Tancrède Lepoint, Mehdi Tibouchi. Cryptanalysis of a (Somewhat) Additively Homomorphic Encryption Scheme Used in PIR. In Michael Brenner, Nicolas Christin, Benjamin Johnson, Kurt Rohloff, editors, Financial Cryptography and Data Security - FC 2015 International Workshops, BITCOIN, WAHC, and Wearable, San Juan, Puerto Rico, January 30, 2015, Revised Selected Papers. Volume 8976 of Lecture Notes in Computer Science, pages 184-193, Springer, 2015. [doi]
Abstract is missing.