The system I want to implement has the following requirement: All users can insert some sensitive data, but only one, master user, can see it. There is any known, already implemented solution to this ...
I am just wondering what is the main difference between the Yahalom and Needham-Schroeder key exchange protocols? Which protocol uses less computational power?
I'm building a database that symmetrically encrypts user data. Nothing super sensitive, I'd use a third-party if it was. The data is encrypted with a surrogate key; the user must enter a password to ...