first commit

2025-06-05 09:51:30 +08:00
commit b3657fb024
680 changed files with 83364 additions and 0 deletions
--- a/dcsoft-auth/src/main/java/com/dcsoft/auth/utils/AESUtils.java
+++ b/dcsoft-auth/src/main/java/com/dcsoft/auth/utils/AESUtils.java
@@ -0,0 +1,97 @@
+package com.dcsoft.auth.utils;
+
+import org.springframework.util.Base64Utils;
+
+import javax.crypto.KeyGenerator;
+import javax.crypto.*;
+import javax.crypto.spec.SecretKeySpec;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.SecureRandom;
+
+/**
+ * @version V1.0
+ * @desc AES 加密工具类
+ */
+public class AESUtils {
+
+    /**
+     * RSA加密后的AES秘钥
+     */
+    private static String aesEncyptPwd="ZIkun+KvXFWLZLYUwXqFWazQeRe119AkcGcl+p8Erzi4EEaHBFYcQuGuKthIE+1IWSQxoUpUJkT0T1+xtoRi3txDnBikdrFhccGZdRpqwRv58q5nqxJX4wVrq0Ms02KBKgQRTqqlzfYLzQcYPyhv8KPE8JDVkttic+W+j5pFles=";
+
+    private static final String KEY_ALGORITHM = "AES";
+
+    private static final String DEFAULT_CIPHER_ALGORITHM = "AES/ECB/PKCS5Padding";
+
+    /**
+     * AES 加密操作
+     *
+     * @param content  待加密内容
+     * @return 返回Base64转码后的加密数据
+     */
+    public static String encrypt(String content) {
+        try {
+            Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
+            byte[] byteContent = content.getBytes("utf-8");
+            cipher.init(Cipher.ENCRYPT_MODE, getSecretKey(RSAUtils.decrypt(aesEncyptPwd)));
+            byte[] result = cipher.doFinal(byteContent);
+            return Base64Utils.encodeToString(result);
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            System.out.println("AES加密失败");
+        }
+
+        return null;
+    }
+
+    /**
+     * AES 解密操作
+     *
+     * @param content  已加密内容
+     * @return
+     */
+    public static String decrypt(String content) {
+        try {
+            //实例化
+            Cipher cipher = Cipher.getInstance(DEFAULT_CIPHER_ALGORITHM);
+            //使用密钥初始化，设置为解密模式
+            cipher.init(Cipher.DECRYPT_MODE, getSecretKey(RSAUtils.decrypt(aesEncyptPwd)));
+            //执行操作
+            byte[] result = cipher.doFinal(Base64Utils.decodeFromString(content));
+            return new String(result, "utf-8");
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            System.out.println("AES解密失败");
+        }
+        return null;
+    }
+
+    /**
+     * 生成加密秘钥
+     *
+     * @return
+     */
+    private static SecretKeySpec getSecretKey(String aesKey) {
+        //返回生成指定算法密钥生成器的 KeyGenerator 对象
+        KeyGenerator kg = null;
+        try {
+            kg = KeyGenerator.getInstance(KEY_ALGORITHM);
+            //AES 要求密钥长度为 128
+            SecureRandom random=SecureRandom.getInstance("SHA1PRNG","SUN");
+            random.setSeed(aesKey.getBytes());
+            kg.init(128, random);
+            //生成一个密钥
+            SecretKey secretKey = kg.generateKey();
+            return new SecretKeySpec(secretKey.getEncoded(), KEY_ALGORITHM);
+        } catch (NoSuchAlgorithmException ex) {
+            ex.printStackTrace();
+            System.out.println("生成加密秘钥失败");
+        } catch (NoSuchProviderException e) {
+            e.printStackTrace();
+            System.out.println("生成加密秘钥失败");
+        }
+        return null;
+    }
+}
+