1656 if len(csr.EmailAddresses) != 1 || csr.EmailAddresses[0] != "gopher@golang.org" {
1657 t.Errorf("incorrect email addresses found: %v", csr.EmailAddresses)
1658 }
1659
1660 if len(csr.DNSNames) != 1 || csr.DNSNames[0] != "test.example.com" {
1661 t.Errorf("incorrect DNS names found: %v", csr.DNSNames)
1662 }
1663
1664 if len(csr.Subject.Country) != 1 || csr.Subject.Country[0] != "AU" {
1665 t.Errorf("incorrect Subject name: %v", csr.Subject)
1666 }
1667
1668 found := false
1669 for _, e := range csr.Extensions {
1670 if e.Id.Equal(oidExtensionBasicConstraints) {
1671 found = true
1672 break
1673 }
1674 }
1675 if !found {
1676 t.Errorf("basic constraints extension not found in CSR")
1677 }
1678 }
1679 }
1680
1681 func TestCriticalFlagInCSRRequestedExtensions(t *testing.T) {
1682
1683
1684 const csrBase64 = "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"
1685
1686 csrBytes := fromBase64(csrBase64)
1687 csr, err := ParseCertificateRequest(csrBytes)
1688 if err != nil {
1689 t.Fatalf("failed to parse CSR: %s", err)
1690 }
1691
1692 expected := []struct {
1693 Id asn1.ObjectIdentifier
1694 Value []byte
1695 }{
1696 {oidExtensionBasicConstraints, fromBase64("MAYBAf8CAQA=")},
1697 {oidExtensionKeyUsage, fromBase64("AwIChA==")},
1698 }
1699
1700 if n := len(csr.Extensions); n != len(expected) {
1701 t.Fatalf("expected to find %d extensions but found %d", len(expected), n)
1702 }
1703
1704 for i, extension := range csr.Extensions {
1705 if !extension.Id.Equal(expected[i].Id) {
1706 t.Fatalf("extension #%d has unexpected type %v (expected %v)", i, extension.Id, expected[i].Id)
1707 }
1708
1709 if !bytes.Equal(extension.Value, expected[i].Value) {
1710 t.Fatalf("extension #%d has unexpected contents %x (expected %x)", i, extension.Value, expected[i].Value)
1711 }
1712 }
1713 }
1714
1715
1716
1717 func serialiseAndParse(t *testing.T, template *Certificate) *Certificate {
1718 t.Helper()
1719 derBytes, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey)
1720 if err != nil {
1721 t.Fatalf("failed to create certificate: %s", err)
1722 return nil
1723 }
1724
1725 cert, err := ParseCertificate(derBytes)
1726 if err != nil {
1727 t.Fatalf("failed to parse certificate: %s", err)
1728 return nil
1729 }
1730
1731 return cert
1732 }
1733
1734 func TestMaxPathLenNotCA(t *testing.T) {
1735 template := &Certificate{
1736 SerialNumber: big.NewInt(1),
1737 Subject: pkix.Name{
1738 CommonName: "Σ Acme Co",
1739 },
1740 NotBefore: time.Unix(1000, 0),
1741 NotAfter: time.Unix(100000, 0),
1742
1743 BasicConstraintsValid: true,
1744 IsCA: false,
1745 }
1746 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1747 t.Errorf("MaxPathLen should be -1 when IsCa is false, got %d", m)
1748 }
1749
1750 template.MaxPathLen = -1
1751 if m := serialiseAndParse(t, template).MaxPathLen; m != -1 {
1752 t.Errorf("MaxPathLen should be -1 when IsCa is false and MaxPathLen set to -1, got %d", m)
1753 }
1754
1755 template.MaxPathLen = 5
1756 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1757 t.Error("specifying a MaxPathLen when IsCA is false should fail")
1758 }
1759
1760 template.MaxPathLen = 0
1761 template.MaxPathLenZero = true
1762 if _, err := CreateCertificate(rand.Reader, template, template, &testPrivateKey.PublicKey, testPrivateKey); err == nil {
1763 t.Error("setting MaxPathLenZero when IsCA is false should fail")
1764 }
1765
1766 template.BasicConstraintsValid = false
1767 if m := serialiseAndParse(t, template).MaxPathLen; m != 0 {
1768 t.Errorf("Bad MaxPathLen should be ignored if BasicConstraintsValid is false, got %d", m)
1769 }
1770 }
1771
1772 func TestMaxPathLen(t *testing.T) {
1773 template := &Certificate{
1774 SerialNumber: big.NewInt(1),
1775 Subject: pkix.Name{
1776 CommonName: "Σ Acme Co",
1777 },
1778 NotBefore: time.Unix(1000, 0),
1779 NotAfter: time.Unix(100000, 0),
1780
1781 BasicConstraintsValid: true,
1782 IsCA: true,
1783 }
1784
1785 cert1 := serialiseAndParse(t, template)
1786 if m := cert1.MaxPathLen; m != -1 {
1787 t.Errorf("Omitting MaxPathLen didn't turn into -1, got %d", m)
1788 }
1789 if cert1.MaxPathLenZero {
1790 t.Errorf("Omitting MaxPathLen resulted in MaxPathLenZero")
1791 }
1792
1793 template.MaxPathLen = 1
1794 cert2 := serialiseAndParse(t, template)
1795 if m := cert2.MaxPathLen; m != 1 {
1796 t.Errorf("Setting MaxPathLen didn't work. Got %d but set 1", m)
1797 }
1798 if cert2.MaxPathLenZero {
1799 t.Errorf("Setting MaxPathLen resulted in MaxPathLenZero")
1800 }
1801
1802 template.MaxPathLen = 0
1803 template.MaxPathLenZero = true
1804 cert3 := serialiseAndParse(t, template)
1805 if m := cert3.MaxPathLen; m != 0 {
1806 t.Errorf("Setting MaxPathLenZero didn't work, got %d", m)
1807 }
1808 if !cert3.MaxPathLenZero {
1809 t.Errorf("Setting MaxPathLen to zero didn't result in MaxPathLenZero")
1810 }
1811 }
1812
1813 func TestNoAuthorityKeyIdInSelfSignedCert(t *testing.T) {
1814 template := &Certificate{
1815 SerialNumber: big.NewInt(1),
1816 Subject: pkix.Name{
1817 CommonName: "Σ Acme Co",
1818 },
1819 NotBefore: time.Unix(1000, 0),
1820 NotAfter: time.Unix(100000, 0),
1821
1822 BasicConstraintsValid: true,
1823 IsCA: true,
1824 SubjectKeyId: []byte{1, 2, 3, 4},
1825 }
1826
1827 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) != 0 {
1828 t.Fatalf("self-signed certificate contained default authority key id")
1829 }
1830
1831 template.AuthorityKeyId = []byte{1, 2, 3, 4}
1832 if cert := serialiseAndParse(t, template); len(cert.AuthorityKeyId) == 0 {
1833 t.Fatalf("self-signed certificate erased explicit authority key id")
1834 }
1835 }
1836
1837 func TestNoSubjectKeyIdInCert(t *testing.T) {
1838 template := &Certificate{
1839 SerialNumber: big.NewInt(1),
1840 Subject: pkix.Name{
1841 CommonName: "Σ Acme Co",
1842 },
1843 NotBefore: time.Unix(1000, 0),
1844 NotAfter: time.Unix(100000, 0),
1845
1846 BasicConstraintsValid: true,
1847 IsCA: true,
1848 }
1849 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1850 t.Fatalf("self-signed certificate did not generate subject key id using the public key")
1851 }
1852
1853 template.IsCA = false
1854 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) != 0 {
1855 t.Fatalf("self-signed certificate generated subject key id when it isn't a CA")
1856 }
1857
1858 template.SubjectKeyId = []byte{1, 2, 3, 4}
1859 if cert := serialiseAndParse(t, template); len(cert.SubjectKeyId) == 0 {
1860 t.Fatalf("self-signed certificate erased explicit subject key id")
1861 }
1862 }
1863
1864 func TestASN1BitLength(t *testing.T) {
1865 tests := []struct {
1866 bytes []byte
1867 bitLen int
1868 }{
1869 {nil, 0},
1870 {[]byte{0x00}, 0},
1871 {[]byte{0x00, 0x00}, 0},
1872 {[]byte{0xf0}, 4},
1873 {[]byte{0x88}, 5},
1874 {[]byte{0xff}, 8},
1875 {[]byte{0xff, 0x80}, 9},
1876 {[]byte{0xff, 0x81}, 16},
1877 }
1878
1879 for i, test := range tests {
1880 if got := asn1BitLength(test.bytes); got != test.bitLen {
1881 t.Errorf("#%d: calculated bit-length of %d for %x, wanted %d", i, got, test.bytes, test.bitLen)
1882 }
1883 }
1884 }
1885
1886 func TestVerifyEmptyCertificate(t *testing.T) {
1887 if _, err := new(Certificate).Verify(VerifyOptions{}); err != errNotParsed {
1888 t.Errorf("Verifying empty certificate resulted in unexpected error: %q (wanted %q)", err, errNotParsed)
1889 }
1890 }
1891
1892 func TestInsecureAlgorithmErrorString(t *testing.T) {
1893 tests := []struct {
1894 sa SignatureAlgorithm
1895 want string
1896 }{
1897 {MD5WithRSA, "x509: cannot verify signature: insecure algorithm MD5-RSA"},
1898 {SHA1WithRSA, "x509: cannot verify signature: insecure algorithm SHA1-RSA"},
1899 {ECDSAWithSHA1, "x509: cannot verify signature: insecure algorithm ECDSA-SHA1"},
1900 {MD2WithRSA, "x509: cannot verify signature: insecure algorithm 1"},
1901 {-1, "x509: cannot verify signature: insecure algorithm -1"},
1902 {0, "x509: cannot verify signature: insecure algorithm 0"},
1903 {9999, "x509: cannot verify signature: insecure algorithm 9999"},
1904 }
1905 for i, tt := range tests {
1906 if got := fmt.Sprint(InsecureAlgorithmError(tt.sa)); got != tt.want {
1907 t.Errorf("%d. mismatch.\n got: %s\nwant: %s\n", i, got, tt.want)
1908 }
1909 }
1910 }
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925 var csrBase64Array = [...]string{
1926
1927 "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",
1928
1929 "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",
1930 }
1931
1932 var md5cert = `
1933 -----BEGIN CERTIFICATE-----
1934 MIIB4TCCAUoCCQCfmw3vMgPS5TANBgkqhkiG9w0BAQQFADA1MQswCQYDVQQGEwJB
1935 VTETMBEGA1UECBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wHhcNMTUx
1936 MjAzMTkyOTMyWhcNMjkwODEyMTkyOTMyWjA1MQswCQYDVQQGEwJBVTETMBEGA1UE
1937 CBMKU29tZS1TdGF0ZTERMA8GA1UEChMITUQ1IEluYy4wgZ8wDQYJKoZIhvcNAQEB
1938 BQADgY0AMIGJAoGBANrq2nhLQj5mlXbpVX3QUPhfEm/vdEqPkoWtR/jRZIWm4WGf
1939 Wpq/LKHJx2Pqwn+t117syN8l4U5unyAi1BJSXjBwPZNd7dXjcuJ+bRLV7FZ/iuvs
1940 cfYyQQFTxan4TaJMd0x1HoNDbNbjHa02IyjjYE/r3mb/PIg+J2t5AZEh80lPAgMB
1941 AAEwDQYJKoZIhvcNAQEEBQADgYEAjGzp3K3ey/YfKHohf33yHHWd695HQxDAP+wY
1942 cs9/TAyLR+gJzJP7d18EcDDLJWVi7bhfa4EAD86di05azOh9kWSn4b3o9QYRGCSw
1943 GNnI3Zk0cwNKA49hZntKKiy22DhRk7JAHF01d6Bu3KkHkmENrtJ+zj/+159WAnUa
1944 qViorq4=
1945 -----END CERTIFICATE-----
1946 `
1947
1948 func TestMD5(t *testing.T) {
1949 pemBlock, _ := pem.Decode([]byte(md5cert))
1950 cert, err := ParseCertificate(pemBlock.Bytes)
1951 if err != nil {
1952 t.Fatalf("failed to parse certificate: %s", err)
1953 }
1954 if sa := cert.SignatureAlgorithm; sa != MD5WithRSA {
1955 t.Errorf("signature algorithm is %v, want %v", sa, MD5WithRSA)
1956 }
1957 if err = cert.CheckSignatureFrom(cert); err == nil {
1958 t.Fatalf("certificate verification succeeded incorrectly")
1959 }
1960 if _, ok := err.(InsecureAlgorithmError); !ok {
1961 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1962 }
1963 }
1964
1965 func TestSHA1(t *testing.T) {
1966 pemBlock, _ := pem.Decode([]byte(ecdsaSHA1CertPem))
1967 cert, err := ParseCertificate(pemBlock.Bytes)
1968 if err != nil {
1969 t.Fatalf("failed to parse certificate: %s", err)
1970 }
1971 if sa := cert.SignatureAlgorithm; sa != ECDSAWithSHA1 {
1972 t.Errorf("signature algorithm is %v, want %v", sa, ECDSAWithSHA1)
1973 }
1974 if err = cert.CheckSignatureFrom(cert); err == nil {
1975 t.Fatalf("certificate verification succeeded incorrectly")
1976 }
1977 if _, ok := err.(InsecureAlgorithmError); !ok {
1978 t.Fatalf("certificate verification returned %v (%T), wanted InsecureAlgorithmError", err, err)
1979 }
1980 }
1981
1982
1983
1984 const certMissingRSANULL = `
1985 -----BEGIN CERTIFICATE-----
1986 MIIB7TCCAVigAwIBAgIBADALBgkqhkiG9w0BAQUwJjEQMA4GA1UEChMHQWNtZSBD
1987 bzESMBAGA1UEAxMJMTI3LjAuMC4xMB4XDTExMTIwODA3NTUxMloXDTEyMTIwNzA4
1988 MDAxMlowJjEQMA4GA1UEChMHQWNtZSBDbzESMBAGA1UEAxMJMTI3LjAuMC4xMIGc
1989 MAsGCSqGSIb3DQEBAQOBjAAwgYgCgYBO0Hsx44Jk2VnAwoekXh6LczPHY1PfZpIG
1990 hPZk1Y/kNqcdK+izIDZFI7Xjla7t4PUgnI2V339aEu+H5Fto5OkOdOwEin/ekyfE
1991 ARl6vfLcPRSr0FTKIQzQTW6HLlzF0rtNS0/Otiz3fojsfNcCkXSmHgwa2uNKWi7e
1992 E5xMQIhZkwIDAQABozIwMDAOBgNVHQ8BAf8EBAMCAKAwDQYDVR0OBAYEBAECAwQw
1993 DwYDVR0jBAgwBoAEAQIDBDALBgkqhkiG9w0BAQUDgYEANh+zegx1yW43RmEr1b3A
1994 p0vMRpqBWHyFeSnIyMZn3TJWRSt1tukkqVCavh9a+hoV2cxVlXIWg7nCto/9iIw4
1995 hB2rXZIxE0/9gzvGnfERYraL7KtnvshksBFQRlgXa5kc0x38BvEO5ZaoDPl4ILdE
1996 GFGNEH5PlGffo05wc46QkYU=
1997 -----END CERTIFICATE-----`
1998
1999 func TestRSAMissingNULLParameters(t *testing.T) {
2000 block, _ := pem.Decode([]byte(certMissingRSANULL))
2001 if _, err := ParseCertificate(block.Bytes); err == nil {
2002 t.Error("unexpected success when parsing certificate with missing RSA NULL parameter")
2003 } else if !strings.Contains(err.Error(), "missing NULL") {
2004 t.Errorf("unrecognised error when parsing certificate with missing RSA NULL parameter: %s", err)
2005 }
2006 }
2007
2008 const certISOOID = `-----BEGIN CERTIFICATE-----
2009 MIIB5TCCAVKgAwIBAgIQNwyL3RPWV7dJQp34HwZG9DAJBgUrDgMCHQUAMBExDzAN
2010 BgNVBAMTBm15dGVzdDAeFw0xNjA4MDkyMjExMDVaFw0zOTEyMzEyMzU5NTlaMBEx
2011 DzANBgNVBAMTBm15dGVzdDCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEArzIH
2012 GsyDB3ohIGkkvijF2PTRUX1bvOtY1eUUpjwHyu0twpAKSuaQv2Ha+/63+aHe8O86
2013 BT+98wjXFX6RFSagtAujo80rIF2dSm33BGt18pDN8v6zp93dnAm0jRaSQrHJ75xw
2014 5O+S1oEYR1LtUoFJy6qB104j6aINBAgOiLIKiMkCAwEAAaNGMEQwQgYDVR0BBDsw
