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Error during signature verification. Adobe Acrobat error. Bad parameter. Sign
When signing a PDF document and loading signed PDF into Acrobat Reader DC (v2022.001.20085, 64 bit). The file will load correctly but when clicking on on the signature it will give the error:
Error during signature verification. Adobe Acrobat error. Bad parameter.After a LOT of trail and error I found out why. This is because Acrobat does not follow the spec in some cases. This why some validation works correctly in some parts, but not others.
The field type (FT) shall be Sig, and the field value (V), if present,
shall be a signature dictionary containing the signature and specifying various attributes of the signature field
(see Table 252).
Source: PDF 32000-1:2008Vshould be aDictionaryaccording to this. But when a direct Dictionary is used you get the error above. When you use a Reference to a new object that is a Dictionary it works.So:
V = Dictionary -> Error: Bad parameter
V = Reference pointing to Dictionary Object -> OkI think this should be fixed and Acrobat should allow both References and direct a Dictionary.
For more info: https://stackoverflow.com/questions/72477325/pdf-digital-signature-has-bad-parameter-in-acrobat
When signing a PDF document and loading signed PDF into Acrobat Reader DC (v2022.001.20085, 64 bit). The file will load correctly but when clicking on on the signature it will give the error:
Error during signature verification. Adobe Acrobat error. Bad parameter.After a LOT of trail and error I found out why. This is because Acrobat does not follow the spec in some cases. This why some validation works correctly in some parts, but not others.
The field type (FT) shall be Sig, and the field value (V), if present,
shall be a signature dictionary containing the signature and…2 votes -
Textfield custom JS get lost under windows
OS: Windows 10
Acrobat Pro DC v2022.002.20191 | 64 bitSteps to reproduce:
- open a PDF form with custom JS for textfield calculations
- activate form tools
- select a textfield and open properties / calculation
- JS is at the custom field (bottom)
- close the dialoge window
- repeat it with other textfield (open/close)
- repeat it with the first textfield
- (optional) repeat it multiple timesobserved result: with a ~50% chance the (saved) JS code is gone
expected result: JS code should be not deletedlooks like a windows problem, no problems on MAC so far!
OS: Windows 10
Acrobat Pro DC v2022.002.20191 | 64 bitSteps to reproduce:
- open a PDF form with custom JS for textfield calculations
- activate form tools
- select a textfield and open properties / calculation
- JS is at the custom field (bottom)
- close the dialoge window
- repeat it with other textfield (open/close)
- repeat it with the first textfield
- (optional) repeat it multiple timesobserved result: with a ~50% chance the (saved) JS code is gone
expected result: JS code should be not deletedlooks like a windows problem, no problems on MAC so…
1 vote -
email phishing
Background:
I'm an IT Administrator. We have an administrative Adobe account and issue accounts/licenses to our users.Summary:
The problem is being unable to determine if emails from adobesign@adobesign.com are really from our staff or outsiders (since all AdobeSign documents send from that address) and I've found no points (email headers, body content, metadata... etc.) from which to filter these emails in our email security system, Mimecast.Details:
I know of at least one person who has created an AbodeSign with a display name that matches our company's name. When their AdobeSign emails come to our users, I want the email system to block it; however, I need to allow AdobeSign emails from our staff.Goals:
1. Determine if the email is malicious or not
2. Determine if the email was sent by our staff or not.Technical Limitations:
- Because emails are sent by Adobe servers, emails from bad actors are considered legitimate.
- Because Adobe account usernames/email addresses are omitted from the email body/headers, emails from bad actors and our staff cannot be differentiated.
- Because the contained link resolves to Adobe Document Cloud (a login page), the link cannot be used to filter content from bad actors.
- Because the recipient must log in in order to see the content on the Document Cloud website, our scanners cannot determine if the document contains malicious or phishing content or if the text or hyperlinked URLs within the document are lead to a malicious website.Workaround:
The only workarounds I can think of are to add some kind of template text to the email body or to add a special character within the display name of every user account. These workarounds can be copied by bad actors and it would only solve problem 1, knowing if the email came from an account that we provisioned.Request:
Please add the ability to configure header information or something that a user cannot see but that an email system can actionable filter on. I believe this would help aid admins and business owners defend themselves against hackers who utilize your platform maliciously.
