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https://github.com/dromara/RuoYi-Vue-Plus.git
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增加一个加解密安全工具类.可以处理base64,aes,sm4,sm2,rsa加解密处理
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mayuanfei
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package com.ruoyi.common.utils;
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import cn.hutool.core.codec.Base64;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.crypto.SecureUtil;
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import cn.hutool.crypto.SmUtil;
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import cn.hutool.crypto.asymmetric.KeyType;
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import cn.hutool.crypto.asymmetric.RSA;
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import cn.hutool.crypto.asymmetric.SM2;
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import java.nio.charset.StandardCharsets;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 安全相关工具类
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*
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* @author 老马
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*/
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public class SecurityUtils {
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/**
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* 公钥
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*/
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public static final String PUBLIC_KEY = "publicKey";
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/**
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* 私钥
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*/
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public static final String PRIVATE_KEY = "privateKey";
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/**
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* Base64加密
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*
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* @param data 待加密数据
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* @return 加密后字符串
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*/
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public static String encryptByBase64(String data) {
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return Base64.encode(data, StandardCharsets.UTF_8);
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}
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/**
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* Base64解密
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*
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* @param data 待解密数据
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* @return 解密后字符串
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*/
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public static String decryptByBase64(String data) {
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return Base64.decodeStr(data, StandardCharsets.UTF_8);
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}
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/**
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* AES加密
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*
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* @param data 待解密数据
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* @param password 秘钥字符串
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* @return 加密后字符串, 采用Base64编码
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*/
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public static String encryptByAes(String data, String password) {
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if (StrUtil.isBlank(password)) {
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throw new IllegalArgumentException("AES需要传入秘钥信息");
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}
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// aes算法的秘钥要求是16位、24位、32位
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int[] array = {16, 24, 32};
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if (!ArrayUtil.contains(array, password.length())) {
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throw new IllegalArgumentException("AES秘钥长度要求为16位、24位、32位");
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}
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return SecureUtil.aes(password.getBytes(StandardCharsets.UTF_8)).encryptBase64(data, StandardCharsets.UTF_8);
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}
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/**
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* AES解密
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*
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* @param data 待解密数据
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* @param password 秘钥字符串
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* @return 解密后字符串
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*/
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public static String decryptByAes(String data, String password) {
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if (StrUtil.isBlank(password)) {
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throw new IllegalArgumentException("AES需要传入秘钥信息");
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}
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// aes算法的秘钥要求是16位、24位、32位
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int[] array = {16, 24, 32};
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if (!ArrayUtil.contains(array, password.length())) {
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throw new IllegalArgumentException("AES秘钥长度要求为16位、24位、32位");
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}
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return SecureUtil.aes(password.getBytes(StandardCharsets.UTF_8)).decryptStr(data, StandardCharsets.UTF_8);
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}
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/**
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* sm4加密
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*
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* @param data 待加密数据
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* @param password 秘钥字符串
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* @return 加密后字符串, 采用Base64编码
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*/
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public static String encryptBySm4(String data, String password) {
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if (StrUtil.isBlank(password)) {
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throw new IllegalArgumentException("SM4需要传入秘钥信息");
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}
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// sm4算法的秘钥要求是16位长度
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int sm4PasswordLength = 16;
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if (sm4PasswordLength != password.length()) {
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throw new IllegalArgumentException("SM4秘钥长度要求为16位");
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}
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return SmUtil.sm4(password.getBytes(StandardCharsets.UTF_8)).encryptBase64(data, StandardCharsets.UTF_8);
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}
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/**
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* sm4解密
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*
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* @param data 待解密数据
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* @param password 秘钥字符串
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* @return 解密后字符串
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*/
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public static String decryptBySm4(String data, String password) {
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if (StrUtil.isBlank(password)) {
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throw new IllegalArgumentException("SM4需要传入秘钥信息");
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}
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// sm4算法的秘钥要求是16位长度
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int sm4PasswordLength = 16;
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if (sm4PasswordLength != password.length()) {
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throw new IllegalArgumentException("SM4秘钥长度要求为16位");
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}
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return SmUtil.sm4(password.getBytes(StandardCharsets.UTF_8)).decryptStr(data, StandardCharsets.UTF_8);
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}
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/**
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* 产生sm2加解密需要的公钥和私钥
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*
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* @return 公私钥Map
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*/
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public static Map<String, String> generateSm2Key() {
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Map<String, String> keyMap = new HashMap<>();
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SM2 sm2 = SmUtil.sm2();
