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 2023-04-18 15:20:08 +08:00
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package com.ruoyi.common.utils;
import cn.hutool.core.codec.Base64;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.crypto.SecureUtil;
import cn.hutool.crypto.SmUtil;
import cn.hutool.crypto.asymmetric.KeyType;
import cn.hutool.crypto.asymmetric.RSA;
import cn.hutool.crypto.asymmetric.SM2;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
/**
* 安全相关工具类
*
* @author 老马
*/
public class SecurityUtils {
/**
* 公钥
*/
public static final String PUBLIC_KEY = "publicKey";
/**
* 私钥
*/
public static final String PRIVATE_KEY = "privateKey";
/**
* Base64加密
*
* @param data 待加密数据
* @return 加密后字符串
*/
public static String encryptByBase64(String data) {
return Base64.encode(data, StandardCharsets.UTF_8);
}
/**
* Base64解密
*
* @param data 待解密数据
* @return 解密后字符串
*/
public static String decryptByBase64(String data) {
return Base64.decodeStr(data, StandardCharsets.UTF_8);
}
/**
* AES加密
*
* @param data 待解密数据
* @param password 秘钥字符串
* @return 加密后字符串, 采用Base64编码
*/
public static String encryptByAes(String data, String password) {
if (StrUtil.isBlank(password)) {
throw new IllegalArgumentException("AES需要传入秘钥信息");
}
// aes算法的秘钥要求是16位24位32位
int[] array = {16, 24, 32};
if (!ArrayUtil.contains(array, password.length())) {
throw new IllegalArgumentException("AES秘钥长度要求为16位、24位、32位");
}
return SecureUtil.aes(password.getBytes(StandardCharsets.UTF_8)).encryptBase64(data, StandardCharsets.UTF_8);
}
/**
* AES解密
*
* @param data 待解密数据
* @param password 秘钥字符串
* @return 解密后字符串
*/
public static String decryptByAes(String data, String password) {
if (StrUtil.isBlank(password)) {
throw new IllegalArgumentException("AES需要传入秘钥信息");
}
// aes算法的秘钥要求是16位24位32位
int[] array = {16, 24, 32};
if (!ArrayUtil.contains(array, password.length())) {
throw new IllegalArgumentException("AES秘钥长度要求为16位、24位、32位");
}
return SecureUtil.aes(password.getBytes(StandardCharsets.UTF_8)).decryptStr(data, StandardCharsets.UTF_8);
}
/**
* sm4加密
*
* @param data 待加密数据
* @param password 秘钥字符串
* @return 加密后字符串, 采用Base64编码
*/
public static String encryptBySm4(String data, String password) {
if (StrUtil.isBlank(password)) {
throw new IllegalArgumentException("SM4需要传入秘钥信息");
}
// sm4算法的秘钥要求是16位长度
int sm4PasswordLength = 16;
if (sm4PasswordLength != password.length()) {
throw new IllegalArgumentException("SM4秘钥长度要求为16位");
}
return SmUtil.sm4(password.getBytes(StandardCharsets.UTF_8)).encryptBase64(data, StandardCharsets.UTF_8);
}
/**
* sm4解密
*
* @param data 待解密数据
* @param password 秘钥字符串
* @return 解密后字符串
*/
public static String decryptBySm4(String data, String password) {
if (StrUtil.isBlank(password)) {
throw new IllegalArgumentException("SM4需要传入秘钥信息");
}
// sm4算法的秘钥要求是16位长度
int sm4PasswordLength = 16;
if (sm4PasswordLength != password.length()) {
throw new IllegalArgumentException("SM4秘钥长度要求为16位");
}
return SmUtil.sm4(password.getBytes(StandardCharsets.UTF_8)).decryptStr(data, StandardCharsets.UTF_8);
}
/**
* 产生sm2加解密需要的公钥和私钥
*
* @return 公私钥Map
*/
public static Map<String, String> generateSm2Key() {
Map<String, String> keyMap = new HashMap<>();
SM2 sm2 = SmUtil.sm2();
keyMap.put(PRIVATE_KEY, sm2.getPrivateKeyBase64());
keyMap.put(PUBLIC_KEY, sm2.getPublicKeyBase64());
return keyMap;
}
/**
* sm2公钥加密
*
* @param data 待加密数据
* @param publicKey 公钥
