


string signatureName = "SampleSignature" // This is the Form XObject element that represents the contents of the signature field. 509Certificates.X509Certificate2 certificate = new 509Certificates.X509Certificate2(certificateFilePath, certificateFilePassword) // The name of the signature must be unique. Define the certificate which will be used for the signing.
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This is the certificate that will be used to sign the PDF document. The constructor of the Signature class takes a X509Certificate2 object as a parameter. The signing is done through the Signature object. NET Standard/.NET Core, you must add a reference to the NuGet package, version 6 or newer (This functionality is available since R1 2022 SP1). To use the signing functionality in PdfProcessing for. A signed document is considered valid when it has not been changed after the signing, and all of its certificates have a valid trusted root certificate. A signature confirms that the document's content originated from the signer and has not been modified in any way. The digital signature feature enables you to sign and validate a PDF document. This article covers the following topics:

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