新增密码传输解密服务

ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/PasswordTransferCryptoService.java

@@ -0,0 +1,30 @@
+package com.ruoyi.framework.web.service;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import com.ruoyi.common.exception.ServiceException;
+
+@Service
+public class PasswordTransferCryptoService
+{
+    @Value("${security.password-transfer.key}")
+    private String key;
+
+    public String decrypt(String cipherText)
+    {
+        try
+        {
+            Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+            cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES"));
+            return new String(cipher.doFinal(Base64.getDecoder().decode(cipherText)), StandardCharsets.UTF_8);
+        }
+        catch (Exception ex)
+        {
+            throw new ServiceException("密码解密失败");
+        }
+    }
+}