/// Decrypt response - TRY APPROACH 1
  static Map<String, dynamic> decryptSecureResponseApproach1(
      String secureResponseHex, String encryptedTokenBase64) {
    try {
      debugPrint('=== DECRYPTION APPROACH 1 ===');

      // 1. Decrypt token
      final randKeyDecryptorKey = dotenv.env['RAND_KEY_DECRYPTOR_KEY']!;
      final randKeyDecryptorSalt = dotenv.env['RAND_KEY_DECRYPTOR_SALT']!;

      final decryptedTokenHex = _aes256DecryptFromBase64(
        encryptedTokenBase64,
        randKeyDecryptorKey,
        randKeyDecryptorSalt,
      );

      debugPrint('1. Decrypted token (hex): $decryptedTokenHex');
      debugPrint('   Length: ${decryptedTokenHex.length}');

      // 2. Gunakan token hex langsung sebagai key string (bukan convert ke bytes)
      debugPrint('2. Using hex token directly as key string');

      final secureTextSaltDecryptor = dotenv.env['SECURE_TEXT_SALT_DECRYPTOR']!;

      final decryptedResponse = _aes256DecryptFromHex(
        secureResponseHex,
        decryptedTokenHex, // Gunakan hex string langsung
        secureTextSaltDecryptor,
      );

      debugPrint('3. Decrypted: $decryptedResponse');

      return jsonDecode(decryptedResponse);
    } catch (e) {
      debugPrint('Approach 1 failed: $e');
      rethrow;
    }
  }