It's the process associated with ensuring that a digital object is authentically the content issued by the author or issuer.Īuthenticity and integrity information is conveyed to a user by opening a PDF in Adobe Acrobat or Reader software and clicking the visible seal of authenticity, an eagle logo that says “Authenticated U.S.
#ADOBE PDF SIGNATURE VALIDATION VERIFICATION#
To address the need to provide evidence of authenticity and integrity of PDF documents, GPO uses a digital certificate to apply digital signatures to PDF documents and a visible seal of authenticity to convey that information to users.Ĭertification is proof of verification or authority. By authenticity, we mean that a user is able to see evidence that verifies a digital publication's identity, source, and ownership.The goal is to provide visible evidence to the receiver to verify the data has not been altered. Providing evidence of document integrity means that measures have been taken to prevent unauthorized or accidental changes to the data.With the application of digital signatures to PDF documents, GPO seeks to provide evidence of PDF integrity and authenticity: Trust that what they are seeing is in fact the official document, has not been fabricated, and has in fact been disseminated by GPO in that very form. Trust that no unauthorized changes have been made but also GPO has a broader responsibility not just to keep America Informed, but also to take measures to provide evidence to information consumers that they can trust the information in our publications. Because many of the official publications GPO provides online are in PDF format, GPO uses digital signature technology to provide evidence of authenticity and integrity and safeguard against unauthorized Products are created, managed, and delivered to users. The widespread use of digital technology has changed the ways GPO's GPO's core mission hasn't changed since opening in 1861, but the agency has evolved to meet the information needs of Congress, agencies, and the public in a predominantly digital world.
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