2015 OYAQVuYVQ/WDjdGSkZRlTtJDNKETMBExDzANBgNVBAMTBm15dGVzdIIQtwyL3RPW
2016 V7dJQp34HwZG9DAJBgUrDgMCHQUAA4GBABngrSkH7vG5lY4sa4AZF59lAAXqBVJE
2017 J4TBiKC62hCdZv18rBleP6ETfhbPg7pTs8p4ebQbpmtNxRS9Lw3MzQ8Ya5Ybwzj2
2018 NwBSyCtCQl7mrEg4nJqJl4A2EUhnET/oVxU0oTV/SZ3ziGXcY1oG1s6vidV7TZTu
2019 MCRtdSdaM7g3
2020 -----END CERTIFICATE-----`
2021
2022 func TestISOOIDInCertificate(t *testing.T) {
2023 block, _ := pem.Decode([]byte(certISOOID))
2024 if cert, err := ParseCertificate(block.Bytes); err != nil {
2025 t.Errorf("certificate with ISO OID failed to parse: %s", err)
2026 } else if cert.SignatureAlgorithm == UnknownSignatureAlgorithm {
2027 t.Errorf("ISO OID not recognised in certificate")
2028 }
2029 }
2030
2031
2032
2033
2034 const certMultipleRDN = `
2035 -----BEGIN CERTIFICATE-----
2036 MIIFRzCCBC+gAwIBAgIEOl59NTANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJz
2037 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMREwDwYDVQQLEwhzaWdvdi1j
2038 YTAeFw0xMjExMTYxMDUyNTdaFw0xNzExMTYxMjQ5MDVaMIGLMQswCQYDVQQGEwJz
2039 aTEbMBkGA1UEChMSc3RhdGUtaW5zdGl0dXRpb25zMRkwFwYDVQQLExB3ZWItY2Vy
2040 dGlmaWNhdGVzMRAwDgYDVQQLEwdTZXJ2ZXJzMTIwFAYDVQQFEw0xMjM2NDg0MDEw
2041 MDEwMBoGA1UEAxMTZXBvcnRhbC5tc3MuZWR1cy5zaTCCASIwDQYJKoZIhvcNAQEB
2042 BQADggEPADCCAQoCggEBAMrNkZH9MPuBTjMGNk3sJX8V+CkFx/4ru7RTlLS6dlYM
2043 098dtSfJ3s2w0p/1NB9UmR8j0yS0Kg6yoZ3ShsSO4DWBtcQD8820a6BYwqxxQTNf
2044 HSRZOc+N/4TQrvmK6t4k9Aw+YEYTMrWOU4UTeyhDeCcUsBdh7HjfWsVaqNky+2sv
2045 oic3zP5gF+2QfPkvOoHT3FLR8olNhViIE6Kk3eFIEs4dkq/ZzlYdLb8pHQoj/sGI
2046 zFmA5AFvm1HURqOmJriFjBwaCtn8AVEYOtQrnUCzJYu1ex8azyS2ZgYMX0u8A5Z/
2047 y2aMS/B2W+H79WcgLpK28vPwe7vam0oFrVytAd+u65ECAwEAAaOCAf4wggH6MA4G
2048 A1UdDwEB/wQEAwIFoDBABgNVHSAEOTA3MDUGCisGAQQBr1kBAwMwJzAlBggrBgEF
2049 BQcCARYZaHR0cDovL3d3dy5jYS5nb3Yuc2kvY3BzLzAfBgNVHREEGDAWgRRwb2Rw
2050 b3JhLm1pemtzQGdvdi5zaTCB8QYDVR0fBIHpMIHmMFWgU6BRpE8wTTELMAkGA1UE
2051 BhMCc2kxGzAZBgNVBAoTEnN0YXRlLWluc3RpdHV0aW9uczERMA8GA1UECxMIc2ln
2052 b3YtY2ExDjAMBgNVBAMTBUNSTDM5MIGMoIGJoIGGhldsZGFwOi8veDUwMC5nb3Yu
2053 c2kvb3U9c2lnb3YtY2Esbz1zdGF0ZS1pbnN0aXR1dGlvbnMsYz1zaT9jZXJ0aWZp
2054 Y2F0ZVJldm9jYXRpb25MaXN0P2Jhc2WGK2h0dHA6Ly93d3cuc2lnb3YtY2EuZ292
2055 LnNpL2NybC9zaWdvdi1jYS5jcmwwKwYDVR0QBCQwIoAPMjAxMjExMTYxMDUyNTda
2056 gQ8yMDE3MTExNjEyNDkwNVowHwYDVR0jBBgwFoAUHvjUU2uzgwbpBAZXAvmlv8ZY
2057 PHIwHQYDVR0OBBYEFGI1Duuu+wTGDZka/xHNbwcbM69ZMAkGA1UdEwQCMAAwGQYJ
2058 KoZIhvZ9B0EABAwwChsEVjcuMQMCA6gwDQYJKoZIhvcNAQEFBQADggEBAHny0K1y
2059 BQznrzDu3DDpBcGYguKU0dvU9rqsV1ua4nxkriSMWjgsX6XJFDdDW60I3P4VWab5
2060 ag5fZzbGqi8kva/CzGgZh+CES0aWCPy+4Gb8lwOTt+854/laaJvd6kgKTER7z7U9
2061 9C86Ch2y4sXNwwwPJ1A9dmrZJZOcJjS/WYZgwaafY2Hdxub5jqPE5nehwYUPVu9R
2062 uH6/skk4OEKcfOtN0hCnISOVuKYyS4ANARWRG5VGHIH06z3lGUVARFRJ61gtAprd
2063 La+fgSS+LVZ+kU2TkeoWAKvGq8MAgDq4D4Xqwekg7WKFeuyusi/NI5rm40XgjBMF
2064 DF72IUofoVt7wo0=
2065 -----END CERTIFICATE-----`
2066
2067 func TestMultipleRDN(t *testing.T) {
2068 block, _ := pem.Decode([]byte(certMultipleRDN))
2069 cert, err := ParseCertificate(block.Bytes)
2070 if err != nil {
2071 t.Fatalf("certificate with two elements in an RDN failed to parse: %v", err)
2072 }
2073
2074 if want := "eportal.mss.edus.si"; cert.Subject.CommonName != want {
2075 t.Errorf("got common name of %q, but want %q", cert.Subject.CommonName, want)
2076 }
2077
2078 if want := "1236484010010"; cert.Subject.SerialNumber != want {
2079 t.Errorf("got serial number of %q, but want %q", cert.Subject.SerialNumber, want)
2080 }
2081 }
2082
2083 func TestSystemCertPool(t *testing.T) {
2084 if runtime.GOOS == "windows" || runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
2085 t.Skip("not implemented on Windows (Issue 16736, 18609) or darwin (Issue 46287)")
2086 }
2087 a, err := SystemCertPool()
2088 if err != nil {
2089 t.Fatal(err)
2090 }
2091 b, err := SystemCertPool()
2092 if err != nil {
2093 t.Fatal(err)
2094 }
2095 if !certPoolEqual(a, b) {
2096 t.Fatal("two calls to SystemCertPool had different results")
2097 }
2098 if ok := b.AppendCertsFromPEM([]byte(`
2099 -----BEGIN CERTIFICATE-----
2100 MIIDBjCCAe6gAwIBAgIRANXM5I3gjuqDfTp/PYrs+u8wDQYJKoZIhvcNAQELBQAw
2101 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0xODAzMjcxOTU2MjFaFw0xOTAzMjcxOTU2
2102 MjFaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2103 ggEKAoIBAQDK+9m3rjsO2Djes6bIYQZ3eV29JF09ZrjOrEHLtaKrD6/acsoSoTsf
2104 cQr+rzzztdB5ijWXCS64zo/0OiqBeZUNZ67jVdToa9qW5UYe2H0Y+ZNdfA5GYMFD
2105 yk/l3/uBu3suTZPfXiW2TjEi27Q8ruNUIZ54DpTcs6y2rBRFzadPWwn/VQMlvRXM
2106 jrzl8Y08dgnYmaAHprxVzwMXcQ/Brol+v9GvjaH1DooHqkn8O178wsPQNhdtvN01
2107 IXL46cYdcUwWrE/GX5u+9DaSi+0KWxAPQ+NVD5qUI0CKl4714yGGh7feXMjJdHgl
2108 VG4QJZlJvC4FsURgCHJT6uHGIelnSwhbAgMBAAGjVzBVMA4GA1UdDwEB/wQEAwIF
2109 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCAGA1UdEQQZMBeC
2110 FVRlc3RTeXN0ZW1DZXJ0UG9vbC5nbzANBgkqhkiG9w0BAQsFAAOCAQEAwuSRx/VR
2111 BKh2ICxZjL6jBwk/7UlU1XKbhQD96RqkidDNGEc6eLZ90Z5XXTurEsXqdm5jQYPs
2112 1cdcSW+fOSMl7MfW9e5tM66FaIPZl9rKZ1r7GkOfgn93xdLAWe8XHd19xRfDreub
2113 YC8DVqgLASOEYFupVSl76ktPfxkU5KCvmUf3P2PrRybk1qLGFytGxfyice2gHSNI
2114 gify3K/+H/7wCkyFW4xYvzl7WW4mXxoqPRPjQt1J423DhnnQ4G1P8V/vhUpXNXOq
2115 N9IEPnWuihC09cyx/WMQIUlWnaQLHdfpPS04Iez3yy2PdfXJzwfPrja7rNE+skK6
2116 pa/O1nF0AfWOpw==
2117 -----END CERTIFICATE-----
2118 `)); !ok {
2119 t.Fatal("AppendCertsFromPEM failed")
2120 }
2121 if reflect.DeepEqual(a, b) {
2122 t.Fatal("changing one pool modified the other")
2123 }
2124 }
2125
2126 const emptyNameConstraintsPEM = `
2127 -----BEGIN CERTIFICATE-----
2128 MIIC1jCCAb6gAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2129 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2130 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2131 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2132 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2133 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2134 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2135 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2136 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2137 AQABoxEwDzANBgNVHR4EBjAEoAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMH
2138 QhP8uNCtgSHyim/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb
2139 6L+iJa4ElREJOi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6H
2140 v5SsvpYW+1XleYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6M
2141 LYPmRhTioROA/drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOga
2142 nCOSyFYfGhqOANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8
2143 o+WoY6IsCKXV/g==
2144 -----END CERTIFICATE-----`
2145
2146 func TestEmptyNameConstraints(t *testing.T) {
2147 block, _ := pem.Decode([]byte(emptyNameConstraintsPEM))
2148 _, err := ParseCertificate(block.Bytes)
2149 if err == nil {
2150 t.Fatal("unexpected success")
2151 }
2152
2153 const expected = "empty name constraints"
2154 if str := err.Error(); !strings.Contains(str, expected) {
2155 t.Errorf("expected %q in error but got %q", expected, str)
2156 }
2157 }
2158
2159 func TestPKIXNameString(t *testing.T) {
2160 der, err := base64.StdEncoding.DecodeString(certBytes)
2161 if err != nil {
2162 t.Fatal(err)
2163 }
2164 certs, err := ParseCertificates(der)
2165 if err != nil {
2166 t.Fatal(err)
2167 }
2168
2169
2170 rdns := pkix.Name{
2171 Locality: []string{"Gophertown"},
2172 ExtraNames: []pkix.AttributeTypeAndValue{
2173 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2174 }.ToRDNSequence()
2175 nn := pkix.Name{}
2176 nn.FillFromRDNSequence(&rdns)
2177
2178
2179 extra := []pkix.AttributeTypeAndValue{
2180 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "backing array"}}
2181 extraNotNil := pkix.Name{
2182 Locality: []string{"Gophertown"},
2183 ExtraNames: extra[:0],
2184 Names: []pkix.AttributeTypeAndValue{
2185 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2186 }
2187
2188 tests := []struct {
2189 dn pkix.Name
2190 want string
2191 }{
2192 {nn, "L=Gophertown,1.2.3.4.5=golang.org"},
2193 {extraNotNil, "L=Gophertown"},
2194 {pkix.Name{
2195 CommonName: "Steve Kille",
2196 Organization: []string{"Isode Limited"},
2197 OrganizationalUnit: []string{"RFCs"},
2198 Locality: []string{"Richmond"},
2199 Province: []string{"Surrey"},
2200 StreetAddress: []string{"The Square"},
2201 PostalCode: []string{"TW9 1DT"},
2202 SerialNumber: "RFC 2253",
2203 Country: []string{"GB"},
2204 }, "SERIALNUMBER=RFC 2253,CN=Steve Kille,OU=RFCs,O=Isode Limited,POSTALCODE=TW9 1DT,STREET=The Square,L=Richmond,ST=Surrey,C=GB"},
2205 {certs[0].Subject,
2206 "CN=mail.google.com,O=Google LLC,L=Mountain View,ST=California,C=US"},
2207 {pkix.Name{
2208 Organization: []string{"#Google, Inc. \n-> 'Alphabet\" "},
2209 Country: []string{"US"},
2210 }, "O=\\#Google\\, Inc. \n-\\> 'Alphabet\\\"\\ ,C=US"},
2211 {pkix.Name{
2212 CommonName: "foo.com",
2213 Organization: []string{"Gopher Industries"},
2214 ExtraNames: []pkix.AttributeTypeAndValue{
2215 {Type: asn1.ObjectIdentifier([]int{2, 5, 4, 3}), Value: "bar.com"}},
2216 }, "CN=bar.com,O=Gopher Industries"},
2217 {pkix.Name{
2218 Locality: []string{"Gophertown"},
2219 ExtraNames: []pkix.AttributeTypeAndValue{
2220 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2221 }, "1.2.3.4.5=golang.org,L=Gophertown"},
2222
2223 {pkix.Name{
2224 Locality: []string{"Gophertown"},
2225 Names: []pkix.AttributeTypeAndValue{
2226 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2227 }, "L=Gophertown,1.2.3.4.5=golang.org"},
2228
2229 {pkix.Name{
2230 Locality: []string{"Gophertown"},
2231 ExtraNames: []pkix.AttributeTypeAndValue{
2232 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 5}), Value: "golang.org"}},
2233 Names: []pkix.AttributeTypeAndValue{
2234 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4, 6}), Value: "example.com"}},
2235 }, "1.2.3.4.5=golang.org,L=Gophertown"},
2236
2237 {pkix.Name{
2238 CommonName: "foobar",
2239 ExtraNames: []pkix.AttributeTypeAndValue{
2240 {Type: asn1.ObjectIdentifier([]int{1, 2, 3, 4}), Value: 42}},
2241 }, "1.2.3.4=#02012a,CN=foobar"},
2242
2243
2244 {pkix.Name{
2245 CommonName: "foobar",
2246 ExtraNames: []pkix.AttributeTypeAndValue{
2247 {Type: asn1.ObjectIdentifier([]int{2, 3, 4, 5}), Value: "Lučić"}},
2248 }, "2.3.4.5=Lučić,CN=foobar"},
2249
2250 {pkix.Name{
2251 CommonName: "foobar",
2252 ExtraNames: []pkix.AttributeTypeAndValue{
2253 {Type: asn1.ObjectIdentifier([]int{2, 3, 4, 5}), Value: "#abcdef"}},
2254 }, "2.3.4.5=\\#abcdef,CN=foobar"},
2255
2256 {pkix.Name{
2257 CommonName: "foobar",
2258 ExtraNames: []pkix.AttributeTypeAndValue{
2259 {Type: asn1.ObjectIdentifier([]int{2, 3, 4, 5}), Value: "abcdef,GHI"}},
2260 }, "2.3.4.5=abcdef\\,GHI,CN=foobar"},
2261
2262 {pkix.Name{
2263 CommonName: "foobar",
2264 ExtraNames: []pkix.AttributeTypeAndValue{
2265 {Type: asn1.ObjectIdentifier([]int{2, 3, 4, 5}), Value: " abcdef "}},
2266 }, "2.3.4.5=\\ abcdef\\ ,CN=foobar"},
2267 }
2268
2269 for i, test := range tests {
2270 if got := test.dn.String(); got != test.want {
2271 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2272 }
2273 }
2274
2275 if extra[0].Value != "backing array" {
2276 t.Errorf("the backing array of an empty ExtraNames got modified by String")
2277 }
2278 }
2279
2280 func TestRDNSequenceString(t *testing.T) {
2281
2282
2283
2284 var (
2285 oidCountry = []int{2, 5, 4, 6}
2286 oidOrganization = []int{2, 5, 4, 10}
2287 oidOrganizationalUnit = []int{2, 5, 4, 11}
2288 oidCommonName = []int{2, 5, 4, 3}
2289 )
2290
2291 tests := []struct {
2292 seq pkix.RDNSequence
2293 want string
2294 }{
2295 {
2296 seq: pkix.RDNSequence{
2297 pkix.RelativeDistinguishedNameSET{
2298 pkix.AttributeTypeAndValue{Type: oidCountry, Value: "US"},
2299 },
2300 pkix.RelativeDistinguishedNameSET{
2301 pkix.AttributeTypeAndValue{Type: oidOrganization, Value: "Widget Inc."},
2302 },
2303 pkix.RelativeDistinguishedNameSET{
2304 pkix.AttributeTypeAndValue{Type: oidOrganizationalUnit, Value: "Sales"},
2305 pkix.AttributeTypeAndValue{Type: oidCommonName, Value: "J. Smith"},
2306 },
2307 },
2308 want: "OU=Sales+CN=J. Smith,O=Widget Inc.,C=US",
2309 },
2310 }
2311
2312 for i, test := range tests {
2313 if got := test.seq.String(); got != test.want {
2314 t.Errorf("#%d: String() = \n%s\n, want \n%s", i, got, test.want)
2315 }
2316 }
2317 }
2318
2319 const criticalNameConstraintWithUnknownTypePEM = `
2320 -----BEGIN CERTIFICATE-----
