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Add a certificate from email
1
After a user sends you certificate information, open the email attachment in Reader, and then click Set Contact
Trust in the dialog box that appears.
Select trust options, click OK, and follow the prompts.
2
Add a Windows certificate (Windows only)
This option is recommended if you use the Windows certificate store to organize certificates.
In the Security preferences, and click Advanced Preferences.
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2
Click the Windows Integration tab, and select Enable Searching The Windows Certificate Store For Certificates
Other Than Yours. Select the desired options, and click OK twice.
Choose Document > Manage Trusted Identities.
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4
Click Add Contacts.
Do any of the following:
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•
If Windows Certificate digital IDs are allowed, select the appropriate directory and group.
•
If you configured an identity search directory, select the appropriate directory and group. You can then click
Search to locate specific certificates.
•
Click Browse, select the certificate file, and click Open.
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Select the added certificate in the Contacts list to add it to the Certificates list. Select the certificate in the Certif-
icates list, and click Details.
In the Certificate Viewer dialog box, click the Details tab and note the MD5 digest and SHA1 digest values (finger-
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print). Contact the certificate's originator to confirm that the values are correct. The certificate should be trusted only
if the values are correct. Click OK.
After you verify that the information is correct, click Trust, specify trust options, and click OK.
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Import certificates using the Windows Certificate Wizard (Windows only)
If you use the Windows certificate store to organize your certificates, you can import certificates using a wizard in
Windows Explorer.
In Windows Explorer, right-click the certificate file and choose Install Certificate.
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2
Follow the on-screen instructions to add the certificate to the Windows certificate store.
If you're prompted to validate the certificate before installing it, note the MD5 digest and SHA1 digest values
3
(fingerprint). Contact the certificate's originator to confirm that the values are correct. The certificate should be
trusted only if the values are correct. Click OK.
Add a certificate using a signature in a PDF
You can safely add a certificate to your trusted identities from a signed PDF by first verifying the fingerprint with the
certificate's originator.
Open the PDF containing the user's self-signed signature.
1
Click the signature in the document to check whether it's valid.
2
Click Signature Properties, and then click Show Certificate.
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