ĭ) Write the signedData into the file stream. This can be implemented by calling PDFUI.registerSignHandler(signerInfo) or PDFDoc.sign( signInfo,digestSignHandler ). Ĭ) Get signedData by signing the digest using certification. You may refer to PDF Reference 1.7+ for details.ī) Calculate the message digest of the content covered by signature’s byteRange. To sign and verify a digital signature on PDF, you should go over the following procedures:Ī) Generate a file stream which contains signature’s byteRange. Steps to sign and verify digital signature on PDF In this section, you will learn about the general steps to sign and verify signature, related signature APIs, ways to interact with the digital signature, and the test signature service routes we provided. Our technology can be integrated with any PDF documents, like smart forms and is compliant with PDF 2.0. Valid contracts and authenticate documents with customizable electronic signatures that can adhere to any standards or regulations across the world, including eIDAS, UETA and ESIGN.

Digital signatures can happen at page or document level depending on regulation and company standards.ĭigital Signatures add a layer of security to documents that can help lessen the amount of steps needed to sign up to your services.

In technical terms digital signatures are generated public key encryption that confirms a person’s identity in order to substantiate a document for legal or other purposes. Foxit PDF SDK for Web: Digital SignaturesĪ digital signature is a digitally generated representation of a person’s identity through either an image of a persons signature or a computer generated typed signature which verifies a person’s identify and authenticates the contents of a document.

Foxit signature