2321 MIIC/TCCAeWgAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwKDEmMCQGA1UEAxMdRW1w
2322 dHkgbmFtZSBjb25zdHJhaW50cyBpc3N1ZXIwHhcNMTMwMjAxMDAwMDAwWhcNMjAw
2323 NTMwMTA0ODM4WjAhMR8wHQYDVQQDExZFbXB0eSBuYW1lIGNvbnN0cmFpbnRzMIIB
2324 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwriElUIt3LCqmJObs+yDoWPD
2325 F5IqgWk6moIobYjPfextZiYU6I3EfvAwoNxPDkN2WowcocUZMJbEeEq5ebBksFnx
2326 f12gBxlIViIYwZAzu7aFvhDMyPKQI3C8CG0ZSC9ABZ1E3umdA3CEueNOmP/TChNq
2327 Cl23+BG1Qb/PJkpAO+GfpWSVhTcV53Mf/cKvFHcjGNrxzdSoq9fyW7a6gfcGEQY0
2328 LVkmwFWUfJ0wT8kaeLr0E0tozkIfo01KNWNzv6NcYP80QOBRDlApWu9ODmEVJHPD
2329 blx4jzTQ3JLa+4DvBNOjVUOp+mgRmjiW0rLdrxwOxIqIOwNjweMCp/hgxX/hTQID
2330 AQABozgwNjA0BgNVHR4BAf8EKjAooCQwIokgIACrzQAAAAAAAAAAAAAAAP////8A
2331 AAAAAAAAAAAAAAChADANBgkqhkiG9w0BAQsFAAOCAQEAWG+/zUMHQhP8uNCtgSHy
2332 im/vh7wminwAvWgMKxlkLBFns6nZeQqsOV1lABY7U0Zuoqa1Z5nb6L+iJa4ElREJ
2333 Oi/erLc9uLwBdDCAR0hUTKD7a6i4ooS39DTle87cUnj0MW1CUa6Hv5SsvpYW+1Xl
2334 eYJk/axQOOTcy4Es53dvnZsjXH0EA/QHnn7UV+JmlE3rtVxcYp6MLYPmRhTioROA
2335 /drghicRkiu9hxdPyxkYS16M5g3Zj30jdm+k/6C6PeNtN9YmOOganCOSyFYfGhqO
2336 ANYzpmuV+oIedAsPpIbfIzN8njYUs1zio+1IoI4o8ddM9sCbtPU8o+WoY6IsCKXV
2337 /g==
2338 -----END CERTIFICATE-----`
2339
2340 func TestCriticalNameConstraintWithUnknownType(t *testing.T) {
2341 block, _ := pem.Decode([]byte(criticalNameConstraintWithUnknownTypePEM))
2342 cert, err := ParseCertificate(block.Bytes)
2343 if err != nil {
2344 t.Fatalf("unexpected parsing failure: %s", err)
2345 }
2346
2347 if l := len(cert.UnhandledCriticalExtensions); l != 1 {
2348 t.Fatalf("expected one unhandled critical extension, but found %d", l)
2349 }
2350 }
2351
2352 const badIPMaskPEM = `
2353 -----BEGIN CERTIFICATE-----
2354 MIICzzCCAbegAwIBAgICEjQwDQYJKoZIhvcNAQELBQAwHTEbMBkGA1UEAxMSQmFk
2355 IElQIG1hc2sgaXNzdWVyMB4XDTEzMDIwMTAwMDAwMFoXDTIwMDUzMDEwNDgzOFow
2356 FjEUMBIGA1UEAxMLQmFkIElQIG1hc2swggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
2357 ggEKAoIBAQDCuISVQi3csKqYk5uz7IOhY8MXkiqBaTqagihtiM997G1mJhTojcR+
2358 8DCg3E8OQ3ZajByhxRkwlsR4Srl5sGSwWfF/XaAHGUhWIhjBkDO7toW+EMzI8pAj
2359 cLwIbRlIL0AFnUTe6Z0DcIS5406Y/9MKE2oKXbf4EbVBv88mSkA74Z+lZJWFNxXn
2360 cx/9wq8UdyMY2vHN1Kir1/JbtrqB9wYRBjQtWSbAVZR8nTBPyRp4uvQTS2jOQh+j
2361 TUo1Y3O/o1xg/zRA4FEOUCla704OYRUkc8NuXHiPNNDcktr7gO8E06NVQ6n6aBGa
2362 OJbSst2vHA7Eiog7A2PB4wKn+GDFf+FNAgMBAAGjIDAeMBwGA1UdHgEB/wQSMBCg
2363 DDAKhwgBAgME//8BAKEAMA0GCSqGSIb3DQEBCwUAA4IBAQBYb7/NQwdCE/y40K2B
2364 IfKKb++HvCaKfAC9aAwrGWQsEWezqdl5Cqw5XWUAFjtTRm6iprVnmdvov6IlrgSV
2365 EQk6L96stz24vAF0MIBHSFRMoPtrqLiihLf0NOV7ztxSePQxbUJRroe/lKy+lhb7
2366 VeV5gmT9rFA45NzLgSznd2+dmyNcfQQD9AeeftRX4maUTeu1XFxinowtg+ZGFOKh
2367 E4D92uCGJxGSK72HF0/LGRhLXozmDdmPfSN2b6T/oLo942031iY46BqcI5LIVh8a
2368 Go4A1jOma5X6gh50Cw+kht8jM3yeNhSzXOKj7Uigjijx10z2wJu09Tyj5ahjoiwI
2369 pdX+
2370 -----END CERTIFICATE-----`
2371
2372 func TestBadIPMask(t *testing.T) {
2373 block, _ := pem.Decode([]byte(badIPMaskPEM))
2374 _, err := ParseCertificate(block.Bytes)
2375 if err == nil {
2376 t.Fatalf("unexpected success")
2377 }
2378
2379 const expected = "contained invalid mask"
2380 if !strings.Contains(err.Error(), expected) {
2381 t.Fatalf("expected %q in error but got: %s", expected, err)
2382 }
2383 }
2384
2385 const additionalGeneralSubtreePEM = `
2386 -----BEGIN CERTIFICATE-----
2387 MIIG4TCCBMmgAwIBAgIRALss+4rLw2Ia7tFFhxE8g5cwDQYJKoZIhvcNAQELBQAw
2388 bjELMAkGA1UEBhMCTkwxIDAeBgNVBAoMF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2389 MT0wOwYDVQQDDDRNaW5pc3RlcmllIHZhbiBEZWZlbnNpZSBDZXJ0aWZpY2F0aWUg
2390 QXV0b3JpdGVpdCAtIEcyMB4XDTEzMDMwNjEyMDM0OVoXDTEzMTEzMDEyMDM1MFow
2391 bDELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUNlcnRpUGF0aCBMTEMxIjAgBgNVBAsT
2392 GUNlcnRpZmljYXRpb24gQXV0aG9yaXRpZXMxITAfBgNVBAMTGENlcnRpUGF0aCBC
2393 cmlkZ2UgQ0EgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANLW
2394 4kXiRqvwBhJfN9uz12FA+P2D34MPxOt7TGXljm2plJ2CLzvaH8/ymsMdSWdJBS1M
2395 8FmwvNL1w3A6ZuzksJjPikAu8kY3dcp3mrkk9eCPORDAwGtfsXwZysLiuEaDWpbD
2396 dHOaHnI6qWU0N6OI+hNX58EjDpIGC1WQdho1tHOTPc5Hf5/hOpM/29v/wr7kySjs
2397 Z+7nsvkm5rNhuJNzPsLsgzVaJ5/BVyOplZy24FKM8Y43MjR4osZm+a2e0zniqw6/
2398 rvcjcGYabYaznZfQG1GXoyf2Vea+CCgpgUhlVafgkwEs8izl8rIpvBzXiFAgFQuG
2399 Ituoy92PJbDs430fA/cCAwEAAaOCAnowggJ2MEUGCCsGAQUFBwEBBDkwNzA1Bggr
2400 BgEFBQcwAoYpaHR0cDovL2NlcnRzLmNhLm1pbmRlZi5ubC9taW5kZWYtY2EtMi5w
2401 N2MwHwYDVR0jBBgwFoAUzln9WSPz2M64Rl2HYf2/KD8StmQwDwYDVR0TAQH/BAUw
2402 AwEB/zCB6QYDVR0gBIHhMIHeMEgGCmCEEAGHawECBQEwOjA4BggrBgEFBQcCARYs
2403 aHR0cDovL2Nwcy5kcC5jYS5taW5kZWYubmwvbWluZGVmLWNhLWRwLWNwcy8wSAYK
2404 YIQQAYdrAQIFAjA6MDgGCCsGAQUFBwIBFixodHRwOi8vY3BzLmRwLmNhLm1pbmRl
2405 Zi5ubC9taW5kZWYtY2EtZHAtY3BzLzBIBgpghBABh2sBAgUDMDowOAYIKwYBBQUH
2406 AgEWLGh0dHA6Ly9jcHMuZHAuY2EubWluZGVmLm5sL21pbmRlZi1jYS1kcC1jcHMv
2407 MDkGA1UdHwQyMDAwLqAsoCqGKGh0dHA6Ly9jcmxzLmNhLm1pbmRlZi5ubC9taW5k
2408 ZWYtY2EtMi5jcmwwDgYDVR0PAQH/BAQDAgEGMEYGA1UdHgEB/wQ8MDqhODA2pDEw
2409 LzELMAkGA1UEBhMCTkwxIDAeBgNVBAoTF01pbmlzdGVyaWUgdmFuIERlZmVuc2ll
2410 gQFjMF0GA1UdIQRWMFQwGgYKYIQQAYdrAQIFAQYMKwYBBAGBu1MBAQECMBoGCmCE
2411 EAGHawECBQIGDCsGAQQBgbtTAQEBAjAaBgpghBABh2sBAgUDBgwrBgEEAYG7UwEB
2412 AQIwHQYDVR0OBBYEFNDCjBM3M3ZKkag84ei3/aKc0d0UMA0GCSqGSIb3DQEBCwUA
2413 A4ICAQAQXFn9jF90/DNFf15JhoGtta/0dNInb14PMu3PAjcdrXYCDPpQZOArTUng
2414 5YT1WuzfmjnXiTsziT3my0r9Mxvz/btKK/lnVOMW4c2q/8sIsIPnnW5ZaRGrsANB
2415 dNDZkzMYmeG2Pfgvd0AQSOrpE/TVgWfu/+MMRWwX9y6VbooBR7BLv7zMuVH0WqLn
2416 6OMFth7fqsThlfMSzkE/RDSaU6n3wXAWT1SIqBITtccRjSUQUFm/q3xrb2cwcZA6
2417 8vdS4hzNd+ttS905ay31Ks4/1Wrm1bH5RhEfRSH0VSXnc0b+z+RyBbmiwtVZqzxE
2418 u3UQg/rAmtLDclLFEzjp8YDTIRYSLwstDbEXO/0ArdGrQm79HQ8i/3ZbP2357myW
2419 i15qd6gMJIgGHS4b8Hc7R1K8LQ9Gm1aLKBEWVNGZlPK/cpXThpVmoEyslN2DHCrc
2420 fbMbjNZpXlTMa+/b9z7Fa4X8dY8u/ELzZuJXJv5Rmqtg29eopFFYDCl0Nkh1XAjo
2421 QejEoHHUvYV8TThHZr6Z6Ib8CECgTehU4QvepkgDXNoNrKRZBG0JhLjkwxh2whZq
2422 nvWBfALC2VuNOM6C0rDY+HmhMlVt0XeqnybD9MuQALMit7Z00Cw2CIjNsBI9xBqD
2423 xKK9CjUb7gzRUWSpB9jGHsvpEMHOzIFhufvH2Bz1XJw+Cl7khw==
2424 -----END CERTIFICATE-----`
2425
2426 func TestAdditionFieldsInGeneralSubtree(t *testing.T) {
2427
2428
2429
2430 block, _ := pem.Decode([]byte(additionalGeneralSubtreePEM))
2431 if _, err := ParseCertificate(block.Bytes); err != nil {
2432 t.Fatalf("failed to parse certificate: %s", err)
2433 }
2434 }
2435
2436 func TestEmptySerialNumber(t *testing.T) {
2437 template := Certificate{
2438 DNSNames: []string{"example.com"},
2439 }
2440
2441 for range 100 {
2442 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2443 if err != nil {
2444 t.Fatalf("failed to create certificate: %s", err)
2445 }
2446
2447 cert, err := ParseCertificate(derBytes)
2448 if err != nil {
2449 t.Fatalf("failed to parse certificate: %s", err)
2450 }
2451
2452 if sign := cert.SerialNumber.Sign(); sign != 1 {
2453 t.Fatalf("generated a non positive serial, sign: %d", sign)
2454 }
2455
2456 b, err := asn1.Marshal(cert.SerialNumber)
2457 if err != nil {
2458 t.Fatalf("failed to marshal generated serial number: %s", err)
2459 }
2460
2461 if l := len(b) - 2; l > 20 {
2462 t.Fatalf("generated serial number larger than 20 octets when encoded: %d", l)
2463 }
2464 }
2465 }
2466
2467 func TestEmptySubject(t *testing.T) {
2468 template := Certificate{
2469 SerialNumber: big.NewInt(1),
2470 DNSNames: []string{"example.com"},
2471 }
2472
2473 derBytes, err := CreateCertificate(rand.Reader, &template, &template, &testPrivateKey.PublicKey, testPrivateKey)
2474 if err != nil {
2475 t.Fatalf("failed to create certificate: %s", err)
2476 }
2477
2478 cert, err := ParseCertificate(derBytes)
2479 if err != nil {
2480 t.Fatalf("failed to parse certificate: %s", err)
2481 }
2482
2483 for _, ext := range cert.Extensions {
2484 if ext.Id.Equal(oidExtensionSubjectAltName) {
2485 if !ext.Critical {
2486 t.Fatal("SAN extension is not critical")
2487 }
2488 return
2489 }
2490 }
2491
2492 t.Fatal("SAN extension is missing")
2493 }
2494
2495
2496
2497 const multipleURLsInCRLDPPEM = `
2498 -----BEGIN CERTIFICATE-----
2499 MIIF4TCCBMmgAwIBAgIQc+6uFePfrahUGpXs8lhiTzANBgkqhkiG9w0BAQsFADCB
2500 8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy
2501 dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1
2502 YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3
2503 dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh
2504 IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD
2505 LUFDQzAeFw0xNDA5MTgwODIxMDBaFw0zMDA5MTgwODIxMDBaMIGGMQswCQYDVQQG
2506 EwJFUzEzMDEGA1UECgwqQ09OU09SQ0kgQURNSU5JU1RSQUNJTyBPQkVSVEEgREUg
2507 Q0FUQUxVTllBMSowKAYDVQQLDCFTZXJ2ZWlzIFDDumJsaWNzIGRlIENlcnRpZmlj
2508 YWNpw7MxFjAUBgNVBAMMDUVDLUNpdXRhZGFuaWEwggEiMA0GCSqGSIb3DQEBAQUA
2509 A4IBDwAwggEKAoIBAQDFkHPRZPZlXTWZ5psJhbS/Gx+bxcTpGrlVQHHtIkgGz77y
2510 TA7UZUFb2EQMncfbOhR0OkvQQn1aMvhObFJSR6nI+caf2D+h/m/InMl1MyH3S0Ak
2511 YGZZsthnyC6KxqK2A/NApncrOreh70ULkQs45aOKsi1kR1W0zE+iFN+/P19P7AkL
2512 Rl3bXBCVd8w+DLhcwRrkf1FCDw6cEqaFm3cGgf5cbBDMaVYAweWTxwBZAq2RbQAW
2513 jE7mledcYghcZa4U6bUmCBPuLOnO8KMFAvH+aRzaf3ws5/ZoOVmryyLLJVZ54peZ
2514 OwnP9EL4OuWzmXCjBifXR2IAblxs5JYj57tls45nAgMBAAGjggHaMIIB1jASBgNV
2515 HRMBAf8ECDAGAQH/AgEAMA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUC2hZPofI
2516 oxUa4ECCIl+fHbLFNxUwHwYDVR0jBBgwFoAUoMOLRKo3pUW/l4Ba0fF4opvpXY0w
2517 gdYGA1UdIASBzjCByzCByAYEVR0gADCBvzAxBggrBgEFBQcCARYlaHR0cHM6Ly93
2518 d3cuYW9jLmNhdC9DQVRDZXJ0L1JlZ3VsYWNpbzCBiQYIKwYBBQUHAgIwfQx7QXF1
2519 ZXN0IGNlcnRpZmljYXQgw6lzIGVtw6hzIMO6bmljYSBpIGV4Y2x1c2l2YW1lbnQg
2520 YSBFbnRpdGF0cyBkZSBDZXJ0aWZpY2FjacOzLiBWZWdldSBodHRwczovL3d3dy5h
2521 b2MuY2F0L0NBVENlcnQvUmVndWxhY2lvMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF
2522 BQcwAYYXaHR0cDovL29jc3AuY2F0Y2VydC5jYXQwYgYDVR0fBFswWTBXoFWgU4Yn
2523 aHR0cDovL2Vwc2NkLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JshihodHRwOi8v
2524 ZXBzY2QyLmNhdGNlcnQubmV0L2NybC9lYy1hY2MuY3JsMA0GCSqGSIb3DQEBCwUA
2525 A4IBAQChqFTjlAH5PyIhLjLgEs68CyNNC1+vDuZXRhy22TI83JcvGmQrZosPvVIL
2526 PsUXx+C06Pfqmh48Q9S89X9K8w1SdJxP/rZeGEoRiKpwvQzM4ArD9QxyC8jirxex
2527 3Umg9Ai/sXQ+1lBf6xw4HfUUr1WIp7pNHj0ZWLo106urqktcdeAFWme+/klis5fu
2528 labCSVPuT/QpwakPrtqOhRms8vgpKiXa/eLtL9ZiA28X/Mker0zlAeTA7Z7uAnp6
2529 oPJTlZu1Gg1ZDJueTWWsLlO+P+Wzm3MRRIbcgdRzm4mdO7ubu26SzX/aQXDhuih+
2530 eVxXDTCfs7GUlxnjOp5j559X/N0A
2531 -----END CERTIFICATE-----
2532 `
2533
2534 func TestMultipleURLsInCRLDP(t *testing.T) {
2535 block, _ := pem.Decode([]byte(multipleURLsInCRLDPPEM))
2536 cert, err := ParseCertificate(block.Bytes)
2537 if err != nil {
2538 t.Fatalf("failed to parse certificate: %s", err)
2539 }
2540
2541 want := []string{
2542 "http://epscd.catcert.net/crl/ec-acc.crl",
2543 "http://epscd2.catcert.net/crl/ec-acc.crl",
2544 }
2545 if got := cert.CRLDistributionPoints; !slices.Equal(got, want) {
2546 t.Errorf("CRL distribution points = %#v, want #%v", got, want)
2547 }
2548 }
2549
2550 const hexPKCS1TestPKCS8Key = "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"
2551 const hexPKCS1TestECKey = "3081a40201010430bdb9839c08ee793d1157886a7a758a3c8b2a17a4df48f17ace57c72c56b4723cf21dcda21d4e1ad57ff034f19fcfd98ea00706052b81040022a16403620004feea808b5ee2429cfcce13c32160e1c960990bd050bb0fdf7222f3decd0a55008e32a6aa3c9062051c4cba92a7a3b178b24567412d43cdd2f882fa5addddd726fe3e208d2c26d733a773a597abb749714df7256ead5105fa6e7b3650de236b50"
2552
2553 var pkcs1MismatchKeyTests = []struct {
2554 hexKey string
2555 errorContains string
2556 }{
2557 {hexKey: hexPKCS1TestPKCS8Key, errorContains: "use ParsePKCS8PrivateKey instead"},
2558 {hexKey: hexPKCS1TestECKey, errorContains: "use ParseECPrivateKey instead"},
2559 }
2560
2561 func TestPKCS1MismatchKeyFormat(t *testing.T) {
2562 for i, test := range pkcs1MismatchKeyTests {
2563 derBytes, _ := hex.DecodeString(test.hexKey)
2564 _, err := ParsePKCS1PrivateKey(derBytes)
2565 if !strings.Contains(err.Error(), test.errorContains) {
2566 t.Errorf("#%d: expected error containing %q, got %s", i, test.errorContains, err)
2567 }
2568 }
2569 }
2570
2571 func TestCreateRevocationList(t *testing.T) {
2572 ec256Priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
2573 if err != nil {
2574 t.Fatalf("Failed to generate ECDSA P256 key: %s", err)
2575 }
2576 _, ed25519Priv, err := ed25519.GenerateKey(rand.Reader)
2577 if err != nil {
2578 t.Fatalf("Failed to generate Ed25519 key: %s", err)
2579 }
2580
2581
2582
2583 utf8CAStr := "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"
