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backend/routes/encryption.js

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+const express = require('express');
+const router = express.Router();
+const fs = require('fs');
+const path = require('path');
+const crypto = require('crypto');
+
+// Путь к папке с ключами шифрования
+const KEYS_DIR = path.join(__dirname, '../../ssl/keys');
+const ENCRYPTION_KEY_PATH = path.join(KEYS_DIR, 'full_db_encryption.key');
+
+// Создаем папку keys если её нет
+if (!fs.existsSync(KEYS_DIR)) {
+  fs.mkdirSync(KEYS_DIR, { recursive: true });
+}
+
+// Helper to read encryption key
+const readEncryptionKey = (keyPath) => {
+  try {
+    return fs.readFileSync(keyPath, 'utf8');
+  } catch (error) {
+    return null;
+  }
+};
+
+// Helper to write encryption key
+const writeEncryptionKey = (keyPath, key) => {
+  try {
+    fs.writeFileSync(keyPath, key, { mode: 0o600 });
+    return true;
+  } catch (error) {
+    return false;
+  }
+};
+
+// GET /api/encryption-key - Get existing encryption key
+router.get('/encryption-key', (req, res) => {
+  const encryptionKey = readEncryptionKey(ENCRYPTION_KEY_PATH);
+  
+  if (encryptionKey) {
+    res.json({ success: true, encryptionKey: encryptionKey });
+  } else {
+    res.status(404).json({ success: false, message: 'Encryption key not found' });
+  }
+});
+
+// POST /api/encryption-key/generate - Generate a new encryption key
+router.post('/encryption-key/generate', (req, res) => {
+  try {
+    // Генерируем новый ключ шифрования (256 бит)
+    const encryptionKey = crypto.randomBytes(32).toString('hex');
+    
+    // Сохраняем ключ в файл
+    if (writeEncryptionKey(ENCRYPTION_KEY_PATH, encryptionKey)) {
+      res.json({ 
+        success: true, 
+        message: 'Encryption key generated successfully', 
+        encryptionKey: encryptionKey 
+      });
+    } else {
+      res.status(500).json({ success: false, message: 'Failed to save encryption key' });
+    }
+  } catch (error) {
+    res.status(500).json({ success: false, message: `Failed to generate encryption key: ${error.message}` });
+  }
+});
+
+module.exports = router;