'Linear cryptanalysis' diaporamas de présentation

Chapter 3

Chapter 3. Block Ciphers and the Advanced Encryption Standard. Outline. 3.1 Introduction 3.2 Substitution-Permutation Networks 3.3 Linear cryptanalysis 3.4 Differential cryptanalysis 3.5 The Data Encryption Standard 3.6 The Advanced Encryption Standard 3.7 Modes of Operation.

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Chapter 3

Chapter 3. Block Ciphers and the Advanced Encryption Standard. Outline. 3.1 Introduction 3.2 Substitution-Permutation Networks 3.3 Linear cryptanalysis 3.4 Differential cryptanalysis 3.5 The Data Encryption Standard 3.6 The Advanced Encryption Standard 3.7 Modes of Operation.

599 views • 46 slides

Chapter 3

Chapter 3. Block Ciphers and the Advanced Encryption Standard. Outline. 3.1 Introduction 3.2 Substitution-Permutation Networks 3.3 Linear cryptanalysis 3.4 Differential cryptanalysis 3.5 The Data Encryption Standard 3.6 The Advanced Encryption Standard 3.7 Modes of Operation.

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KATAN & KTANTAN A Family of Small and Efficient Hardware-Oriented Block Ciphers

559 views • 41 slides

Differential Cryptanalysis

Differential Cryptanalysis. DC(Differential Cryptanalysis). Introduction Biham and Shamir : CR90, CR92 Efficient than Key Exhaustive Search Chosen Plaintext Attack O(Breaking DES 16 ) ~ 2 47 Utilize the probabilistic distribution between input XOR and output XOR values Iteratively

1.23k views • 38 slides

Differential Cryptanalysis

Differential Cryptanalysis. DC(Differential Cryptanalysis). Introduction Biham and Shamir : CR90, CR92 Efficient than Key Exhaustive Search Chosen Plaintext Attack O(Breaking DES 16 ) ~ 2 47 Utilize the probabilistic distribution between input XOR and output XOR values Iteratively

590 views • 38 slides

Differential Cryptanalysis

Differential Cryptanalysis. DC(Differential Cryptanalysis). Introduction Biham and Shamir : CR90, CR92 Efficient than Key Exhaustive Search Chosen Plaintext Attack O(Breaking DES 16 ) ~ 2 47 Utilize the probabilistic distribution between input XOR and output XOR values Iteratively

430 views • 38 slides

CS548_ ADVANCED INFORMATION SECURITY

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CS548_ ADVANCED INFORMATION SECURITY

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Cryptography: Helping Number Theorists Bring Home the Bacon Since 1977

Cryptography: Helping Number Theorists Bring Home the Bacon Since 1977. Dan Shumow SDE Windows Core Security dshumow@microsoft.com. Outline. Introduction Symmetric Key Encryption Key Distribution: Diffie-Hellman Key Generation Elliptic Curve Cryptography. Introduction.

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128-bit Block Cipher Camellia

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Lect. 10 : Cryptanalysis

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Example of linear cryptanalysis

Example of linear cryptanalysis. We shall apply linear cryptanalysis against a block cipher based only on applying a fixed permutation to each block and XOR of each block with a fixed binary array. Suppose the following known plaintext blocks 0000 1000 1100 0110 1111

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