Digital signatures and document or email encryption Digital ID Digital signatures and document or email encryption

Issued by Comodo Digital ID / certificate is issued free of charge by Comdo http://www.comodo.com/home/email-security/free-email-certificate.php

Click the download button Click here

Fill in the form

Instructions will be emailed

Collect Certificate Follow the instructions in the email If this doesn’t work, click the link just below this button which will take you here Enter the email address you used and the password from the email you were sent

In Firefox menu double-click Options

Advanced tab Encryption sub-tab

Select Comodo certificate and click Backup

Give the backup file a name

Enter a strong password

To import the certificate into Windows Double-click the saved certificate file

Follow the import process Enter the password you created when you saved the certificate

To View Certificates Go to Internet Options in the Control Panel Click on ‘Certificates’

Your certificate will be under Personal Your email correspondents’ certificates will be under ‘Other People’

To Sign an Email On Options tab click ‘Sign’

To Encrypt and Email Click the ‘Encrypt’ button shown on the previous screen. You will need to have the recipient’s public key to do this Public keys may be sent to other people by sending them a signed email

Signed Emails have a seal Click the seal to get details of the signature

To import someone else’s public key Right-click on the sender in the ‘From’ field of a signed email Choose ‘Add to Outlook contacts’ If you already have a contact entry for this person, simply select ‘Update information of selected contact’ when you save. You will now be able to send encrypted emails to this person.

Create a signature line in Word or Excel In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, in the Text group, click the Signature Line list, and then click Microsoft Office Signature Line. In the Signature Setup dialog box, type information that will appear beneath the signature line: Suggested signer The signer's full name. Suggested signer's title The signer's title, if any. Suggested signer's e-mail address The signer's e-mail address, if needed. Instructions to the signer Add instructions for the signer. Allow the signer to add comments in the Sign dialog Allow the signer to type a purpose for signing. Show sign date in signature line Signature date will appear with signature. Click OK.

To sign the document Double-click the ‘X’ Type in the text of the signature or select an image (this could be a scan of your physical signature) Click Sign

Add invisible digital signatures in Word, Excel, or PowerPoint Click the File tab. The Backstage view appears. Click Info. Optional In the Permissions section, click Restrict Editing and set permissions. In the Permissions section, select Add a Digital Signature. On the Sign dialog, in the Purpose for signing this document box, type the purpose. Click Sign. A signature seal will now appear at the bottom info bar. Editing a signed document will remove the signature.