Help on Digital signing

[Ajit B Pandit <aj...@in.ibm.com>]

Hello team,

We are planning to use PDFBox library to Digitally sign PDF documents.

We have a requirement from client, to print signature on every page of PDF document, instead of single page.
Please help to know if this can be done and can you share sample client code to perform same? OR we need to modify/ alter library?

regards,
AJIT PANDIT
Solution Architect,
IBM India Pvt Ltd
Email: ajit.pandit@in.ibm.com<ma...@in.ibm.com>

Re: Help on Digital signing

[Tilman Hausherr <TH...@t-online.de>]

https://stackoverflow.com/questions/72574460/signature-on-all-pages-with-pdfbox

https://stackoverflow.com/questions/35701597/how-to-show-digital-pdf-signature-in-all-documents-page-using-itext/35724742#35724742

https://stackoverflow.com/questions/52829507/multiple-esign-using-pdfbox-2-0-12-java/52834362#52834362


On 17.10.2022 11:53, Ajit B Pandit wrote:
> Hello team,
>
> We are planning to use PDFBox library to Digitally sign PDF documents.
>
> We have a requirement from client, to print signature on every page of PDF document, instead of single page.
> Please help to know if this can be done and can you share sample client code to perform same? OR we need to modify/ alter library?
>
> regards,
> AJIT PANDIT
> Solution Architect,
> IBM India Pvt Ltd
> Email: ajit.pandit@in.ibm.com<ma...@in.ibm.com>
>
>


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Re: Help on Digital signing

[Gilad Denneboom <gi...@gmail.com>]

Digital signatures don't work like that. There's no need to apply them to
all pages, they apply to the entire file as a whole. Doing so will require
you to separately sign each signature field, and is likely to cause issues
with the file, including corruption. Instead, you can add an image to each
page, either of a "wet" signature or of a stamp that says it's "signed",
and then actually sign it digitally, once. That's all that's needed.

On Mon, Oct 17, 2022 at 11:57 AM Ajit B Pandit <aj...@in.ibm.com>
wrote:

> Hello team,
>
> We are planning to use PDFBox library to Digitally sign PDF documents.
>
> We have a requirement from client, to print signature on every page of PDF
> document, instead of single page.
> Please help to know if this can be done and can you share sample client
> code to perform same? OR we need to modify/ alter library?
>
> regards,
> AJIT PANDIT
> Solution Architect,
> IBM India Pvt Ltd
> Email: ajit.pandit@in.ibm.com<ma...@in.ibm.com>
>
>