2584 utf8CABytes, _ := base64.StdEncoding.DecodeString(utf8CAStr)
2585 utf8CA, _ := ParseCertificate(utf8CABytes)
2586
2587 utf8KeyStr := "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"
2588 utf8KeyBytes, _ := base64.StdEncoding.DecodeString(utf8KeyStr)
2589 utf8KeyRaw, _ := ParsePKCS8PrivateKey(utf8KeyBytes)
2590 utf8Key := utf8KeyRaw.(crypto.Signer)
2591
2592 tests := []struct {
2593 name string
2594 key crypto.Signer
2595 issuer *Certificate
2596 template *RevocationList
2597 expectedError string
2598 }{
2599 {
2600 name: "nil template",
2601 key: ec256Priv,
2602 issuer: nil,
2603 template: nil,
2604 expectedError: "x509: template can not be nil",
2605 },
2606 {
2607 name: "nil issuer",
2608 key: ec256Priv,
2609 issuer: nil,
2610 template: &RevocationList{},
2611 expectedError: "x509: issuer can not be nil",
2612 },
2613 {
2614 name: "issuer doesn't have crlSign key usage bit set",
2615 key: ec256Priv,
2616 issuer: &Certificate{
2617 KeyUsage: KeyUsageCertSign,
2618 },
2619 template: &RevocationList{},
2620 expectedError: "x509: issuer must have the crlSign key usage bit set",
2621 },
2622 {
2623 name: "issuer missing SubjectKeyId",
2624 key: ec256Priv,
2625 issuer: &Certificate{
2626 KeyUsage: KeyUsageCRLSign,
2627 },
2628 template: &RevocationList{},
2629 expectedError: "x509: issuer certificate doesn't contain a subject key identifier",
2630 },
2631 {
2632 name: "nextUpdate before thisUpdate",
2633 key: ec256Priv,
2634 issuer: &Certificate{
2635 KeyUsage: KeyUsageCRLSign,
2636 Subject: pkix.Name{
2637 CommonName: "testing",
2638 },
2639 SubjectKeyId: []byte{1, 2, 3},
2640 },
2641 template: &RevocationList{
2642 ThisUpdate: time.Time{}.Add(time.Hour),
2643 NextUpdate: time.Time{},
2644 },
2645 expectedError: "x509: template.ThisUpdate is after template.NextUpdate",
2646 },
2647 {
2648 name: "nil Number",
2649 key: ec256Priv,
2650 issuer: &Certificate{
2651 KeyUsage: KeyUsageCRLSign,
2652 Subject: pkix.Name{
2653 CommonName: "testing",
2654 },
2655 SubjectKeyId: []byte{1, 2, 3},
2656 },
2657 template: &RevocationList{
2658 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2659 NextUpdate: time.Time{}.Add(time.Hour * 48),
2660 },
2661 expectedError: "x509: template contains nil Number field",
2662 },
2663 {
2664 name: "long Number",
2665 key: ec256Priv,
2666 issuer: &Certificate{
2667 KeyUsage: KeyUsageCRLSign,
2668 Subject: pkix.Name{
2669 CommonName: "testing",
2670 },
2671 SubjectKeyId: []byte{1, 2, 3},
2672 },
2673 template: &RevocationList{
2674 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2675 NextUpdate: time.Time{}.Add(time.Hour * 48),
2676 Number: big.NewInt(0).SetBytes(append([]byte{1}, make([]byte, 20)...)),
2677 },
2678 expectedError: "x509: CRL number exceeds 20 octets",
2679 },
2680 {
2681 name: "long Number (20 bytes, MSB set)",
2682 key: ec256Priv,
2683 issuer: &Certificate{
2684 KeyUsage: KeyUsageCRLSign,
2685 Subject: pkix.Name{
2686 CommonName: "testing",
2687 },
2688 SubjectKeyId: []byte{1, 2, 3},
2689 },
2690 template: &RevocationList{
2691 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2692 NextUpdate: time.Time{}.Add(time.Hour * 48),
2693 Number: big.NewInt(0).SetBytes(append([]byte{255}, make([]byte, 19)...)),
2694 },
2695 expectedError: "x509: CRL number exceeds 20 octets",
2696 },
2697 {
2698 name: "invalid signature algorithm",
2699 key: ec256Priv,
2700 issuer: &Certificate{
2701 KeyUsage: KeyUsageCRLSign,
2702 Subject: pkix.Name{
2703 CommonName: "testing",
2704 },
2705 SubjectKeyId: []byte{1, 2, 3},
2706 },
2707 template: &RevocationList{
2708 SignatureAlgorithm: SHA256WithRSA,
2709 RevokedCertificates: []pkix.RevokedCertificate{
2710 {
2711 SerialNumber: big.NewInt(2),
2712 RevocationTime: time.Time{}.Add(time.Hour),
2713 },
2714 },
2715 Number: big.NewInt(5),
2716 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2717 NextUpdate: time.Time{}.Add(time.Hour * 48),
2718 },
2719 expectedError: "x509: requested SignatureAlgorithm does not match private key type",
2720 },
2721 {
2722 name: "valid",
2723 key: ec256Priv,
2724 issuer: &Certificate{
2725 KeyUsage: KeyUsageCRLSign,
2726 Subject: pkix.Name{
2727 CommonName: "testing",
2728 },
2729 SubjectKeyId: []byte{1, 2, 3},
2730 },
2731 template: &RevocationList{
2732 RevokedCertificateEntries: []RevocationListEntry{
2733 {
2734 SerialNumber: big.NewInt(2),
2735 RevocationTime: time.Time{}.Add(time.Hour),
2736 },
2737 },
2738 Number: big.NewInt(5),
2739 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2740 NextUpdate: time.Time{}.Add(time.Hour * 48),
2741 },
2742 },
2743 {
2744 name: "valid, reason code",
2745 key: ec256Priv,
2746 issuer: &Certificate{
2747 KeyUsage: KeyUsageCRLSign,
2748 Subject: pkix.Name{
2749 CommonName: "testing",
2750 },
2751 SubjectKeyId: []byte{1, 2, 3},
2752 },
2753 template: &RevocationList{
2754 RevokedCertificateEntries: []RevocationListEntry{
2755 {
2756 SerialNumber: big.NewInt(2),
2757 RevocationTime: time.Time{}.Add(time.Hour),
2758 ReasonCode: 1,
2759 },
2760 },
2761 Number: big.NewInt(5),
2762 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2763 NextUpdate: time.Time{}.Add(time.Hour * 48),
2764 },
2765 },
2766 {
2767 name: "valid, extra entry extension",
2768 key: ec256Priv,
2769 issuer: &Certificate{
2770 KeyUsage: KeyUsageCRLSign,
2771 Subject: pkix.Name{
2772 CommonName: "testing",
2773 },
2774 SubjectKeyId: []byte{1, 2, 3},
2775 },
2776 template: &RevocationList{
2777 RevokedCertificateEntries: []RevocationListEntry{
2778 {
2779 SerialNumber: big.NewInt(2),
2780 RevocationTime: time.Time{}.Add(time.Hour),
2781 ExtraExtensions: []pkix.Extension{
2782 {
2783 Id: []int{2, 5, 29, 99},
2784 Value: []byte{5, 0},
2785 },
2786 },
2787 },
2788 },
2789 Number: big.NewInt(5),
2790 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2791 NextUpdate: time.Time{}.Add(time.Hour * 48),
2792 },
2793 },
2794 {
2795 name: "valid, Ed25519 key",
2796 key: ed25519Priv,
2797 issuer: &Certificate{
2798 KeyUsage: KeyUsageCRLSign,
2799 Subject: pkix.Name{
2800 CommonName: "testing",
2801 },
2802 SubjectKeyId: []byte{1, 2, 3},
2803 },
2804 template: &RevocationList{
2805 RevokedCertificateEntries: []RevocationListEntry{
2806 {
2807 SerialNumber: big.NewInt(2),
2808 RevocationTime: time.Time{}.Add(time.Hour),
2809 },
2810 },
2811 Number: big.NewInt(5),
2812 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2813 NextUpdate: time.Time{}.Add(time.Hour * 48),
2814 },
2815 },
2816 {
2817 name: "valid, non-default signature algorithm",
2818 key: ec256Priv,
2819 issuer: &Certificate{
2820 KeyUsage: KeyUsageCRLSign,
2821 Subject: pkix.Name{
2822 CommonName: "testing",
2823 },
2824 SubjectKeyId: []byte{1, 2, 3},
2825 },
2826 template: &RevocationList{
2827 SignatureAlgorithm: ECDSAWithSHA512,
2828 RevokedCertificateEntries: []RevocationListEntry{
2829 {
2830 SerialNumber: big.NewInt(2),
2831 RevocationTime: time.Time{}.Add(time.Hour),
2832 },
2833 },
2834 Number: big.NewInt(5),
2835 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2836 NextUpdate: time.Time{}.Add(time.Hour * 48),
2837 },
2838 },
2839 {
2840 name: "valid, extra extension",
2841 key: ec256Priv,
2842 issuer: &Certificate{
2843 KeyUsage: KeyUsageCRLSign,
2844 Subject: pkix.Name{
2845 CommonName: "testing",
2846 },
2847 SubjectKeyId: []byte{1, 2, 3},
2848 },
2849 template: &RevocationList{
2850 RevokedCertificateEntries: []RevocationListEntry{
2851 {
2852 SerialNumber: big.NewInt(2),
2853 RevocationTime: time.Time{}.Add(time.Hour),
2854 },
2855 },
2856 Number: big.NewInt(5),
2857 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2858 NextUpdate: time.Time{}.Add(time.Hour * 48),
2859 ExtraExtensions: []pkix.Extension{
2860 {
2861 Id: []int{2, 5, 29, 99},
2862 Value: []byte{5, 0},
2863 },
2864 },
2865 },
2866 },
2867 {
2868 name: "valid, deprecated entries with extension",
2869 key: ec256Priv,
2870 issuer: &Certificate{
2871 KeyUsage: KeyUsageCRLSign,
2872 Subject: pkix.Name{
2873 CommonName: "testing",
2874 },
2875 SubjectKeyId: []byte{1, 2, 3},
2876 },
2877 template: &RevocationList{
2878 RevokedCertificates: []pkix.RevokedCertificate{
2879 {
2880 SerialNumber: big.NewInt(2),
2881 RevocationTime: time.Time{}.Add(time.Hour),
2882 Extensions: []pkix.Extension{
2883 {
2884 Id: []int{2, 5, 29, 99},
2885 Value: []byte{5, 0},
2886 },
2887 },
2888 },
2889 },
2890 Number: big.NewInt(5),
2891 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2892 NextUpdate: time.Time{}.Add(time.Hour * 48),
2893 },
2894 },
2895 {
2896 name: "valid, empty list",
2897 key: ec256Priv,
2898 issuer: &Certificate{
2899 KeyUsage: KeyUsageCRLSign,
2900 Subject: pkix.Name{
2901 CommonName: "testing",
2902 },
2903 SubjectKeyId: []byte{1, 2, 3},
2904 },
2905 template: &RevocationList{
2906 Number: big.NewInt(5),
2907 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2908 NextUpdate: time.Time{}.Add(time.Hour * 48),
2909 },
2910 },
2911 {
2912 name: "valid CA with utf8 Subject fields including Email, empty list",
2913 key: utf8Key,
2914 issuer: utf8CA,
2915 template: &RevocationList{
2916 Number: big.NewInt(5),
2917 ThisUpdate: time.Time{}.Add(time.Hour * 24),
2918 NextUpdate: time.Time{}.Add(time.Hour * 48),
2919 },
2920 },
2921 }
2922
2923 for _, tc := range tests {
2924 t.Run(tc.name, func(t *testing.T) {
2925 crl, err := CreateRevocationList(rand.Reader, tc.template, tc.issuer, tc.key)
2926 if err != nil && tc.expectedError == "" {
2927 t.Fatalf("CreateRevocationList failed unexpectedly: %s", err)
2928 } else if err != nil && tc.expectedError != err.Error() {
2929 t.Fatalf("CreateRevocationList failed unexpectedly, wanted: %s, got: %s", tc.expectedError, err)
2930 } else if err == nil && tc.expectedError != "" {
2931 t.Fatalf("CreateRevocationList didn't fail, expected: %s", tc.expectedError)
2932 }
2933 if tc.expectedError != "" {
2934 return
2935 }
2936
2937 parsedCRL, err := ParseRevocationList(crl)
2938 if err != nil {
2939 t.Fatalf("Failed to parse generated CRL: %s", err)
2940 }
2941
2942 if tc.template.SignatureAlgorithm != UnknownSignatureAlgorithm &&
2943 parsedCRL.SignatureAlgorithm != tc.template.SignatureAlgorithm {
2944 t.Fatalf("SignatureAlgorithm mismatch: got %v; want %v.", parsedCRL.SignatureAlgorithm,
2945 tc.template.SignatureAlgorithm)
2946 }
2947
2948 if len(tc.template.RevokedCertificates) > 0 {
2949 if !reflect.DeepEqual(parsedCRL.RevokedCertificates, tc.template.RevokedCertificates) {
2950 t.Fatalf("RevokedCertificates mismatch: got %v; want %v.",
2951 parsedCRL.RevokedCertificates, tc.template.RevokedCertificates)
2952 }
2953 } else {
2954 if len(parsedCRL.RevokedCertificateEntries) != len(tc.template.RevokedCertificateEntries) {
2955 t.Fatalf("RevokedCertificateEntries length mismatch: got %d; want %d.",
2956 len(parsedCRL.RevokedCertificateEntries),
2957 len(tc.template.RevokedCertificateEntries))
2958 }
2959 for i, rce := range parsedCRL.RevokedCertificateEntries {
2960 expected := tc.template.RevokedCertificateEntries[i]
2961 if rce.SerialNumber.Cmp(expected.SerialNumber) != 0 {
2962 t.Fatalf("RevocationListEntry serial mismatch: got %d; want %d.",
2963 rce.SerialNumber, expected.SerialNumber)
2964 }
2965 if !rce.RevocationTime.Equal(expected.RevocationTime) {
2966 t.Fatalf("RevocationListEntry revocation time mismatch: got %v; want %v.",
2967 rce.RevocationTime, expected.RevocationTime)
2968 }
2969 if rce.ReasonCode != expected.ReasonCode {
2970 t.Fatalf("RevocationListEntry reason code mismatch: got %d; want %d.",
2971 rce.ReasonCode, expected.ReasonCode)
2972 }
2973 }
2974 }
2975
2976 if len(parsedCRL.Extensions) != 2+len(tc.template.ExtraExtensions) {
2977 t.Fatalf("Generated CRL has wrong number of extensions, wanted: %d, got: %d", 2+len(tc.template.ExtraExtensions), len(parsedCRL.Extensions))
2978 }
2979 expectedAKI, err := asn1.Marshal(authKeyId{Id: tc.issuer.SubjectKeyId})
2980 if err != nil {
2981 t.Fatalf("asn1.Marshal failed: %s", err)
2982 }
2983 akiExt := pkix.Extension{
2984 Id: oidExtensionAuthorityKeyId,
2985 Value: expectedAKI,
2986 }
2987 if !reflect.DeepEqual(parsedCRL.Extensions[0], akiExt) {
2988 t.Fatalf("Unexpected first extension: got %v, want %v",
2989 parsedCRL.Extensions[0], akiExt)
2990 }
2991 expectedNum, err := asn1.Marshal(tc.template.Number)
2992 if err != nil {
2993 t.Fatalf("asn1.Marshal failed: %s", err)
