Feel free to copy and paste any part of this code.If you have suggestions, ideas or anything, please CONTRIBUTE does cover only basic scenarios of signing a PDF. ![]() takes Buffers of the PDF and a P12 certificate to use when signing.requires the Contents descriptor in the Sig be placed after the ByteRange one.requires the signature placeholder to already be in the document (There are helpers included that can try to add it).As Adobe's files are deprecated, here is the standard as defined by ETSI. The process of signing a document is described in the Digital Signatures in PDF document.readFileSync ( PATH_TO_P12_CERTIFICATE ), ) Notes Sign the documentĬonst signedPdf = signer. You can see how this is done in the signs a ready pdf test. ![]() We have a helper that can add a signature placeholder in at least the most basic PDFs without depending on pdfkit. This is demonstrated in the signs input PDF test. Before saving (writing to fs, or just converting to Buffer) your file, you need to a add a signature placeholder to it. You have already created a PDF using foliojs/pdfkit and you want to sign that. ![]() If that's your case, you should read the section. In practice we expect that most people will just read through the code we've written in the testing part of this package and figure it out themselves. Install with npm i -S node-signpdf node-forge. The main purpose is to demonstrate the way signing can be achieved in a piece of readable code as it can take a lot of hours to figure out. The purpose of this package is not as much to be used as a dependendency, although it could.
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