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Encrypt Dialog Box

You can use the Encrypt dialog box to configure the encryption settings for a PDF document. This topic describes the options in the dialog box.

Designer displays the Encrypt dialog box when you select the Setting button after selecting the Encrypt checkbox in the Export to PDF dialog box.

You see the following options in the dialog box:

Compatibility

Select the encryption type to encrypt the PDF document. "Acrobat 3.0 and later" uses a low encryption level (40-bit RC4), while "Acrobat 5.0 and later" uses a high encryption level (128-bit RC4).

Encryption Level

This option shows the level of the encryption compatibility that you select in the Compatibility drop-down list.

Options

• Require a password to open the document
  Select to protect the document using a password.
  • Document Open Password
    Specify the password to prevent users from opening the document without authorization.
  • Confirm Password
    Confirm the password you specified in the Document Open Password text box.

Permissions

• Use a password to restrict printing and editing of the document and its security settings
  Select to use a permission password to restrict users from printing and editing the PDF document.
  • Permission Password
    Specify the password to restrict users from printing and editing the PDF document.
  • Confirm Password
    Confirm the password you have specified in the Permission Password text box.
  • Printing Allowed
    Select whether to allow users to print the PDF document.
    • None
      Select to prevent users from printing the document.
    • Low Resolution
      Designer displays the option when you select a high encryption level - Acrobat 5.0. If you select the option, users can print the document at no higher than 150-dpi resolution.
    • High Resolution
      Select to allow users print at any resolution, directing high-quality vector output to PostScript and other printers that support advanced high-quality printing features.
  • Changes Allowed
    Select what editing actions you allow in the PDF document.
    • None
      Select to prevent users from making any changes to the document, including filling in signature and form fields.
    • Inserting, deleting, and rotating pages
      Designer displays the option when you select a high encryption level - Acrobat 5.0. If you select the option, users can insert, delete, and rotate pages, and create bookmarks and thumbnail pages.
    • Filling in form fields and signing
      Select to allow users fill in forms and add digital signatures. This option doesn't allow users to add comments or create form fields.
    • Commenting, filling in form fields and signing
      Select to allow users fill in forms and add digital signatures and comments.
    • Any except extracting pages
      Select to allow users change the document using any method listed in the Changes Allowed menu, except removing pages.
  • Enable copying of text, images and other content
    Select to enable users to select and copy the contents of the PDF document.
  • Enable text access for screen reader devices for the visually impaired
    Designer enables this option only when you set Compatibility to Acrobat 5.0 or later. Select it if you want to enable the use of screen readers for visually impaired users on the PDF document.

OK

Select to apply your settings and close the dialog box.

Cancel

Select to close the dialog box without saving any changes.

Help

Select to view information about the dialog box.

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