2994 }
2995 crlExt := pkix.Extension{
2996 Id: oidExtensionCRLNumber,
2997 Value: expectedNum,
2998 }
2999 if !reflect.DeepEqual(parsedCRL.Extensions[1], crlExt) {
3000 t.Fatalf("Unexpected second extension: got %v, want %v",
3001 parsedCRL.Extensions[1], crlExt)
3002 }
3003
3004
3005
3006
3007
3008
3009 if len(tc.issuer.RawSubject) > 0 {
3010 issuerSubj, err := subjectBytes(tc.issuer)
3011 if err != nil {
3012 t.Fatalf("failed to get issuer subject: %s", err)
3013 }
3014 if !bytes.Equal(issuerSubj, parsedCRL.RawIssuer) {
3015 t.Fatalf("Unexpected issuer subject; wanted: %v, got: %v", hex.EncodeToString(issuerSubj), hex.EncodeToString(parsedCRL.RawIssuer))
3016 }
3017 } else {
3018
3019
3020
3021
3022 issuerRDN := tc.issuer.Subject.ToRDNSequence()
3023 var caIssuer pkix.Name
3024 caIssuer.FillFromRDNSequence(&issuerRDN)
3025 if !reflect.DeepEqual(caIssuer, parsedCRL.Issuer) {
3026 t.Fatalf("Expected issuer.Subject, parsedCRL.Issuer to be the same; wanted: %#v, got: %#v", caIssuer, parsedCRL.Issuer)
3027 }
3028 }
3029
3030 if len(parsedCRL.Extensions[2:]) == 0 && len(tc.template.ExtraExtensions) == 0 {
3031
3032
3033 return
3034 }
3035 if !reflect.DeepEqual(parsedCRL.Extensions[2:], tc.template.ExtraExtensions) {
3036 t.Fatalf("Extensions mismatch: got %v; want %v.",
3037 parsedCRL.Extensions[2:], tc.template.ExtraExtensions)
3038 }
3039
3040 if tc.template.Number != nil && parsedCRL.Number == nil {
3041 t.Fatalf("Generated CRL missing Number: got nil, want %s",
3042 tc.template.Number.String())
3043 }
3044 if tc.template.Number != nil && tc.template.Number.Cmp(parsedCRL.Number) != 0 {
3045 t.Fatalf("Generated CRL has wrong Number: got %s, want %s",
3046 parsedCRL.Number.String(), tc.template.Number.String())
3047 }
3048 if !bytes.Equal(parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId) {
3049 t.Fatalf("Generated CRL has wrong AuthorityKeyId: got %x, want %x",
3050 parsedCRL.AuthorityKeyId, tc.issuer.SubjectKeyId)
3051 }
3052 })
3053 }
3054 }
3055
3056 func TestRSAPSAParameters(t *testing.T) {
3057 generateParams := func(hashFunc crypto.Hash) []byte {
3058 var hashOID asn1.ObjectIdentifier
3059
3060 switch hashFunc {
3061 case crypto.SHA256:
3062 hashOID = oidSHA256
3063 case crypto.SHA384:
3064 hashOID = oidSHA384
3065 case crypto.SHA512:
3066 hashOID = oidSHA512
3067 }
3068
3069 params := pssParameters{
3070 Hash: pkix.AlgorithmIdentifier{
3071 Algorithm: hashOID,
3072 Parameters: asn1.NullRawValue,
3073 },
3074 MGF: pkix.AlgorithmIdentifier{
3075 Algorithm: oidMGF1,
3076 },
3077 SaltLength: hashFunc.Size(),
3078 TrailerField: 1,
3079 }
3080
3081 mgf1Params := pkix.AlgorithmIdentifier{
3082 Algorithm: hashOID,
3083 Parameters: asn1.NullRawValue,
3084 }
3085
3086 var err error
3087 params.MGF.Parameters.FullBytes, err = asn1.Marshal(mgf1Params)
3088 if err != nil {
3089 t.Fatalf("failed to marshal MGF parameters: %s", err)
3090 }
3091
3092 serialized, err := asn1.Marshal(params)
3093 if err != nil {
3094 t.Fatalf("failed to marshal parameters: %s", err)
3095 }
3096
3097 return serialized
3098 }
3099
3100 for _, detail := range signatureAlgorithmDetails {
3101 if !detail.isRSAPSS {
3102 continue
3103 }
3104 generated := generateParams(detail.hash)
3105 if !bytes.Equal(detail.params.FullBytes, generated) {
3106 t.Errorf("hardcoded parameters for %s didn't match generated parameters: got (generated) %x, wanted (hardcoded) %x", detail.hash, generated, detail.params.FullBytes)
3107 }
3108 }
3109 }
3110
3111 func TestUnknownExtKey(t *testing.T) {
3112 const errorContains = "unknown extended key usage"
3113
3114 template := &Certificate{
3115 SerialNumber: big.NewInt(10),
3116 DNSNames: []string{"foo"},
3117 ExtKeyUsage: []ExtKeyUsage{ExtKeyUsage(-1)},
3118 }
3119
3120 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), testPrivateKey)
3121 if !strings.Contains(err.Error(), errorContains) {
3122 t.Errorf("expected error containing %q, got %s", errorContains, err)
3123 }
3124 }
3125
3126 func TestIA5SANEnforcement(t *testing.T) {
3127 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3128 if err != nil {
3129 t.Fatalf("ecdsa.GenerateKey failed: %s", err)
3130 }
3131
3132 testURL, err := url.Parse("https://example.com/")
3133 if err != nil {
3134 t.Fatalf("url.Parse failed: %s", err)
3135 }
3136 testURL.RawQuery = "∞"
3137
3138 marshalTests := []struct {
3139 name string
3140 template *Certificate
3141 expectedError string
3142 }{
3143 {
3144 name: "marshal: unicode dNSName",
3145 template: &Certificate{
3146 SerialNumber: big.NewInt(0),
3147 DNSNames: []string{"∞"},
3148 },
3149 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3150 },
3151 {
3152 name: "marshal: unicode rfc822Name",
3153 template: &Certificate{
3154 SerialNumber: big.NewInt(0),
3155 EmailAddresses: []string{"∞"},
3156 },
3157 expectedError: "x509: \"∞\" cannot be encoded as an IA5String",
3158 },
3159 {
3160 name: "marshal: unicode uniformResourceIdentifier",
3161 template: &Certificate{
3162 SerialNumber: big.NewInt(0),
3163 URIs: []*url.URL{testURL},
3164 },
3165 expectedError: "x509: \"https://example.com/?∞\" cannot be encoded as an IA5String",
3166 },
3167 }
3168
3169 for _, tc := range marshalTests {
3170 t.Run(tc.name, func(t *testing.T) {
3171 _, err := CreateCertificate(rand.Reader, tc.template, tc.template, k.Public(), k)
3172 if err == nil {
3173 t.Errorf("expected CreateCertificate to fail with template: %v", tc.template)
3174 } else if err.Error() != tc.expectedError {
3175 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3176 }
3177 })
3178 }
3179
3180 unmarshalTests := []struct {
3181 name string
3182 cert string
3183 expectedError string
3184 }{
3185 {
3186 name: "unmarshal: unicode dNSName",
3187 cert: "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",
3188 expectedError: "x509: SAN dNSName is malformed",
3189 },
3190 {
3191 name: "unmarshal: unicode rfc822Name",
3192 cert: "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",
3193 expectedError: "x509: SAN rfc822Name is malformed",
3194 },
3195 {
3196 name: "unmarshal: unicode uniformResourceIdentifier",
3197 cert: "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",
3198 expectedError: "x509: SAN uniformResourceIdentifier is malformed",
3199 },
3200 }
3201
3202 for _, tc := range unmarshalTests {
3203 der, err := hex.DecodeString(tc.cert)
3204 if err != nil {
3205 t.Fatalf("failed to decode test cert: %s", err)
3206 }
3207 _, err = ParseCertificate(der)
3208 if err == nil {
3209 t.Error("expected CreateCertificate to fail")
3210 } else if err.Error() != tc.expectedError {
3211 t.Errorf("unexpected error: got %q, want %q", err.Error(), tc.expectedError)
3212 }
3213 }
3214 }
3215
3216 func BenchmarkCreateCertificate(b *testing.B) {
3217 template := &Certificate{
3218 SerialNumber: big.NewInt(10),
3219 DNSNames: []string{"example.com"},
3220 }
3221 tests := []struct {
3222 name string
3223 gen func() crypto.Signer
3224 }{
3225 {
3226 name: "RSA 2048",
3227 gen: func() crypto.Signer {
3228 k, err := rsa.GenerateKey(rand.Reader, 2048)
3229 if err != nil {
3230 b.Fatalf("failed to generate test key: %s", err)
3231 }
3232 return k
3233 },
3234 },
3235 {
3236 name: "ECDSA P256",
3237 gen: func() crypto.Signer {
3238 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3239 if err != nil {
3240 b.Fatalf("failed to generate test key: %s", err)
3241 }
3242 return k
3243 },
3244 },
3245 }
3246
3247 for _, tc := range tests {
3248 k := tc.gen()
3249 b.ResetTimer()
3250 b.Run(tc.name, func(b *testing.B) {
3251 for i := 0; i < b.N; i++ {
3252 _, err := CreateCertificate(rand.Reader, template, template, k.Public(), k)
3253 if err != nil {
3254 b.Fatalf("failed to create certificate: %s", err)
3255 }
3256 }
3257 })
3258 }
3259 }
3260
3261 type brokenSigner struct {
3262 pub crypto.PublicKey
3263 }
3264
3265 func (bs *brokenSigner) Public() crypto.PublicKey {
3266 return bs.pub
3267 }
3268
3269 func (bs *brokenSigner) Sign(_ io.Reader, _ []byte, _ crypto.SignerOpts) ([]byte, error) {
3270 return []byte{1, 2, 3}, nil
3271 }
3272
3273 func TestCreateCertificateBrokenSigner(t *testing.T) {
3274 template := &Certificate{
3275 SerialNumber: big.NewInt(10),
3276 DNSNames: []string{"example.com"},
3277 }
3278 expectedErr := "signature returned by signer is invalid"
3279 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3280 if err == nil {
3281 t.Fatal("expected CreateCertificate to fail with a broken signer")
3282 } else if !strings.Contains(err.Error(), expectedErr) {
3283 t.Fatalf("CreateCertificate returned an unexpected error: got %q, want %q", err, expectedErr)
3284 }
3285 }
3286
3287 func TestCreateCertificateLegacy(t *testing.T) {
3288 sigAlg := MD5WithRSA
3289 template := &Certificate{
3290 SerialNumber: big.NewInt(10),
3291 DNSNames: []string{"example.com"},
3292 SignatureAlgorithm: sigAlg,
3293 }
3294 _, err := CreateCertificate(rand.Reader, template, template, testPrivateKey.Public(), &brokenSigner{testPrivateKey.Public()})
3295 if err == nil {
3296 t.Fatal("CreateCertificate didn't fail when SignatureAlgorithm = MD5WithRSA")
3297 }
3298 }
3299
3300 func (s *CertPool) mustCert(t *testing.T, n int) *Certificate {
3301 c, err := s.lazyCerts[n].getCert()
3302 if err != nil {
3303 t.Fatalf("failed to load cert %d: %v", n, err)
3304 }
3305 return c
3306 }
3307
3308 func allCerts(t *testing.T, p *CertPool) []*Certificate {
3309 all := make([]*Certificate, p.len())
3310 for i := range all {
3311 all[i] = p.mustCert(t, i)
3312 }
3313 return all
3314 }
3315
3316
3317
3318 func certPoolEqual(a, b *CertPool) bool {
3319 if (a != nil) != (b != nil) {
3320 return false
3321 }
3322 if a == nil {
3323 return true
3324 }
3325 if !reflect.DeepEqual(a.byName, b.byName) ||
3326 len(a.lazyCerts) != len(b.lazyCerts) {
3327 return false
3328 }
3329 for i := range a.lazyCerts {
3330 la, lb := a.lazyCerts[i], b.lazyCerts[i]
3331 if !bytes.Equal(la.rawSubject, lb.rawSubject) {
3332 return false
3333 }
3334 ca, err := la.getCert()
3335 if err != nil {
3336 panic(err)
3337 }
3338 cb, err := la.getCert()
3339 if err != nil {
3340 panic(err)
3341 }
3342 if !ca.Equal(cb) {
3343 return false
3344 }
3345 }
3346
3347 return true
3348 }
3349
3350 func TestCertificateRequestRoundtripFields(t *testing.T) {
3351 urlA, err := url.Parse("https://example.com/_")
3352 if err != nil {
3353 t.Fatal(err)
3354 }
3355 urlB, err := url.Parse("https://example.org/_")
3356 if err != nil {
3357 t.Fatal(err)
3358 }
3359 in := &CertificateRequest{
3360 DNSNames: []string{"example.com", "example.org"},
3361 EmailAddresses: []string{"a@example.com", "b@example.com"},
3362 IPAddresses: []net.IP{net.IPv4(192, 0, 2, 0), net.IPv6loopback},
3363 URIs: []*url.URL{urlA, urlB},
3364 }
3365 out := marshalAndParseCSR(t, in)
3366
3367 if !slices.Equal(in.DNSNames, out.DNSNames) {
3368 t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames)
3369 }
3370 if !slices.Equal(in.EmailAddresses, out.EmailAddresses) {
3371 t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses)
3372 }
3373 if len(in.IPAddresses) != len(out.IPAddresses) ||
3374 !in.IPAddresses[0].Equal(out.IPAddresses[0]) ||
3375 !in.IPAddresses[1].Equal(out.IPAddresses[1]) {
3376 t.Fatalf("Unexpected IPAddresses: got %v, want %v", out.IPAddresses, in.IPAddresses)
3377 }
3378 if !reflect.DeepEqual(in.URIs, out.URIs) {
3379 t.Fatalf("Unexpected URIs: got %v, want %v", out.URIs, in.URIs)
3380 }
3381 }
3382
3383 func BenchmarkParseCertificate(b *testing.B) {
3384 cases := []struct {
3385 name string
3386 pem string
3387 }{
3388 {
3389 name: "ecdsa leaf",
3390 pem: `-----BEGIN CERTIFICATE-----
3391 MIIINjCCBx6gAwIBAgIQHdQ6oBMoe/MJAAAAAEHzmTANBgkqhkiG9w0BAQsFADBG
3392 MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
3393 QzETMBEGA1UEAxMKR1RTIENBIDFDMzAeFw0yMDEyMDgwOTExMzZaFw0yMTAzMDIw
3394 OTExMzVaMBcxFTATBgNVBAMMDCouZ29vZ2xlLmNvbTBZMBMGByqGSM49AgEGCCqG
3395 SM49AwEHA0IABEFYegyHh1AHRS1nar5+zYJgMACcsIQMtg0YMyK/59ml8ERIt/JF
3396 kXM3XIvQuCJhghUawZrrAcAs8djZF1U9M4mjggYYMIIGFDAOBgNVHQ8BAf8EBAMC
3397 B4AwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
3398 6SWWF36XBsmXJ6iV0EHPXUFoMbwwHwYDVR0jBBgwFoAUinR/r4XN7pXNPZzQ4kYU
3399 83E1HScwagYIKwYBBQUHAQEEXjBcMCcGCCsGAQUFBzABhhtodHRwOi8vb2NzcC5w
3400 a2kuZ29vZy9ndHMxYzMwMQYIKwYBBQUHMAKGJWh0dHA6Ly9wa2kuZ29vZy9yZXBv
