Document signing is becoming more prevalent in today’s office. Documents are signed to:
Prove the source of the document. The Document Signing certificate contains information about the organization of the signer.
Determine if the contents of the document are modified. The digital signature helps determine if the content is changed in any way.
The method of signing a document depends greatly on the application used to create the document. The following sections describe applying a digital signature to Microsoft Office 2007 documents and Adobe Acrobat Portable Document Format (PDF) documents.
To digitally sign a Microsoft Office 2007 document, you must first acquire a Document Signing certificate ...