**Inheritance:** java.lang.Object ``` public class DigitalSignatureUtil ``` Provides methods for signing document. To learn more, visit the [ Work with Digital Signatures ][Work with Digital Signat......DOTX](../../com.aspose.words/loadformat/\#DOTX), [LoadFormat...[LoadFormat.DOTX](../../com.aspose.words/loadformat/\#DOTX), [LoadFormat...