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Boomerang Switch in Multiple Rounds. Application to AES Variants and Deoxys

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Paper by Haoyang Wang, Thomas Peyrin presented at Fast Software Encryption Conference 2019 See https://iacr.org/cryptodb/data/paper....

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Boomerang Switch in Multiple Rounds. Application to AES Variants and Deoxys

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166Views

2019Sep 29

Paper by Haoyang Wang, Thomas Peyrin presented at Fast Software Encryption Conference 2019 See https://iacr.org/cryptodb/data/paper....

Transcript

Follow along using the transcript.

IACR

9.88K subscribers

Boomerang Switch in Multiple Rounds. Application to AES Variants and Deoxys

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Intro

Intro

Intro

Boomerang Attack

Boomerang Attack

Boomerang Attack

View of Boomerang Switch in Sandwich Attack

View of Boomerang Switch in Sandwich Attack

View of Boomerang Switch in Sandwich Attack

Motivation

Motivation

Motivation

Determining the Number of Rounds in E

Determining the Number of Rounds in E

Determining the Number of Rounds in E

Incompatibility in Multiple Rounds

Incompatibility in Multiple Rounds

Incompatibility in Multiple Rounds

Observation on S-box in the Boomerang Switch

Observation on S-box in the Boomerang Switch

Observation on S-box in the Boomerang Switch

Boomerang Difference Table (BDT)

Boomerang Difference Table (BDT)

Boomerang Difference Table (BDT)

IACR

License

Boomerang Switch in Multiple Rounds. Application to AES Variants and Deoxys

Chapters

Intro

Intro

Intro

Boomerang Attack

Boomerang Attack

Boomerang Attack

View of Boomerang Switch in Sandwich Attack

View of Boomerang Switch in Sandwich Attack

View of Boomerang Switch in Sandwich Attack

Motivation

Motivation

Motivation

Determining the Number of Rounds in E

Determining the Number of Rounds in E

Determining the Number of Rounds in E

Incompatibility in Multiple Rounds

Incompatibility in Multiple Rounds

Incompatibility in Multiple Rounds

Observation on S-box in the Boomerang Switch

Observation on S-box in the Boomerang Switch

Observation on S-box in the Boomerang Switch

Boomerang Difference Table (BDT)

Boomerang Difference Table (BDT)

Boomerang Difference Table (BDT)

Attack model

Attack model

Attack model

Overview of the Attack

Overview of the Attack

Overview of the Attack

The 2 round

The 2 round

The 2 round

Improvement of the Attack (BN10)

Improvement of the Attack (BN10)

Improvement of the Attack (BN10)

Description

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IACR

Transcript

General Diffusion Analysis: How to Find Optimal Permutations for Generalized Type-II Feistel Sc...

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