3401 L2NlcnRzL2d0czFjMy5kZXIwggTCBgNVHREEggS5MIIEtYIMKi5nb29nbGUuY29t
3402 gg0qLmFuZHJvaWQuY29tghYqLmFwcGVuZ2luZS5nb29nbGUuY29tggkqLmJkbi5k
3403 ZXaCEiouY2xvdWQuZ29vZ2xlLmNvbYIYKi5jcm93ZHNvdXJjZS5nb29nbGUuY29t
3404 ghgqLmRhdGFjb21wdXRlLmdvb2dsZS5jb22CBiouZy5jb4IOKi5nY3AuZ3Z0Mi5j
3405 b22CESouZ2NwY2RuLmd2dDEuY29tggoqLmdncGh0LmNugg4qLmdrZWNuYXBwcy5j
3406 boIWKi5nb29nbGUtYW5hbHl0aWNzLmNvbYILKi5nb29nbGUuY2GCCyouZ29vZ2xl
3407 LmNsgg4qLmdvb2dsZS5jby5pboIOKi5nb29nbGUuY28uanCCDiouZ29vZ2xlLmNv
3408 LnVrgg8qLmdvb2dsZS5jb20uYXKCDyouZ29vZ2xlLmNvbS5hdYIPKi5nb29nbGUu
3409 Y29tLmJygg8qLmdvb2dsZS5jb20uY2+CDyouZ29vZ2xlLmNvbS5teIIPKi5nb29n
3410 bGUuY29tLnRygg8qLmdvb2dsZS5jb20udm6CCyouZ29vZ2xlLmRlggsqLmdvb2ds
3411 ZS5lc4ILKi5nb29nbGUuZnKCCyouZ29vZ2xlLmh1ggsqLmdvb2dsZS5pdIILKi5n
3412 b29nbGUubmyCCyouZ29vZ2xlLnBsggsqLmdvb2dsZS5wdIISKi5nb29nbGVhZGFw
3413 aXMuY29tgg8qLmdvb2dsZWFwaXMuY26CESouZ29vZ2xlY25hcHBzLmNughQqLmdv
3414 b2dsZWNvbW1lcmNlLmNvbYIRKi5nb29nbGV2aWRlby5jb22CDCouZ3N0YXRpYy5j
3415 boINKi5nc3RhdGljLmNvbYISKi5nc3RhdGljY25hcHBzLmNuggoqLmd2dDEuY29t
3416 ggoqLmd2dDIuY29tghQqLm1ldHJpYy5nc3RhdGljLmNvbYIMKi51cmNoaW4uY29t
3417 ghAqLnVybC5nb29nbGUuY29tghMqLndlYXIuZ2tlY25hcHBzLmNughYqLnlvdXR1
3418 YmUtbm9jb29raWUuY29tgg0qLnlvdXR1YmUuY29tghYqLnlvdXR1YmVlZHVjYXRp
3419 b24uY29tghEqLnlvdXR1YmVraWRzLmNvbYIHKi55dC5iZYILKi55dGltZy5jb22C
3420 GmFuZHJvaWQuY2xpZW50cy5nb29nbGUuY29tggthbmRyb2lkLmNvbYIbZGV2ZWxv
3421 cGVyLmFuZHJvaWQuZ29vZ2xlLmNughxkZXZlbG9wZXJzLmFuZHJvaWQuZ29vZ2xl
3422 LmNuggRnLmNvgghnZ3BodC5jboIMZ2tlY25hcHBzLmNuggZnb28uZ2yCFGdvb2ds
3423 ZS1hbmFseXRpY3MuY29tggpnb29nbGUuY29tgg9nb29nbGVjbmFwcHMuY26CEmdv
3424 b2dsZWNvbW1lcmNlLmNvbYIYc291cmNlLmFuZHJvaWQuZ29vZ2xlLmNuggp1cmNo
3425 aW4uY29tggp3d3cuZ29vLmdsggh5b3V0dS5iZYILeW91dHViZS5jb22CFHlvdXR1
3426 YmVlZHVjYXRpb24uY29tgg95b3V0dWJla2lkcy5jb22CBXl0LmJlMCEGA1UdIAQa
3427 MBgwCAYGZ4EMAQIBMAwGCisGAQQB1nkCBQMwNQYDVR0fBC4wLDAqoCigJoYkaHR0
3428 cDovL2NybC5wa2kuZ29vZy9ndHNyMS9ndHMxYzMuY3JsMBMGCisGAQQB1nkCBAMB
3429 Af8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAlDQm5zY7JcPxcJ9ulfTGsWV/m6Pro
3430 gLYmAlBUPGKy313aetT4Zjz44ZseVtUOKsXVHh4avPA9O+ta1FgkASlbkgJ05ivb
3431 j/+MMqkrLemdMv9Svvx3CNaAq2jJ2E+8GdrA1RzMkiNthJCiRafaPnXnN6hOHGNr
3432 GtqYfMHsvrRHW8J2IPHW0/MUHmJ/NDu/vNchxke2OEfCPLtseo3hJt8l8HbH+yE8
3433 DFrt8YVRi1CLomEyuPJDF4og3O3ZsoXuxcPd9UPxULOCxycdolRw8Iv/Xgr082j3
3434 svXC3HUd3apM2Yy3xJAlk/mUkzVXfdJZ+Zy1huNsUoJ+gM8rmpyGhYyx
3435 -----END CERTIFICATE-----`,
3436 },
3437 {
3438 name: "rsa leaf",
3439 pem: `-----BEGIN CERTIFICATE-----
3440 MIIJXjCCCEagAwIBAgIRAPYaTUsjP4iRBQAAAACHSSgwDQYJKoZIhvcNAQELBQAw
3441 QjELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczET
3442 MBEGA1UEAxMKR1RTIENBIDFPMTAeFw0yMTAxMjYwODQ2MzRaFw0yMTA0MjAwODQ2
3443 MzNaMGYxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQH
3444 Ew1Nb3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgTExDMRUwEwYDVQQDDAwq
3445 Lmdvb2dsZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC76xx0
3446 UdZ36/41rZNPfQ/yQ05vsBLUO0d+3uMOhvDlpst+XvIsG6L+vLDgf3RiQRFlei0h
3447 KqqLOtWLDc/y0+OmaaC+8ft1zljBYdvQlAYoZrT79Cc5pAIDq7G1OZ7cC4ahDno/
3448 n46FHjT/UTUAMYa8cKWBaMPneMIsKvn8nMdZzHkfO2nUd6OEecn90XweMvNmx8De
3449 6h5AlIgG3m66hkD/UCSdxn7yJHBQVdHgkfTqzv3sz2YyBQGNi288F1bn541f6khE
3450 fYti1MvXRtkky7yLCQNUG6PtvuSU4cKaNvRklHigf5i1nVdGEuH61gAElZIklSia
3451 OVK46UyU4DGtbdWNAgMBAAGjggYpMIIGJTAOBgNVHQ8BAf8EBAMCBaAwEwYDVR0l
3452 BAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU8zCvllLd3jhB
3453 k//+Wdjo40Q+T3gwHwYDVR0jBBgwFoAUmNH4bhDrz5vsYJ8YkBug630J/SswaAYI
3454 KwYBBQUHAQEEXDBaMCsGCCsGAQUFBzABhh9odHRwOi8vb2NzcC5wa2kuZ29vZy9n
3455 dHMxbzFjb3JlMCsGCCsGAQUFBzAChh9odHRwOi8vcGtpLmdvb2cvZ3NyMi9HVFMx
3456 TzEuY3J0MIIE1wYDVR0RBIIEzjCCBMqCDCouZ29vZ2xlLmNvbYINKi5hbmRyb2lk
3457 LmNvbYIWKi5hcHBlbmdpbmUuZ29vZ2xlLmNvbYIJKi5iZG4uZGV2ghIqLmNsb3Vk
3458 Lmdvb2dsZS5jb22CGCouY3Jvd2Rzb3VyY2UuZ29vZ2xlLmNvbYIYKi5kYXRhY29t
3459 cHV0ZS5nb29nbGUuY29tghMqLmZsYXNoLmFuZHJvaWQuY29tggYqLmcuY2+CDiou
3460 Z2NwLmd2dDIuY29tghEqLmdjcGNkbi5ndnQxLmNvbYIKKi5nZ3BodC5jboIOKi5n
3461 a2VjbmFwcHMuY26CFiouZ29vZ2xlLWFuYWx5dGljcy5jb22CCyouZ29vZ2xlLmNh
3462 ggsqLmdvb2dsZS5jbIIOKi5nb29nbGUuY28uaW6CDiouZ29vZ2xlLmNvLmpwgg4q
3463 Lmdvb2dsZS5jby51a4IPKi5nb29nbGUuY29tLmFygg8qLmdvb2dsZS5jb20uYXWC
3464 DyouZ29vZ2xlLmNvbS5icoIPKi5nb29nbGUuY29tLmNvgg8qLmdvb2dsZS5jb20u
3465 bXiCDyouZ29vZ2xlLmNvbS50coIPKi5nb29nbGUuY29tLnZuggsqLmdvb2dsZS5k
3466 ZYILKi5nb29nbGUuZXOCCyouZ29vZ2xlLmZyggsqLmdvb2dsZS5odYILKi5nb29n
3467 bGUuaXSCCyouZ29vZ2xlLm5sggsqLmdvb2dsZS5wbIILKi5nb29nbGUucHSCEiou
3468 Z29vZ2xlYWRhcGlzLmNvbYIPKi5nb29nbGVhcGlzLmNughEqLmdvb2dsZWNuYXBw
3469 cy5jboIUKi5nb29nbGVjb21tZXJjZS5jb22CESouZ29vZ2xldmlkZW8uY29tggwq
3470 LmdzdGF0aWMuY26CDSouZ3N0YXRpYy5jb22CEiouZ3N0YXRpY2NuYXBwcy5jboIK
3471 Ki5ndnQxLmNvbYIKKi5ndnQyLmNvbYIUKi5tZXRyaWMuZ3N0YXRpYy5jb22CDCou
3472 dXJjaGluLmNvbYIQKi51cmwuZ29vZ2xlLmNvbYITKi53ZWFyLmdrZWNuYXBwcy5j
3473 boIWKi55b3V0dWJlLW5vY29va2llLmNvbYINKi55b3V0dWJlLmNvbYIWKi55b3V0
3474 dWJlZWR1Y2F0aW9uLmNvbYIRKi55b3V0dWJla2lkcy5jb22CByoueXQuYmWCCyou
3475 eXRpbWcuY29tghphbmRyb2lkLmNsaWVudHMuZ29vZ2xlLmNvbYILYW5kcm9pZC5j
3476 b22CG2RldmVsb3Blci5hbmRyb2lkLmdvb2dsZS5jboIcZGV2ZWxvcGVycy5hbmRy
3477 b2lkLmdvb2dsZS5jboIEZy5jb4IIZ2dwaHQuY26CDGdrZWNuYXBwcy5jboIGZ29v
3478 LmdsghRnb29nbGUtYW5hbHl0aWNzLmNvbYIKZ29vZ2xlLmNvbYIPZ29vZ2xlY25h
3479 cHBzLmNughJnb29nbGVjb21tZXJjZS5jb22CGHNvdXJjZS5hbmRyb2lkLmdvb2ds
3480 ZS5jboIKdXJjaGluLmNvbYIKd3d3Lmdvby5nbIIIeW91dHUuYmWCC3lvdXR1YmUu
3481 Y29tghR5b3V0dWJlZWR1Y2F0aW9uLmNvbYIPeW91dHViZWtpZHMuY29tggV5dC5i
3482 ZTAhBgNVHSAEGjAYMAgGBmeBDAECAjAMBgorBgEEAdZ5AgUDMDMGA1UdHwQsMCow
3483 KKAmoCSGImh0dHA6Ly9jcmwucGtpLmdvb2cvR1RTMU8xY29yZS5jcmwwEwYKKwYB
3484 BAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEBAHh9/ozYUGRd+W5akWlM
3485 4WvX808TK2oUISnagbxCCFZ2trpg2oi03CJf4o4o3Je5Qzzz10s22oQY6gPHAR0B
3486 QHzrpqAveQw9D5vd8xjgtQ/SAujPzPKNQee5511rS7/EKW9I83ccd5XhhoEyx8A1
3487 /65RTS+2hKpJKTMkr0yHBPJV7kUW+n/KIef5YaSOA9VYK7hyH0niDpvm9EmoqvWS
3488 U5xAFAe/Xrrq3sxTuDJPQA8alk6h/ql5Klkw6dL53csiPka/MevDqdifWkzuT/6n
3489 YK/ePeJzPD17FA9V+N1rcuF3Wk29AZvCOSasdIkIuE82vGr3dfNrsrn9E9lWIbCr
3490 Qc4=
3491 -----END CERTIFICATE-----`,
3492 },
3493 }
3494 for _, c := range cases {
3495 b.Run(c.name, func(b *testing.B) {
3496 pemBlock, _ := pem.Decode([]byte(c.pem))
3497 b.ReportAllocs()
3498 b.ResetTimer()
3499 for i := 0; i < b.N; i++ {
3500 _, err := ParseCertificate(pemBlock.Bytes)
3501 if err != nil {
3502 b.Fatal(err)
3503 }
3504 }
3505 })
3506 }
3507 }
3508
3509 func TestParseCertificateRawEquals(t *testing.T) {
3510 p, _ := pem.Decode([]byte(pemCertificate))
3511 cert, err := ParseCertificate(p.Bytes)
3512 if err != nil {
3513 t.Fatalf("failed to parse certificate: %s", err)
3514 }
3515 if !bytes.Equal(p.Bytes, cert.Raw) {
3516 t.Fatalf("unexpected Certificate.Raw\ngot: %x\nwant: %x\n", cert.Raw, p.Bytes)
3517 }
3518 }
3519
3520
3521
3522
3523 const mismatchingSigAlgIDPEM = `-----BEGIN CERTIFICATE-----
3524 MIIBBzCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3525 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3526 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3527 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAKBggqhkjOPQQD
3528 AwNIADBFAiBi1jz/T2HT5nAfrD7zsgR+68qh7Erc6Q4qlxYBOgKG4QIhAOtjIn+Q
3529 tA+bq+55P3ntxTOVRq0nv1mwnkjwt9cQR9Fn
3530 -----END CERTIFICATE-----`
3531
3532
3533
3534
3535 const mismatchingSigAlgParamPEM = `-----BEGIN CERTIFICATE-----
3536 MIIBCTCBrqADAgECAgEAMAoGCCqGSM49BAMCMAAwIhgPMDAwMTAxMDEwMDAwMDBa
3537 GA8wMDAxMDEwMTAwMDAwMFowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABOqV
3538 EDuVXxwZgIU3+dOwv1SsMu0xuV48hf7xmK8n7sAMYgllB+96DnPqBeboJj4snYnx
3539 0AcE0PDVQ1l4Z3YXsQWjFTATMBEGA1UdEQEB/wQHMAWCA2FzZDAMBggqhkjOPQQD
3540 AgUAA0gAMEUCIGLWPP9PYdPmcB+sPvOyBH7ryqHsStzpDiqXFgE6AobhAiEA62Mi
3541 f5C0D5ur7nk/ee3FM5VGrSe/WbCeSPC31xBH0Wc=
3542 -----END CERTIFICATE-----`
3543
3544 func TestSigAlgMismatch(t *testing.T) {
3545 for _, certPEM := range []string{mismatchingSigAlgIDPEM, mismatchingSigAlgParamPEM} {
3546 b, _ := pem.Decode([]byte(certPEM))
3547 if b == nil {
3548 t.Fatalf("couldn't decode test certificate")
3549 }
3550 _, err := ParseCertificate(b.Bytes)
3551 if err == nil {
3552 t.Fatalf("expected ParseCertificate to fail")
3553 }
3554 expected := "x509: inner and outer signature algorithm identifiers don't match"
3555 if err.Error() != expected {
3556 t.Errorf("unexpected error from ParseCertificate: got %q, want %q", err.Error(), expected)
3557 }
3558 }
3559 }
3560
3561 const optionalAuthKeyIDPEM = `-----BEGIN CERTIFICATE-----
3562 MIIFEjCCBHugAwIBAgICAQwwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1Zh
3563 bGlDZXJ0IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIElu
3564 Yy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24g
3565 QXV0aG9yaXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAe
3566 BgkqhkiG9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTA0MDYyOTE3MzkxNloX
3567 DTI0MDYyOTE3MzkxNlowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVs
3568 ZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAy
3569 IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0A
3570 MIIBCAKCAQEAtzLI/ulxpgSFrQwRZN/OTe/IAxiHP6Gr+zymn/DDodrU2G4rU5D7
3571 JKQ+hPCe6F/s5SdE9SimP3ve4CrwyK9TL57KBQGTHo9mHDmnTfpatnMEJWbrd3/n
3572 WcZKmSUUVOsmx/N/GdUwcI+vsEYq/63rKe3Xn6oEh6PU+YmlNF/bQ5GCNtlmPLG4
3573 uYL9nDo+EMg77wZlZnqbGRg9/3FRPDAuX749d3OyXQZswyNWmiuFJpIcpwKz5D8N
3574 rwh5grg2Peqc0zWzvGnK9cyd6P1kjReAM25eSl2ZyR6HtJ0awNVuEzUjXt+bXz3v
3575 1vd2wuo+u3gNHEJnawTY+Nbab4vyRKABqwIBA6OCAfMwggHvMB0GA1UdDgQWBBS/
3576 X7fRzt0fhvRbVazc1xDCDqmI5zCB0gYDVR0jBIHKMIHHoYHBpIG+MIG7MSQwIgYD
3577 VQQHExtWYWxpQ2VydCBWYWxpZGF0aW9uIE5ldHdvcmsxFzAVBgNVBAoTDlZhbGlD
3578 ZXJ0LCBJbmMuMTUwMwYDVQQLEyxWYWxpQ2VydCBDbGFzcyAyIFBvbGljeSBWYWxp
3579 ZGF0aW9uIEF1dGhvcml0eTEhMB8GA1UEAxMYaHR0cDovL3d3dy52YWxpY2VydC5j
3580 b20vMSAwHgYJKoZIhvcNAQkBFhFpbmZvQHZhbGljZXJ0LmNvbYIBATAPBgNVHRMB
3581 Af8EBTADAQH/MDkGCCsGAQUFBwEBBC0wKzApBggrBgEFBQcwAYYdaHR0cDovL29j
3582 c3Auc3RhcmZpZWxkdGVjaC5jb20wSgYDVR0fBEMwQTA/oD2gO4Y5aHR0cDovL2Nl
3583 cnRpZmljYXRlcy5zdGFyZmllbGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3Jvb3QuY3Js
3584 MFEGA1UdIARKMEgwRgYEVR0gADA+MDwGCCsGAQUFBwIBFjBodHRwOi8vY2VydGlm
3585 aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkwDgYDVR0PAQH/BAQD
3586 AgEGMA0GCSqGSIb3DQEBBQUAA4GBAKVi8afCXSWlcD284ipxs33kDTcdVWptobCr
3587 mADkhWBKIMuh8D1195TaQ39oXCUIuNJ9MxB73HZn8bjhU3zhxoNbKXuNSm8uf0So
3588 GkVrMgfHeMpkksK0hAzc3S1fTbvdiuo43NlmouxBulVtWmQ9twPMHOKRUJ7jCUSV
3589 FxdzPcwl
3590 -----END CERTIFICATE-----`
3591
3592 func TestAuthKeyIdOptional(t *testing.T) {
3593 b, _ := pem.Decode([]byte(optionalAuthKeyIDPEM))
3594 if b == nil {
3595 t.Fatalf("couldn't decode test certificate")
3596 }
3597 _, err := ParseCertificate(b.Bytes)
3598 if err != nil {
3599 t.Fatalf("ParseCertificate to failed to parse certificate with optional authority key identifier fields: %s", err)
3600 }
3601 }
3602
3603 const largeOIDPEM = `
3604 Certificate:
3605 Data:
3606 Version: 3 (0x2)
3607 Serial Number:
3608 da:ba:53:19:1b:09:4b:82:b2:89:26:7d:c7:6f:a0:02
3609 Signature Algorithm: sha256WithRSAEncryption
3610 Issuer: O = Acme Co
3611 Validity
3612 Not Before: Dec 21 16:59:27 2021 GMT
3613 Not After : Dec 21 16:59:27 2022 GMT
3614 Subject: O = Acme Co
3615 Subject Public Key Info:
3616 Public Key Algorithm: rsaEncryption
3617 RSA Public-Key: (2048 bit)
3618 Modulus:
3619 00:bf:17:16:d8:bc:29:9c:16:e5:76:b4:93:15:78:
3620 ad:6e:45:c5:4a:63:46:a1:b2:76:71:65:51:9c:14:
3621 c4:ea:74:13:e4:34:df:2f:2c:65:11:e8:56:52:69:
3622 11:f9:0e:fc:77:bb:63:a8:7c:1a:c6:a1:7b:6e:6c:
3623 e7:18:25:25:c9:e8:fb:06:7f:a2:a9:98:fe:2a:bc:
3624 8a:b3:75:b6:b8:7d:b6:c9:6b:29:08:32:22:10:cb:
3625 8d:d6:60:c8:83:ad:f5:58:91:d6:11:e8:55:56:fb:
3626 8f:a3:a2:9f:48:cb:79:e4:65:4a:8c:a6:52:64:9f:
3627 99:38:35:d4:d5:ac:6f:cf:a0:cb:42:8c:07:eb:21:
3628 17:31:3a:eb:91:7b:62:43:a4:75:5f:ef:a7:2f:94:
3629 f8:69:0b:d4:ec:09:e6:00:c0:8c:dd:07:63:0b:e4:
3630 77:aa:60:18:3c:a0:e0:ae:0a:ea:0e:52:3b:b4:fa:
3631 6a:30:1b:50:62:21:73:53:33:01:60:a1:6b:99:58:
3632 00:f3:77:c6:0f:46:19:ca:c2:5d:cd:f5:e2:52:4d:
3633 84:94:23:d3:32:2f:ae:5f:da:43:a1:19:95:d2:17:
3634 dd:49:14:b4:d9:48:1c:08:13:93:8e:d5:09:43:21:
3635 b6:ce:52:e8:87:bb:d2:60:0d:c6:4e:bf:c5:93:6a:
3636 c6:bf
3637 Exponent: 65537 (0x10001)
