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William Stallings, Cryptography and Network Security 3/e

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William Stallings, Cryptography and Network Security 3/e

CMSC 426/626 Notes Krishna M. Sivalingam UMBC [email protected] Based on: Cryptography and Network Security Third Edition by William Stallings Lecture slides by Lawrie Brown Key Management public-key encryption helps address key distribution problems have two aspects of this: distribution of ...

http://www.cisa.umbc.edu/courses/cmsc/426/fall06/Basics-of-Crypto-Notes.ppt

Date added: September 7, 2011 - Views: 166

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PowerPoint Presentation

The basic component of cryptography is a cryptosystem Cryptanalyst: Person working for unauthorized interceptor Cryptographer: Person working for legitimate sender or receiver Cryptology: Study of encryption and decryption, ...

http://enpub.fulton.asu.edu/iacdev/courses/CSE591i/Fall2006/files/lecture_notes/17.%20Cryptography%20and%20Steganography.ppt

Date added: February 10, 2012 - Views: 46

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Cryptography

Title: Cryptography Author: Chiara Surace Last modified by: Dziembowski Created Date: 2/19/2008 6:42:09 PM Document presentation format: On-screen Show

http://www.mimuw.edu.pl/~std/Dydaktyka/Critto2008/Lecture%201.ppt

Date added: August 3, 2013 - Views: 22

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Cryptography: Basic Concepts

Cryptography: Basic Concepts Plaintext: message text M to be protected Ciphertext: encrypted plaintext C Key: A secret shared by sender and recipient

http://vada.skku.ac.kr/ClassInfo/digital-com2000/slides/crypto.ppt

Date added: August 12, 2013 - Views: 5

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Governmental Cryptography and Key Management Policy

Title: Governmental Cryptography and Key Management Policy Author: Intel Last modified by: Berton Manning Created Date: 4/16/2005 1:55:35 AM Document presentation format

http://acqnotes.com/Attachments/Sample%20U.S.%20Government%20Cryptography%20and%20Key%20Management%20Methods%20and%20Policies.ppt

Date added: January 24, 2013 - Views: 16

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Some Aspects of Security in a Multiprogramming Environment

Basic cryptography Name usage and notation Digital signatures V. Process Communication VI. ... “If prevented from picking easy ones (passwords), they will forget them and start writing them down on sticky notes attached to their monitors ...” Been there.

http://ece.colorado.edu/~swengctf/swengmulti/presentations/ECEN5043Wk12Security.ppt

Date added: September 18, 2011 - Views: 34

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Security and Authentication (continued) - Computer Science - WPI

General Principles of Cryptography Basic Protocols Single-key cryptography Public-key cryptography A short intro to key distribution Cryptography as a Security Tool Broadest security tool available Fundamental foundation for secure storage and communication Basis for establishing trust Means ...

http://web.cs.wpi.edu/~cs4513/d07/LectureNotes/Week%206%20--%20Security%20and%20Authentication%20(continued).ppt

Date added: May 8, 2012 - Views: 16

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Adventures in Computer Security - Stanford University

Cryptography Overview John Mitchell Cryptography Is A tremendous tool The basis for many security mechanisms Is not The solution to all security problems Reliable unless implemented properly Reliable unless used improperly Basic Concepts in Cryptography Encryption scheme ...

http://crypto.stanford.edu/cs155old/cs155-spring03/lecture8.ppt

Date added: May 16, 2013 - Views: 18

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MIX NETWORKS - Information Systems and Internet Security

Lecture 1: Introduction CS 6903: Modern Cryptography Spring 2009 Nitesh Saxena Polytechnic Institute of NYU Announcement 1 CSE department is launching MS program in Cyber-Security Beginning Fall 2009 Details coming up shortly!!

http://isis.poly.edu/courses/cs6903-s09/Lectures/lecture1.ppt

Date added: June 12, 2012 - Views: 16

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Foundations of Cryptography Lecture 2

Foundations of Cryptography Lecture 1: Introduction, Identification, One-way functions Lecturer: Moni Naor Weizmann Institute of Science What is Cryptography?

http://www.wisdom.weizmann.ac.il/~naor/COURSE/fc0607_lect1.ppt

Date added: November 19, 2011 - Views: 22

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Encryption - University of Wisconsin–Madison

