# How to decrypt files using FenixPyre Standalone Encryption Utility ?

**📝 Prerequisites**

1. **Request FileKeys Package**\
   To initiate the process, contact FenixPyre Support and request offline decryption assistance. A secure download link will be provided upon verification.
2. **Download and Extract Package**\
   The download will be a `.zip` archive containings files with the necessary file keys. Extract the contents to a known local directory.
3. **Ensure Access to Master Key**\
   The administrator should already have access to the **Master Key** as a `.txt` file generated via the Admin Dashboard.

***

**⚙️ Configure Registry for Offline FileKey Loading**

Update the registry with the following entries to load the file keys into the local secure database:

**Registry Path:**\
`HKEY_LOCAL_MACHINE\Software\FenixPyre\Standalone\`

| Key             | Type     | Description                                                        |
| --------------- | -------- | ------------------------------------------------------------------ |
| `folderPath`    | `REG_SZ` | Path to the extracted folder containing the `.parquet` files.      |
| `masterKeyPath` | `REG_SZ` | Path to the `.txt` Master Key downloaded from the Admin Dashboard. |
| `action`        | `REG_SZ` | Set to `LOADKEYS` to initiate the key loading process.             |

> ℹ️ Use double backslashes (`\\`) or quotes for paths with spaces.

Once these values are set, the utility will begin loading keys into the local database. You can monitor progress using the `status` and `detailedStatus` keys in the same registry path.

| Key              | Description                                                                      |
| ---------------- | -------------------------------------------------------------------------------- |
| `status`         | Displays the current state (`PENDING`, `IN_PROGRESS`, `COMPLETED`, or `FAILED`). |
| `detailedStatus` | Provides descriptive progress or error information.                              |

***

**🔓 Perform Decryption Using Loaded FileKeys**

Once the key loading process completes successfully:

1. Update the `folderPath` to point to the folder containing the **encrypted files**.
2. Change the `action` registry key to:

```
DECRYPT
```

This will trigger the utility to decrypt the files in the specified folder using the locally available file keys.

***

#### ⏱️ Key Sync Timing (for `LOADKEYS`)

Before using the `LOADKEYS` action, please ensure the file keys have fully synced from the FenixPyre storage system to your local storage.

* 🔄 **Key syncing occurs every 12 hours.**
* 🕒 To ensure a complete set of keys is available for decryption, wait at least **12 hours after the last encryption** operation before downloading the key bundle.
* 📥 Attempting to download and load file keys before this window may result in missing or incomplete decryption capabilities.

> **Recommendation:** Only request or download the offline key bundle once the 12-hour sync window has passed.


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