'Cryptology' diaporamas de présentation

-OLOGY WORD FAMILY

-OLOGY WORD FAMILY. Many subjects that are studied in schools and colleges have - ology names, suffix - ology , "the science of" or "the study of.". Bacteriology bacteria. Cardiology heart. Cosmetology cosmetics. Criminology crime. Cryptology codes and cyphers. Dermatolgy skin.

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Cryptography is the science of using mathematics to encrypt and decrypt data.

Cryptography is the science of using mathematics to encrypt and decrypt data. Cryptography enables you to store sensitive information or transmit it across insecure networks (like the Internet) so that it cannot be read by anyone except the intended recipient. What is Cryptography?.

1.93k views • 120 slides

Cryptography (One Day Cryptography Tutorial)

Cryptography (One Day Cryptography Tutorial). By Dr. Mohsen M. Tantawy. Definitions. Definitions. Plaintext : easy to understand form (original message) Ciphertext : difficult to understand form Encryption : encoding (plaintext -> ciphertext)

1.23k views • 81 slides

Hyper computation

Hyper computation. Introduction & Philosophy. Preface. Jeroen Broekhuizen History before Hyper computing Christian Gilissen Introduction & philosophy of Hyper computing Maurice Samulski Hyper computing by examples. Alan Turing. Well known

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Dynamic Authenticated Index Structures for Outsourced Databases

Dynamic Authenticated Index Structures for Outsourced Databases. Feifei Li, Marios Hadjieleftheriou, George Kollios, Leonid Reyzin Boston University AT&T Labs-Research. Outsourced Database (ODB) Systems [HIM02]. Owner(s): publish database Servers: host database and provide query services

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Introduction to Information Security Lecture 1: Introduction & Overview

Introduction to Information Security Lecture 1: Introduction & Overview. 2009. 6. Prof. Kwangjo Kim. Contents . 1. Lecture Overview 2. Basic terms 3. Quick overview on information security 4. Basic Number Theory. Lecture Overview. Objective:

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Encryption - I

Encryption - I. Definitions. Plaintext: easy to understand form (original message) Ciphertext: difficult to understand form Encryption: encoding (plaintext -> ciphertext) Decryption: decoding (ciphertext -> plaintext) Cryptology: study of encryption Cryptography: use of encryption

875 views • 54 slides

Gary Golubski Joshua Justice Andrew Jarrett Sorabh Gupta Dan Gifford Donna Yoo

Academic Sector: Information Section George Washington University Idaho State University Purdue University University of California at Davis Naval Postgraduate School Gary Golubski Joshua Justice Andrew Jarrett Sorabh Gupta Dan Gifford Donna Yoo General Background

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CMPE 471

CMPE 471. BASIC ENCRYPTION AND DECRYPTION. TERMINOLOGY & BACKGROUND.

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Introduction to Cryptography

Introduction to Cryptography. --- Foundations of information security --- Lecture 7. Outline. Why study cryptology ? Basic terms, notations and structure of cryptography Private & public key cryptography examples Modern secret key ciphers : usage and methodology

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Finding Differential Patterns for the Wang Attack

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Practical Approaches to Secure Computation Between Multiple Parties

EIPSI Grand Opening 2008 TU Eindhoven / April 22, 2008. Practical Approaches to Secure Computation Between Multiple Parties. Berry Schoenmakers Coding & Crypto group Dept. Math & CS TU Eindhoven. Outline. What is secure multiparty computation?

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Security and Cryptography

Security and Cryptography. Security: all issues which make secure communication (information transmission, two (multiple) party interaction) over insecure channels . Cryptography: the science and art of manipulating messages to make them secure. Classical cryptographic techniques.

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Applications of Ramanujan Graphs in Cryptography

Applications of Ramanujan Graphs in Cryptography. Kristin Lauter Microsoft Research Cryptography Group IPAM Expander Graphs and Applications February 12, 2008. joint work. with Denis Charles and Eyal Goren: Cryptographic hash functions from expander graphs , Journal of Cryptology, 2007

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Information Security CS 526 Topic 2

Information Security CS 526 Topic 2. Cryptography: Terminology & Classic Ciphers. Readings for This Lecture. Required readings: Cryptography on Wikipedia Interesting reading The Code Book by Simon Singh. Goals of Cryptography.

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Game Theory and its Applications

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Authenticated Key Exchange

Authenticated Key Exchange. Definitions MAP matching conversations oracles (I)KA AKEP2 AKEP2 Security Session Keys Perfect Forward Secrecy Adversary Attacks. Presented By: Ashley Bruno & Blayne White. Key Establishment Protocols.

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Zero-Knowledge Proofs

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Network Security

Network Security. Section 1: Introduction to security. What is Security?. SIMPLE BUT HARD TO DO !. What is the biggest enemy for humans ? H U M A N S ! We need security until the people with bad minds exists! What is the best solution for security ? No high-tech hardware

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Chapter 17: Information Science Lesson Plan

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