diff --git a/anbs_cp/Classes/FileHash.cs b/anbs_cp/Classes/FileHash.cs
index b1453be..73ca448 100644
--- a/anbs_cp/Classes/FileHash.cs
+++ b/anbs_cp/Classes/FileHash.cs
@@ -1,4 +1,5 @@
 using System.Security.Cryptography;
+using System.Text;
 
 using Microsoft.AspNetCore.Http;
 
@@ -7,7 +8,7 @@ namespace anbs_cp.Classes;
 /// <summary>
 /// Класс для работы с хэшем файла
 /// </summary>
-public class FileHash
+public sealed class FileHash
 {
     /// <summary>
     /// Получение md5-хэша файла.
@@ -35,14 +36,32 @@ public class FileHash
         Hash = md5.ComputeHash(streamReader.BaseStream);
     }
 
+    /// <summary>
+    /// Простой конструктор
+    /// </summary>
+    public FileHash ()
+    {
+        Hash = new byte[] { };
+    }
+
     /// <summary>
     /// Хэш файла
     /// </summary>
-    public byte[] Hash { get; }
+    public byte[] Hash { get; private set; }
 
     /// <summary>
     /// Вывод в строку
     /// </summary>
     /// <returns>Строка хэша файла</returns>
     public override string ToString () => BitConverter.ToString(Hash).Replace("-", "").ToLowerInvariant();
+
+    /// <summary>
+    /// Конвертирует строку в хэш
+    /// </summary>
+    /// <param name="value">Строка</param>
+    public void FromString (string value)
+    {
+        UTF8Encoding utf8 = new();
+        Hash = utf8.GetBytes(value);
+    }
 }
\ No newline at end of file
diff --git a/anbs_cp/anbs_cp.csproj b/anbs_cp/anbs_cp.csproj
index bdbb49c..2003061 100644
--- a/anbs_cp/anbs_cp.csproj
+++ b/anbs_cp/anbs_cp.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
-    <Version>2023.204.0</Version>
+    <Version>2023.211.0</Version>
     <Authors>Alexander Babaev</Authors>
     <Product>ANB Software Components Pack</Product>
     <Description>Library of some useful functions in C# language.</Description>