From a088987e7ab7005db1bb1da61dfc0cf420e02d78 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 13 十一月 2024 17:11:28 +0800
Subject: [PATCH] 1

---
 src/main/java/com/moon/server/helper/RsaHelper.java |   80 +--------------------------------------
 1 files changed, 3 insertions(+), 77 deletions(-)

diff --git a/src/main/java/com/moon/server/helper/RsaHelper.java b/src/main/java/com/moon/server/helper/RsaHelper.java
index 172eb36..7040301 100644
--- a/src/main/java/com/moon/server/helper/RsaHelper.java
+++ b/src/main/java/com/moon/server/helper/RsaHelper.java
@@ -16,51 +16,24 @@
 import java.util.HashMap;
 import java.util.Map;
 
-/**
- * RSA宸ュ叿绫�
- * @author WWW
- */
+@SuppressWarnings("ALL")
 public class RsaHelper {
-    /**
-     * 绉侀挜
-     */
     private static String privateKey;
 
-    /**
-     * 鍏挜
-     */
     private static String publicKey;
 
-    /**
-     * 瀵嗛挜绠楁硶
-     */
     private static final String KEY_ALGORITHM = "RSA";
 
-    /**
-     * RSA瀵嗛挜闀垮害锛�1024 鎴� 2048
-     */
     private static final int DEFAULT_RSA_KEY_SIZE = 1024;
 
-    /**
-     * 鏃ュ織
-     */
     private final static Log log = LogFactory.getLog(RsaHelper.class);
 
-    /**
-     * 鐢熸垚鍏閽�
-     */
     public static void generate() {
         Map<String, String> result = generateRsaKey(DEFAULT_RSA_KEY_SIZE);
         System.out.println("鍏挜涓猴細" + result.get("publicKey"));
         System.out.println("绉侀挜涓猴細" + result.get("privateKey"));
     }
 
-    /**
-     * 鑾峰彇RSA鍔犲瘑绉侀挜
-     *
-     * @return
-     * @throws IOException
-     */
     public static String getPrivateKey() throws IOException {
         if (privateKey == null) {
             InputStream inPrivate = new ClassPathResource("config" + File.separator + "rsa_private_key.txt").getInputStream();
@@ -71,12 +44,6 @@
         return privateKey;
     }
 
-    /**
-     * 鑾峰彇RSA鍔犲瘑鍏挜
-     *
-     * @return
-     * @throws IOException
-     */
     public static String getPublicKey() throws IOException {
         if (publicKey == null) {
             InputStream inPrivate = new ClassPathResource("config" + File.separator + "rsa_public_key.txt").getInputStream();
@@ -87,13 +54,6 @@
         return publicKey;
     }
 
-    /**
-     * 璇诲彇鏂囨湰鏂囦欢
-     *
-     * @param fileName 鏂囦欢璺緞
-     * @return
-     * @throws IOException
-     */
     public static String readFile(String fileName) throws IOException {
         File file = new File(fileName);
         BufferedReader br = new BufferedReader(new FileReader(file));
@@ -109,13 +69,6 @@
         return result.toString();
     }
 
-    /**
-     * 鎶奿nputStream杞垚String
-     *
-     * @param is
-     * @return
-     * @throws IOException
-     */
     private static String inputStream2String(InputStream is) throws IOException {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 
@@ -130,28 +83,18 @@
         return str;
     }
 
-    /**
-     * 鐢熸垚RSA鐨勫叕绉侀挜
-     *
-     * @param keySize 1025 鎴� 2048
-     * @return
-     */
     public static Map<String, String> generateRsaKey(int keySize) {
         Map<String, String> result = new HashMap<>(2);
         try {
             KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance(KEY_ALGORITHM);
 
-            // 鍒濆鍖栧瘑閽ュ鐢熸垚鍣紝瀵嗛挜澶у皬涓�1024 2048浣�
             keyPairGen.initialize(keySize, new SecureRandom());
 
-            // 鐢熸垚涓�涓瘑閽ュ锛屼繚瀛樺湪keyPair涓�
             KeyPair keyPair = keyPairGen.generateKeyPair();
 
-            // 寰楀埌鍏挜瀛楃涓�
             String pub = new String(Base64.encodeBase64(keyPair.getPublic().getEncoded()));
             result.put("publicKey", pub);
 
-            // 寰楀埌绉侀挜瀛楃涓�
             String pri = new String(Base64.encodeBase64(keyPair.getPrivate().getEncoded()));
             result.put("privateKey", pri);
         } catch (Exception ex) {
@@ -161,22 +104,13 @@
         return result;
     }
 
-    /**
-     * RSA绉侀挜瑙ｅ瘑
-     *
-     * @param str 鍔犲瘑鐨勫瓧绗︿覆
-     * @return 瑙ｅ瘑瀛楃涓�
-     * @throws Exception 鍔犲瘑杩囩▼涓殑寮傚父淇℃伅
-     */
     public static String decrypt(String str) throws Exception {
-        // 64浣嶈В鐮佸姞瀵嗗悗鐨勫瓧绗︿覆
         byte[] inputByte = Base64.decodeBase64(str.getBytes(StandardCharsets.UTF_8));
 
-        // Base64缂栫爜鐨勭閽�
         byte[] decoded = Base64.decodeBase64(getPrivateKey());
         RSAPrivateKey priKey = (RSAPrivateKey) KeyFactory.getInstance("RSA").generatePrivate(new PKCS8EncodedKeySpec(decoded));
 
-        // RSA瑙ｅ瘑锛歊SA/ECB/NoPadding
+        // RSA/ECB/NoPadding
         Cipher cipher = Cipher.getInstance("RSA");
         cipher.init(Cipher.DECRYPT_MODE, priKey);
 
@@ -185,20 +119,12 @@
         return outStr;
     }
 
-    /**
-     * RSA鍏挜鍔犲瘑
-     *
-     * @param str 闇�瑕佸姞瀵嗙殑瀛楃涓�
-     * @return 瀵嗘枃
-     * @throws Exception 鍔犲瘑杩囩▼涓殑寮傚父淇℃伅
-     */
     public static String encrypt(String str) throws Exception {
-        // Base64缂栫爜鐨勫叕閽�
         byte[] decoded = Base64.decodeBase64(getPublicKey());
 
         RSAPublicKey pubKey = (RSAPublicKey) KeyFactory.getInstance("RSA").generatePublic(new X509EncodedKeySpec(decoded));
 
-        // RSA鍔犲瘑锛歊SA/ECB/NoPadding
+        // RSA/ECB/NoPadding
         Cipher cipher = Cipher.getInstance("RSA");
         cipher.init(Cipher.ENCRYPT_MODE, pubKey);
 

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