Encrypts a PDF document by using a password.
For information about the General and Route Evaluation property
groups, see Common operation properties.
Input propertiesProperties to specify a PDF document and the encryption
parameters.
Input PDFA document value that represents
the PDF document to encrypt.
If you provide a literal value,
clicking the ellipsis button opens
the Select Asset dialog box. (See About Select Asset.)
Encryption OptionsA Password Encryption Option Spec value
that specifies encryption settings. If you provide a literal value,
specify the following options.
- Compatibility:
- Specifies the compatibility with earlier versions of Acrobat
and Adobe Reader. The following values are valid.
Acrobat 3.0 And Later: Compatible with Acrobat 3 and
later versions that provide 40-bit encryption.
Acrobat 5.0 And Later: Compatible with Acrobat 5 and
later versions that provide 128-bit encryption.
Acrobat 6.0 And Later: Compatible with Acrobat 6 and
later versions that provide 128-bit encryption and also a finer
granularity of control over what operations are permitted.
Acrobat 7.0 And Later: Compatible with Acrobat 7 and
later versions that provide Advanced Encryption Standard (AES).
Acrobat 9.0 And Later: Compatible with Acrobat 9 and
later versions that encrypt PDF documents by using FIPs compliant
AES 256 algorithm.
The default is Acrobat 5.0 And Later.
- All Document Contents:
- Select to encrypt the entire PDF document, including its
attachments and metadata.
- All Contents Except Metadata:
- Select to encrypt all PDF document resources except for its
metadata. This option is available only when Acrobat 6.0 And Later, Acrobat
7.0 And Later, or Acrobat 9.0 And Later is selected for the Compatibility option.
- Attachments Only:
- Select to encrypt only PDF document attachments. This option
is available only when Acrobat 7.0 And Later or Acrobat 9.0 And
Later is selected for the Compatibility option.
- Document Open Password:
- The string value that represents the password required
to open a password-encrypted PDF document.
If you do not specify
a value for the open password, users are not prompted for the open
password value when opening the PDF document in Adobe Reader or Acrobat.
However, users are prompted for the permission password value when they
attempt to change settings in Acrobat or when removing encryption
from the PDF document.
The value of the Document Open Password
property must be different than the value of the Permissions Password
property. If these properties are the same, an exception is thrown
when the operation executes.
- Restrict Edit Of Security Settings:
- Determines whether permissions password is used. When selected,
the Permissions Password, Printing Allowed, and Changes Allowed
options can be modified. Otherwise, no permissions password can
be specified, and defaults for the Printing Allowed and Changes Allowed
options are used.
Permissions Password: The
password value that is required to modify permissions on the document
or remove encryption.
If you specify a null value for the
permission password, users are prompted for the open password value
when opening the PDF document in Adobe Reader or Acrobat. However,
users are not prompted for the permission password value when they
attempt to change settings in Acrobat or when removing encryption
from the PDF document. The value of the Permissions Password property
must be different than the value of the Document Open Password property.
If these properties are the same, an exception is thrown when the operation
executes.
Printing Allowed: The permission that specifies whether
printing is allowed. The default is High Resolution.
The following values are valid.
None: Specifies that printing of the PDF file is not
allowed.
High Resolution: Specifies that printing of the PDF
is permitted in high resolution.
Low Resolution (150 dpi): Specifies that printing
of the PDF file is permitted in low resolution up to 150 dpi.
Changes Allowed: The changes that are allowed on the
PDF document. The default is Any Except Extracting Pages.
The following values are valid.
None: No changes are permitted on the encrypted PDF
file.
Inserting, Deleting, And Rotating Pages: Only inserting
text, deleting, and rotating the page layout is permitted.
Form Fill And Sign Signature Fields: Only filling
in fields and digitally signing the PDF file is permitted.
Comments, Form Fill And Sign Signature Fields: Only
adding comments, filling in the fields in the PDF file, and digitally
signing the PDF file is permitted.
Any Except Extracting Pages: All editing of a PDF
file is permitted except for extracting PDF pages from the document.
Output propertiesProperty to specify a PDF document that was encrypted using
a password.
Output PDFThe location to store the PDF document that was encrypted
using a password. The data type is document.
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