The **Aspose.Cells.DigitalSignatures**  namespace provides classes to sign documents and verify signatures.

### Classes
| Class | Description |
| :- | :- |
| [`DigitalSignature`](/cells/python-net/aspose.cells.digitalsignatures/digitalsignature) | Signature in file. |
| [`DigitalSignatureCollection`](/cells/python-net/aspose.cells.digitalsignatures/digitalsignaturecollection) | Provides a collection of digital signatures attached to a document. |


### Enumerations
| Enumeration | Description |
| :- | :- |
| [`XAdESType`](/cells/python-net/aspose.cells.digitalsignatures/xadestype) | Type of XML Advanced Electronic Signature (XAdES). |