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# PDFEncryptionAlgorithm

Namespace: O2S.Components.PDF4NET.Core.Security

The supported PDF encryption algorithms.

    public enum PDFEncryptionAlgorithm

Inheritance Object → ValueType → Enum → PDFEncryptionAlgorithm
Implements

## Fields

Name | Value | Description
--- | --- | ---
None | 0 | No encryption is used.
RC4 | 1 | RC4 encryption.
AES | 2 | AES encryption.
Unknown | 3 | Unknown encryption algorithm.