'Differential cryptanalysis' diaporamas de présentation

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

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Cryptography and Network Security Chapter 3

531 views • 39 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

1.24k 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

592 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

432 views • 38 slides

David Evans cs.virginia/evans

Lecture 7: Using Block Ciphers. David Evans http://www.cs.virginia.edu/evans. Images from http://rfidanalysis.org/. CS588: Security and Privacy University of Virginia Computer Science. Menu. PS2 Modes of Operation Differential Cryptanalysis. Sorry, PS1 is not ready to return yet!

465 views • 33 slides

David Evans cs.virginia/evans

Lecture 7: Using Block Ciphers. David Evans http://www.cs.virginia.edu/evans. Images from http://rfidanalysis.org/. CS588: Security and Privacy University of Virginia Computer Science. Menu. PS2 Modes of Operation Differential Cryptanalysis. Sorry, PS1 is not ready to return yet!

335 views • 33 slides

FEAL

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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.

347 views • 28 slides

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.

339 views • 28 slides

Towards a unifying view of block cipher cryptanalysis

Towards a unifying view of block cipher cryptanalysis. David Wagner University of California, Berkeley. In this talk:. Survey of cryptanalysis of block ciphers Steps towards a unifying view of this field Algebraic attacks.

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Analysis and design of symmetric ciphers

282 views • 27 slides

Markov Ciphers and Differential Cryptanalysis

Markov Ciphers and Differential Cryptanalysis. 20103575 Jung Daejin 20103453 Lee Sangho. Contents. Differential Cryptanalysis (1). CPA by Biham & Shamir

423 views • 22 slides

Outline

Introduction to Cryptography CS 236 On-Line MS Program Networks and Systems Security Peter Reiher Spring, 2008. Outline. What is data encryption? Cryptanalysis Basic encryption methods Substitution ciphers Permutation ciphers. Introduction to Encryption.

210 views • 21 slides

Introduction to Symmetric Block Cipher

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Announcements: Quizzes returned at end of class This week:

DTTF/NB479: Dszquphsbqiz Day 14. Announcements: Quizzes returned at end of class This week: Mon-Thurs: Data Encryption Standard (DES) Today: Differential Cryptanalysis on EDEN HW 4 (assigned Thurs) is to implement DES Friday: Computer quiz on breaking ciphers in ch 2 Next week:

187 views • 8 slides