Times New Roman Symbol Default Design Encryption Encryption Encryption Basic Idea Cryptography Conventional Private Key Key Distribution Key Distribution Conventional Private Key Conventional Private Key Conventional Private Key Public Key Key Distribution Public Key Public Key Public Key ...

http://pages.cs.wisc.edu/~mattmcc/cs537/notes/Encryption.ppt

Date added: May 19, 2013 - Views: 3

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Introduction to Cryptography - M. E. Kabay Web Site

Basic Concepts & Terminology (2) Key: ... Watch as your instructor demonstrates the actions of PGP (commercial version 8.1)* and take notes on what you see and learn. ... Introduction to Cryptography Subject: CSH5 Chapter 7 Description:

http://www.mekabay.com/courses/academic/norwich/is340/is340_lectures/csh5_ch07_introduction_to_cryptography.pptx

Date added: May 14, 2012 - Views: 14

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PKI INtroduction

... Introduce cryptography Notes: Explain that cryptography is the basic electronic answer to the 4 security needs We’ll look at: Secret key Public key and 2 specialized uses of cryptography: Digital Certificates Digital Signature Activity: Introduce ...

http://intranet.powergridindia.com/pn/downloads/Presentations/PKI%20Presentation%20to%20PowerGrid.pps

Date added: August 10, 2013 - Views: 1

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Public Key Cryptography and PGP - Treachery

Public Key Cryptography & PGP Jay D. Dyson, Computer Systems Specialist "If you think cryptography can solve your problem, then you don't understand your problem and you don't understand cryptography."

http://www.treachery.net/articles_papers/tutorials/public_key_cryptography_and_pgp/pgp_public_key_crypto.ppt

Date added: September 18, 2011 - Views: 43

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Foundations of Cryptography Lecture 2

Theoretical Cryptography Lecture 1: Introduction, Standard Model of Cryptography, Identification, One-way functions Lecturer: Moni Naor Weizmann Institute of Science

http://www.wisdom.weizmann.ac.il/~naor/COURSE/foundations11_12_lec1.ppt

Date added: August 6, 2013 - Views: 6

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Security and Authentication - Worcester Polytechnic Institute

Security Policy Fun with Cryptography Fun with Cryptography What is cryptography about? General Principles of Cryptography Basic Protocols Single-key cryptography Public-key cryptography An example ...

http://web.cs.wpi.edu/~cs4513/d07/LectureNotes/Week%205%20--%20Security%20and%20Authentication.ppt

Date added: May 11, 2012 - Views: 37

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A Gentle Introduction to Cryptography - WCU Computer Science

A Gentle Introduction to Cryptography Extended quote from Bruce Schneier's book, Secrets and Lies. ... Extended Quote from Lecture Notes The two basic goals of a cryptographic algorithm are (a) to make life difficult for the attacker and (b) ...

http://www.cs.wcupa.edu/epstein/anonftp/csc301/PPTSlides/CryptoSlidesOne.ppt

Date added: September 18, 2011 - Views: 36

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Intro

Review of Computer Network fundamentals (first week) Basic cryptography, Network authentication Internet protocol vulnerabilities (TCP/IP, UDP, ICMP ... Presentation 5% Midterm 15% Final Exam 35% Independent Projects 15% All exams are closed lecture notes and closed books. NO make-up ...

http://www.ecs.csus.edu/csc/iac/csc296q/notes/254/1-0%20SecIntro_TCPIP_v2.ppt

Date added: August 2, 2013 - Views: 1

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Adventures in Computer Security - Stanford University

Cryptography Overview John Mitchell Cryptography Is A tremendous tool The basis for many security mechanisms Is not The solution to all security problems Reliable unless implemented properly Reliable unless used properly Something you should try to invent yourself unless you ...

http://crypto.stanford.edu/cs155old/cs155-spring05/06-crypto.ppt

Date added: August 2, 2013 - Views: 7

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An Introduction to Cryptography - University of Washington

Bit Commitment One-Way Functions Hashes come from two basic classes of one-way ... and Smart, Elliptic Curves in Cryptography, Cambridge Bressoud and Wagon ... CRC Press. Rhee, Cryptography and Secure Communications. Rivest, Class notes on Security and Crypto online. (web ...

http://courses.cs.washington.edu/courses/csep590/06wi/lectures/slides/Manferdelli_021406.ppt

