RSA非对称加密算法

工具类

package com.safedog.datasafe.system.utils;import cn.hutool.core.codec.Base64;
import cn.hutool.crypto.SecureUtil;
import cn.hutool.crypto.asymmetric.AsymmetricAlgorithm;
import cn.hutool.crypto.asymmetric.KeyType;
import cn.hutool.crypto.asymmetric.RSA;import java.security.KeyPair;/*** @author xrp*/
public class RsaUtil {/*** 私钥和公钥*/private static String privateKey ="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";private static String publicKey ="MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCKriXYavnhTLQKix242/S6QLYbQXFfyhbBPDzvZXoyiGxPFWkOu3xJb2UEdDB/j4qxB+JxEx8IASMtHrOxbbqKd2htJ8eLqlXgbxxyZwTv5F/9qFNNd86AAqSMhY9M8nGDp2Fut344Soy0u7ycUxNXGboCAJUmkifQ0a+q7yOWLwIDAQAB";/*** 生成公私钥*/public static   void getKey() {KeyPair pair = SecureUtil.generateKeyPair("RSA");privateKey = Base64.encode(pair.getPrivate().getEncoded());System.out.println("私钥\t" + privateKey);publicKey = Base64.encode(pair.getPublic().getEncoded());System.out.println("公钥\t" + publicKey);}public static String encrypt(String text) {RSA rsa = new RSA(AsymmetricAlgorithm.RSA_ECB_PKCS1.getValue(), privateKey, publicKey);// 公钥加密，私钥解密return rsa.encryptBase64(text, KeyType.PublicKey);}public static String decrypt(String text) {//解密RSA rsa = new RSA(AsymmetricAlgorithm.RSA_ECB_PKCS1.getValue(), privateKey, publicKey);return rsa.decryptStr(text, KeyType.PrivateKey);}}