Open Source Security Token for Linux

Sammanfattning: The project investigates and implements a two-factor authentication system utilizingthe RSA cryptography scheme. The system consists of an FPGA security token anda PAM module for Linux. Two similar solutions were made, one air-gapped witha shorter key (version A), whereas the other communicated over USB (version B).The cryptography module in the FPGA supports no more than 512-bit RSA and isthe greatest area of improvement - since a longer key would provide more securityand still be supported by the rest of the system. Additionally, interesting follow-upprojects could be to explore quantum safe cryptography schemes - especially if tobe used for decades to come. Altogether, the prototype created is a basic, yet fullyfunctional, two-factor system with no obvious security flaws if deployed correctly.The project is released as open source under the BSD license.