Date added: September 20, 2013 - Views: 16

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PowerPoint Presentation

... Math Cryptographic Hashing Data Networks The Human Visual System/Human Auditory System Capabilities and limitations Basic ... Hiding is a branch of computer science that deals with concealing the existence of a message It is related to cryptography whose intent is to render ...

http://www.cs.utsa.edu/~jortiz/CS4953/Lecture%20Notes/L01-Introduction%20to%20Steganography.ppt

Date added: October 24, 2011 - Views: 188

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PowerPoint Presentation

* Summary Questions See Questions on Your knowledge About Cryptography’s slides in these class notes See ReadingQuestionCh3 ... Your knowledge about Cryptography Your knowledge about Cryptography Basic Terminology 1 Basic Terminology 2 Your knowledge about Cryptography Exhaustive search ...

http://castle.eiu.edu/a_illia/MIS4850/notes/MIS4850Class12.ppt

Date added: December 23, 2012 - Views: 7

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Real World Applications of Cryptography - USENIX

Opening of the USENIX Security Symposium focusing on Applications of Cryptography, ... The printed notes may not be reproduced. No other reproduction may be made ... A great reference for this stuff is “Basic Concepts in Information Theory and Coding” (subtitled “the Adventures of ...

http://static.usenix.org/events/lisa01/tech/rose/LISA2001.ppt

Date added: March 9, 2013 - Views: 5

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Chapter 11: Cipher Techniques - University of California, Davis

... deciphers it He sees EVIL Notes Digitally ... Message Handling System Design Principles Basic Design ... Self-Synchronous Stream Cipher Another Example Variant Block Ciphers Solutions Multiple Encryption Networks and Cryptography Link and End-to-End Protocols ...

http://nob.cs.ucdavis.edu/book/book-intro/slides/10.ppt

Date added: November 20, 2011 - Views: 42

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CHAPTER 2 NUMBER THEORY, NUMBER SYSTEM & COMPUTER ARITHMETIC ...

NUMBER THEORY, NUMBER SYSTEM & COMPUTER ARITHMETIC, CRYPTOGRAPHY BY MISS FARAH ADIBAH ADNAN IMK CHAPTER OUTLINE ... 2.1.3 MODULAR ARITHMETIC One of the most basic and useful in number theory is modular arithmetic, or known as congruence.

http://portal.unimap.edu.my:7778/portal/page/portal30/Lecturer%20Notes/IMK/Semester%201%20Sidang%20Akademik%2020112012/EQT%20221/CHAPTER%202.ppt

Date added: April 1, 2014 - Views: 2

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PowerPoint Presentation

... Prerequisite CS 370 Operating Systems Operating systems Windows, Linux Program installation, applications, commands Basic ... (or missing one) will be dropped Exams Closed books and notes Midterm: Mar. 12, Monday (review ... Internet Security Concepts Basic cryptography ...

http://aaronluman.com/school/cs445/lectures/CS445-1-1.ppt

Date added: March 23, 2014 - Views: 2

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Advanced Operating Systems, CSci555 - CCSS - Center for ...

Lecture notes Fall 2008 Dr ... “secret writing” TASOIINRNPSTO and TVCTUJUVUJPO Encryption used to scramble data The Basics of Cryptography Two basic types of cryptography TASONO PINSTIR Message broken up into units Units permuted in a seemingly random but reversible manner Difficult ...

http://ccss.usc.edu/530/fall08/lectures/usc-csci530-f08-l02.ppt

Date added: May 4, 2013 - Views: 11

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Chapter 1: Introduction - Portland State University

... Bob has no assurance that Alice sent message Simple fix uses Alice’s private key ks is desired session key Notes Can include message enciphered with ks ... Networks and Cryptography ISO/OSI model ... Message Handling System Design Principles Basic Design: Keys Basic Design ...

http://web.cecs.pdx.edu/~hook/cs491w07/cryptophase2.ppt

Date added: October 1, 2011 - Views: 36

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An Introduction to Cryptography - University of Washington

Title: An Introduction to Cryptography Author: John Manferdelli Last modified by: John L Manferdelli Created Date: 1/7/1999 11:01:52 PM Document presentation format

http://courses.cs.washington.edu/courses/csep590/06wi/lectures/slides/Manferdelli_011006.ppt

