2ģ Indication of overall validity state When Acrobat 9 displays a certified or signed document, the Document Message Bar contains an overall state described by an icon and text (illustrated below): Icon. Replaces Acrobat 8 icons with new icons that are compatible with the new overall validity state icons Allows the last signer of the document to lock the document, which prevents further changes Adds requirement to certification of forms created with LiveCycle Designer ES Makes changes to the default time used to verify s in Acrobat 9.1 and may affect some applications Adds new capabilities in Acrobat 9.1 that may affect the status of documents when opened in earlier versions of Adobe Reader or Acrobat Makes changes to some menu and options in Acrobat 9.1 and Adobe Reader 9.1 Signature validation capabilities in Acrobat 8 are among the many topics discussed in the Digital Signature User Guide. The Signature panel is a better source of information about the validity and integrity of a document. Removes the status icon from the appearance. Disallowed changes invalidate the s on a document. Allows additional s to be applied to a document, without changing earlier s to a Valid with subsequent changes status (green check with a yellow warning triangle) Refines the definition of the kinds of changes that can be made to a certified or signed document without invalidating the s applied to the document. This information is displayed in the panel for an Acrobat form. The changes to a revision include all changes made to the document between signings. Describes the changes made to each revision of the document. You can use this information to make a quick decision about the document.
1 April 2009 bbcĢ Change Indication of overall validity state Revision tracking in Signature panel Change in status of forms that take multiple s Allowed and disallowed changes Individual status icons removed from fields Individual status icon meanings Lock document after last Certification requirement for XML forms Verification time for s Long-term validation changes Other signing changes Description Changes the Document Message Bar to specify the overall validity and integrity of the document. Here is a summary of the Acrobat 9 changes to digital usability and the associated validation.
You can use Acrobat Pro, Acrobat Pro Extended, or LiveCycle ES to apply such usage rights to a PDF document.
In Adobe Reader 9.1 and earlier, support for digital s is enabled only when opening PDF documents to which usage rights have been applied. In this document, changes introduced in Acrobat and Adobe Reader 9.1 are designated with change bars. Acrobat 9.1 also improves ease of validation in the long term. Acrobat 9.1 (and Adobe Reader 9.1) further extend the work begun in Acrobat 9.0 to provide more consistent and easier to understand validation of all types of digital s, especially for s on forms created in LiveCycle Designer ES and for XML data s.
N OTE: In certain workflows, these improvements may require you to revise business processes that use signed or certified PDF documents. These improvements are especially important to PDF documents that represent forms that can be filled out and signed by multiple people. It also refines the rules about the kinds of changes that invalidate all s in a document.
Acrobat 9.0 has improved the distinction between unsigned and signed changes. These changes should be of interest to business process developers and PKI owners. This support improves the usability and validity of digital s. 1 Technical White Paper Updated for Adobe Acrobat and Adobe Reader 9.1 CONTENTS Introduction 1 Indication of overall validity state 3 Revision tracking in Signature panel 7 Change in status of forms that take multiple s 8 Allowed and disallowed changes 9 Individual status icons removed from fields 10 Individual status icon meanings 11 Lock document after last 12 Certification requirement for XML forms 12 Verification time for s 13 Long-term validation changes 13 Other signing changes 13 Introduction The Adobe Acrobat 9 family of products and Adobe Reader 9 (collectively called Acrobat 9) offer better support for digital s in forms created in Acrobat and Adobe LiveCycle Designer ES.