-
-
Notifications
You must be signed in to change notification settings - Fork 4
/
converter.go
546 lines (454 loc) · 13.4 KB
/
converter.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
package crypto
import (
"bytes"
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"fmt"
"strings"
"github.com/Laisky/errors/v2"
gutils "github.com/Laisky/go-utils/v4"
)
// SecureCipherSuites get golang built-in cipher suites without known insecure suites
func SecureCipherSuites(filter func(*tls.CipherSuite) bool) []uint16 {
var cs []uint16
for _, s := range tls.CipherSuites() {
if filter == nil || filter(s) {
cs = append(cs, s.ID)
}
}
return cs
}
// RSAPrikeyBits width of rsa private key
type RSAPrikeyBits int
const (
// RSAPrikeyBits2048 rsa private key with 2048 bits
RSAPrikeyBits2048 RSAPrikeyBits = 2048
// RSAPrikeyBits3072 rsa private key with 3072 bits
RSAPrikeyBits3072 RSAPrikeyBits = 3072
// RSAPrikeyBits4096 rsa private key with 4096 bits
RSAPrikeyBits4096 RSAPrikeyBits = 4096
)
// NewRSAPrikey new rsa privat ekey
func NewRSAPrikey(bits RSAPrikeyBits) (*rsa.PrivateKey, error) {
switch bits {
case RSAPrikeyBits2048, RSAPrikeyBits3072, RSAPrikeyBits4096:
default:
return nil, errors.Errorf("not support bits %d", bits)
}
return rsa.GenerateKey(rand.Reader, int(bits))
}
// ECDSACurve algorithms
type ECDSACurve string
const (
// ECDSACurveP256 ecdsa with P256
ECDSACurveP256 ECDSACurve = "P256"
// ECDSACurveP384 ecdsa with P384
ECDSACurveP384 ECDSACurve = "P384"
// ECDSACurveP521 ecdsa with P521
ECDSACurveP521 ECDSACurve = "P521"
)
// NewECDSAPrikey new ecdsa private key
func NewECDSAPrikey(curve ECDSACurve) (*ecdsa.PrivateKey, error) {
switch curve {
// case ECDSACurveP224:
// return ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
case ECDSACurveP256:
return ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
case ECDSACurveP384:
return ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
case ECDSACurveP521:
return ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
default:
return nil, errors.Errorf("unsupport curve %s", curve)
}
}
// NewEd25519Prikey new ed25519 private key
func NewEd25519Prikey() (ed25519.PrivateKey, error) {
_, pri, err := ed25519.GenerateKey(rand.Reader)
return pri, err
}
// Prikey2Der marshal private key by x509.8
func Prikey2Der(key crypto.PrivateKey) ([]byte, error) {
switch key.(type) {
case *rsa.PrivateKey,
*ecdsa.PrivateKey,
ed25519.PrivateKey:
default:
return nil, errors.Errorf("only support rsa/ecdsa/ed25519 private key")
}
return x509.MarshalPKCS8PrivateKey(key)
}
// Prikey2Pubkey get public key from private key
func Prikey2Pubkey(prikey crypto.PrivateKey) (pubkey crypto.PublicKey) {
return prikey.(interface{ Public() crypto.PublicKey }).Public() // nolint:forcetypeassert // panic if not support
}
// Prikey2Pem marshal private key to pem
func Prikey2Pem(key crypto.PrivateKey) ([]byte, error) {
der, err := Prikey2Der(key)
if err != nil {
return nil, err
}
return PrikeyDer2Pem(der), nil
}
// Pubkey2Der marshal public key by pkix
func Pubkey2Der(key crypto.PublicKey) ([]byte, error) {
switch key.(type) {
case *rsa.PublicKey,
*ecdsa.PublicKey,
ed25519.PublicKey:
default:
return nil, errors.Errorf("only support rsa/ecdsa/ed25519 public key")
}
return x509.MarshalPKIXPublicKey(key)
}
// Pubkey2Pem marshal public key to pem
func Pubkey2Pem(key crypto.PublicKey) ([]byte, error) {
der, err := Pubkey2Der(key)
if err != nil {
return nil, err
}
return PubkeyDer2Pem(der), nil
}
// Cert2Pem marshal x509 certificate to pem
func Cert2Pem(certs ...*x509.Certificate) (ret []byte) {
for i := range certs {
ret = append(ret, CertDer2Pem(Cert2Der(certs[i]))...)
