Protecting block ciphers against differential fault attacks without re-keying

• Main Authors: Baksi, Anubhab, Bhasin, Shivam, Breier, Jakub, Khairallah, Mustafa, Peyrin, Thomas
• Other Authors: School of Computer Science and Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2019
• Subjects: Enctyption; Ciphers; DRNTU::Engineering::Computer science and engineering
• Online Access: https://hdl.handle.net/10356/88761; http://hdl.handle.net/10220/47670
• Institution: Nanyang Technological University

In this article, we propose a new method to protect block cipher implementations against Differential Fault Attacks (DFA). Our strategy, so-called “Tweak-in-Plaintext”, ensures that an uncontrolled value ('tweak-in') is inserted into some part of the block cipher plaintext, thus effectivel...