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Shirley Gong
1/24/20
Q&A
How can I create signature widget appearance from PDF content stream?
Question: We have a custom appearance in vector form and we want to use it as a custom appearance for
unread,
android
annotations
sign
Q&A
How can I create signature widget appearance from PDF content stream?
Question: We have a custom appearance in vector form and we want to use it as a custom appearance for
1/24/20
Ryan
6/4/19
Q&A
How to delete a specific digital signature field?
Question: How to completely remove a single Digital Signature field, while leaving other exiting
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sign
Q&A
How to delete a specific digital signature field?
Question: How to completely remove a single Digital Signature field, while leaving other exiting
6/4/19
Ryan
5/16/19
Q&A
How to remove digital signatures?
Question: We have PDF files that cannot be edited because they have been digitally signed. It is more
unread,
edit
pdf
sign
Q&A
How to remove digital signatures?
Question: We have PDF files that cannot be edited because they have been digitally signed. It is more
5/16/19
ch.gru...@gmail.com
,
Shakthi Wijeratne
6
1/18/19
Add Digital Signature on Stamp Annotations
Hello, apologies for the delay in response. To create a signature annotation and field, you must do a
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sign
Add Digital Signature on Stamp Annotations
Hello, apologies for the delay in response. To create a signature annotation and field, you must do a
1/18/19
Euan Carmichael
3/7/18
How to add Long Term Validation data to a PDF file
Question: I have a PDF file that I would like to add Long Term Validation (LTV) to, how can this be
unread,
sign
How to add Long Term Validation data to a PDF file
Question: I have a PDF file that I would like to add Long Term Validation (LTV) to, how can this be
3/7/18
Ryan
8/23/17
Q&A
How to retrieve image data from Signature field?
Question: I'm using PDFNet for Windows Universal Apps and I am trying to collect form field data.
unread,
forms
sign
universal
Q&A
How to retrieve image data from Signature field?
Question: I'm using PDFNet for Windows Universal Apps and I am trying to collect form field data.
8/23/17
Ryan
3
4/29/19
Q&A
How to add the time to a Digital Signature?
Ruby version sigDict = sigField.UseSignatureHandler(sigHandlerId) now = PDFNetRuby::Date.new now.
unread,
sign
Q&A
How to add the time to a Digital Signature?
Ruby version sigDict = sigField.UseSignatureHandler(sigHandlerId) now = PDFNetRuby::Date.new now.
4/29/19
Ryan
1/15/16
Q&A
What are the different types of digital signatures that can be added to a PDF using PDFNet?
Answer: There are two types of digital signatures in a PDF. Author Signature : Zero or One Approval/
unread,
Acrobat
save
sign
Q&A
What are the different types of digital signatures that can be added to a PDF using PDFNet?
Answer: There are two types of digital signatures in a PDF. Author Signature : Zero or One Approval/
1/15/16
Ryan
1/8/16
Q&A
How do I use PDFDCEX to generate custom appearance for digital signature field?
Q: I want to use PDFDCEX interface to generate the visual appearance of a digital signature field,
unread,
ElementWriter
annotations
page
sign
Q&A
How do I use PDFDCEX to generate custom appearance for digital signature field?
Q: I want to use PDFDCEX interface to generate the visual appearance of a digital signature field,
1/8/16
James
11/20/15
Q&A
How to show the digital signature view immediately after a tap (iOS)
Q: We creating an app for signing pdf files legally. I have the PDFNet framework that I have to
unread,
iOS
sign
Q&A
How to show the digital signature view immediately after a tap (iOS)
Q: We creating an app for signing pdf files legally. I have the PDFNet framework that I have to
11/20/15
Vincent Ycasas
7/23/15
Q&A
Can I use the same SignatureHandler instance when signing multiple fields?
Question: I want to sign a PDF with multiple fields using the same SignatureHandler instance. When I
unread,
pdf
sign
Q&A
Can I use the same SignatureHandler instance when signing multiple fields?
Question: I want to sign a PDF with multiple fields using the same SignatureHandler instance. When I
7/23/15
Vincent Ycasas
7/2/15
Q&A
Why are there extra zeroed bytes added when signing a PDF?
Question: We have noticed that when we sign a PDF with PDFNet, the signature always has 64 more bytes
unread,
pdf
sign
Q&A
Why are there extra zeroed bytes added when signing a PDF?
Question: We have noticed that when we sign a PDF with PDFNet, the signature always has 64 more bytes
7/2/15
Aaron
4/14/15
Q&A
Why does signing a document seem to change the document permissions?
Q: I've set the security permissions on my document to allow Document Assembly (adding/removing
unread,
Acrobat
security
sign
Q&A
Why does signing a document seem to change the document permissions?
Q: I've set the security permissions on my document to allow Document Assembly (adding/removing
4/14/15
Aaron
10/28/14
Q&A
Why does adding a second signature field and signing it invalidate the signature on my document?
Q: I have a document which I've signed and saved. Then, I add a new form field and signature and
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Acrobat
incremental
save
sign
Q&A
Why does adding a second signature field and signing it invalidate the signature on my document?
Q: I have a document which I've signed and saved. Then, I add a new form field and signature and
10/28/14
Aaron
10/10/14
Q&A
Can I save twice to the same stream?
Q: I'm signing a document twice, and each time saving to a memory stream incrementally. My code
unread,
save
sign
Q&A
Can I save twice to the same stream?
