'Declaration
 
Public Function New( _
   ByVal encryptionAlgorithm As EncryptionAlgorithm, _
   ByVal encryptionKeyLength As Integer, _
   ByVal userPassword As String, _
   ByVal ownerPassword As String, _
   ByVal userPermissions As UserAccessPermissions _
)

public EncryptionSystem( 
   EncryptionAlgorithm encryptionAlgorithm,
   int encryptionKeyLength,
   string userPassword,
   string ownerPassword,
   UserAccessPermissions userPermissions
)

public: EncryptionSystem( 
   EncryptionAlgorithm encryptionAlgorithm,
   int encryptionKeyLength,
   string* userPassword,
   string* ownerPassword,
   UserAccessPermissions userPermissions
)

public:
EncryptionSystem( 
   EncryptionAlgorithm encryptionAlgorithm,
   int encryptionKeyLength,
   String^ userPassword,
   String^ ownerPassword,
   UserAccessPermissions userPermissions
)

Parameters

encryptionAlgorithm

The encryption algorithm.

encryptionKeyLength

The encryption key length (in bits).

userPassword

User password string.

ownerPassword

Owner password string.

userPermissions

The UserAccessPermissions that specifying which access permissions should be granted when the document is opened with user access.

Target Platforms: .NET 6; .NET 5; .NET Core 3.1; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

EncryptionSystem Class
EncryptionSystem Members
Overload List
PdfDocument Constructor(PdfFormat,EncryptionSystem)
Pack(PdfFormat,EncryptionSystem) Method