* @return 加密后字符串, 采用Base64编码
*/
public static String encryptBySm2(String data, String publicKey) {
if (StrUtil.isBlank(publicKey)) {
throw new IllegalArgumentException("SM2需要传入公钥进行加密");
}
SM2 sm2 = SmUtil.sm2(null, publicKey);
return sm2.encryptBase64(data, StandardCharsets.UTF_8, KeyType.PublicKey);
}
/**
* sm2私钥解密
*
* @param data 待加密数据
* @param privateKey 私钥
* @return 解密后字符串
*/
public static String decryptBySm2(String data, String privateKey) {
if (StrUtil.isBlank(privateKey)) {
throw new IllegalArgumentException("SM2需要传入私钥进行解密");
}
SM2 sm2 = SmUtil.sm2(privateKey, null);
return sm2.decryptStr(data, KeyType.PrivateKey, StandardCharsets.UTF_8);
}
/**
* 产生RSA加解密需要的公钥和私钥
*
* @return 公私钥Map
*/
public static Map<String, String> generateRsaKey() {
Map<String, String> keyMap = new HashMap<>();
RSA rsa = SecureUtil.rsa();
keyMap.put(PRIVATE_KEY, rsa.getPrivateKeyBase64());
keyMap.put(PUBLIC_KEY, rsa.getPublicKeyBase64());
return keyMap;
}
/**
* rsa公钥加密
*
* @param data 待加密数据
* @param publicKey 公钥
* @return 加密后字符串, 采用Base64编码
*/
public static String encryptByRsa(String data, String publicKey) {
if (StrUtil.isBlank(publicKey)) {
throw new IllegalArgumentException("RSA需要传入公钥进行加密");
}
RSA rsa = SecureUtil.rsa(null, publicKey);
return rsa.encryptBase64(data, StandardCharsets.UTF_8, KeyType.PublicKey);
}
/**
* rsa私钥解密
*
* @param data 待加密数据
* @param privateKey 私钥
* @return 解密后字符串
*/
public static String decryptByRsa(String data, String privateKey) {
if (StrUtil.isBlank(privateKey)) {
throw new IllegalArgumentException("RSA需要传入私钥进行解密");
}
RSA rsa = SecureUtil.rsa(privateKey, null);
return rsa.decryptStr(data, KeyType.PrivateKey, StandardCharsets.UTF_8);
}
// 测试方法
public static void main(String[] args) {
String str = "";
String password = "";
Map<String, String> keyMap = new HashMap<>();
//base64加解密测试
str = "老马base64加解密测试";
String encryptByBase64 = encryptByBase64(str);
System.out.println("base64加解密测试: encryptByBase64=" + encryptByBase64);
String decryptByBase64 = decryptByBase64(encryptByBase64);
System.out.println("base64加解密测试: decryptByBase64=" + decryptByBase64);
//aes加解密测试
str = "老马aes测试";
password = "adsfasddg234sfwt2545sgr@";
String encryptByAes = encryptByAes(str, password);
System.out.println("aes加解密测试: encryptByAes=" + encryptByAes);
String decryptByAes = decryptByAes(encryptByAes, password);
System.out.println("aes加解密测试: decryptByAes=" + decryptByAes);
//sm4加解密测试
str = "老马sm4测试";
password = "adsfasddg234sfwt";
String encryptBySm4 = encryptBySm4(str, password);
System.out.println("sm4加解密测试: encryptBySm4=" + encryptBySm4);
String decryptBySm4 = decryptBySm4(encryptBySm4, password);
System.out.println("sm4加解密测试: decryptBySm4=" + decryptBySm4);
//sm2加解密测试
str = "老马sm2测试";
keyMap = generateSm2Key();
String encryptBySm2 = encryptBySm2(str, keyMap.get(SecurityUtils.PUBLIC_KEY));
System.out.println("sm2加解密测试: encryptBySm2=" + encryptBySm2);
String decryptBySm2 = decryptBySm2(encryptBySm2, keyMap.get(SecurityUtils.PRIVATE_KEY));
System.out.println("sm2加解密测试: decryptBySm2=" + decryptBySm2);
//rsa加解密测试
str = "老马rsa测试";
keyMap = generateRsaKey();
String encryptByRsa = encryptByRsa(str, keyMap.get(SecurityUtils.PUBLIC_KEY));
System.out.println("rsa加解密测试: encryptByRsa=" + encryptByRsa);
String decryptByRsa = decryptByRsa(encryptByRsa, keyMap.get(SecurityUtils.PRIVATE_KEY));
System.out.println("rsa加解密测试: decryptByRsa=" + decryptByRsa);
}
}