Operation Manual

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204

USING ACROBAT X STANDARD

Security

Last updated 10/11/2011

Encrypt a PDF or PDF Portfolio with a certificate

Note: For PDF Portfolios, Action Wizard applies security to the component PDFs but not to the PDF Portfolio itself. To

secure the entire PDF Portfolio, apply security to the portfolio’s cover sheet.

1 For a single PDF or a component PDF in a PDF Portfolio, open the PDF. For a PDF Portfolio, open the PDF

Portfolio and choose View > Portfolio > Cover Sheet.

2 Choose Tools > Protection > Encrypt > Encrypt with Certificate. If you don’t see the Protection panel, see the

instructions for adding panels at

“Task panes” on page 8.

3 At the prompt, click Yes.

4 In the Certificate Security Settings dialog box, select the document components to encrypt.

5 From the Encryption Algorithm menu, choose a rate of encryption, and then click Next.

The encryption algorithm and key size are version-specific. Recipients must have the corresponding version (or later)

of Acrobat or Reader to decrypt and read the document.

• If you select 128-bit AES, recipients must have Acrobat 7 or later or Reader 7 or later to open the document.

• If you select 256-bit AES, Adobe Acrobat 9 or later or Adobe Reader 9 or later is required to open the document.

6 Create a recipient list for the encrypted PDF. Always include your own certificate in the recipient list so that you

are able to open the document later.

• Click Search to locate identities in a directory server or in your list of trusted identities.

• Click Browse to locate the file that contains certificates of trusted identities.

• To set printing and editing restrictions for the document, select recipients from the list, and then click Permissions.

7 Click Next to review your settings, and then click Finish.

When a recipient opens the PDF or PDF Portfolio, the security settings you specified for that person are used.