Sign Method
Signs the data.
Syntax
messagesigner.sign([callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This method signs the data provided via InputFile (or InputStream) with SigningCertificate, and saves the signature in OutputFile (OutputStream). Set the desired signature variant via SignatureType property.
The class automatically timestamps the created signature if a TimestampServer is provided.