forked from lzjluzijie/websocks
-
Notifications
You must be signed in to change notification settings - Fork 0
/
crypto.go
112 lines (99 loc) · 2.97 KB
/
crypto.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
package core
import (
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
"net"
"time"
)
//Modified https://github.com/Shyp/generate-tls-cert
func GenP256(hosts []string) (key, cert []byte, err error) {
notBefore := time.Now()
notAfter := notBefore.Add(time.Hour * 24 * 366)
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
if err != nil {
return
}
serverKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
return
}
serverTemplate := x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{"WebSocks"},
CommonName: "WebSocks Server CA",
},
NotBefore: notBefore,
NotAfter: notAfter,
KeyUsage: x509.KeyUsageCertSign,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
IsCA: true,
}
for _, host := range hosts {
if ip := net.ParseIP(host); ip != nil {
serverTemplate.IPAddresses = append(serverTemplate.IPAddresses, ip)
} else {
serverTemplate.DNSNames = append(serverTemplate.DNSNames, host)
}
}
serverCert, err := x509.CreateCertificate(rand.Reader, &serverTemplate, &serverTemplate, &serverKey.PublicKey, serverKey)
if err != nil {
return
}
x509Key, err := x509.MarshalECPrivateKey(serverKey)
if err != nil {
return
}
key = pem.EncodeToMemory(&pem.Block{Type: "EC PRIVATE KEY", Bytes: x509Key})
cert = pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: serverCert})
return
}
func GenRSA2048(hosts []string) (key, cert []byte, err error) {
notBefore := time.Now()
notAfter := notBefore.Add(time.Hour * 24 * 366)
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
if err != nil {
return
}
serverKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return
}
serverTemplate := x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{"WebSocks"},
CommonName: "WebSocks Server CA",
},
NotBefore: notBefore,
NotAfter: notAfter,
KeyUsage: x509.KeyUsageCertSign,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
IsCA: true,
}
for _, host := range hosts {
if ip := net.ParseIP(host); ip != nil {
serverTemplate.IPAddresses = append(serverTemplate.IPAddresses, ip)
} else {
serverTemplate.DNSNames = append(serverTemplate.DNSNames, host)
}
}
serverCert, err := x509.CreateCertificate(rand.Reader, &serverTemplate, &serverTemplate, &serverKey.PublicKey, serverKey)
if err != nil {
return
}
x509Key := x509.MarshalPKCS1PrivateKey(serverKey)
key = pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509Key})
cert = pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: serverCert})
return
}