}
return
}
// Cert2Der marshal private key by x509.8
func Cert2Der(cert ...*x509.Certificate) (ret []byte) {
for i := range cert {
ret = append(ret, cert[i].Raw...)
}
return
}
// Der2Cert parse sigle certificate in der
func Der2Cert(certInDer []byte) (*x509.Certificate, error) {
return x509.ParseCertificate(certInDer)
}
// Der2Cert parse multiple certificates in der
func Der2Certs(certInDer []byte) ([]*x509.Certificate, error) {
return x509.ParseCertificates(certInDer)
}
// Der2CSR parse crl der
func Der2CSR(csrDer []byte) (*x509.CertificateRequest, error) {
return x509.ParseCertificateRequest(csrDer)
}
// CSR2Der marshal csr to der
func CSR2Der(csr *x509.CertificateRequest) []byte {
return csr.Raw
}
// Der2CRL parse crl der
func Der2CRL(crlDer []byte) (*x509.RevocationList, error) {
return x509.ParseRevocationList(crlDer)
}
// CRLDer2Pem marshal crl to pem
func CRLDer2Pem(crlDer []byte) []byte {
return pem.EncodeToMemory(&pem.Block{Type: "X509 CRL", Bytes: crlDer})
}
// CRLPem2Der parse crl pem
func CRLPem2Der(crlPem []byte) ([]byte, error) {
return Pem2Der(crlPem)
}
// Pem2CRL parse crl pem
func Pem2CRL(crlPem []byte) (*x509.RevocationList, error) {
der, err := Pem2Der(crlPem)
if err != nil {
return nil, err
}
return Der2CRL(der)
}
// CRL2Der marshal crl to der
func CRL2Der(crl *x509.RevocationList) []byte {
return crl.Raw
}
// CRL2Pem marshal crl to pem
func CRL2Pem(crl *x509.RevocationList) []byte {
return CRLDer2Pem(CRL2Der(crl))
}
// Pem2CSR parse csr from pem
func Pem2CSR(csrInPem []byte) (*x509.CertificateRequest, error) {
csrDer, err := Pem2Der(csrInPem)
if err != nil {
return nil, errors.Wrap(err, "parse csr pem")
}
return Der2CSR(csrDer)
}
// Pem2Cert parse single certificate in pem
func Pem2Cert(certInPem []byte) (*x509.Certificate, error) {
der, err := Pem2Der(certInPem)
if err != nil {
return nil, err
}
return Der2Cert(der)
}
// Pem2Certs parse multiple certificate in pem
func Pem2Certs(certInPem []byte) ([]*x509.Certificate, error) {
der, err := Pem2Der(certInPem)
if err != nil {
return nil, err
}
return x509.ParseCertificates(der)
}
// RSAPem2Prikey parse private key from x509 v1(rsa) pem
func RSAPem2Prikey(x509v1Pem []byte) (*rsa.PrivateKey, error) {
der, err := Pem2Der(x509v1Pem)
if err != nil {
return nil, err
}
return RSADer2Prikey(der)
}
// RSADer2Prikey parse private key from x509 v1(rsa) der
func RSADer2Prikey(x509v1Der []byte) (*rsa.PrivateKey, error) {
return x509.ParsePKCS1PrivateKey(x509v1Der)
}
// Pem2Prikey parse private key from x509 v8(general) pem
func Pem2Prikey(x509v8Pem []byte) (crypto.PrivateKey, error) {
der, err := Pem2Der(x509v8Pem)
if err != nil {
return nil, err
}
