TY - CONF T1 - Non-linear Cryptanalysis Revisited: Heuristic Search for Approximations to S-Boxes PY - 2007/01/01 AU - Tapiador JME AU - Clark JA AU - Hernandez-Castro JC ED - DO - DOI: 10.1007/978-3-540-77272-9_7 PB - Springer Berlin Heidelberg SN - 9783540772712 SP - 99 EP - 117 Y2 - 2025/05/08 ER -