Microsoft Office Tutorials and References
In Depth Information
Creating a Digital ID
explaining the limits and availability of digital signatures. The message box also provides a
button you can click to see the signature services that are available from third-party sources
on Office Marketplace (see Figure 20-11).
Figure 20-11 You can opt to obtain a digital ID from a vendor or create your own in the Get A
Digital ID dialog box.
Working with Certificate Authorities and Security
W hen you obtain a digital certificate from a certification authority, you must
submit an application to the authority and pay a fee (which is usually an annual rate
based on the type of security you want to obtain). When you receive your digital
certificate, the certification authority provides instructions for installation. Similarly, if you
work with an in-house security administrator, you’ll need to follow your organization’s
policies regarding how digital certificates are distributed and how they are added to
your macros and files.
Creating a Digital ID
When you see the Get A Digital ID dialog box, click Create Your Own Digital ID then click
OK; the Create A Digital ID dialog box appears, in which you can ill in your information
and click Create to create your own digital certificate. Remember, however, that this type
of certification is unauthenticated, so it doesn’t provide much security assurance to others
outside your local area network. However, it can assure those receiving your files that they
have the most recent version of your original work.
When you click OK, the Sign dialog box appears, providing an area for you to enter the
reason you are signing the document (see Figure 20-12). Additionally, you can verify that
you are the person shown to be signing the document (if others use your computer, be sure
to verify that the correct digital ID appears in the Signing As: line). Click the Sign button to
add your digital signature to the document.
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