Block Ciphers and Systems of Quadratic Equations

Abstract. In this paper we compare systems of multivariate polynomials, which completely define the block ciphers Khazad, Misty1, Kasumi, Camellia, Rijndael and Serpent in the view of a potential danger of an algebraic re-linearization attack.

• Type: Conference
• Year: 2003
• Where: FSE
• Authors: Alex Biryukov, Christophe De Cannière
• Keywords: Algebraic Re-linearization Attack, Block Ciphers, Cryptography, FSE 2003, Multivariate Polynomials