package com.shengpay.mas.demo.cert;

import org.apache.commons.codec.binary.Base64;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.security.*;

import java.security.cert.*;

import java.security.cert.Certificate;

import java.util.Enumeration;

/**

 * Description: 读取P12格式的个人交换库

 * <p>

 * User: lishaohua

 * Date: 2017/12/27  12:51

 */

public class P12Demo {

    public static void main(String[] args) throws KeyStoreException, IOException, CertificateException, NoSuchAlgorithmException, UnrecoverableKeyException {

        String keyStorePath = "D:/123456.pfx";

        String password = "123456";

        // 实例化密钥库，默认JKS类型

        KeyStore ks = KeyStore.getInstance("PKCS12");

        // 获得密钥库文件流

        FileInputStream is = new FileInputStream(keyStorePath);

        // 加载密钥库

        ks.load(is, password.toCharArray());

        // 关闭密钥库文件流

        is.close();

        //私钥

        Enumeration aliases = ks.aliases();

        String keyAlias = null;

        if (aliases.hasMoreElements()){

            keyAlias = (String)aliases.nextElement();

            System.out.println("p12's alias----->"+keyAlias);

        }

        PrivateKey privateKey = (PrivateKey) ks.getKey(keyAlias, password.toCharArray());

        String privateKeyStr = Base64.encodeBase64String(privateKey.getEncoded());

        System.out.println("私钥------------->" + privateKeyStr);

        //公钥

        Certificate certificate = ks.getCertificate(keyAlias);

        String publicKeyStr = Base64.encodeBase64String(certificate.getPublicKey().getEncoded());

        System.out.println("公钥------------->"+publicKeyStr);

    }

}