'Key bits' diaporamas de présentation

Physical Security and Side-Channel Attacks

Physical Security and Side-Channel Attacks. Rice ELEC 528/ COMP 538 Farinaz Koushanfar Fall 2007. Outline. Introduction Hardware targets Attack classification Power attacks Timing attacks Electromagnetic attacks Fault injection attacks. Introduction.

1.4k views • 98 slides

GCSE Resistant Materials Revision Booklet

498 views • 47 slides

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

559 views • 45 slides

Block Cipher Transmission Modes

Block Cipher Transmission Modes. CSIS 5857: Encoding and Encryption. Transmitting Encrypted Data. Encrypted data transmitted one block at a time 64 or 128 bits Problems: A large message (such as a database) may consist of thousands of blocks Each encrypted with same key

455 views • 31 slides

Modeling Ad-hoc Rushing Attack in a Negligiblity -based Security Framework

Modeling Ad-hoc Rushing Attack in a Negligiblity -based Security Framework. Jiejun Kong , * Xiaoyan Hong, # Mario Gerla Scalable Network Technologies *Computer Science Department # Computer Science Department

484 views • 29 slides

Zhiyuan Tang , Zhongfa Liao, Feihu Xu, Bing Qi, Li Qian, and Hoi-Kwong Lo

Experimental Demonstration of Polarization Encoding Measurement-Device-Independent Quantum Key Distribution. arXiv: 1306.6134. Zhiyuan Tang , Zhongfa Liao, Feihu Xu, Bing Qi, Li Qian, and Hoi-Kwong Lo Centre of Quantum Information and Quantum Control

521 views • 27 slides

IMAGE-BASED AUTHENTICATION

IMAGE-BASED AUTHENTICATION . Richard E. Newman, Piyush Harsh, and Prashant Jayaraman . University of Florida. Human Authentication. What you are (biometric) What you have (token) What you know (password). Problems with Passwords. Meaningful Word of mouth transfer

957 views • 21 slides

Recovering Secret Keys from Weak Side Channel Traces of Differing Lengths

Recovering Secret Keys from Weak Side Channel Traces of Differing Lengths. Colin D. Walter Comodo CA, Bradford, UK Colin.Walter@comodo.com. Outline. Background & History A typical Randomised Exponentiation Algorithm. A metric to measure fitness of recoding guesses.

206 views • 20 slides

Differential & Linear Cryptanalysis

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Torturing OpenSSL

243 views • 15 slides

A New IP Lookup Cache for High Performance IP Routers

A New IP Lookup Cache for High Performance IP Routers. Author : Guangdeng Liao, Heeyeol Yu, Laxmi Bhuyan Publisher : DAC'10 Presenter : Jo-Ning Yu Date : 2010/10/06. Outline. Introduction Background and Related Work IP Lookup Schemes New IP Cache Architecture IP Cache Organization

363 views • 14 slides

An Optimal Attack on Cryptosystems Using Pre/Post Whitening Keys

An Optimal Attack on Cryptosystems Using Pre/Post Whitening Keys. Orr Dunkelman and Adi Shamir Computer Science Dept The Weizmann Institute Israel. Whitening Keys. A cheap way to increase the key size of block ciphers:. Key size in DES: 56 bits. DES. C. P. K. Whitening Keys.

250 views • 11 slides