1、登录密码-加密解密优化

Tools/MyUtils/Utils.cs

@@ -87,68 +87,55 @@ namespace Tools.MyUtils
         #endregion
         #region 加密解密
 
+        /// <summary>
+        /// 秘钥
+        /// </summary>
         private static string KEY_ENCRYPT = "c_dc";
         /// <summary>
-        /// 解密字符串
+        /// DES解密
         /// </summary>
-        /// <param name="pDecryptStr"></param>
+        /// <param name="src">源字符串</param>
         /// <returns></returns>
-        public static string DecryptString(string pDecryptStr)
+        public static string Decryptor(string src)
         {
-
-            DESCryptoServiceProvider desc = new DESCryptoServiceProvider();
-            //产生key
-            PasswordDeriveBytes db = new PasswordDeriveBytes(KEY_ENCRYPT, null);
-            byte[] key = db.GetBytes(8);
-            //存储解密后的数据
-            MemoryStream ms = new MemoryStream();
-            CryptoStream cs = new CryptoStream(ms, desc.CreateDecryptor(key, key), CryptoStreamMode.Write);
-            //取到加密后的数据的字节流，如果是保存到文件
             try
             {
-                byte[] databytes = Convert.FromBase64String(pDecryptStr);
-                //解密数据
-                cs.Write(databytes, 0, databytes.Length);
+                var key = new PasswordDeriveBytes(KEY_ENCRYPT, null).GetBytes(8);
+                var transform = new DESCryptoServiceProvider().CreateDecryptor(key, key);
+                var ms = new MemoryStream();
+                var cs = new CryptoStream(ms, transform, CryptoStreamMode.Write);
+                var data = Convert.FromBase64String(src);
+                cs.Write(data, 0, data.Length);
                 cs.FlushFinalBlock();
-                byte[] res = ms.ToArray();
-                //返回解密后的数据，这里返回的数据应该和参数pwd的值相同。
-                return System.Text.Encoding.UTF8.GetString(res);
+                return Encoding.UTF8.GetString(ms.ToArray());
             }
-            catch
+            catch (Exception)
             {
-                Utils.Tip($"字符串{pDecryptStr}解密不成功。");
+                Utils.Tip($"字符串{src}解密不成功。");
                 return null;
             }
         }
         /// <summary>
-        /// 加密字符串
+        /// DES加密
         /// </summary>
-        /// <param name="pEncryptedStr"></param>
+        /// <param name="src">源字符串</param>
         /// <returns></returns>
-        public static string EncryptString(string pEncryptedStr)
+        public static string Encryptor(string src)
         {
-            //des进行加密
-            DESCryptoServiceProvider desc = new DESCryptoServiceProvider();
-            //产生key
-            PasswordDeriveBytes db = new PasswordDeriveBytes(KEY_ENCRYPT, null);
-            byte[] key = db.GetBytes(8);
-            //存储加密后的数据
-            MemoryStream ms = new MemoryStream();
-            CryptoStream cs = new CryptoStream(ms, desc.CreateEncryptor(key, key), CryptoStreamMode.Write);
-            //取到密码的字节流
             try
             {
-                byte[] data = Encoding.UTF8.GetBytes(pEncryptedStr);
-                //进行加密
+                var key = new PasswordDeriveBytes(KEY_ENCRYPT, null).GetBytes(8);
+                var transform = new DESCryptoServiceProvider().CreateEncryptor(key, key);
+                var ms = new MemoryStream();
+                var cs = new CryptoStream(ms, transform, CryptoStreamMode.Write);
+                var data = Encoding.UTF8.GetBytes(src);
                 cs.Write(data, 0, data.Length);
                 cs.FlushFinalBlock();
-                //取加密后的数据
-                byte[] res = ms.ToArray();
-                return Convert.ToBase64String(res);
+                return Convert.ToBase64String(ms.ToArray());
             }
-            catch
+            catch (Exception)
             {
-                Utils.Tip($"字符串{pEncryptedStr}加密不成功。");
+                Utils.Tip($"字符串{src}加密不成功。");
                 return null;
             }
 

