node-signpdf
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[](https://nodei.co/npm/node-signpdf/)
Simple signing of PDFs in node.
See Signing PDF in simple steps
The process of signing a document is described in the Digital Signatures in PDF document.
This lib:
Buffers of the PDF and a P12 certificate to use when signingIn the test PDFKit is used for generating the PDF. This also allows easy addition of the signature placeholder.
What's needed is a Sig element and a Widget that is also linked in a Form. The form needs to be referenced in the root descriptor of the PDF as well. A readable sample is available in the test.
That's where node-signpdf kicks in. Given a PDF and a P12 certificate a signature is generated in detached mode and is replaced in the placeholder. This is best demonstrated in the tests.
node-forge is used for working with signatures. Curerntly a fork is used until a needed PR is accepted.
PDFKit is used in the tests for generating a PDF with a signature placeholder.
The whole signing flow is a rework of what's already in pdfsign.js so thanks go to @tbocek
FAQs
DEPRECATED. Have a look at @signpdf/signpdf instead.
The npm package node-signpdf receives a total of 6,809 weekly downloads. As such, node-signpdf popularity was classified as popular.
We found that node-signpdf demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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