In this paper we propose three smartcard-based variants of anonymous authentication using unique one-time pseudonyms. The first variant can be used to authenticate a user. However,...
Abstract. Field-Programmable Gate Arrays (FPGAs) have lately become a popular target for implementing cryptographic block ciphers, as a well-designed FPGA solution can combine some...
In a series of papers Patarin proposes new efficient public key systems. A very interesting proposal, called 2-Round Public Key System with S Boxes, or 2R, is based on the difficul...
Any Web user is a potential knowledge contributor, but it remains a challenge to make them devote their time contributing to some purpose. In order to align individual with social...
Bruno Norberto da Silva, Ana Cristina Bicharra Gar...
Security and privacy concerns as well as legal considerations force many companies to encrypt the sensitive data in databases. However, storing the data in an encrypted format enta...