'128 bits' diaporamas de présentation

Cryptography: Block Ciphers

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The Fortuna PRNG

923 views • 53 slides

Security through Cryptography

535 views • 42 slides

Advance Encryption Standard

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Advance Encryption Standard

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Cryptography Basics

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Status of IPv6 Addresses and Address Management

Status of IPv6 Addresses and Address Management. Paul Wilson Director General APNIC. IPv6 Addressing Status Report. What is an IP address? How are IP addresses managed? How many addresses are there? Where are all the addresses? Conclusion. What is an IP address?.

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Cryptography CS 555

Cryptography CS 555. Topic 10: Block Cipher Security & AES. Outline and Readings. Outline Attacks against block ciphers Differential cryptanalysis Linear cryptanalysis Double & triple encryption AES Readings: Katz and Lindell: 5.4, 5.5, 5.6. Block Cipher Security. Two attack objectives

447 views • 26 slides

Cryptography CS 555

Cryptography CS 555. Topic 10: Block Cipher Security & AES. Outline and Readings. Outline Attacks against block ciphers Differential cryptanalysis Linear cryptanalysis Double & triple encryption AES Readings: Katz and Lindell: 5.4, 5.5, 5.6. Block Cipher Security. Two attack objectives

400 views • 26 slides

AES-based primitives LUX, Cheetah

AES-based primitives LUX, Cheetah. Alex Biryukov University of Luxembourg 2009. Contents. Design of Cheetah Design of LUX Speed vs Security discussion (see the last slide). Cheetah. 256-bit state 1024-bit message 16 Rijndael 256-bit rounds

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Algoritmo CAST

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CSC 474 Information Systems Security

CSC 474 Information Systems Security. Topic 2.3 Hash Functions. Hash Function. Also known as Message digest One-way transformation One-way function Hash Length of H ( m ) much shorter then length of m Usually fixed lengths: 128 or 160 bits. Message of arbitrary length.

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FPGA Encryption/Decryption Verification System Final Presentation

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Bluetooth Security

Ain Shams University Faculty of Engineering. Integrated Circuits Lab. Bluetooth Security. Presented by: Mohammed Abdelsattar Ismail Sameh Talal Magd-El-Din Sameh Assem Ibrahim Ahmed Abdelhamid Saleh. -Overview -Blocks used -Weakness -Authentication -E 1 algorithm -Key handling

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Agenda

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Lect. 8 : Advanced Encryption Standard

Lect. 8 : Advanced Encryption Standard. http://csrc.nist.gov/CryptoToolkit/aes/rijndael/. AES Contest. AES Contest Calendar 1997 : Call For AES Candidate Algorithms by NIST 128-bit Block cipher 128/192/256-bit keys Worldwide-royalty free More secure than Triple DES

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Block Ciphers

Block Ciphers. Cryptography Lecture 2: Chantilly Academy Poorvi Vora Department of Computer Science George Washington University. Most generally. A cipher is a substitution. For example, substitute one byte with another:. However.

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Digital Cinema System Specification V1.0

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Sistema Abierto (NO-WEP)

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