Sign Method
Signs the message.
Syntax
int Sign();
Remarks
This method signs the specified message.
The message is signed with the private key specified in the Key* properties.
When signing, the following properties may be used to further configure the class:
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.)