hang_S_1_可逆加密算法增加

IRaCIS.Core.Infrastructure/_IRaCIS/SymmetricEncryption.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace IRaCIS.Core.Infrastructure
+{
+    public class SymmetricEncryption
+    {
+        public static string Encrypt(string plainText, string key)
+        {
+            byte[] keyBytes = Encoding.UTF8.GetBytes(key);
+            byte[] ivBytes = new byte[16]; // Initialization vector (IV)
+
+            using (Aes aes = Aes.Create())
+            {
+                aes.Key = keyBytes;
+                aes.IV = ivBytes;
+                ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, aes.IV);
+
+                byte[] plainBytes = Encoding.UTF8.GetBytes(plainText);
+                byte[] encryptedBytes = encryptor.TransformFinalBlock(plainBytes, 0, plainBytes.Length);
+                return Convert.ToBase64String(encryptedBytes);
+            }
+        }
+
+        public static string Decrypt(string cipherText, string key)
+        {
+            byte[] keyBytes = Encoding.UTF8.GetBytes(key);
+            byte[] ivBytes = new byte[16]; // Initialization vector (IV)
+
+            using (Aes aes = Aes.Create())
+            {
+                aes.Key = keyBytes;
+                aes.IV = ivBytes;
+                ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, aes.IV);
+
+                byte[] cipherBytes = Convert.FromBase64String(cipherText);
+                byte[] decryptedBytes = decryptor.TransformFinalBlock(cipherBytes, 0, cipherBytes.Length);
+                return Encoding.UTF8.GetString(decryptedBytes);
+            }
+        }
+    }
+
+
+
+}