TElOfficeBinaryXMLSignatureHandler is a descendant of TElOfficeBinaryCustomSignatureHandler.
TElOfficeBinaryXMLSignatureHandler is a security handler to be used for generating
and validating signatures over Microsoft Office binary documents.
To use this class in the development and distribution of your software projects, you need to purchase one of the following licenses:
OfficeBlackbox OR SecureBlackbox Data Security OR SecureBlackbox Professional