return Der2Prikey(der)
}
// Pem2Pubkey parse public key from pem
func Pem2Pubkey(pubkeyPem []byte) (crypto.PublicKey, error) {
der, err := Pem2Der(pubkeyPem)
if err != nil {
return nil, err
}
return Der2Pubkey(der)
}
// Der2Prikey parse private key from der in x509 v8/v1
func Der2Prikey(prikeyDer []byte) (crypto.PrivateKey, error) {
prikey, err := x509.ParsePKCS8PrivateKey(prikeyDer)
if err != nil {
if strings.Contains(err.Error(), "ParsePKCS1PrivateKey") {
if prikey, err = x509.ParsePKCS1PrivateKey(prikeyDer); err != nil {
return nil, errors.Wrap(err, "cannot parse by pkcs1 nor pkcs8")
}
return prikey, nil
}
return nil, errors.Wrap(err, "parse by pkcs8")
}
return prikey, nil
}
// Der2Pubkey parse public key from der in x509 pkcs1/pkix
func Der2Pubkey(pubkeyDer []byte) (crypto.PublicKey, error) {
rsapubkey, err := x509.ParsePKCS1PublicKey(pubkeyDer)
if err != nil {
if strings.Contains(err.Error(), "ParsePKIXPublicKey") {
pubkey, err := x509.ParsePKIXPublicKey(pubkeyDer)
if err != nil {
return nil, errors.Wrap(err, "cannot parse by pkcs1 nor pkix")
}
return pubkey, nil
}
return nil, errors.Wrap(err, "parse by pkcs1")
}
return rsapubkey, nil
}
// PrikeyDer2Pem convert private key in der to pem
func PrikeyDer2Pem(prikeyInDer []byte) (prikeyInPem []byte) {
return pem.EncodeToMemory(&pem.Block{Type: "PRIVATE KEY", Bytes: prikeyInDer})
}
// PubkeyDer2Pem convert public key in der to pem
func PubkeyDer2Pem(pubkeyInDer []byte) (prikeyInPem []byte) {
return pem.EncodeToMemory(&pem.Block{Type: "PUBLIC KEY", Bytes: pubkeyInDer})
}
// CertDer2Pem convert certificate in der to pem
func CertDer2Pem(certInDer []byte) (certInPem []byte) {
return pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certInDer})
}
// CSRDer2Pem convert CSR in der to pem
func CSRDer2Pem(CSRInDer []byte) (CSRInPem []byte) {
return pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE REQUEST", Bytes: CSRInDer})
}
// Pem2Der convert pem to der
//
// support one or more certs
func Pem2Der(pemBytes []byte) (derBytes []byte, err error) {
pemBytes = bytes.Trim(pemBytes, " \n")
var (
data = pemBytes
blk *pem.Block
)
for {
blk, data = pem.Decode(data)
if blk == nil {
return nil, errors.Errorf("pem format invalid")
}
derBytes = append(derBytes, blk.Bytes...)
if len(data) == 0 {
break
}
}
return derBytes, err
}
// Pem2Ders convert pem to ders
//
// support one or more certs
func Pem2Ders(pemBytes []byte) (dersBytes [][]byte, err error) {
pemBytes = bytes.Trim(pemBytes, " \n")
var (
data = pemBytes
blk *pem.Block
)
for {
blk, data = pem.Decode(data)
if blk == nil {
return nil, errors.Errorf("pem format invalid")
}
d := []byte{}
d = append(d, blk.Bytes...)
