/
tls.go
42 lines (37 loc) · 1.1 KB
/
tls.go
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package bbs
import (
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"math/big"
"os"
"time"
)
func GetCertificate() tls.Certificate {
now := time.Now()
template := &x509.Certificate{
SerialNumber: big.NewInt(now.Unix()),
Subject: pkix.Name{
CommonName: os.Getenv("BBS_FQDN"),
Country: []string{"Taiwan"},
Organization: []string{"Organization"},
OrganizationalUnit: []string{"OrganizationalUnit"},
},
NotBefore: now,
NotAfter: now.AddDate(10, 0, 0),
SubjectKeyId: []byte(os.Getenv("BBS_FQDN")),
BasicConstraintsValid: true,
IsCA: true,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
KeyUsage: x509.KeyUsageKeyEncipherment |
x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
}
priv, _ := rsa.GenerateKey(rand.Reader, 2048)
cert, _ := x509.CreateCertificate(rand.Reader, template, template, priv.Public(), priv)
outCert := tls.Certificate{}
outCert.Certificate = append(outCert.Certificate, cert)
outCert.PrivateKey = priv
return outCert
}