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2024-09-27 4842fb12fcb26c714768dab0e47d7e9012ffa87e

 src/main/java/com/yb/helper/RsaHelper.java

@@ -3,6 +3,7 @@
import org.apache.commons.codec.binary.Base64;



import javax.crypto.Cipher;

import java.io.IOException;

import java.security.KeyFactory;

import java.security.interfaces.RSAPublicKey;

import java.security.spec.X509EncodedKeySpec;

@@ -10,18 +11,24 @@
public class RsaHelper {

    //    RsA秘钥加密

    public static String encrypt(String key, String str) throws Exception {

        try {

            byte[] decoded = Base64.decodeBase64(key + "");



            RSAPublicKey pubKey = (RSAPublicKey) KeyFactory.getInstance("RSA").generatePublic(new X509EncodedKeySpec(decoded));



            // RSA加密：RSA/ECB/NoPadding

            Cipher cipher = Cipher.getInstance("RSA");

            cipher.init(Cipher.ENCRYPT_MODE, pubKey);



            String outStr = Base64.encodeBase64String(cipher.doFinal(str.getBytes("UTF-8")));



            return outStr;

        }  catch (IOException e) {

            System.out.println(e.getMessage());

            return null;

        }

        // Base64编码的公钥

        byte[] decoded = Base64.decodeBase64(key + "");



        RSAPublicKey pubKey = (RSAPublicKey) KeyFactory.getInstance("RSA").generatePublic(new X509EncodedKeySpec(decoded));



        // RSA加密：RSA/ECB/NoPadding

        Cipher cipher = Cipher.getInstance("RSA");

        cipher.init(Cipher.ENCRYPT_MODE, pubKey);



        String outStr = Base64.encodeBase64String(cipher.doFinal(str.getBytes("UTF-8")));



        return outStr;

    }



}