Financial Cryptography and Data Security: FC 2013 Workshops, USEC and WAHC 2013, Okinawa, Japan, April 1, 2013, Revised Selected Papers

The Workshop on Usable Security (USEC 13).- I Think, Therefore I Usability and Security of Authentication Using Brainwaves.- Usability and Security of Gaze-Based Graphical Grid Passwords.- The impact of length and mathematical operators on the usability and security of system-assigned one-time PINs.- The Susceptibility of Smartphone Users to QR Code Phishing Attacks.- "Comply or Die" Is Long live security-aware principal agents.- Information Security as a Credence Good.- Sorry, I Don't Get An Analysis of Warning Message Texts.- Soulmate or Acquaintance? Visualizing Tie Strength for Trust Inference.- Awareness about photos on the Web and how privacy-privacy-tradeoffs could help.- Bootstrapping Trust in Online Social Verification of Online Dating Profiles.- The Workshop on Applied Homomorphic Cryptography (WAHC 13).- Secure Hamming Distance computation from oblivious transfer.- Garbled Circuits via Structured Encryption.- On the Minimal Number of Bootstrappings in Homomorphic Circuits.- Privacy Preserving Data Processing with Collaboration of Homomorphic.- Parallel Homomorphic Encryption.- Targeting FPGA DSP Slices for a Large Integer Multiplier for Integer Based FHE.