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Spring Boot3.3 項目數(shù)據(jù)庫連接使用SM4國密加密算法進行脫敏配置

數(shù)據(jù)庫 其他數(shù)據(jù)庫
本文通過實際案例,詳細介紹了如何在Spring Boot項目中使用SM4國密加密算法對數(shù)據(jù)庫連接信息和用戶數(shù)據(jù)進行加密與脫敏處理。我們展示了如何配置加密和解密操作,結合MyBatis-Plus實現(xiàn)數(shù)據(jù)庫操作,并通過Thymeleaf和Bootstrap構建前端頁面進行安全展示。

在現(xiàn)代企業(yè)級應用開發(fā)中,數(shù)據(jù)安全問題越來越受到重視。尤其是在處理敏感信息如數(shù)據(jù)庫連接字符串、用戶名、密碼以及用戶個人信息(如身份證號)時,如何在保證系統(tǒng)功能正常的前提下對這些敏感數(shù)據(jù)進行有效的保護,已經(jīng)成為了開發(fā)人員必須面對的挑戰(zhàn)。本文將通過一個實際的Spring Boot項目案例,介紹如何使用國密SM4加密算法對數(shù)據(jù)庫連接中的url、username和password等信息進行加密處理,同時對用戶表中的身份證號等敏感數(shù)據(jù)進行脫敏顯示。

本文將詳細展示如何配置Spring Boot項目以支持SM4加密算法,如何編寫代碼實現(xiàn)數(shù)據(jù)加密和解密,以及如何結合MyBatis-Plus實現(xiàn)數(shù)據(jù)庫的CRUD操作,并在前端頁面進行數(shù)據(jù)的展示與脫敏處理。我們將從配置文件的加密解密、后端服務的實現(xiàn)到前端視圖的展示,逐步引導讀者構建一個完整的、注重數(shù)據(jù)安全的Spring Boot項目。

運行效果:

圖片圖片

若想獲取項目完整代碼以及其他文章的項目源碼,且在代碼編寫時遇到問題需要咨詢交流,歡迎加入下方的知識星球。

表的DDL語句和插入數(shù)據(jù)的SQL語句

首先,我們需要創(chuàng)建一個user表,并插入10條用戶數(shù)據(jù)。

-- 創(chuàng)建user表
CREATE TABLE user (
    id BIGINT PRIMARY KEY AUTO_INCREMENT,
    name VARCHAR(50) NOT NULL,
    id_number VARCHAR(18) NOT NULL,
    email VARCHAR(50) NOT NULL,
    phone VARCHAR(15) NOT NULL,
    address VARCHAR(100)
);

-- 插入10條用戶數(shù)據(jù)
INSERT INTO user (name, id_number, email, phone, address) VALUES
('張三', '110101199001011234', 'zhangsan@example.com', '13800138000', '北京市朝陽區(qū)'),
('李四', '110102199002021234', 'lisi@example.com', '13800138001', '北京市海淀區(qū)'),
('王五', '110103199003031234', 'wangwu@example.com', '13800138002', '北京市西城區(qū)'),
('趙六', '110104199004041234', 'zhaoliu@example.com', '13800138003', '北京市東城區(qū)'),
('錢七', '110105199005051234', 'qianqi@example.com', '13800138004', '北京市豐臺區(qū)'),
('孫八', '110106199006061234', 'sunba@example.com', '13800138005', '北京市石景山區(qū)'),
('周九', '110107199007071234', 'zhoujiu@example.com', '13800138006', '北京市通州區(qū)'),
('吳十', '110108199008081234', 'wushi@example.com', '13800138007', '北京市大興區(qū)'),
('鄭十一', '110109199009091234', 'zhengshiyi@example.com', '13800138008', '北京市昌平區(qū)'),
('王十二', '110110199010101234', 'wangshier@example.com', '13800138009', '北京市房山區(qū)');

引入SM4國密加密算法的依賴

在Spring Boot項目中,我們首先需要在pom.xml文件中引入必要的依賴。

<?xml versinotallow="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>3.3.3</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.icoderoad</groupId>
	<artifactId>SM4Encryption</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>SM4Encryption</name>
	<description>Demo project for Spring Boot</description>
	
