Digitally sign tinyxml XML file in C++ using Crypto++ or other similar library

We have a simple file format which is a zip file that contains, among other files, an xml file. This file needs to be digitally signed to detect tampering. The job is to create use C++ and a cryptography library to add digital signing to the file. ## Deliverables [login to view URL] requirements notice: As originally posted, this project does not have complete details. Should a dispute arise and this project go into arbitration "as is", the contract's vagueness might cause it to be interpreted against you, even though you were acting in good-faith. So for your protection, if you are interested in this project, please work-out and document the requirements onsite.