dersBytes = append(dersBytes, d)
if len(data) == 0 {
break
}
}
return dersBytes, err
}
// VerifyCertByPrikey verify cert by prikey
func VerifyCertByPrikey(certPem []byte, prikeyPem []byte) error {
_, err := tls.X509KeyPair(certPem, prikeyPem)
return err
}
// X509Cert2OpensslConf marshal x509
func X509Cert2OpensslConf(cert *x509.Certificate) (opensslConf []byte) {
// set req & req_distinguished_name
cnt := fmt.Sprintf(gutils.Dedent(`
[ req ]
distinguished_name = req_distinguished_name
prompt = no
string_mask = utf8only
x509_extensions = v3_ca
[ req_distinguished_name ]
commonName = %s`), cert.Subject.CommonName)
cnt += "\n"
subjectMaps := map[string][]string{
"countryName": cert.Subject.Country,
"stateOrProvinceName": cert.Subject.Province,
"localityName": cert.Subject.Locality,
"organizationName": cert.Subject.Organization,
"organizationalUnitName": cert.Subject.OrganizationalUnit,
}
for _, name := range []string{ // keep order
"countryName",
"stateOrProvinceName",
"localityName",
"organizationName",
"organizationalUnitName",
} {
if len(subjectMaps[name]) != 0 {
cnt += fmt.Sprintf("%s = %s\n", name, strings.Join(subjectMaps[name], ","))
}
}
cnt += "\n"
// set v3_ca
cnt += gutils.Dedent(`
[ v3_ca ]
basicConstraints = critical, CA:`)
if cert.IsCA {
cnt += "TRUE\nkeyUsage = cRLSign, keyCertSign\n"
} else {
cnt += "FALSE\nkeyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment, keyAgreement\n"
cnt += "extendedKeyUsage = anyExtendedKeyUsage\n"
}
cnt += "subjectKeyIdentifier = hash\nauthorityKeyIdentifier = keyid:always, issuer\n"
// set policies
if len(cert.PolicyIdentifiers) > 0 {
cnt += "certificatePolicies = "
var policySecions string
for i, policy := range cert.PolicyIdentifiers {
cnt += fmt.Sprintf("@policy-%d, ", i)
policySecions += fmt.Sprintf("[ policy-%d ]\npolicyIdentifier = %s\n", i, policy.String())
}
cnt = strings.TrimRight(cnt, ", ")
cnt += "\n\n" + policySecions
}
return []byte(cnt)
}
// X509Csr2OpensslConf marshal x509 csr to openssl conf
//
// # Returns
//
// [ req ]
// distinguished_name = req_distinguished_name
// prompt = no
// string_mask = utf8only
//
// [ req_distinguished_name ]
// commonName = Intermedia CA
// countryName = CN
// stateOrProvinceName = Shanghai
// localityName = Shanghai
// organizationName = BBT
// organizationalUnitName = XSS
func X509Csr2OpensslConf(csr *x509.CertificateRequest) (opensslConf []byte) {
// set req & req_distinguished_name
cnt := fmt.Sprintf(gutils.Dedent(`
[ req ]
distinguished_name = req_distinguished_name
prompt = no
string_mask = utf8only
[ req_distinguished_name ]
commonName = %s`), csr.Subject.CommonName)
cnt += "\n"
subjectMaps := map[string][]string{
"countryName": csr.Subject.Country,
"stateOrProvinceName": csr.Subject.Province,
"localityName": csr.Subject.Locality,
"organizationName": csr.Subject.Organization,
"organizationalUnitName": csr.Subject.OrganizationalUnit,
}
for _, name := range []string{ // keep order
"countryName",
"stateOrProvinceName",
"localityName",
"organizationName",
"organizationalUnitName",
} {
if len(subjectMaps[name]) != 0 {
cnt += fmt.Sprintf("%s = %s\n", name, strings.Join(subjectMaps[name], ","))
}
}
return []byte(cnt)
}
// x509SignCsrOptions2OpensslConf marshal x509 csr to openssl conf
func x509SignCsrOptions2OpensslConf(opts ...SignCSROption) (opt *signCSROption, opensslConf []byte, err error) {
opt, err = new(signCSROption).fillDefault(nil).applyOpts(opts...)
if err != nil {
return nil, nil, errors.Wrap(err, "apply options")
}
cnt := gutils.Dedent(`
[req]
x509_extensions = v3_ca
[ v3_ca ]
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid:always, issuer
basicConstraints = critical, CA:`)
if opt.isCA {
cnt += "TRUE\nkeyUsage = cRLSign, keyCertSign\n"
} else {
cnt += "FALSE\nkeyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment, keyAgreement\n"
cnt += "extendedKeyUsage = anyExtendedKeyUsage\n"
}
if len(opt.policies) > 0 {
cnt += "certificatePolicies = "
var policySecions string
for i, policy := range opt.policies {
cnt += fmt.Sprintf("@policy-%d, ", i)
policySecions += fmt.Sprintf("[ policy-%d ]\npolicyIdentifier = %s\n", i, policy.String())
}
cnt = strings.TrimRight(cnt, ", ")
cnt += "\n\n" + policySecions
}
return opt, []byte(cnt), nil
}