Encrypts a PDF document by using a password.
For information about the General and Route Evaluation property
groups, see
Common operation properties
.
Input properties
Properties to specify a PDF document and the encryption
parameters.
Input PDF
A
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 Options
A
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 properties
Property to specify a PDF document that was encrypted using
a password.
Output PDF
The location to store the PDF document that was encrypted
using a password. The data type is
document
.
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