	<properties>
		<java.version>17</java.version>
		<mybatis-spring.version>3.0.3</mybatis-spring.version>
		<mybatis-plus-boot-starter.version>3.5.7</mybatis-plus-boot-starter.version>
		<aliyun-java-sdk-cor.version>4.5.0</aliyun-java-sdk-cor.version>
		<bootstrap.version>5.1.3</bootstrap.version>
		<jquery.version>3.6.0</jquery.version>
	</properties>
	<dependencies>
		<!-- Spring Boot 依賴 -->
	    <dependency>
	        <groupId>org.springframework.boot</groupId>
	        <artifactId>spring-boot-starter-web</artifactId>
	    </dependency>
	   <!-- 數(shù)據(jù)庫驅(qū)動依賴 -->
	    <dependency>
	        <groupId>com.mysql</groupId>
	        <artifactId>mysql-connector-j</artifactId>
	        <scope>runtime</scope>
	    </dependency>
	     <!-- MyBatis-Plus 依賴 -->
	    <dependency>
	        <groupId>com.baomidou</groupId>
	        <artifactId>mybatis-plus-boot-starter</artifactId>
	        <version>${mybatis-plus-boot-starter.version}</version>
	    </dependency>
	     <dependency>
	          <groupId>org.mybatis</groupId>
	          <artifactId>mybatis-spring</artifactId>
	          <version>${mybatis-spring.version}</version>
	      </dependency>
	    <!-- SM4 加密算法依賴 -->
	    <dependency>
	        <groupId>com.aliyun</groupId>
	        <artifactId>aliyun-java-sdk-core</artifactId>
	        <version>${aliyun-java-sdk-cor.version}</version>
	    </dependency>
	  	<dependency>
		        <groupId>org.projectlombok</groupId>
		        <artifactId>lombok</artifactId>
		        <optional>true</optional>
		    </dependency>
	    <!-- Thymeleaf 依賴 -->
	    <dependency>
	        <groupId>org.springframework.boot</groupId>
	        <artifactId>spring-boot-starter-thymeleaf</artifactId>
	    </dependency>
	    <!-- Bootstrap 和 jQuery -->
	    <dependency>
	        <groupId>org.webjars</groupId>
	        <artifactId>bootstrap</artifactId>
	        <version>${bootstrap.version}</version>
	    </dependency>
	    <dependency>
	        <groupId>org.webjars</groupId>
	        <artifactId>jquery</artifactId>
	        <version>${jquery.version}</version>
	    </dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

</project>

配置SM4加密算法

在application.yml文件中,我們可以配置SM4加密的相關參數(shù)。

sm4:
  key: "37507d4cb936fdfb5dbb12a9a3983733" # SM4加密的密鑰
  iv: "a7ae2a65d41fa7f98aec3579b8ec5a3c"   # SM4的初始化向量
  algorithm: "SM4"      # 加密算法
  mode: "CBC"           # 工作模式
  padding: "PKCS5Padding" # 填充模式

spring:
  datasource:
    url: ENC(sXjrlmJi+pBmt5ViI6uLAJ+teKmEfIPoJ5INkHEO2NtWcQ53zdATRyC4X+jru45oiaPjE74e+uLPgY/jHFy21iCVRnNpOFh5fHxn6NgF+04=)
    username: ENC(vB/qydt/80xm7Dxu48i/mA==)
    password: ENC(vB/qydt/80xm7Dxu48i/mA==)

實現(xiàn)SM4加密和解密工具類

package com.icoderoad.SM4Encryption.util;

import java.security.Security;
import java.util.Base64;

import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;

import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.springframework.util.Base64Utils;

public class SM4Util {
	
	static {
        Security.addProvider(new BouncyCastleProvider());
    }

    private static final String ALGORITHM_NAME = "SM4";
    private static final String ALGORITHM_NAME_CBC_PADDING = "SM4/CBC/PKCS5Padding";