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keyMap.put(PRIVATE_KEY, sm2.getPrivateKeyBase64());
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keyMap.put(PUBLIC_KEY, sm2.getPublicKeyBase64());
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return keyMap;
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}
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/**
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* sm2公钥加密
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*
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* @param data 待加密数据
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* @param publicKey 公钥
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* @return 加密后字符串, 采用Base64编码
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*/
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public static String encryptBySm2(String data, String publicKey) {
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if (StrUtil.isBlank(publicKey)) {
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throw new IllegalArgumentException("SM2需要传入公钥进行加密");
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}
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SM2 sm2 = SmUtil.sm2(null, publicKey);
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return sm2.encryptBase64(data, StandardCharsets.UTF_8, KeyType.PublicKey);
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}
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/**
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* sm2私钥解密
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*
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* @param data 待加密数据
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* @param privateKey 私钥
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* @return 解密后字符串
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*/
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public static String decryptBySm2(String data, String privateKey) {
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if (StrUtil.isBlank(privateKey)) {
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throw new IllegalArgumentException("SM2需要传入私钥进行解密");
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}
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SM2 sm2 = SmUtil.sm2(privateKey, null);
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return sm2.decryptStr(data, KeyType.PrivateKey, StandardCharsets.UTF_8);
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}
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/**
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* 产生RSA加解密需要的公钥和私钥
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*
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* @return 公私钥Map
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*/
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public static Map<String, String> generateRsaKey() {
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Map<String, String> keyMap = new HashMap<>();
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RSA rsa = SecureUtil.rsa();
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keyMap.put(PRIVATE_KEY, rsa.getPrivateKeyBase64());
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keyMap.put(PUBLIC_KEY, rsa.getPublicKeyBase64());
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return keyMap;
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}
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/**
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* rsa公钥加密
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*
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* @param data 待加密数据
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* @param publicKey 公钥
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* @return 加密后字符串, 采用Base64编码
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*/
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public static String encryptByRsa(String data, String publicKey) {
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if (StrUtil.isBlank(publicKey)) {
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throw new IllegalArgumentException("RSA需要传入公钥进行加密");
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}
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RSA rsa = SecureUtil.rsa(null, publicKey);
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return rsa.encryptBase64(data, StandardCharsets.UTF_8, KeyType.PublicKey);
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}
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/**
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* rsa私钥解密
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*
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* @param data 待加密数据
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* @param privateKey 私钥
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* @return 解密后字符串
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*/
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public static String decryptByRsa(String data, String privateKey) {
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if (StrUtil.isBlank(privateKey)) {
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throw new IllegalArgumentException("RSA需要传入私钥进行解密");
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}
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RSA rsa = SecureUtil.rsa(privateKey, null);
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return rsa.decryptStr(data, KeyType.PrivateKey, StandardCharsets.UTF_8);
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}
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// 测试方法
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public static void main(String[] args) {
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String str = "";
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String password = "";
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Map<String, String> keyMap = new HashMap<>();
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//base64加解密测试
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str = "老马base64加解密测试";
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String encryptByBase64 = encryptByBase64(str);
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System.out.println("base64加解密测试: encryptByBase64=" + encryptByBase64);
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String decryptByBase64 = decryptByBase64(encryptByBase64);
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System.out.println("base64加解密测试: decryptByBase64=" + decryptByBase64);
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//aes加解密测试
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str = "老马aes测试";
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password = "adsfasddg234sfwt2545sgr@";
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String encryptByAes = encryptByAes(str, password);
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System.out.println("aes加解密测试: encryptByAes=" + encryptByAes);
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String decryptByAes = decryptByAes(encryptByAes, password);
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System.out.println("aes加解密测试: decryptByAes=" + decryptByAes);
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//sm4加解密测试
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str = "老马sm4测试";
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password = "adsfasddg234sfwt";
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String encryptBySm4 = encryptBySm4(str, password);
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System.out.println("sm4加解密测试: encryptBySm4=" + encryptBySm4);
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String decryptBySm4 = decryptBySm4(encryptBySm4, password);
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System.out.println("sm4加解密测试: decryptBySm4=" + decryptBySm4);
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//sm2加解密测试
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str = "老马sm2测试";
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keyMap = generateSm2Key();
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String encryptBySm2 = encryptBySm2(str, keyMap.get(SecurityUtils.PUBLIC_KEY));
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System.out.println("sm2加解密测试: encryptBySm2=" + encryptBySm2);
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String decryptBySm2 = decryptBySm2(encryptBySm2, keyMap.get(SecurityUtils.PRIVATE_KEY));
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System.out.println("sm2加解密测试: decryptBySm2=" + decryptBySm2);
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//rsa加解密测试
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str = "老马rsa测试";
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keyMap = generateRsaKey();
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String encryptByRsa = encryptByRsa(str, keyMap.get(SecurityUtils.PUBLIC_KEY));
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System.out.println("rsa加解密测试: encryptByRsa=" + encryptByRsa);
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String decryptByRsa = decryptByRsa(encryptByRsa, keyMap.get(SecurityUtils.PRIVATE_KEY));
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System.out.println("rsa加解密测试: decryptByRsa=" + decryptByRsa);
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}
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}
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