package main

import (
 "crypto/rand"
 "crypto/rsa"
 "crypto/x509"
 "crypto/x509/pkix"
 "encoding/pem"
 "fmt"
 "log"
 "math/big"
 "os"
 "time"
)

func main() {

 privKey, err := rsa.GenerateKey(rand.Reader, 4096)
 if err != nil {
  log.Fatal("密钥生成失败: ", err)
 }

 // 2. 创建证书模板
 template := &x509.Certificate{
  SerialNumber: randomSerial(),
  Subject: pkix.Name{
   CommonName: "jetbra-from-2024-04-1...