## PdfEncryptionAlgorithm enumeration

Specifies the encryption algorithm to use for encrypting a PDF document.



The PdfEncryptionAlgorithm type exposes the following members:

### Fields
| Field | Description |
| :- | :- |
| RC4_40 | RC4 encryption, key length of 40 bits. |
| RC4_128 | RC4 encryption, key length of 128 bits. |


### See Also

* module [aspose.diagram.saving](../)