From 516f0fa1b44a6e1c9eb5a1891d21ab43c31acdbf Mon Sep 17 00:00:00 2001
From: hang <872297557@qq.com>
Date: Tue, 4 Jul 2023 15:24:06 +0800
Subject: [PATCH] =?UTF-8?q?hang=5FS=5F1=5F=E5=8F=AF=E9=80=86=E5=8A=A0?=
 =?UTF-8?q?=E5=AF=86=E7=AE=97=E6=B3=95=E5=A2=9E=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../_IRaCIS/SymmetricEncryption.cs            | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 IRaCIS.Core.Infrastructure/_IRaCIS/SymmetricEncryption.cs

diff --git a/IRaCIS.Core.Infrastructure/_IRaCIS/SymmetricEncryption.cs b/IRaCIS.Core.Infrastructure/_IRaCIS/SymmetricEncryption.cs
new file mode 100644
index 000000000..f19c5dd73
--- /dev/null
+++ b/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);
+            }
+        }
+    }
+
+
+
+}