Adobe 22002486 Digital Signature User Guide - Page 16
Sharing Exporting a Digital ID Certificate, Viewing All of Your Digital IDs
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Acrobat 9 Family of Products Security Feature User Guide Getting and Using Your Digital ID Sharing (Exporting) a Digital ID Certificate 16 When you specify ID usage, that ID is the first one in the list you'll see when you're asked to select an ID in a signing or encryption workflow. If you select a different ID, your usage option will change to the newly selected ID; that is, the last used ID becomes the new "default." To select a default digital ID file: 1. Choose Advanced (Acrobat) or Document (Reader) > Security Settings. 2. Select Digital IDs in the left-hand tree (Figure 2.2.1). 3. Highlight an ID in the list on the right. 4. Choose Usage Options. A drop-down list appears. Figure 6 Usage options for a digital ID 5. Choose one or more options: signing, certifying, and encrypting. A lock or pen icon (or both) will appear to the left of the digital ID based on this selection. Caution: Invalid and expired IDs with a yellow caution triangle cannot be used. 2.2.2 Sharing (Exporting) a Digital ID Certificate Digital ID certificates must be distributed among participants in signing and certificate encryption workflows. Other users must have access to your certificate before: They can validate your signature if they are not already trusting a certificate above yours in the certificate chain. Note that a signature always includes the signer's certificate, so validation can occur with the certificate embedded in the signature if it is not already on the validator's machine. They can encrypt a document for you using certificate security. Certificates can be emailed or saved to a file. You can also use FDF files to export your certificate so that others can import it into their trusted identities list. For details, see "Exporting Your Certificate" on page 158. Note: To export a certificate displayed in the Certificate Viewer, choose Export on the Summary tab. 2.2.3 Viewing All of Your Digital IDs You can view all of your digital IDs in one list regardless of their type or location. To view all of your IDs: 1. Choose Advanced (Acrobat) or Document (Reader) > Security Settings.