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

## Classes

| Class | Description |
| --- | --- |
| [DigitalSignature](./digitalsignature/) | Signature in file. |
| [DigitalSignatureCollection](./digitalsignaturecollection/) | Provides a collection of digital signatures attached to a document. |
## Enumeration

| Enumeration | Description |
| --- | --- |
| [XAdESType](./xadestype/) | Type of XML Advanced Electronic Signature (XAdES). |