3638 X509v3 extensions:
3639 X509v3 Key Usage: critical
3640 Digital Signature, Key Encipherment
3641 X509v3 Extended Key Usage:
3642 TLS Web Server Authentication
3643 X509v3 Basic Constraints: critical
3644 CA:FALSE
3645 X509v3 Subject Alternative Name:
3646 DNS:longOID.example
3647 X509v3 Certificate Policies:
3648 Policy: 1.3.6.1.4.1.311.21.8.1492336001
3649
3650 Signature Algorithm: sha256WithRSAEncryption
3651 72:77:8b:de:48:fb:6d:9a:94:b1:be:d4:90:7d:4c:e6:d3:79:
3652 fa:fb:fc:3e:d5:3d:e9:a0:ce:28:2b:2f:94:77:3f:87:f8:9c:
3653 9f:91:1c:f3:f6:58:91:15:6b:24:b9:ca:ae:9f:ee:ca:c8:31:
3654 db:1a:3d:bb:6b:83:6d:bc:81:8b:a1:79:d5:3e:bb:dd:93:fe:
3655 35:3e:b7:99:e0:d6:eb:58:0c:fd:42:73:dc:49:da:e2:b7:ae:
3656 15:ee:e6:cc:aa:ef:91:41:9a:18:46:8d:4a:39:65:a2:85:3c:
3657 7f:0c:41:f8:0b:9c:e8:1f:35:36:60:8d:8c:e0:8e:18:b1:06:
3658 57:d0:4e:c4:c3:cd:8f:6f:e7:76:02:52:da:03:43:61:2b:b3:
3659 bf:19:fd:73:0d:6a:0b:b4:b6:cb:a9:6f:70:4e:53:2a:54:07:
3660 b3:74:fd:85:49:57:5b:23:8d:8c:6b:53:2b:09:e8:41:a5:80:
3661 3f:69:1b:11:d1:6b:13:35:2e:f9:d6:50:15:d9:91:38:42:43:
3662 e9:17:af:67:d9:96:a4:d1:6a:4f:cc:b4:a7:8e:48:1f:00:72:
3663 69:de:4d:f1:73:a4:47:12:67:e9:f9:07:3e:79:75:90:42:b8:
3664 d4:b5:fd:d1:7e:35:04:f7:00:04:cf:f1:36:be:0f:27:81:1f:
3665 a6:ba:88:6c
3666 -----BEGIN CERTIFICATE-----
3667 MIIDHTCCAgWgAwIBAgIRANq6UxkbCUuCsokmfcdvoAIwDQYJKoZIhvcNAQELBQAw
3668 EjEQMA4GA1UEChMHQWNtZSBDbzAeFw0yMTEyMjExNjU5MjdaFw0yMjEyMjExNjU5
3669 MjdaMBIxEDAOBgNVBAoTB0FjbWUgQ28wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
3670 ggEKAoIBAQC/FxbYvCmcFuV2tJMVeK1uRcVKY0ahsnZxZVGcFMTqdBPkNN8vLGUR
3671 6FZSaRH5Dvx3u2OofBrGoXtubOcYJSXJ6PsGf6KpmP4qvIqzdba4fbbJaykIMiIQ
3672 y43WYMiDrfVYkdYR6FVW+4+jop9Iy3nkZUqMplJkn5k4NdTVrG/PoMtCjAfrIRcx
3673 OuuRe2JDpHVf76cvlPhpC9TsCeYAwIzdB2ML5HeqYBg8oOCuCuoOUju0+mowG1Bi
3674 IXNTMwFgoWuZWADzd8YPRhnKwl3N9eJSTYSUI9MyL65f2kOhGZXSF91JFLTZSBwI
3675 E5OO1QlDIbbOUuiHu9JgDcZOv8WTasa/AgMBAAGjbjBsMA4GA1UdDwEB/wQEAwIF
3676 oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMBoGA1UdEQQTMBGC
3677 D2xvbmdPSUQuZXhhbXBsZTAbBgNVHSAEFDASMBAGDisGAQQBgjcVCIXHzPsBMA0G
3678 CSqGSIb3DQEBCwUAA4IBAQByd4veSPttmpSxvtSQfUzm03n6+/w+1T3poM4oKy+U
3679 dz+H+JyfkRzz9liRFWskucqun+7KyDHbGj27a4NtvIGLoXnVPrvdk/41PreZ4Nbr
3680 WAz9QnPcSdrit64V7ubMqu+RQZoYRo1KOWWihTx/DEH4C5zoHzU2YI2M4I4YsQZX
3681 0E7Ew82Pb+d2AlLaA0NhK7O/Gf1zDWoLtLbLqW9wTlMqVAezdP2FSVdbI42Ma1Mr
3682 CehBpYA/aRsR0WsTNS751lAV2ZE4QkPpF69n2Zak0WpPzLSnjkgfAHJp3k3xc6RH
3683 Emfp+Qc+eXWQQrjUtf3RfjUE9wAEz/E2vg8ngR+muohs
3684 -----END CERTIFICATE-----`
3685
3686 func TestLargeOID(t *testing.T) {
3687
3688 b, _ := pem.Decode([]byte(largeOIDPEM))
3689 if b == nil {
3690 t.Fatalf("couldn't decode test certificate")
3691 }
3692 _, err := ParseCertificate(b.Bytes)
3693 if err != nil {
3694 t.Fatalf("ParseCertificate to failed to parse certificate with large OID: %s", err)
3695 }
3696 }
3697
3698 const uniqueIDPEM = `-----BEGIN CERTIFICATE-----
3699 MIIFsDCCBJigAwIBAgIILOyC1ydafZMwDQYJKoZIhvcNAQEFBQAwgY4xgYswgYgG
3700 A1UEAx6BgABNAGkAYwByAG8AcwBvAGYAdAAgAEYAbwByAGUAZgByAG8AbgB0ACAA
3701 VABNAEcAIABIAFQAVABQAFMAIABJAG4AcwBwAGUAYwB0AGkAbwBuACAAQwBlAHIA
3702 dABpAGYAaQBjAGEAdABpAG8AbgAgAEEAdQB0AGgAbwByAGkAdAB5MB4XDTE0MDEx
3703 ODAwNDEwMFoXDTE1MTExNTA5Mzc1NlowgZYxCzAJBgNVBAYTAklEMRAwDgYDVQQI
3704 EwdqYWthcnRhMRIwEAYDVQQHEwlJbmRvbmVzaWExHDAaBgNVBAoTE3N0aG9ub3Jl
3705 aG90ZWxyZXNvcnQxHDAaBgNVBAsTE3N0aG9ub3JlaG90ZWxyZXNvcnQxJTAjBgNV
3706 BAMTHG1haWwuc3Rob25vcmVob3RlbHJlc29ydC5jb20wggEiMA0GCSqGSIb3DQEB
3707 AQUAA4IBDwAwggEKAoIBAQCvuu0qpI+Ko2X84Twkf84cRD/rgp6vpgc5Ebejx/D4
3708 PEVON5edZkazrMGocK/oQqIlRxx/lefponN/chlGcllcVVPWTuFjs8k+Aat6T1qp
3709 4iXxZekAqX+U4XZMIGJD3PckPL6G2RQSlF7/LhGCsRNRdKpMWSTbou2Ma39g52Kf
3710 gsl3SK/GwLiWpxpcSkNQD1hugguEIsQYLxbeNwpcheXZtxbBGguPzQ7rH8c5vuKU
3711 BkMOzaiNKLzHbBdFSrua8KWwCJg76Vdq/q36O9GlW6YgG3i+A4pCJjXWerI1lWwX
3712 Ktk5V+SvUHGey1bkDuZKJ6myMk2pGrrPWCT7jP7WskChAgMBAAGBCQBCr1dgEleo
3713 cKOCAfswggH3MIHDBgNVHREEgbswgbiCHG1haWwuc3Rob25vcmVob3RlbHJlc29y
3714 dC5jb22CIGFzaGNoc3ZyLnN0aG9ub3JlaG90ZWxyZXNvcnQuY29tgiRBdXRvRGlz
3715 Y292ZXIuc3Rob25vcmVob3RlbHJlc29ydC5jb22CHEF1dG9EaXNjb3Zlci5ob3Rl
3716 bHJlc29ydC5jb22CCEFTSENIU1ZSghdzdGhvbm9yZWhvdGVscmVzb3J0LmNvbYIP
3717 aG90ZWxyZXNvcnQuY29tMCEGCSsGAQQBgjcUAgQUHhIAVwBlAGIAUwBlAHIAdgBl
3718 AHIwHQYDVR0OBBYEFMAC3UR4FwAdGekbhMgnd6lMejtbMAsGA1UdDwQEAwIFoDAT
3719 BgNVHSUEDDAKBggrBgEFBQcDATAJBgNVHRMEAjAAMIG/BgNVHQEEgbcwgbSAFGfF
3720 6xihk+gJJ5TfwvtWe1UFnHLQoYGRMIGOMYGLMIGIBgNVBAMegYAATQBpAGMAcgBv
3721 AHMAbwBmAHQAIABGAG8AcgBlAGYAcgBvAG4AdAAgAFQATQBHACAASABUAFQAUABT
3722 ACAASQBuAHMAcABlAGMAdABpAG8AbgAgAEMAZQByAHQAaQBmAGkAYwBhAHQAaQBv
3723 AG4AIABBAHUAdABoAG8AcgBpAHQAeYIIcKhXEmBXr0IwDQYJKoZIhvcNAQEFBQAD
3724 ggEBABlSxyCMr3+ANr+WmPSjyN5YCJBgnS0IFCwJAzIYP87bcTye/U8eQ2+E6PqG
3725 Q7Huj7nfHEw9qnGo+HNyPp1ad3KORzXDb54c6xEoi+DeuPzYHPbn4c3hlH49I0aQ
3726 eWW2w4RslSWpLvO6Y7Lboyz2/Thk/s2kd4RHxkkWpH2ltPqJuYYg3X6oM5+gIFHJ
3727 WGnh+ojZ5clKvS5yXh3Wkj78M6sb32KfcBk0Hx6NkCYPt60ODYmWtvqwtw6r73u5
3728 TnTYWRNvo2svX69TriL+CkHY9O1Hkwf2It5zHl3gNiKTJVaak8AuEz/CKWZneovt
3729 yYLwhUhg3PX5Co1VKYE+9TxloiE=
3730 -----END CERTIFICATE-----`
3731
3732 func TestParseUniqueID(t *testing.T) {
3733 b, _ := pem.Decode([]byte(uniqueIDPEM))
3734 if b == nil {
3735 t.Fatalf("couldn't decode test certificate")
3736 }
3737 cert, err := ParseCertificate(b.Bytes)
3738 if err != nil {
3739 t.Fatalf("ParseCertificate to failed to parse certificate with unique identifier id: %s", err)
3740 }
3741 if len(cert.Extensions) != 7 {
3742 t.Fatalf("unexpected number of extensions (probably because the extension section was not parsed): got %d, want 7", len(cert.Extensions))
3743 }
3744 }
3745
3746 func TestDisableSHA1ForCertOnly(t *testing.T) {
3747 t.Setenv("GODEBUG", "")
3748
3749 tmpl := &Certificate{
3750 SerialNumber: big.NewInt(1),
3751 NotBefore: time.Now().Add(-time.Hour),
3752 NotAfter: time.Now().Add(time.Hour),
3753 SignatureAlgorithm: SHA1WithRSA,
3754 BasicConstraintsValid: true,
3755 IsCA: true,
3756 KeyUsage: KeyUsageCertSign | KeyUsageCRLSign,
3757 }
3758 certDER, err := CreateCertificate(rand.Reader, tmpl, tmpl, rsaPrivateKey.Public(), rsaPrivateKey)
3759 if err != nil {
3760 t.Fatalf("failed to generate test cert: %s", err)
3761 }
3762 cert, err := ParseCertificate(certDER)
3763 if err != nil {
3764 t.Fatalf("failed to parse test cert: %s", err)
3765 }
3766
3767 err = cert.CheckSignatureFrom(cert)
3768 if err == nil {
3769 t.Error("expected CheckSignatureFrom to fail")
3770 } else if _, ok := err.(InsecureAlgorithmError); !ok {
3771 t.Errorf("expected InsecureAlgorithmError error, got %T", err)
3772 }
3773
3774 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{
3775 SignatureAlgorithm: SHA1WithRSA,
3776 Number: big.NewInt(1),
3777 ThisUpdate: time.Now().Add(-time.Hour),
3778 NextUpdate: time.Now().Add(time.Hour),
3779 }, cert, rsaPrivateKey)
3780 if err != nil {
3781 t.Fatalf("failed to generate test CRL: %s", err)
3782 }
3783 crl, err := ParseRevocationList(crlDER)
3784 if err != nil {
3785 t.Fatalf("failed to parse test CRL: %s", err)
3786 }
3787
3788 if err = crl.CheckSignatureFrom(cert); err != nil {
3789 t.Errorf("unexpected error: %s", err)
3790 }
3791
3792
3793
3794
3795 ocspTBSHex := "30819fa2160414884451ff502a695e2d88f421bad90cf2cecbea7c180f32303133303631383037323434335a30743072304a300906052b0e03021a0500041448b60d38238df8456e4ee5843ea394111802979f0414884451ff502a695e2d88f421bad90cf2cecbea7c021100f78b13b946fc9635d8ab49de9d2148218000180f32303133303631383037323434335aa011180f32303133303632323037323434335a"
3796 ocspTBS, err := hex.DecodeString(ocspTBSHex)
3797 if err != nil {
3798 t.Fatalf("failed to decode OCSP response TBS hex: %s", err)
3799 }
3800
3801 err = cert.CheckSignature(SHA1WithRSA, ocspTBS, nil)
3802 if err != rsa.ErrVerification {
3803 t.Errorf("unexpected error: %s", err)
3804 }
3805 }
3806
3807 func TestParseRevocationList(t *testing.T) {
3808 derBytes := fromBase64(derCRLBase64)
3809 certList, err := ParseRevocationList(derBytes)
3810 if err != nil {
3811 t.Errorf("error parsing: %s", err)
3812 return
3813 }
3814 numCerts := len(certList.RevokedCertificateEntries)
3815 numCertsDeprecated := len(certList.RevokedCertificateEntries)
3816 expected := 88
3817 if numCerts != expected || numCertsDeprecated != expected {
3818 t.Errorf("bad number of revoked certificates. got: %d want: %d", numCerts, expected)
3819 }
3820 }
3821
3822 func TestRevocationListCheckSignatureFrom(t *testing.T) {
3823 goodKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3824 if err != nil {
3825 t.Fatalf("failed to generate test key: %s", err)
3826 }
3827 badKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
3828 if err != nil {
3829 t.Fatalf("failed to generate test key: %s", err)
3830 }
3831 tests := []struct {
3832 name string
3833 issuer *Certificate
3834 err string
3835 }{
3836 {
3837 name: "valid",
3838 issuer: &Certificate{
3839 Version: 3,
3840 BasicConstraintsValid: true,
3841 IsCA: true,
3842 PublicKeyAlgorithm: ECDSA,
3843 PublicKey: goodKey.Public(),
3844 },
3845 },
3846 {
3847 name: "valid, key usage set",
3848 issuer: &Certificate{
3849 Version: 3,
3850 BasicConstraintsValid: true,
3851 IsCA: true,
3852 PublicKeyAlgorithm: ECDSA,
3853 PublicKey: goodKey.Public(),
3854 KeyUsage: KeyUsageCRLSign,
3855 },
3856 },
3857 {
3858 name: "invalid issuer, wrong key usage",
3859 issuer: &Certificate{
3860 Version: 3,
3861 BasicConstraintsValid: true,
3862 IsCA: true,
3863 PublicKeyAlgorithm: ECDSA,
3864 PublicKey: goodKey.Public(),
3865 KeyUsage: KeyUsageCertSign,
3866 },
3867 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3868 },
3869 {
3870 name: "invalid issuer, no basic constraints/ca",
3871 issuer: &Certificate{
3872 Version: 3,
3873 PublicKeyAlgorithm: ECDSA,
3874 PublicKey: goodKey.Public(),
3875 },
3876 err: "x509: invalid signature: parent certificate cannot sign this kind of certificate",
3877 },
3878 {
3879 name: "invalid issuer, unsupported public key type",
3880 issuer: &Certificate{
3881 Version: 3,
3882 BasicConstraintsValid: true,
3883 IsCA: true,
3884 PublicKeyAlgorithm: UnknownPublicKeyAlgorithm,
3885 PublicKey: goodKey.Public(),
3886 },
3887 err: "x509: cannot verify signature: algorithm unimplemented",
3888 },
3889 {
3890 name: "wrong key",
3891 issuer: &Certificate{
3892 Version: 3,
3893 BasicConstraintsValid: true,
3894 IsCA: true,
3895 PublicKeyAlgorithm: ECDSA,
3896 PublicKey: badKey.Public(),
3897 },
3898 err: "x509: ECDSA verification failure",
3899 },
3900 }
3901
3902 crlIssuer := &Certificate{
3903 BasicConstraintsValid: true,
3904 IsCA: true,
3905 PublicKeyAlgorithm: ECDSA,
3906 PublicKey: goodKey.Public(),
3907 KeyUsage: KeyUsageCRLSign,
3908 SubjectKeyId: []byte{1, 2, 3},
3909 }
3910 for _, tc := range tests {
3911 t.Run(tc.name, func(t *testing.T) {
3912 crlDER, err := CreateRevocationList(rand.Reader, &RevocationList{Number: big.NewInt(1)}, crlIssuer, goodKey)
3913 if err != nil {
3914 t.Fatalf("failed to generate CRL: %s", err)
3915 }
3916 crl, err := ParseRevocationList(crlDER)
3917 if err != nil {
3918 t.Fatalf("failed to parse test CRL: %s", err)
3919 }
3920 err = crl.CheckSignatureFrom(tc.issuer)
3921 if err != nil && err.Error() != tc.err {
3922 t.Errorf("unexpected error: got %s, want %s", err, tc.err)
3923 } else if err == nil && tc.err != "" {
3924 t.Errorf("CheckSignatureFrom did not fail: want %s", tc.err)
3925 }
3926 })
3927 }
3928 }
3929
3930 func TestOmitEmptyExtensions(t *testing.T) {
3931 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3932 if err != nil {
3933 t.Fatal(err)
3934 }
3935 tmpl := &Certificate{
3936 SerialNumber: big.NewInt(1),
3937 Subject: pkix.Name{
3938 CommonName: ":)",
3939 },
3940 NotAfter: time.Now().Add(time.Hour),
3941 NotBefore: time.Now().Add(-time.Hour),
3942 }
3943 der, err := CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3944 if err != nil {
3945 t.Fatal(err)
3946 }
3947
3948 emptyExtSeq := []byte{0xA3, 0x02, 0x30, 0x00}
3949 if bytes.Contains(der, emptyExtSeq) {
3950 t.Error("DER encoding contains the an empty extensions SEQUENCE")
3951 }
3952 }
3953
3954 var negativeSerialCert = `-----BEGIN CERTIFICATE-----
3955 MIIBBTCBraADAgECAgH/MAoGCCqGSM49BAMCMA0xCzAJBgNVBAMTAjopMB4XDTIy
3956 MDQxNDIzNTYwNFoXDTIyMDQxNTAxNTYwNFowDTELMAkGA1UEAxMCOikwWTATBgcq
