![]() electronic signatureĪs with all things legal, definitions matter. ![]() How to sign documents online: Digital signature vs. Preview for occasionally signing documents on a MacĪdobe Acrobat Reader for occasionally signing documents on a PCĮSignatures.io for a pay-as-you-go option Please.) The best eSignature softwareĭocuSign for businesses that sign lots of thingsĭropbox Sign for integration with cloud storage (Seriously, if you hire freelance writers, please use one of these apps. I considered and tested almost 40 electronic signature apps, and these are the seven best-for everyone on both sides of the paperwork. Whether you're looking for a way to electronically sign a document that you've just received or want to send documents out to be digitally signed by contractors and other business partners, I have recommendations for the right apps to use. It's reached the point now that I'm relieved to see a DocuSign or Dropbox Sign link in an email-and get stressed when it's a link from one of the many apps not on this list. I've spoken with GlobalSign support who has verified that the certificate chain saved within the document is properly linked to the Adobe certifiate for CDS.As a freelance tech writer, I've had to sign dozens of contracts, statements of work, W8-BEN-E forms, and other legal documents over the last decade just to do my job. I know this is for an older version of Acrobat, but many of our clients are using version 9 and we'd like to be able to have the signatures appear valid (because they are). The details of the invalid signature indicated that "there have been changes made to this document that invalidate the signature", but all I did was validate the signatures (they were checked and indicated as valid when the document was opened). I opened the signatures panel and clicked the "Validate All" button and all of a sudden, the first (certifying) signature was now marked invalid. I opened the signed PDF in Acrobat 9, and the blue certification ribbon showed and indicated that all signatures are valid. To test, I booted up a VM with Win7 and Acrobat Standard 9 (9.5.5) and was able to reproduce the issue. When I asked which version of Acrobat they are using, he replied that they have Acrobat 9. We've followed the Adobe guidelines for applying certificate based signatures ( ) and have not had a problem until recently when a client reported that the signatures are coming up invalid. Each document has multiple signatures, the first of which is the certifying signature, then the others are approval signatures. We use Acrobat Standard 11 to digitally sign documents using Adobe Certified Document Services (CDS) certificates issued by GlobalSign. ![]() ![]() I've attempted to contact Adobe support about this issue, but they referred me here because the issue is with a previous version of Acrobat. I'm aware that un-checking the "Require certificate revocation checking to succeed whenever possible during signature verification" solves the issue (as it simply skips the CRL checking), so I prefer to have the CRL check working Is it a known bug/limitation? will it be fixed? is there a way to allow/force Adobe to read the LDAP url? I should mention that when I use a certificate with a CDP entry that points to an HTTP url, I don't get such errors. Location: ldap:///CN=ROOT,CN=CDP,CN=Public Key Services,CN=Services,CN=Configuration,DC=TEST,DC=LOCAL?certificateRev ocationList?base?objectclass=cRLDistributionPointĬannot connect to server._ The CRL of the certificate is pointed by an LDAP url (ldap:///CN=ROOT,CN=CDP,CN=Public Key Services,CN=Services,CN=Configuration,DC=TEST,DC=LOCAL?certificateRev ocationList?base?objectclass=cRLDistributionPoint). I'm trying to verify a digital signature in Adobe. ![]()
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