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Classroom Contents
Improving Key-Recovery in Linear Attacks - Application to 28-Round PRESENT
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- 1 Introduction
- 2 Organisation
- 3 Matsui's Algorithm 2: Last-round attack
- 4 The work of Collard et al. (2008)
- 5 Main contribution: Generalised algorithm
- 6 Exploiting the key schedule
- 7 Walsh Transform pruning
- 8 The (affine) Pruned Walsh Transform
- 9 Combining correlations for multiple attacks
- 10 The PRESENT block cipher
- 11 Linear approximations of PRESENT
- 12 Linear distinguishers for PRESENT DISTINGUISHER 1 (used in 26,27-round attacks)
- 13 Example: Key recovery on 28-round PRESENT-80
- 14 Comparison of linear attacks on PRESENT
- 15 Summary of our results
- 16 Open problems
