初始化项目

2026-04-30 10:47:26 +08:00
commit c932419c73
147 changed files with 45298 additions and 0 deletions
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+
+using System;
+using System.Security.Cryptography;
+using System.Text;
+namespace ConsoleDemo
+{
+    public class EncryptDes
+    {
+     
+     /**
+      * aStrString   加密内容
+      * aStrKey      加密秘钥
+      */
+    public static String Encrypt3Des(String aStrString, String aStrKey, CipherMode mode = CipherMode.ECB, String iv = "12345678")
+        {
+            
+                
+            try
+            {
+                var des = new TripleDESCryptoServiceProvider
+                {
+                    Key = Encoding.UTF8.GetBytes(aStrKey),
+                    Mode = mode
+                };
+                if (mode == CipherMode.CBC)
+                {
+                    des.IV = Encoding.UTF8.GetBytes(iv);
+                }
+                var desEncrypt = des.CreateEncryptor();
+                byte[] buffer = Encoding.UTF8.GetBytes(aStrString);
+                return Convert.ToBase64String(desEncrypt.TransformFinalBlock(buffer, 0, buffer.Length));
+            }
+            catch (Exception e)
+            {
+                return string.Empty;
+            }
+        }
+        public static string Decrypt3Des(string aStrString, string aStrKey, CipherMode mode = CipherMode.ECB, string iv = "12345678")
+        {
+            try
+            {
+                var des = new TripleDESCryptoServiceProvider
+                {
+                    Key = Encoding.UTF8.GetBytes(aStrKey),
+                    Mode = mode,
+                    Padding = PaddingMode.PKCS7
+                };
+                if (mode == CipherMode.CBC)
+                {
+                    des.IV = Encoding.UTF8.GetBytes(iv);
+                }
+                var desDecrypt = des.CreateDecryptor();
+                var result = "";
+                byte[] buffer = Convert.FromBase64String(aStrString);
+                result = Encoding.UTF8.GetString(desDecrypt.TransformFinalBlock(buffer, 0, buffer.Length));
+                return result;
+            }
+            catch (Exception e)
+            {
+                return string.Empty;
+            }
+        }
+       
+    
+    }
+}