RSA非对称加密算法工具类

RSA非对称加密算法

工具类

package com.safedog.datasafe.system.utils;

import cn.hutool.core.codec.Base;
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 = Base.encode(pair.getPrivate().getEncoded());
        System.out.println("私钥\t" + privateKey);
        publicKey = Base.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.encryptBase(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);
    }


}