3957 hkjOPQIBBggqhkjOPQMBBwNCAAQ9ezsIsj+q17K87z/PXE/rfGRN72P/Wyn5d6oo
3958 5M0ZbSatuntMvfKdX79CQxXAxN4oXk3Aov4jVSG12AcDI8ShMAoGCCqGSM49BAMC
3959 A0cAMEQCIBzfBU5eMPT6m5lsR6cXaJILpAaiD9YxOl4v6dT3rzEjAiBHmjnHmAss
3960 RqUAyJKFzqZxOlK2q4j2IYnuj5+LrLGbQA==
3961 -----END CERTIFICATE-----`
3962
3963 func TestParseNegativeSerial(t *testing.T) {
3964 pemBlock, _ := pem.Decode([]byte(negativeSerialCert))
3965 _, err := ParseCertificate(pemBlock.Bytes)
3966 if err == nil {
3967 t.Fatal("parsed certificate with negative serial")
3968 }
3969 }
3970
3971 func TestCreateNegativeSerial(t *testing.T) {
3972 k, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
3973 if err != nil {
3974 t.Fatal(err)
3975 }
3976 tmpl := &Certificate{
3977 SerialNumber: big.NewInt(-1),
3978 Subject: pkix.Name{
3979 CommonName: ":)",
3980 },
3981 NotAfter: time.Now().Add(time.Hour),
3982 NotBefore: time.Now().Add(-time.Hour),
3983 }
3984 expectedErr := "x509: serial number must be positive"
3985 _, err = CreateCertificate(rand.Reader, tmpl, tmpl, k.Public(), k)
3986 if err == nil || err.Error() != expectedErr {
3987 t.Errorf("CreateCertificate returned unexpected error: want %q, got %q", expectedErr, err)
3988 }
3989 }
3990
3991 const dupExtCert = `-----BEGIN CERTIFICATE-----
3992 MIIBrjCCARegAwIBAgIBATANBgkqhkiG9w0BAQsFADAPMQ0wCwYDVQQDEwR0ZXN0
3993 MCIYDzAwMDEwMTAxMDAwMDAwWhgPMDAwMTAxMDEwMDAwMDBaMA8xDTALBgNVBAMT
3994 BHRlc3QwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMiFchnHms9l9NninAIz
3995 SkY9acwl9Bk2AtmJrNCenFpiA17AcOO5q8DJYwdXi6WPKlVgcyH+ysW8XMWkq+CP
3996 yhtF/+LMzl9odaUF2iUy3vgTC5gxGLWH5URVssx21Und2Pm2f4xyou5IVxbS9dxy
3997 jLvV9PEY9BIb0H+zFthjhihDAgMBAAGjFjAUMAgGAioDBAIFADAIBgIqAwQCBQAw
3998 DQYJKoZIhvcNAQELBQADgYEAlhQ4TQQKIQ8GUyzGiN/75TCtQtjhMGemxc0cNgre
3999 d9rmm4DjydH0t7/sMCB56lQrfhJNplguzsbjFW4l245KbNKHfLiqwEGUgZjBNKur
4000 ot6qX/skahLtt0CNOaFIge75HVKe/69OrWQGdp18dkay/KS4Glu8YMKIjOhfrUi1
4001 NZA=
4002 -----END CERTIFICATE-----`
4003
4004 func TestDuplicateExtensionsCert(t *testing.T) {
4005 b, _ := pem.Decode([]byte(dupExtCert))
4006 if b == nil {
4007 t.Fatalf("couldn't decode test certificate")
4008 }
4009 _, err := ParseCertificate(b.Bytes)
4010 if err == nil {
4011 t.Fatal("ParseCertificate should fail when parsing certificate with duplicate extensions")
4012 }
4013 }
4014
4015 const dupExtCSR = `-----BEGIN CERTIFICATE REQUEST-----
4016 MIIBczCB3QIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
4017 ADCBiQKBgQC5PbxMGVJ8aLF9lq/EvGObXTRMB7ieiZL9N+DJZg1n/ECCnZLIvYrr
4018 ZmmDV7YZsClgxKGfjJB0RQFFyZElFM9EfHEs8NJdidDKCRdIhDXQWRyhXKevHvdm
4019 CQNKzUeoxvdHpU/uscSkw6BgUzPyLyTx9A6ye2ix94z8Y9hGOBO2DQIDAQABoCUw
4020 IwYJKoZIhvcNAQkOMRYwFDAIBgIqAwQCBQAwCAYCKgMEAgUAMA0GCSqGSIb3DQEB
4021 CwUAA4GBAHROEsE7URk1knXmBnQtIHwoq663vlMcX3Hes58pUy020rWP8QkocA+X
4022 VF18/phg3p5ILlS4fcbbP2bEeV0pePo2k00FDPsJEKCBAX2LKxbU7Vp2OuV2HM2+
4023 VLOVx0i+/Q7fikp3hbN1JwuMTU0v2KL/IKoUcZc02+5xiYrnOIt5
4024 -----END CERTIFICATE REQUEST-----`
4025
4026 func TestDuplicateExtensionsCSR(t *testing.T) {
4027 b, _ := pem.Decode([]byte(dupExtCSR))
4028 if b == nil {
4029 t.Fatalf("couldn't decode test CSR")
4030 }
4031 _, err := ParseCertificateRequest(b.Bytes)
4032 if err == nil {
4033 t.Fatal("ParseCertificateRequest should fail when parsing CSR with duplicate extensions")
4034 }
4035 }
4036
4037 const dupAttCSR = `-----BEGIN CERTIFICATE REQUEST-----
4038 MIIBbDCB1gIBADAPMQ0wCwYDVQQDEwR0ZXN0MIGfMA0GCSqGSIb3DQEBAQUAA4GN
4039 ADCBiQKBgQCj5Po3PKO/JNuxr+B+WNfMIzqqYztdlv+mTQhT0jOR5rTkUvxeeHH8
4040 YclryES2dOISjaUOTmOAr5GQIIdQl4Ql33Cp7ZR/VWcRn+qvTak0Yow+xVsDo0n4
4041 7IcvvP6CJ7FRoYBUakVczeXLxCjLwdyK16VGJM06eRzDLykPxpPwLQIDAQABoB4w
4042 DQYCKgMxBwwFdGVzdDEwDQYCKgMxBwwFdGVzdDIwDQYJKoZIhvcNAQELBQADgYEA
4043 UJ8hsHxtnIeqb2ufHnQFJO+wEJhx2Uxm/BTuzHOeffuQkwATez4skZ7SlX9exgb7
4044 6jRMRilqb4F7f8w+uDoqxRrA9zc8mwY16zPsyBhRet+ZGbj/ilgvGmtZ21qZZ/FU
4045 0pJFJIVLM3l49Onr5uIt5+hCWKwHlgE0nGpjKLR3cMg=
4046 -----END CERTIFICATE REQUEST-----`
4047
4048 func TestDuplicateAttributesCSR(t *testing.T) {
4049 b, _ := pem.Decode([]byte(dupAttCSR))
4050 if b == nil {
4051 t.Fatalf("couldn't decode test CSR")
4052 }
4053 _, err := ParseCertificateRequest(b.Bytes)
4054 if err != nil {
4055 t.Fatal("ParseCertificateRequest should succeed when parsing CSR with duplicate attributes")
4056 }
4057 }
4058
4059 func TestCertificateOIDPoliciesGODEBUG(t *testing.T) {
4060 t.Setenv("GODEBUG", "x509usepolicies=0")
4061
4062 template := Certificate{
4063 SerialNumber: big.NewInt(1),
4064 Subject: pkix.Name{CommonName: "Cert"},
4065 NotBefore: time.Unix(1000, 0),
4066 NotAfter: time.Unix(100000, 0),
4067 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
4068 }
4069
4070 var expectPolicyIdentifiers = []asn1.ObjectIdentifier{
4071 []int{1, 2, 3},
4072 }
4073
4074 var expectPolicies = []OID{
4075 mustNewOIDFromInts([]uint64{1, 2, 3}),
4076 }
4077
4078 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4079 if err != nil {
4080 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4081 }
4082
4083 cert, err := ParseCertificate(certDER)
4084 if err != nil {
4085 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4086 }
4087
4088 if !slices.EqualFunc(cert.PolicyIdentifiers, expectPolicyIdentifiers, slices.Equal) {
4089 t.Errorf("cert.PolicyIdentifiers = %v, want: %v", cert.PolicyIdentifiers, expectPolicyIdentifiers)
4090 }
4091
4092 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4093 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4094 }
4095 }
4096
4097 func TestCertificatePolicies(t *testing.T) {
4098 if x509usepolicies.Value() == "0" {
4099 t.Skip("test relies on default x509usepolicies GODEBUG")
4100 }
4101
4102 template := Certificate{
4103 SerialNumber: big.NewInt(1),
4104 Subject: pkix.Name{CommonName: "Cert"},
4105 NotBefore: time.Unix(1000, 0),
4106 NotAfter: time.Unix(100000, 0),
4107 PolicyIdentifiers: []asn1.ObjectIdentifier{[]int{1, 2, 3}},
4108 Policies: []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})},
4109 }
4110
4111 expectPolicies := []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})}
4112 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4113 if err != nil {
4114 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4115 }
4116
4117 cert, err := ParseCertificate(certDER)
4118 if err != nil {
4119 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4120 }
4121
4122 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4123 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4124 }
4125
4126 t.Setenv("GODEBUG", "x509usepolicies=1")
4127 expectPolicies = []OID{mustNewOIDFromInts([]uint64{1, 2, math.MaxUint32 + 1})}
4128
4129 certDER, err = CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4130 if err != nil {
4131 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4132 }
4133
4134 cert, err = ParseCertificate(certDER)
4135 if err != nil {
4136 t.Fatalf("ParseCertificate() unexpected error: %v", err)
4137 }
4138
4139 if !slices.EqualFunc(cert.Policies, expectPolicies, OID.Equal) {
4140 t.Errorf("cert.Policies = %v, want: %v", cert.Policies, expectPolicies)
4141 }
4142 }
4143
4144 func TestGob(t *testing.T) {
4145
4146
4147 cert := new(Certificate)
4148 err := gob.NewEncoder(io.Discard).Encode(cert)
4149 if err != nil {
4150 t.Fatal(err)
4151 }
4152 }
4153
4154 func TestRejectCriticalAKI(t *testing.T) {
4155 template := Certificate{
4156 SerialNumber: big.NewInt(1),
4157 Subject: pkix.Name{CommonName: "Cert"},
4158 NotBefore: time.Unix(1000, 0),
4159 NotAfter: time.Unix(100000, 0),
4160 ExtraExtensions: []pkix.Extension{
4161 {
4162 Id: asn1.ObjectIdentifier{2, 5, 29, 35},
4163 Critical: true,
4164 Value: []byte{1, 2, 3},
4165 },
4166 },
4167 }
4168 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4169 if err != nil {
4170 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4171 }
4172 expectedErr := "x509: authority key identifier incorrectly marked critical"
4173 _, err = ParseCertificate(certDER)
4174 if err == nil || err.Error() != expectedErr {
4175 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4176 }
4177 }
4178
4179 func TestRejectCriticalAIA(t *testing.T) {
4180 template := Certificate{
4181 SerialNumber: big.NewInt(1),
4182 Subject: pkix.Name{CommonName: "Cert"},
4183 NotBefore: time.Unix(1000, 0),
4184 NotAfter: time.Unix(100000, 0),
4185 ExtraExtensions: []pkix.Extension{
4186 {
4187 Id: asn1.ObjectIdentifier{1, 3, 6, 1, 5, 5, 7, 1, 1},
4188 Critical: true,
4189 Value: []byte{1, 2, 3},
4190 },
4191 },
4192 }
4193 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4194 if err != nil {
4195 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4196 }
4197 expectedErr := "x509: authority info access incorrectly marked critical"
4198 _, err = ParseCertificate(certDER)
4199 if err == nil || err.Error() != expectedErr {
4200 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4201 }
4202 }
4203
4204 func TestRejectCriticalSKI(t *testing.T) {
4205 template := Certificate{
4206 SerialNumber: big.NewInt(1),
4207 Subject: pkix.Name{CommonName: "Cert"},
4208 NotBefore: time.Unix(1000, 0),
4209 NotAfter: time.Unix(100000, 0),
4210 ExtraExtensions: []pkix.Extension{
4211 {
4212 Id: asn1.ObjectIdentifier{2, 5, 29, 14},
4213 Critical: true,
4214 Value: []byte{1, 2, 3},
4215 },
4216 },
4217 }
4218 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4219 if err != nil {
4220 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4221 }
4222 expectedErr := "x509: subject key identifier incorrectly marked critical"
4223 _, err = ParseCertificate(certDER)
4224 if err == nil || err.Error() != expectedErr {
4225 t.Fatalf("ParseCertificate() unexpected error: %v, want: %s", err, expectedErr)
4226 }
4227 }
4228
4229 type messageSigner struct{}
4230
4231 func (ms *messageSigner) Public() crypto.PublicKey { return rsaPrivateKey.Public() }
4232
4233 func (ms *messageSigner) Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error) {
4234 return nil, errors.New("unimplemented")
4235 }
4236
4237 func (ms *messageSigner) SignMessage(rand io.Reader, msg []byte, opts crypto.SignerOpts) (signature []byte, err error) {
4238 if _, ok := opts.(*rsa.PSSOptions); ok {
4239 return nil, errors.New("PSSOptions passed instead of hash")
4240 }
4241 h := opts.HashFunc().New()
4242 h.Write(msg)
4243 tbs := h.Sum(nil)
4244 return rsa.SignPKCS1v15(rand, rsaPrivateKey, opts.HashFunc(), tbs)
4245 }
4246
4247 func TestMessageSigner(t *testing.T) {
4248 template := Certificate{
4249 SignatureAlgorithm: SHA256WithRSA,
4250 SerialNumber: big.NewInt(1),
4251 Subject: pkix.Name{CommonName: "Cert"},
4252 NotBefore: time.Unix(1000, 0),
4253 NotAfter: time.Unix(100000, 0),
4254 BasicConstraintsValid: true,
4255 IsCA: true,
4256 }
4257 certDER, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), &messageSigner{})
4258 if err != nil {
4259 t.Fatalf("CreateCertificate failed: %s", err)
4260 }
4261 cert, err := ParseCertificate(certDER)
4262 if err != nil {
4263 t.Fatalf("ParseCertificate failed: %s", err)
4264 }
4265 if err := cert.CheckSignatureFrom(cert); err != nil {
4266 t.Fatalf("CheckSignatureFrom failed: %s", err)
4267 }
4268 }
4269
4270 func TestCreateCertificateNegativeMaxPathLength(t *testing.T) {
4271 template := Certificate{
4272 SerialNumber: big.NewInt(1),
4273 Subject: pkix.Name{CommonName: "TEST"},
4274 NotBefore: time.Unix(1000, 0),
4275 NotAfter: time.Unix(100000, 0),
4276 BasicConstraintsValid: true,
4277 IsCA: true,
4278
4279
4280 MaxPathLen: -1,
4281 }
4282
4283 _, err := CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4284 if err != nil {
4285 t.Fatalf("CreateCertificate() unexpected error: %v", err)
4286 }
4287
4288 template.MaxPathLen = -2
4289 _, err = CreateCertificate(rand.Reader, &template, &template, rsaPrivateKey.Public(), rsaPrivateKey)
4290 if err == nil || err.Error() != "x509: invalid MaxPathLen, must be greater or equal to -1" {
4291 t.Fatalf(`CreateCertificate() = %v; want = "x509: invalid MaxPathLen, must be greater or equal to -1"`, err)
4292 }
4293 }
4294
4295 func TestEKUOIDS(t *testing.T) {
4296 for _, eku := range extKeyUsageOIDs {
4297 oid := eku.extKeyUsage.OID()
4298 if !oid.EqualASN1OID(eku.oid) {
4299 t.Errorf("extKeyUsage %v: expected OID %v, got %v", eku.extKeyUsage, eku.oid, oid)
4300 }
4301 }
4302 }
4303
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