If there's any other option that you have to allow any non-Adobe system to monitor the opening of content hosted on your systems, please reply with that.Thank you
Background:
I'm an IT Administrator. We have an administrative Adobe account and issue accounts/licenses to our users.Summary:
The problem is being unable to determine if emails from adobesign@adobesign.com are really from our staff or outsiders (since all AdobeSign documents send from that address) and I've found no points (email headers, body content, metadata... etc.) from which to filter these emails in our email security system, Mimecast.Details:
I know of at least one person who has created an AbodeSign with a display name that matches our company's name. When their AdobeSign emails come to our users, I want the…7 votes -
Defective eSign Process
Here's why there was a problem that consumed an inordinate amount of time today. I could not enter my Adobe password to eSign. Using your Tech Support's suggestion of configuring a new eSignature, I had to enter an Apple password. I did so. When I attempted to eSign I ran into the same problem using my Adobe digital signature password. THEN, I used my Apple password and got in. Adobe is guilty of requiring an Apple password but not specifying that. Please get the Adobe website software fixed to give the correct prompt. Your BS password process below won't work either. You need a conservatorship.
Here's why there was a problem that consumed an inordinate amount of time today. I could not enter my Adobe password to eSign. Using your Tech Support's suggestion of configuring a new eSignature, I had to enter an Apple password. I did so. When I attempted to eSign I ran into the same problem using my Adobe digital signature password. THEN, I used my Apple password and got in. Adobe is guilty of requiring an Apple password but not specifying that. Please get the Adobe website software fixed to give the correct prompt. Your BS password process below won't work…
1 vote -
Save login information
I would love it Adobe would save my username and password information when I login to CC services on my Mac and Macbook Air. No other native application I use makes me enter my credentials every login attempt.
4 votes -
Adding Callout Box Leaders
Please implement a feature where we can add a leader to a callout box instead of having to manually add an arrow at the pivot point.
4 votes -
Add support for nested alternate text in lists
When tagging lists, I frequently encounter symbols or acronyms that need actual text. Removing them from the list would actually make the pdf less accessible. Why isn't this a feature?
3 votes -
When adding layers to a PDF need an option to make the layer background transparent
When adding layers to a PDF need an option to make the layer background transparent - this would allow a 'base' CMY' PDF to have multiple K (version) layers added - this would allow both registration and versioning to be verified
3 votes -
3 votes
-
Adobe Acrobat Should remember your "page display" settings.
I have to navigate to "View", "Page Display" and click on "Enable Scrolling" every time I open or reopen a document because Adobe Acrobat does not recall my previous navigation/view settings.
This is such a simple user experience feature I would have expected to be sorted out in one of the early versions.
8 votes -
The software is very complex, particularly the preferences menu and the digital certificate-based signatures. Focus on simplicity
The software is very complex, particularly the preferences menu and the digital certificate-based signatures. Focus on simplicity and reducing complex and numerous options.
3 votes -
Request being able to report on staff "actively" connecting to Adobe Services. This would allow additional insight on license unassignment.
We typically have a steady turnaround of staff in the office. Being able to determine who is "actively" using the Adobe services would allow us to manage licensing more effectively / efficiently. Can there be an option for reporting / auditing users connecting to services based on date(s) and which Adobe product they were assigned to?
1 vote -
Why can't we resize the contextual tools menu when using the prepare forms tool
When using prepare forms tool the right sidebar that lists the tab order for fillable fields is too small (20 characters max) and the only way to reorder tab order is by drag and drop.
Consequently, you drag something but you can not read the place that you are dragging to.
Fix the right sidebar where it is resizable.
2 votes -
Find the selected geometry
In the FIND function, it would be great if I can find a selection. For example if I want to find all the instances of a geometry I selected like an arrow (3 lines geoemtry)
2 votes -
Add Text Keyboard Shortcut
Can we please have a keyboard shortcut to open the Add Text tool?
5 votes -
Forms that require me to fill in do not work as Acrobat doesn't allow
I have an IRS form that needs to be filled out and signed but the sections that require being filled are not allowed by Acrobat even with the free trial.
3 votes -
Translation error in View menu > option Page Navigation (Dutch language)
The Dutch version of Acrobat DC and Acrobat Reader has a spelling error in the View menu.
The menu option "Pagina navigatie" should read "Paginanavigatie" , so written together without space. This is comparable with the next menu option ("Paginaweergave"), which is spelled correctly.
See also attached screenshot.
1 vote -
simplify stamp tool. one click only for default stamp selected by user.
a lot of us use the stamp tool frequently, it is very cumbersome, needs to do many clicks to stamp for each page.
let the user choose a default stamp to use repeatedly with one click only. other PDF software can do it. such as PDF-X change editor. I am sure The King- -acrobat DC pro should able to do it.4 votes -
Adobe Pro DC hangs in Monterey OS and is unusable
I have just upgraded to Monterey and Adobe Pro DC hangs within 2-3 seconds (whirly) and needs to be closed using Force Quit....the error report is massive.....at present the app is not usable in any way....
1 vote -
adobe help is BAD
ADOBE HELP IS REALLY BAD
WHY DO WE PAY FOR SUCH BAD SERVICE2 votes
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