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Conditional Linear Cryptanalysis – Cryptanalysis of DES with Less Than 242 Complexity

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Paper by Eli Biham, Stav Perle presented at Fast Software Encryption Conference 2019 See https://iacr.org/cryptodb/data/paper....

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Conditional Linear Cryptanalysis – Cryptanalysis of DES with Less Than 242 Complexity

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1,125Views

2019Sep 29

Paper by Eli Biham, Stav Perle presented at Fast Software Encryption Conference 2019 See https://iacr.org/cryptodb/data/paper....

Cryptanalytic Techniques

0:00

DES - Example of a Block Cipher

0:35

The F Function of DES

1:10

The Best Non-Trivial Approximation of S5

1:46

Transcript

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IACR

9.82K subscribers

Conditional Linear Cryptanalysis – Cryptanalysis of DES with Less Than 242 Complexity

License

Chapters View all

Cryptanalytic Techniques

Cryptanalytic Techniques

Cryptanalytic Techniques

DES - Example of a Block Cipher

DES - Example of a Block Cipher

DES - Example of a Block Cipher

The F Function of DES

The F Function of DES

The F Function of DES

The Best Non-Trivial Approximation of S5

The Best Non-Trivial Approximation of S5

The Best Non-Trivial Approximation of S5

Linear Approximations

Linear Approximations

Linear Approximations

Algorithm 1

Algorithm 1

Algorithm 1

Matsui's Best Approximation (14 rounds)

Matsui's Best Approximation (14 rounds)

Matsui's Best Approximation (14 rounds)

A Case of Single Round

A Case of Single Round

A Case of Single Round

IACR

License

Conditional Linear Cryptanalysis – Cryptanalysis of DES with Less Than 242 Complexity

Chapters

Cryptanalytic Techniques

Cryptanalytic Techniques

Cryptanalytic Techniques

DES - Example of a Block Cipher

DES - Example of a Block Cipher

DES - Example of a Block Cipher

The F Function of DES

The F Function of DES

The F Function of DES

The Best Non-Trivial Approximation of S5

The Best Non-Trivial Approximation of S5

The Best Non-Trivial Approximation of S5

Linear Approximations

Linear Approximations

Linear Approximations

Algorithm 1

Algorithm 1

Algorithm 1

Matsui's Best Approximation (14 rounds)

Matsui's Best Approximation (14 rounds)

Matsui's Best Approximation (14 rounds)

A Case of Single Round

A Case of Single Round

A Case of Single Round

A Four-Round Example

A Four-Round Example

A Four-Round Example

Conditional Linear Cryptanalysis of the Full DES

Conditional Linear Cryptanalysis of the Full DES

Conditional Linear Cryptanalysis of the Full DES

Success Probability by Complexity (#Ps&Time)

Success Probability by Complexity (#Ps&Time)

Success Probability by Complexity (#Ps&Time)

Summary

Summary

Summary

Description

Chapters View all

Cryptanalytic Techniques

Cryptanalytic Techniques

Cryptanalytic Techniques

DES - Example of a Block Cipher

DES - Example of a Block Cipher

DES - Example of a Block Cipher

The F Function of DES

The F Function of DES

The F Function of DES

The Best Non-Trivial Approximation of S5

The Best Non-Trivial Approximation of S5

Chapters

Chapters