常用的加密算法(md5,sha1,base64加密解密)使用

import org.apache.commons.codec.digest.DigestUtils;
import java.util.Base64;
import java.util.Scanner;

/**
 * 加密解密
 *
 * @author syl
 */
public class EncryptionUtils {
    public static void main(String[] args){
        String s = new Scanner(System.in).nextLine();
        encodeAndDecode(s);
    }

    private static void encodeAndDecode(String s) {
        //md5单向加密不可逆
        String md5 = DigestUtils.md5Hex(s);
        System.out.println("md5="+md5);
        //sha1加密不可逆
        String sha1 = DigestUtils.sha1Hex(s);
        System.out.println("sha1="+sha1);
        //Base64加密
        String encode = Base64.getEncoder().encodeToString(s.getBytes());
        System.out.println("base64Encode="+encode);
        //Base64解密
        byte[] decode = Base64.getDecoder().decode(encode);
        String decodeString = new String(decode);
        System.out.println("base64decode="+decodeString);
    }
}