feat:furion rbac搭建

Yi.Furion.Rbac/Yi.Framework.Infrastructure/Helper/RSAFileHelper.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.Infrastructure.Helper
+{
+    public class RSAFileHelper
+    {
+        public static RSA GetKey()
+        {
+            return GetRSA("key.pem");
+        }
+        public static RSA GetPublicKey()
+        {
+            return GetRSA("public.pem");
+        }
+
+        private static RSA GetRSA(string fileName)
+        {
+            string rootPath = Directory.GetCurrentDirectory();
+            string filePath = Path.Combine(rootPath, fileName);
+            if (!File.Exists(filePath))
+                throw new Exception("文件不存在");
+            string key = File.ReadAllText(filePath);
+            var rsa = RSA.Create();
+            rsa.ImportFromPem(key.AsSpan());
+            return rsa;
+        }
+    }
+}