However, if the same document is opened on a PC that does not belong to the same network, the tick will have a different colour. Therefore, if the signatures included in the document are verified on the local system where the authority was manually included in the certificate store's trusted authorities, Acrobat Reader will display a green tick. Of course, these rules are subject to change by Adobe.įinally, the certification authority that issues the certificate is included manually on a specific workstation. These lists are managed by the American company, according to the rules that it itself has made. This Adobe-specific programme includes certificate authorities on the basis of technical requirements that are dictated entirely by Adobe. For now, this list is the only one with an objective legal value.Īnother way to gain trust is to be on the AATL (Adobe Approved Trust List) for certification authorities.
Unlike AATL, the requirements and rules for appearing on this list are governed by European regulations.A security audit to which the qualification is subject and the results of which are confirmed by ANSSI.security measures applied to the entire certificate issuing service.a face-to-face identity check of the signer.LThe EU Trusted List only includes qualified services.
The first way is to be on the EU Trusted List ( EUTL), governed by the European regulation in force (also called eIDAS). There are several ways to obtain Acrobat's trust: Since signatures use a certificate, Acrobat will analyse this certificate to determine if it was expired or revoked when it was used or if it appears in the certificate store when deciding whether to consider it as trusted.
ADOBE READER SIGNATURE PDF
The PDF reader checks the document's integrity from a purely structural standpoint: Is the data consistent with what was signed? Was the PDF altered after the signature? To validate electronic signatures, Adobe Acrobat Reader has several criteria that it uses to "classify" signatures.
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