'128 bit' diaporamas de présentation

Introduction to Signcryption

November 22, 2004. Introduction to Signcryption. Public Key (PK) Cryptography. Discovering Public Key (PK) cryptography has made the communication between people, who have never met before over an open and insecure network in a secure and authenticated way, possible !.

577 views • 49 slides

Introduction to Signcryption

November 22, 2004. Introduction to Signcryption. Public Key (PK) Cryptography. Discovering Public Key (PK) cryptography has made the communication between people, who have never met before over an open and insecure network in a secure and authenticated way, possible !.

577 views • 49 slides

CprE / ComS 583 Reconfigurable Computing

592 views • 46 slides

Performance Issues Application Programmers View John Cownie HPC Benchmark Engineer

Performance Issues Application Programmers View John Cownie HPC Benchmark Engineer. Agenda. Running 64bit 32bit codes under AMD64 (Suse Linux) FPU and Memory performance issues OS and memory layout (1P, 2P, 4P) Spectrum of application needs memory cpu Benchmark examples STREAM, HPL

550 views • 44 slides

GSM Security Overview (Part 2)

GSM Security Overview (Part 2). Max Stepanov. Agenda. GSM Security Objectives Concerns, Goals, Requirements GSM Security Mechanisms SIM Anatomy Algorithms and Attacks COMP128 Partitioning Attack on COMP128 ( J. Rao, P. Rohantgi, H. Scherzer, S. Tunguely ). GSM Security Concerns.

558 views • 38 slides

Cryptography

Cryptography. Comes from the Greek words for secret and writing In reality, it is the art of mangling data into apparently something unintelligible and allowing for a secret method of unmangling.

629 views • 36 slides

Key Exhaustive Search (Brute Force Attack)

591 views • 29 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

346 views • 24 slides

Chapter 3, Part 2

Chapter 3, Part 2. AES. AES - History. 1997: NIST requests proposals for a new Advanced Encryption Standard (AES) to replace DES NIST required that the algorithm be: A symmetric-key cryptosystem A block cipher Capable of supporting a block size of 128 bits

362 views • 22 slides

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.

319 views • 21 slides

GSM network and its privacy

345 views • 18 slides

AES

AES. In Depth. NIST General Criteria for AES. A 128-bit symmetric block cipher. Key lengths of 128 bits, 192 bits, and 256 bits. No weak keys. Efficiency, both on the Intel Pentium Pro and other software and hardware platforms.

290 views • 15 slides

TX79: A MIPS-Compatible Synthesizable Core with Multimedia Vector Extensions

The TX79 Microprocessor core, from Toshiba's subsidiary ArTile Microsystems, is a processor engine designed for digital consumer electronics and networking applications. r r The high-performance MIPS based TX79 is the core of the EmotionEngine, a processor jointly developed by Toshiba and Sony Computer Entertainment for the PlayStation 2 computer entertainment system; and the Jolt SoC, an integrated circuit jointly developed by Toshiba and Pixelworks for internet-enabled media appliances.

155 views • 15 slides

IEEE 802.11 Security

IEEE 802.11 Security. Specifically WEP, WPA, and WPA2. Brett Boge, Presenter CS 450/650 University of Nevada, Reno. Introduction / History. IEEE 802.11 standard for wireless LAN (802.11-1997) Ratified September 1999 WEP included

310 views • 14 slides

Symmetric Cryptography

Symmetric Cryptography. AES in depth. Replacing DES .

194 views • 11 slides

Wireless Networking Concepts

Wireless Networking Concepts. By: Forrest Finkler Computer Science 484 Networking Concepts. Summary. What is a Wireless Network Methods of Securing Wireless Networks WEP (Wired Equivalent Privacy) WPA (Wi-Fi Protected Access) MAC (Media Access Control) Address Filtering

309 views • 9 slides

Deres Kifle Eshete University of Notre Dame April 6, 2004

171 views • 8 slides

What is SSL and Why it is Important for Secure your Website

SSL stands for Secure Sockets Layer, a protocol for managing secure interactions between a web browser and web server by encrypting the traffic. HTTPS is the more secure version of HTTP which tells the website to communicate using the SSL certificate. Clickhere: https://webcanny.com.au/ssl-important-secure-website

94 views • 8 slides

A Brief History of Computer Architectures

While everything else were 16 bit as well, we remember 16 applications mostly for the console games and the mass use of personal computers in large organisations.

83 views • 2 slides

South Carolina

A. A. B. B. D. C. C. Each performs 2 or 4-bit shifts. U1. U1. U2. U2. U3. OBMs. OBMs. FPGA. FPGA. D. E. E. F. F. The DARPA Data Transposition Benchmark on a Reconfigurable Computer. Sreesa Akella, Duncan A. Buell, Luis E. Cordova, and Jeff Hammes

136 views • 1 slides