A Formal Analysis of Boomerang Probabilities

• Published in: IACR Transactions on Symmetric Cryptology Vol. 2022; no. 1; pp. 88 - 109
• Main Authors: Kidmose, Andreas B., Tiessen, Tyge
• Format: Journal Article
• Language: English
• Published: Ruhr-Universität Bochum 11.03.2022
• Subjects: boomerang attack; cryptanalysis; independence; Serpent

In the past 20 years since their conception, boomerang attacks have become an important tool in the cryptanalysis of block ciphers. In the classical estimate of their success probability, assumptions are made about the independence of the underlying differential trails that are not well-founded. We...