package cert_test

import (
	"crypto/rand"
	"gitee.com/dqc_123/gmsm/sm2"
	"gitee.com/dqc_123/gmsm/x509"
	"os"
)

func CreatePem() {
	//1.生成sm2密钥对
	privateKey, err := sm2.GenerateKey(rand.Reader)
	if err != nil {
		panic(err)
	}
	//2.通过x509将私钥反序列化并进行pem编码
	privateKeyToPem, err := x509.WritePrivateKeyToPem(privateKey, nil)
	if err != nil {
		panic(err)
	}
	//3.将私钥写入磁盘文件
	file, err := os.Create("./sm2Private.pem")
	if err != nil {
		panic(err)
	}
	defer file.Close()
	_, err = file.Write(privateKeyToPem)
	if err != nil {
		panic(err)
	}
	//4.进行SM2公钥断言
	publicKey := privateKey.Public().(*sm2.PublicKey)
	//5.将公钥通过x509序列化并进行pem编码
	publicKeyToPem, err := x509.WritePublicKeyToPem(publicKey)
	if err != nil {
		panic(err)
	}
	//6.将公钥写入磁盘文件
	file, err = os.Create("./sm2Public.pem")
	if err != nil {
		panic(err)
	}
	defer file.Close()
	_, err = file.Write(publicKeyToPem)
	if err != nil {
		panic(err)
	}
}