diff --git a/app/Helpers/HashHelper.php b/app/Helpers/HashHelper.php
new file mode 100644
index 0000000..d6a52db
--- /dev/null
+++ b/app/Helpers/HashHelper.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Helpers;
+
+use App\Models\User;
+
+class HashHelper
+{
+    protected const string algo = 'sha256';
+    public static function getRecordHash(User $user): string
+    {
+        $fields = AllfieldsUserHelper::get();
+        $data = array_map(fn ($item) => $user->$item, $fields);
+        $dataInLine = implode($data);
+//        dd($data);
+        return hash(self::algo, $dataInLine);
+    }
+
+    public static function getApiHash($infoOfStudent): string
+    {
+        //        dd($infoOfStudent);
+        $fields = AllfieldsUserHelper::get();
+        $data = array_map(fn ($item) => $infoOfStudent[$item], $fields);
+//                dd($data);
+        $dataInLine = implode($data);
+        //        dd($dataInLine);
+        return hash(self::algo, $dataInLine);
+    }
+}
diff --git a/app/Models/HashRecord.php b/app/Models/HashRecord.php
new file mode 100644
index 0000000..263d6aa
--- /dev/null
+++ b/app/Models/HashRecord.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class HashRecord extends Model
+{
+    protected $fillable = [
+        'id',
+        'user_id',
+        'hash',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}
diff --git a/database/migrations/2024_06_26_083013_create_hash_records_table.php b/database/migrations/2024_06_26_083013_create_hash_records_table.php
new file mode 100644
index 0000000..4537f8f
--- /dev/null
+++ b/database/migrations/2024_06_26_083013_create_hash_records_table.php
@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('hash_records', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->constrained('users');
+            $table->string('hash', 255)->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('hash_records');
+    }
+};