Can I save & store a user's data in a way that proves that the information has not been altered, and that the timestamp is accurate?
There are many situations where the validity of the timestamp attached to a certain post (submission of information) might be invaluable for the post owner's legal usage. I'm not looking for a service ...
I have a C++ application with an algorithm, whose usage I want to protect. The application needs several input data files to work (those may change for each client). My goal is to allow only ...
What if an HMAC is correctly generated and sent with the data to the server, so far I know the server needs to know the original data with which the MAC was created in order to re-create the MAC and ...