Q: I'm signing a document twice, and each time saving to a memory stream incrementally. My code
10/10/14
Morne Scholtz
, …
James
4
9/15/14
Q&A
iOS - How to programmatically select a signature(with AnnotEditTool)
Thanks guys, No problem, I will use the simulation of a gesture recogniser for now and look out for
unread,
annotations
sign
Q&A
iOS - How to programmatically select a signature(with AnnotEditTool)
Thanks guys, No problem, I will use the simulation of a gesture recogniser for now and look out for
9/15/14
Support
9/6/14
Q&A
How do I check if PDF signature is valid ?
Q: I am working in a project that creates signatures and digitally signs PDF. I am very pleased with
unread,
faq
sign
validation
Q&A
How do I check if PDF signature is valid ?
Q: I am working in a project that creates signatures and digitally signs PDF. I am very pleased with
9/6/14
Vincent Ycasas
2/18/14
Q&A
How Do I Sign a PDF Using Smart Cards or Hardware Security Module?
Question: How Do I Sign a PDF Using Smart Cards or Hardware Security Module? Is it possible to do so
unread,
pdf
pkcs11
sign
Q&A
How Do I Sign a PDF Using Smart Cards or Hardware Security Module?
Question: How Do I Sign a PDF Using Smart Cards or Hardware Security Module? Is it possible to do so
2/18/14
Vincent Ycasas
,
Support
2
1/30/14
Q&A
What Type of Certificates Should We Use for Digital Signatures?
You will want to make sure that the cert provider is listed as part of Adobe Approved Trust List (
unread,
AATL
Acrobat
sign
Q&A
What Type of Certificates Should We Use for Digital Signatures?
You will want to make sure that the cert provider is listed as part of Adobe Approved Trust List (
1/30/14
Aaron Gravesdale
12/23/13
Q&A
How do I find a digital signature's byte offset in the pdf?
Q: I have a question regarding the DigitalSignaturesTest sample. Is it possible to calculate the
unread,
Obj
pdf
sign
Q&A
How do I find a digital signature's byte offset in the pdf?
Q: I have a question regarding the DigitalSignaturesTest sample. Is it possible to calculate the
12/23/13
Vincent Ycasas
,
Ryan
2
9/26/16
Q&A
How to Obtain the Digital Signature From a Signed PDF Document?
Question: How do I get the date, location, name, etc. of the signature? Answer: While the digital
unread,
sign
Q&A
How to Obtain the Digital Signature From a Signed PDF Document?
Question: How do I get the date, location, name, etc. of the signature? Answer: While the digital
9/26/16
Vincent Ycasas
5/8/17
Q&A
Does PDFNet's Digital Signatures API conform to PAdES Standard?
Question: Does PDFNet's digital signatures API conform to PAdES standard? Answer: PDFNet's
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pdf
sign
Q&A
Does PDFNet's Digital Signatures API conform to PAdES Standard?
Question: Does PDFNet's digital signatures API conform to PAdES standard? Answer: PDFNet's
5/8/17
florian....@gmail.com
,
Support
2
7/15/13
Q&A
Setting Appearance: signing pdf files with a pkcs12 certificate
Hi Florian, Yes you can create and set appearance to be text, or a path, or any type of PDF graphics.
unread,
android
forms
sign
Q&A
Setting Appearance: signing pdf files with a pkcs12 certificate
Hi Florian, Yes you can create and set appearance to be text, or a path, or any type of PDF graphics.
7/15/13
Support
, …
Vincent Ycasas
3
6/20/17
Q&A
How do I check if all signature fields on a PDF form have been signed?
It is possible that it returns an empty dictionary. If such is the case, then field.GetValue() will
unread,
sign
Q&A
How do I check if all signature fields on a PDF form have been signed?
It is possible that it returns an empty dictionary. If such is the case, then field.GetValue() will
6/20/17
Vincent Ycasas
2
5/1/13
Q&A
Removing Digital Signatures From a PDF Document
Answer: Depending on a given use case scenario, removing a signature field would involve the
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sign
Q&A
Removing Digital Signatures From a PDF Document
Answer: Depending on a given use case scenario, removing a signature field would involve the
5/1/13
Vincent Ycasas
2
4/17/13
Q&A
How do I add timestamps when signing a PDF document?
Answer: Assuming you are referring to the time stamp that is attached to the signature dictionary (
unread,
sign
Q&A
How do I add timestamps when signing a PDF document?
Answer: Assuming you are referring to the time stamp that is attached to the signature dictionary (
4/17/13
Support
,
Anderson Konzen
2
4/22/14
Q&A
PDF digital signatures for iOS & Android and some licensing questions
Update: Starting with version 6.1.0 of the Android PDFNet SDK, the Tools library is now shipped as an
unread,
android
iOS
licensing
sign
Q&A
PDF digital signatures for iOS & Android and some licensing questions
Update: Starting with version 6.1.0 of the Android PDFNet SDK, the Tools library is now shipped as an
4/22/14
Support
11/26/12
Q&A
Incremental PDF saving for digital signatures.
Q: I try to sign a PDF document with two or more signatures in my solution. It seems that Acrobat
unread,
sign
Q&A
Incremental PDF saving for digital signatures.
Q: I try to sign a PDF document with two or more signatures in my solution. It seems that Acrobat
11/26/12
Support
3
10/4/12
Q&A
Digitally sign a PDF on iOS / Android
Q: Can you describe what the APIs for PDF digital signatures, with what backends it works with, what
unread,
android
faq
iOS
sign
Q&A
Digitally sign a PDF on iOS / Android
Q: Can you describe what the APIs for PDF digital signatures, with what backends it works with, what
10/4/12
Support
9/13/12
Q&A
Re: Image in Text Field
You can add an image to a text field via a custom apperance (annot.SetAppearance()). Please, check
unread,
annotations
customize
sign
Q&A
Re: Image in Text Field
You can add an image to a text field via a custom apperance (annot.SetAppearance()). Please, check
9/13/12