On Windows, you also have a Windows Integration tab where you can specify whether identities from Windows certificates can be imported and whether all root certificates in the Windows certificates can be trusted. Click the Creation tab and check that Adobe Default Security is selected for the "Default method to use when signing and encrypting documents" option.On the Creation tab, you set the default method to be used when signing and encrypting documents.
This menu is dimmed unless you change the verification method by selecting a different radio button.
Prompt if it is not available.") You'll be prompted if you don't have the necessary software when you try to open a document.Īlso on the Verification tab is a pop-up menu allowing you to choose the default method for verifying signatures.
This option ensures that certificates are always checked against a list of excluded certificates during validation. On the Verification tab of the Digital Signatures Advanced Preferences dialog box, notice that "Require certificate revocation checking to succeed whenever possible during signatures verification" is selected ( see Figure 6).
When you view a PDF in Preview Document mode, a document message bar lets you know whether the PDF complies with the PDF/SigQ Level A or Level B specification. The Preview Document mode suppresses this dynamic content, allowing you to view and sign the document in a static and secure state. Such content may include transparency, scripts, fonts, and other dynamic content that can alter a document's appearance. Use the Preview Document mode when you want to analyze a document for content that may alter the appearance of the document after you sign it. For the moment, the Preview pane shows the default digital signature appearance, which is text-based ( see Figure 1). This is where you can personalize your digital signature by adding a graphic. In the Preferences dialog box, click New to open the Configure Signature Appearance dialog box.You may need to scroll down the list.įirst you'll add the company logo to your signature block. Choose Edit > Preferences (Mac OS: Acrobat > Preferences), and select Security in the left pane.Before you open a signed document, you should also set your preferences to optimize Acrobat for validating signatures. In the Security preferences, you can set the appearance of your digital signature, select your preferred digital signature signing method, and determine how digital signatures are verified. For this exercise, you'll use a self-signed digital ID, which is often adequate for signing documents within a corporate environment.