'Round key' presentation slideshows

Physical Security and Side-Channel Attacks

Physical Security and Side-Channel Attacks. Rice ELEC 528/ COMP 538 Farinaz Koushanfar Spring 2009. Outline. Introduction Hardware targets Attack classification Power attacks Timing attacks Electromagnetic attacks Fault injection attacks. Introduction.

1.24k views • 98 slides

Kris Gaj Electrical and Computer Engineering George Mason University

Kris Gaj Electrical and Computer Engineering George Mason University. Towards secure cryptographic transformations efficient in both software and hardware: A case for synergy among math, computing, and engineering. http://ece.gmu.edu/crypto-text.htm. Motivation.

1.14k views • 96 slides

SCSC 455 Computer Security

SCSC 455 Computer Security. Chapter 2 Symmetric Encryption and Message Confidentiality Dr. Frank Li. Index. Symmetric encryption principles Symmetric block encryption Random and pseudorandom numbers Stream ciphers and RC4 Cipher block modes of operation. Symmetric encryption principles.

1.3k views • 90 slides

Algorithms for cryptography- Education and learning perspective

Algorithms for cryptography- Education and learning perspective. P.V.Ananda Mohan Fellow IEEE ECIL, Bangalore. 14 th Dec 2007. Agenda. Introduction E-learning requirements Overview of Algorithms

1.03k views • 71 slides

Mapping the AES Algorithm to MorphoSys Architecture

Mapping the AES Algorithm to MorphoSys Architecture. Ye Tang Aug 2001. Overview. Part I: AES Algorithm Introduction Part II: Mapping to MorphoSys Part III: Performance Evaluation. Part I: AES Introduction. What Is AES?. A dvanced E ncryption S tandard

799 views • 68 slides

Introduction to Cryptography

1.1k views • 66 slides

Introduction

Introduction. ECE 424 / CS 463: Computer Security. Administrative Aspects. Course web page: http://www.crhc.uiuc.edu/~yihchun/424 Syllabus: Midterm date TBA. Please report any conflicts. Probably around 10/16 or later Project: Free-form, groups of 1-3 Make-up Classes.

730 views • 66 slides

Information Security: Cryptography (part 2)

Information Security: Cryptography (part 2). Dr. Shahriar Bijani Shahed University. Slides References. Matt Bishop, Computer Security: Art and Science , the author homepage, 2002-2004. Addam Schroll , Cryptography , Purdue university.

667 views • 50 slides

CSCE 715: Network Systems Security

566 views • 45 slides

A clear a replacement for DES was needed have theoretical attacks that can break it

578 views • 44 slides

Digital Encryption Standard

Digital Encryption Standard. CSIS 5857: Encoding and Encryption. History of DES. 1973: National Institute of Standards requests proposals for national symmetric key cryptosystem 1975: NIST accepts proposal from IBM as national Digital Encryption Standard Based on Feistel cipher 56-bit key

738 views • 44 slides

Lecture 2.3: Private Key Cryptography III

460 views • 37 slides

CS363

Week 3 - Wednesday. CS363. Last time. What did we talk about last time? DES Started AES. Questions?. Assignment 1. Project 1. Security Presentation. Omar Mustardo. AES. AES internals. AES keeps an internal state of 128 bits in a 4 x 4 table of bytes

461 views • 36 slides

AES Proposal : Rijndael

AES Proposal : Rijndael. Joan Daeman Vincent Rijmen. Outline. Introduction Rijndael Round Function Key Schedule Encryption & Decryption Rijndael on Modern Processors. Introduction. Advanced Encryption Standard (AES) A crypto algorithm for the twenty-first century

612 views • 29 slides

Cryptography and Network Security Chapter 5

560 views • 27 slides

Modern Block Ciphers

Modern Block Ciphers. CSIS 5857: Encoding and Encryption. Block Ciphers. Encrypting one bit at a time ineffective (only one possible substitution: 1 ? 0, 0 ? 1) Must map one block of plaintext bits to ciphertext Example: 11010010 ? 01101011 Key question: Good block size

471 views • 25 slides

RIJNDAEL

RIJNDAEL. Arta Doci University Of Colorado. Email: adoci@ouray.cudenver.edu. Topics Covered. Introduction Characteristics of Rijndael Algorithm and its building blocks Mathematics behind Rijndael Conclusion. Rijndael = Rij men & Dae men.

644 views • 23 slides

Chapter 5 Advanced Encryption Standard

352 views • 18 slides

CPSC 3730 Cryptography

CPSC 3730 Cryptography. Chapter 5 AES. Rijndael. data block of 4 columns of 4 bytes is state key is expanded to array of words has 9/11/13 rounds in which state undergoes: byte substitution (1 S-box used on every byte) shift rows (permute bytes between groups/columns)

289 views • 18 slides

ECE 545 Project 1 Specification Part II

ECE 545 Project 1 Specification Part II. Phase 2, due Thursday October 21 , noon. Draw a state diagram of the control unit that governs the operation of the encryption/decryption unit and the input/output interface.

204 views • 8 slides