PdfPasswordEncryption Class
Stores encryption-related information for a PDF’s standard security handler that shall allow up to two passwords to be specified for a document: a DocumentOpenPassword and a PermissionsPassword with access Permissions.
public sealed class PdfPasswordEncryption : PdfEncryptionPublic NotInheritable Class PdfPasswordEncryption
Inherits PdfEncryption- Inheritance:
- PdfPasswordEncryption
Properties
DocumentOpenPassword
Gets or sets the Document Open password (also known as a user password) required to open the PDF file.
Default value: Empty (PDF file can be decrypted without a password).
public string DocumentOpenPassword { get; set; }Public Property DocumentOpenPassword As StringProperty Value
The Document Open password.
Exceptions
Current encryption information is used to read or write an encrypted PDF file and cannot be changed. Set new encryption information instead.
EncryptionLevel
Gets or sets the encryption level.
Default value: AES_128.
public PdfEncryptionLevel EncryptionLevel { get; set; }Public Property EncryptionLevel As PdfEncryptionLevelProperty Value
The encryption level.
Exceptions
Current encryption information is used to read or write an encrypted PDF file and cannot be changed. Set new encryption information instead.
Options
Gets or sets the encryption options.
Default value: EncryptAll.
public PdfEncryptionOptions Options { get; set; }Public Property Options As PdfEncryptionOptionsProperty Value
The encryption options.
Exceptions
Current encryption information is used to read or write an encrypted PDF file and cannot be changed. Set new encryption information instead.
Permissions
(Required) A set of flags specifying which operations shall be permitted when the document is opened with user access (see Table 22).
public PdfUserAccessPermissions Permissions { get; set; }Public Property Permissions As PdfUserAccessPermissionsProperty Value
A set of flags specifying which operations shall be permitted when the document is opened with user access.
Exceptions
Current encryption information is used to read or write an encrypted PDF file and cannot be changed. Set new encryption information instead.
See Also
PermissionsPassword
Gets or sets the Permissions password (also known as a master password) required if a user performs an action that is not allowed by Permissions.
Default value: DocumentOpenPassword (actions not allowed by Permissions can be performed without a password).
public string PermissionsPassword { get; set; }Public Property PermissionsPassword As StringProperty Value
The Permissions password.
Exceptions
Current encryption information is used to read or write an encrypted PDF file and cannot be changed. Set new encryption information instead.
Inherited Properties
| Metadata | (Optional; PDF 1.4) A metadata stream containing metadata for the component. (Inherited from PdfObject) |