SignDocument(Stream,string,string,string) Method

Summary

Adds a digital signature to a PDF document stored in a stream from a PFX file.

Syntax

C++/CLI

Python

public static void SignDocument( 
   Stream stream, 
   string password, 
   string signatureFileName, 
   string signaturePassword 
)

public:  
   static void SignDocument( 
      Stream^ stream, 
      String^ password, 
      String^ signatureFileName, 
      String^ signaturePassword 
   )

def SignDocument(self,stream,password,signatureFileName,signaturePassword):

Parameters

stream

Stream containing an existing PDF document to be signed.

password

The password to use if stream contains an encrypted PDF file.

signatureFileName

Name of the file containing the digital signature. This should be a valid PFX file and cannot be null.

signaturePassword

The password to use if the PFX file requires one. Otherwise, null.

Remarks

SignDocument will add the PFX digital signature in signatureFileName to an existing PDF file. Use ParsePages with the PDFParsePagesOptions.Signatures to read the digital signatures associated with a PDF document.

The application must ensure that digital signature is supported using PDFDocument.GetDigitalSignatureSupportStatus.

The PDF Forms Demo contains a full implementation of PDF signatures.

Requirements

Target Platforms