Tools/UI/wLoginPwd.Designer.cs

@@ -28,19 +28,20 @@
         /// </summary>
         private void InitializeComponent()
         {
-            this.tbPassword = new System.Windows.Forms.TextBox();
+            this.tbSrcString = new System.Windows.Forms.TextBox();
             this.label1 = new System.Windows.Forms.Label();
             this.btnDecrypt = new System.Windows.Forms.Button();
             this.tbResult = new System.Windows.Forms.TextBox();
             this.label2 = new System.Windows.Forms.Label();
+            this.btnEncrypt = new System.Windows.Forms.Button();
             this.SuspendLayout();
             // 
-            // tbPassword
+            // tbSrcString
             // 
-            this.tbPassword.Location = new System.Drawing.Point(116, 51);
-            this.tbPassword.Name = "tbPassword";
-            this.tbPassword.Size = new System.Drawing.Size(171, 21);
-            this.tbPassword.TabIndex = 0;
+            this.tbSrcString.Location = new System.Drawing.Point(116, 51);
+            this.tbSrcString.Name = "tbSrcString";
+            this.tbSrcString.Size = new System.Drawing.Size(171, 21);
+            this.tbSrcString.TabIndex = 0;
             // 
             // label1
             // 
@@ -49,7 +50,7 @@
             this.label1.Name = "label1";
             this.label1.Size = new System.Drawing.Size(29, 12);
             this.label1.TabIndex = 1;
-            this.label1.Text = "密文";
+            this.label1.Text = "文本";
             // 
             // btnDecrypt
             // 
@@ -77,16 +78,27 @@
             this.label2.TabIndex = 4;
             this.label2.Text = "结果";
             // 
+            // btnEncrypt
+            // 
+            this.btnEncrypt.Location = new System.Drawing.Point(212, 78);
+            this.btnEncrypt.Name = "btnEncrypt";
+            this.btnEncrypt.Size = new System.Drawing.Size(75, 23);
+            this.btnEncrypt.TabIndex = 5;
+            this.btnEncrypt.Text = "加密";
+            this.btnEncrypt.UseVisualStyleBackColor = true;
+            this.btnEncrypt.Click += new System.EventHandler(this.btnEncrypt_Click);
+            // 
             // wLoginPwd
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(377, 213);
+            this.Controls.Add(this.btnEncrypt);
             this.Controls.Add(this.label2);
             this.Controls.Add(this.tbResult);
             this.Controls.Add(this.btnDecrypt);
             this.Controls.Add(this.label1);
-            this.Controls.Add(this.tbPassword);
+            this.Controls.Add(this.tbSrcString);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
             this.Name = "wLoginPwd";
             this.Text = "wLoginPwd";
@@ -97,10 +109,11 @@
 
         #endregion
 
-        private System.Windows.Forms.TextBox tbPassword;
+        private System.Windows.Forms.TextBox tbSrcString;
         private System.Windows.Forms.Label label1;
         private System.Windows.Forms.Button btnDecrypt;
         private System.Windows.Forms.TextBox tbResult;
         private System.Windows.Forms.Label label2;
+        private System.Windows.Forms.Button btnEncrypt;
     }
 }
\ No newline at end of file

Tools/UI/wLoginPwd.cs

@@ -18,7 +18,7 @@ namespace Tools.UI
         /// <summary>
         /// 密文
         /// </summary>
-        string Password => this.tbPassword.Text.Trim();
+        string Source => this.tbSrcString.Text.Trim();
         /// <summary>
         /// 结果
         /// </summary>
@@ -40,8 +40,25 @@ namespace Tools.UI
         /// <param name="e"></param>
         private void btnDecrypt_Click(object sender, EventArgs e)
         {
-            //解密
-            this.Result = Utils.DecryptString(this.Password);
+            this.Result = Utils.Decryptor(this.Source);
+            this.FocusResult();
+        }
+        /// <summary>
+        /// 按钮事件：加密
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void btnEncrypt_Click(object sender, EventArgs e)
+        {
+            this.Result = Utils.Encryptor(this.Source);
+            this.FocusResult();
+        }
+
+        /// <summary>
+        /// 选中结果
+        /// </summary>
+        private void FocusResult()
+        {
             //获取焦点，并选中文本
             this.tbResult.Focus();
             this.tbResult.SelectAll();