Sign Method
Signs the data.
Syntax
int Sign();
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.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)