mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-10-16 16:04:52 -04:00
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
|
package cert
|
||
|
|
||
|
import (
|
||
|
"crypto/rand"
|
||
|
"crypto/rsa"
|
||
|
"crypto/x509"
|
||
|
"crypto/x509/pkix"
|
||
|
"encoding/pem"
|
||
|
"log"
|
||
|
"math/big"
|
||
|
"time"
|
||
|
|
||
|
"v2ray.com/core/common"
|
||
|
)
|
||
|
|
||
|
//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg cert -path Protocol,TLS,Cert
|
||
|
|
||
|
type Certificate struct {
|
||
|
// Cerificate in x509 format
|
||
|
Certificate []byte
|
||
|
// Private key in x509 format
|
||
|
PrivateKey []byte
|
||
|
}
|
||
|
|
||
|
type Option func(*x509.Certificate)
|
||
|
|
||
|
func Authority(isCA bool) Option {
|
||
|
return func(cert *x509.Certificate) {
|
||
|
cert.IsCA = isCA
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func Generate() (Certificate, error) {
|
||
|
priv, err := rsa.GenerateKey(rand.Reader, 2048)
|
||
|
common.Must(err)
|
||
|
|
||
|
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
|
||
|
serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
|
||
|
if err != nil {
|
||
|
|
||
|
log.Fatalf("failed to generate serial number: %s", err)
|
||
|
}
|
||
|
|
||
|
template := x509.Certificate{
|
||
|
SerialNumber: serialNumber,
|
||
|
Subject: pkix.Name{
|
||
|
Organization: []string{"V2Ray Inc"},
|
||
|
},
|
||
|
NotBefore: time.Now().Add(time.Hour * -1),
|
||
|
NotAfter: time.Now().Add(time.Hour),
|
||
|
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
|
||
|
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
|
||
|
BasicConstraintsValid: true,
|
||
|
DNSNames: []string{"www.v2ray.com", "v2ray.com"},
|
||
|
}
|
||
|
|
||
|
derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
|
||
|
common.Must(err)
|
||
|
|
||
|
certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: derBytes})
|
||
|
keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
|
||
|
|
||
|
return Certificate{
|
||
|
Certificate: certPEM,
|
||
|
PrivateKey: keyPEM,
|
||
|
}, nil
|
||
|
}
|