Algebraic Attacks on Combiners with Memory and Several Outputs

Algebraic attacks on stream ciphers [14] recover the key by solving an overdefined system of multivariate equations. Such attacks can break several interesting cases of LFSR-based stream ciphers, when the output is obtained by a Boolean function, see [14

• Type: Conference
• Year: 2004
• Where: ICISC
• Authors: Nicolas Courtois
• Keywords: Algebraic Attacks, ICISC 2004, ICISC 2007, LFSR-based Stream Ciphers, Stream Ciphers