Adobe Acrobat XI User Manual download pdf (Page 414)

407

Electronic signatures

Last updated 1/14/2015

4 Select Directory Servers on the left, and then click Import.

5 Select the import/export methodology file, and click Open.

6 If the file is signed, click the Signature Properties button to check the current signature status.

7 Click Import Search Directory Settings.

8 Click OK, if prompted, to confirm your choice.

The directory server appears in the Security Settings dialog box.

Export directory server settings (Windows only)

Although it is preferable to export security settings, you can export directory settings as an import/export methodology

file. Use the file to configure the directory server on another computer.

1 Open the Preferences dialog box.

2 Under Categories, select Identity.

3 Enter your name, organization, and email address to create your profile.

4 Under Categories, select Signatures.

5 For Document Timestamping, click More.

6 Select Directory Servers on the left, and then select one or more servers on the right.

7 Click Export, select a destination, and click Next.

8 To prove that the file came from you, click Sign, add your signature, and then click Next.

9 Do one of the following:

• To save the file, specify its name and location, and click Save.

• To send the file as an email attachment, type an email address in the To box, click Next, and then click Finish.

Note: See also Export security settings.

Add a timestamp to certificate-based signatures

You can include the date and time you signed the document as part of your certificate-based signature. Timestamps are

easier to verify when they are associated with a trusted timestamp authority certificate. A timestamp helps to establish

when you signed the document and reduces the chances of an invalid signature. You can obtain a timestamp from a

third-party timestamp authority or the certificate authority that issued your digital ID.

Timestamps appear in the signature field and in the Signature Properties dialog box. If a timestamp server is configured,

the timestamp appears in the Date/Time tab of the Signature Properties dialog box. If no timestamp server is

configured, the signatures field displays the local time of the computer at the moment of signing.

Note: If you did not embed a timestamp when you signed the document, you can add one later to your signature. (See

Establish long-term signature validation .) A timestamp applied after signing a document uses the time provided by the

timestamp server.

Configure a timestamp server

To configure a timestamp server, you need the server name and the URL, which you can obtain from an administrator

or a security settings file.

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Adobe Acrobat XI User Manual Page 414