    /**
     * SM4加密
     * @param plainText 明文
     * @param key 密鑰
     * @param iv 向量
     * @return 加密后的密文
     */
    public static String encrypt(String plainText, String key, String iv) throws Exception {
        Cipher cipher = Cipher.getInstance(ALGORITHM_NAME_CBC_PADDING);
        SecretKeySpec keySpec = createKey(key);
        IvParameterSpec ivSpec = createIv(iv);
        cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec);
        byte[] encrypted = cipher.doFinal(plainText.getBytes());
        return Base64.getEncoder().encodeToString(encrypted);
    }

    /**
     * SM4解密
     * @param cipherText 密文
     * @param key 密鑰
     * @param iv 向量
     * @return 解密后的明文
     */
    public static String decrypt(String cipherText, String key, String iv) throws Exception {
        Cipher cipher = Cipher.getInstance(ALGORITHM_NAME_CBC_PADDING);
        if (cipherText.startsWith("ENC(") && cipherText.endsWith(")")) {
        	cipherText = cipherText.substring(4, cipherText.length() - 1);
        }
       
        SecretKeySpec keySpec = createKey(key);
        IvParameterSpec ivSpec = createIv(iv);
        cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
        byte[] decrypted = cipher.doFinal(Base64.getDecoder().decode(cipherText));
        return new String(decrypted);
    }
    
    private static SecretKeySpec createKey(String key) {
        byte[] keyBytes = key.getBytes();
        byte[] finalKey = new byte[16];
        System.arraycopy(keyBytes, 0, finalKey, 0, Math.min(keyBytes.length, 16));
        return new SecretKeySpec(finalKey, "SM4");
    }

    private static IvParameterSpec createIv(String iv) {
        byte[] ivBytes = iv.getBytes();
        byte[] finalIv = new byte[16];
        System.arraycopy(ivBytes, 0, finalIv, 0, Math.min(ivBytes.length, 16));
        return new IvParameterSpec(finalIv);
    }
}

在項目中應用SM4加密

生成加密后的值

為了生成加密后的url、username和password,可以使用以下測試代碼來生成這些值。

package com.icoderoad.SM4Encryption;

import com.icoderoad.SM4Encryption.util.SM4Util;

public class SM4EncryptionTest {

	 public static void main(String[] args) throws Exception {
	        String url = "jdbc:mysql://localhost:3306/test?characterEncoding=utf8&useSSL=false";
	        String username = "root";
	        String password = "root";

	        String key = "37507d4cb936fdfb5dbb12a9a3983733";
	        String iv = "a7ae2a65d41fa7f98aec3579b8ec5a3c";

	        System.out.println("加密后的URL: " + SM4Util.encrypt(url, key, iv));
	        System.out.println("加密后的用戶名: " + SM4Util.encrypt(username, key, iv));
	        System.out.println("加密后的密碼: " + SM4Util.encrypt(password, key, iv));
	    }
	 
}

運行上述代碼后,得到加密后的url、username和password,將這些值更新到application.yml中。

我們可以在Spring Boot項目中使用@Value注解將加密后的數(shù)據(jù)庫密碼解密并應用于數(shù)據(jù)源配置。

package com.icoderoad.SM4Encryption.conf;

import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.icoderoad.SM4Encryption.util.SM4Util;
import com.zaxxer.hikari.HikariDataSource;

@Configuration
public class DataSourceConfig {

    @Value("${spring.datasource.url}")
    private String encryptedUrl;

    @Value("${spring.datasource.username}")
    private String encryptedUsername;

    @Value("${spring.datasource.password}")
    private String encryptedPassword;

    @Value("${sm4.key}")
    private String key;

    @Value("${sm4.iv}")
    private String iv;

    @Bean
    public DataSource dataSource() throws Exception {
        HikariDataSource dataSource = new HikariDataSource();
        dataSource.setJdbcUrl(SM4Util.decrypt(encryptedUrl, key, iv));
        dataSource.setUsername(SM4Util.decrypt(encryptedUsername, key, iv));
        dataSource.setPassword(SM4Util.decrypt(encryptedPassword, key, iv));
        return dataSource;
    }
}

User實體類

package com.icoderoad.SM4Encryption.entity;

import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Data;

