PdfEncryptionLevel Structure

Represents a symmetric encryption algorithm used in a PDF file and the length of the encryption key used in that algorithm.

Inheritance Hierarchy

SystemObject
SystemValueType
SautinSoft.Pdf.SecurityPdfEncryptionLevel

Namespace: SautinSoft.Pdf.Security
Assembly: SautinSoft.Pdf (in SautinSoft.Pdf.dll) Version: 2025.11.10

Syntax

public struct PdfEncryptionLevel : IEquatable<PdfEncryptionLevel>

Public Structure PdfEncryptionLevel
	Implements IEquatable(Of PdfEncryptionLevel)

The PdfEncryptionLevel type exposes the following members.

Constructors

	Name	Description
	PdfEncryptionLevel	Initializes a new instance of the PdfEncryptionLevel structure.

Properties

	Name	Description
	Algorithm	Gets the symmetric encryption algorithm.
	KeyLength	Gets the length of the encryption key (in bits) used in the Algorithm.

Methods

	Name	Description
	Equals(Object)	Determines whether the specified Object is equal to this PdfEncryptionLevel instance. (Overrides ValueTypeEquals(Object))
	Equals(PdfEncryptionLevel)	Determines whether the specified PdfEncryptionLevel is equal to this PdfEncryptionLevel instance.
	GetHashCode	Returns a hash code for this PdfEncryptionLevel instance. (Overrides ValueTypeGetHashCode)
	ToString	Returns a String that represents this PdfEncryptionLevel instance. (Overrides ValueTypeToString)

Operators

	Name	Description
	Equality(PdfEncryptionLevel, PdfEncryptionLevel)	Determines whether first and secondPdfEncryptionLevels are equal.
	Inequality(PdfEncryptionLevel, PdfEncryptionLevel)	Determines whether first and secondPdfEncryptionLevels are not equal.

Fields

	Name	Description
	AES_128	The 128-bit AES encryption level. Compatible with PDF_1_6.
	AES_256	The 256-bit AES encryption level. Compatible with PDF_1_7 using Adobe's extension level 8 or with PDF_2_0.
	RC4_128	The 128-bit RC4 encryption level.
	RC4_40	The 40-bit RC4 encryption level.