Setup and forms

paymentLogs/Utils/StringUtils.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Security;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PaymentLogs.Utils
+{
+    internal class StringUtils
+    {
+        public static SecureString ConvertToSecureString(string password)
+        {
+            if (password == null)
+                throw new ArgumentNullException("");
+
+            var securePassword = new SecureString();
+
+            foreach (char c in password)
+                securePassword.AppendChar(c);
+
+            securePassword.MakeReadOnly();
+            return securePassword;
+        }
+
+        public static String SecureStringToString(SecureString value)
+        {
+            return new System.Net.NetworkCredential("qwq112", value).Password;
+        }
+
+        public static string SHA256_hash(string _value)
+        {
+            var crypt = new SHA256Managed();
+            string hash = String.Empty;
+            byte[] crypto = crypt.ComputeHash(Encoding.UTF8.GetBytes(_value));
+            foreach (byte theByte in crypto)
+            {
+                hash += theByte.ToString("x2");
+            }
+            return hash;
+        }
+    }
+}