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New Conditional Cube Attack on Keccak Keyed Modes

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Paper by Zheng Li, Xiaoyang Dong, Wenquan Bi, Keting Jia, Xiaoyun Wang, Willi Meier presented at FSE 2020 See https://iacr.org/cryptodb/data/paper..... The conference program is at https://fse.iacr.org/2020/program.php

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New Conditional Cube Attack on Keccak Keyed Modes

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2020Nov 5

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9.87K subscribers

New Conditional Cube Attack on Keccak Keyed Modes

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Intro

Intro

Intro

Keccak-p permutation

Keccak-p permutation

Keccak-p permutation

Cryptanalysis Results of Keccak Keyed Modes

Cryptanalysis Results of Keccak Keyed Modes

Cryptanalysis Results of Keccak Keyed Modes

Conditional Cube Attack Hang et al

Conditional Cube Attack Hang et al

Conditional Cube Attack Hang et al

Summary of conditional cube attacks on Keccak-MAC-512

Summary of conditional cube attacks on Keccak-MAC-512

Summary of conditional cube attacks on Keccak-MAC-512

Model of key-recovery attack: e.g. 7-round

Model of key-recovery attack: e.g. 7-round

Model of key-recovery attack: e.g. 7-round

Generation of kernel quadratic term in x (Round 1)

Generation of kernel quadratic term in x (Round 1)

Generation of kernel quadratic term in x (Round 1)

Comparison of diffusion patterns

Comparison of diffusion patterns

Comparison of diffusion patterns

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New Conditional Cube Attack on Keccak Keyed Modes

Chapters

Intro

Intro

Intro

Keccak-p permutation

Keccak-p permutation

Keccak-p permutation

Cryptanalysis Results of Keccak Keyed Modes

Cryptanalysis Results of Keccak Keyed Modes

Cryptanalysis Results of Keccak Keyed Modes

Conditional Cube Attack Hang et al

Conditional Cube Attack Hang et al

Conditional Cube Attack Hang et al

Summary of conditional cube attacks on Keccak-MAC-512

Summary of conditional cube attacks on Keccak-MAC-512

Summary of conditional cube attacks on Keccak-MAC-512

Model of key-recovery attack: e.g. 7-round

Model of key-recovery attack: e.g. 7-round

Model of key-recovery attack: e.g. 7-round

Generation of kernel quadratic term in x (Round 1)

Generation of kernel quadratic term in x (Round 1)

Generation of kernel quadratic term in x (Round 1)

Comparison of diffusion patterns

Comparison of diffusion patterns

Comparison of diffusion patterns

MILP solution of cube variables search

MILP solution of cube variables search

MILP solution of cube variables search

Key-recovery attack on 7-round Keccak-MAC-512

Key-recovery attack on 7-round Keccak-MAC-512

Key-recovery attack on 7-round Keccak-MAC-512

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s-49: Message Authentication Codes

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