content: package org.ruoyi.common.encrypt.core.encryptor;
  
  import cn.hutool.core.codec.Base64;
  import cn.hutool.crypto.SecureUtil;
  import cn.hutool.crypto.asymmetric.KeyType;
  import cn.hutool.crypto.asymmetric.RSA;
  import org.ruoyi.common.core.utils.StringUtils;
  import org.ruoyi.common.encrypt.core.EncryptContext;
  import org.ruoyi.common.encrypt.enumd.AlgorithmType;
  import org.ruoyi.common.encrypt.enumd.EncodeType;
  
  
  /**
   * RSA算法实现
   *
   * @author 老马
   * @version 4.6.0
   */
  public class RsaEncryptor extends AbstractEncryptor {
  
      private final RSA rsa;
  
      public RsaEncryptor(EncryptContext context) {
          super(context);
          String privateKey = context.getPrivateKey();
          String publicKey = context.getPublicKey();
          if (StringUtils.isAnyEmpty(privateKey, publicKey)) {
              throw new IllegalArgumentException("RSA公私钥均需要提供，公钥加密，私钥解密。");
          }
          this.rsa = SecureUtil.rsa(Base64.decode(privateKey), Base64.decode(publicKey));
      }
  
      /**
       * 获得当前算法
       */
      @Override
      public AlgorithmType algorithm() {
          return AlgorithmType.RSA;
      }
  
      /**
       * 加密
       *
       * @param value      待加密字符串
       * @param encodeType 加密后的编码格式
       */
      @Override
      public String encrypt(String value, EncodeType encodeType) {
          if (encodeType == EncodeType.HEX) {
              return rsa.encryptHex(value, KeyType.PublicKey);
          } else {
              return rsa.encryptBase64(value, KeyType.PublicKey);
          }
      }
  
      /**
       * 解密
       *
       * @param value      待加密字符串
       */
      @Override
      public String decrypt(String value) {
          return this.rsa.decryptStr(value, KeyType.PrivateKey);
      }
  }
  