easyPDF SDK Usermanual
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Signature Property

Enables/Disables digital signature.




By certifying a document, you vouch for its contents and enable recipients to verify that the document came from you. It can also add tamper-resistance to detect and prevent unwanted changes. In order to certify a document, you need to create a digital ID (can be created with SignatureCreateDigitalID method).

Example Usage

Set oPrinter = CreateObject("easyPDF.Printer.8")
Set oPrintJob = oPrinter.PrintJob
Set oPDFSetting = oPrintJob.PDFSetting

' Create a digital ID (do this only if you do not have digital ID already)
oPDFSetting.SignatureCreateDigitalID "C:\test\my_digital_id.pfx",  _
                                     "password_here", _
                                     "John Smith", _
                                     "US", _
                                     "Organization Name", _
                                     "Organization Unit", _
                                     "My Email Address", _

' You can retrieve a certificate file from digital ID and
' have other people use it to verify your signed document.
oPDFSetting.SignatureExportCertificate "C:\test\my_certificate.cer", _
                                       "C:\test\my_digital_id.pfx", _

' Enable digital signature
oPDFSetting.Signature = True

' Set digital ID file
oPDFSetting.SignatureDigitalIDFileName = "C:\test\my_digital_id.pfx"

' Insert an image which will visually represent a signature
oPDFSetting.SignatureImage = True
oPDFSetting.SignatureImageFileName = "C:\test\signature.bmp"
oPDFSetting.SignatureImagePosLeft = 1.0 ' 1.0 inch from left
oPDFSetting.SignatureImagePosTop = 1.0 ' 1.0 inch from top
oPDFSetting.SignatureImageZoom = 100 ' percent
oPDFSetting.SignatureInfoContact = "Contact info"
oPDFSetting.SignatureInfoLocation = "Location info"
oPDFSetting.SignatureInfoPurpose = "Purpose info"

' Set digital ID password before PDF conversion
oPrintJob.SignatureDigitalIDPassword = "password_here"

oPrintJob.PrintOut "C:\test\input.doc", "C:\test\output.pdf"