@Data
@TableName("user")
public class User {
    @TableId
    private Long id;
    private String name;
    private String idNumber;
    private String email;
    private String phone;
    private String address;
    
    @TableField(exist = false)
    private String sensitiveIdNumber;

    public String getSensitiveIdNumber() {
        return idNumber.replaceAll("(\\d{6})\\d{8}(\\d{4})", "$1****$2");
    }
}

UserMapper接口

package com.icoderoad.SM4Encryption.mapper;

import org.apache.ibatis.annotations.Mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.icoderoad.SM4Encryption.entity.User;

@Mapper
public interface UserMapper extends BaseMapper<User> {
}

UserService接口

package com.icoderoad.SM4Encryption.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.icoderoad.SM4Encryption.entity.User;

public interface UserService extends IService<User> {
}

UserServiceImpl類

package com.icoderoad.SM4Encryption.service.impl;

import org.springframework.stereotype.Service;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.icoderoad.SM4Encryption.entity.User;
import com.icoderoad.SM4Encryption.mapper.UserMapper;
import com.icoderoad.SM4Encryption.service.UserService;

@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements UserService {
}

我們需要創(chuàng)建一個控制器類來處理前端視圖頁面的請求,并將數(shù)據(jù)傳遞給視圖頁面進行展示。

UserController類

package com.icoderoad.SM4Encryption.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;

import com.icoderoad.SM4Encryption.entity.User;
import com.icoderoad.SM4Encryption.service.UserService;

@Controller
public class UserController {

    @Autowired
    private UserService userService;

    @GetMapping("/")
    public String listUsers(Model model) {
        List<User> users = userService.list();
        model.addAttribute("users", users);
        return "index";
    }
}

前端展示頁面與數(shù)據(jù)脫敏

前端頁面使用Thymeleaf模板引擎,并結合Bootstrap進行數(shù)據(jù)展示和脫敏處理。

在 src/main/resources/templates/index.html 中創(chuàng)建一個簡單的前端頁面:

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>用戶數(shù)據(jù)</title>
    <link href="/webjars/bootstrap/css/bootstrap.min.css" rel="stylesheet">
    <script src="/webjars/jquery/jquery.min.js"></script>
    <script src="/webjars/bootstrap/js/bootstrap.bundle.min.js"></script>
     <style>
     	.container{
     		text-align: center;
     	}
         thead th {
             background-color: #007bff;
             color: white;
         }
         tbody tr:nth-child(even) {
             background-color: #f8f9fa;
         }
         .table {
         	margin: 20px auto;
         	width: 80%;
         }
         tr{
         	height: 30px;
         }
     </style>
</head>
<body>
    <div class="container  mt-5">
        <h2>用戶數(shù)據(jù)</h2>
        <table class="table table-bordered">
            <thead>
                <tr>
                    <th>ID</th>
                    <th>姓名</th>
                    <th>身份證號</th>
                    <th>郵箱</th>
                    <th>電話</th>
                    <th>地址</th>
                </tr>
            </thead>
            <tbody>
                <tr th:each="user : ${users}">
                    <td th:text="${user.id}"></td>
                    <td th:text="${user.name}"></td>
                    <td th:text="${user.sensitiveIdNumber}"></td>
                    <td th:text="${user.email}"></td>
                    <td th:text="${user.phone}"></td>
                    <td th:text="${user.address}"></td>
                </tr>
            </tbody>
        </table>
    </div>
</body>
</html>

總結

本文通過實際案例,詳細介紹了如何在Spring Boot項目中使用SM4國密加密算法對數(shù)據(jù)庫連接信息和用戶數(shù)據(jù)進行加密與脫敏處理。我們展示了如何配置加密和解密操作,結合MyBatis-Plus實現(xiàn)數(shù)據(jù)庫操作,并通過Thymeleaf和Bootstrap構建前端頁面進行安全展示。

通過本文,大家可以掌握如何在Spring Boot中集成加密算法,并將其應用于實際項目中,提升數(shù)據(jù)安全性。希望本文為大家在處理敏感信息時提供了實用的指導,幫助構建更安全的企業(yè)級應用程序。

責任編輯:武曉燕 來源: 路條編程
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