Date added: September 29, 2013 - Views: 32

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Introduction

COS 433: Cryptography Princeton University Fall 2007 Boaz Barak Two important quick notes: Slides will be on course web site Please stop me if you have questions!

http://www.cs.princeton.edu/courses/archive/fall07/cos433/Slides/lec1-intro.ppt

Date added: February 23, 2012 - Views: 10

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Classical Cryptography - University of Nebraska–Lincoln

Title: Classical Cryptography Author: Daniel Rasmussen Last modified by: Ying Lu Created Date: 4/1/2008 12:44:50 PM Document presentation format: On-screen Show (4:3)

http://cse.unl.edu/~ylu/csce855/notes/crypto_pres.ppt

Date added: May 13, 2013 - Views: 9

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Cisco Presentation Guide - Cisco Systems, Inc

... NOT based purely on Cisco Router applications or historic LAN protocol feature set bias Notes: * SSH is ... /SNASw Plus Telco Plus Telco Plus IPSec 3DES Enterprise Plus/H323 MCM Enterprise/SNASw Plus IPSec 3DES IP/H323 PLUS BASIC IP PLUS/H323 MCM IP/IPX/AT/ FW/IDS PLUS BASIC IP ...

http://www.cisco.com/application/vnd.ms-powerpoint/en/us/guest/products/ps5460/c1161/ccmigration_09186a00801d3482.ppt

Date added: October 14, 2011 - Views: 167

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PowerPoint Presentation

... with spot checks Returning to basic issue of ... READ EVENTS “Covert-free pair” Achievable “efficiently” with pairings-based cryptography (ECC) ... “Smart” refrigerator notes absence of milk; transfers order to Alice’s PDA/phone/portable server grocery list 2030: Week in ...

http://www.iacr.org/workshops/ches/ches2006/presentations/Ari%20Juels.ppt

Date added: May 7, 2012 - Views: 17

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Chapter 1: Introduction - PersianGIG

... or trivial to derive from one another Sometimes called symmetric cryptography Two basic types Transposition ciphers ... Classical Key Exchange Simple Protocol Problems Needham-Schroeder Public Key Key Exchange Problem and Solution Notes Man-in-the-Middle Attack Cryptographic Key ...

http://it-guilan-ac.persiangig.com/e-Commerce.Security/Introduction%20to%20Cryptography%20I.ppt

Date added: May 2, 2013 - Views: 12

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William Stallings, Cryptography and Network Security 5/e

Basic message processing is divided between a signing Administrative ... * The PGP documentation notes that “This whole business of protecting public keys from tampering is the single most difficult problem in ... Cryptography and Network Security 5/e Subject: Lecture Overheads

http://mercury.webster.edu/aleshunas/COSC%205130/ch18.ppt

Date added: January 22, 2013 - Views: 23

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SWE 781 / ISA 681 Secure Software Design & Programming

SWE 681 / ISA 681 Secure Software Design & Programming: Lecture 7: Cryptography Dr. David A. Wheeler 2014-05-31 PRNG failure example: iOS 7 early_random() Many Apple iOS vulnerability countermeasures depend on randomness that cannot be predicted by attacker Many randomness-gathering mechanisms ...

http://www.dwheeler.com/secure-class/presentations/Secure-Software-7-Cryptography.ppt

Date added: May 2, 2013 - Views: 24

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Hands-On Ethical Hacking and Network Security

All of the above Basic Terminology Basic Terminology (cont.) ... 5_Equity 6_Equity 7_Equity 8_Equity 9_Equity 10_Equity Microsoft Visio Drawing Cryptography Objectives Cryptography? Question Basic Terminology Basic Terminology (cont ...

http://www.eiu.edu/~a_illia/MIS4600EH/notes/MIS4600Notes13.ppt

Date added: September 11, 2013 - Views: 8

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Classical Cryptography - University of Nebraska–Lincoln

Using Public Keys Plaintext Ciphertext Decryption Encryption Plaintext Nonsense Public Key Cryptography in Practice The problem is that public key algorithms are too slow to encrypt large messages Instead ... the basic principles are the same as classical cryptography Modern Ciphers We ...

http://cse.unl.edu/~ylu/csce351/notes/crypto_pres.ppt

Date added: May 24, 2013 - Views: 5

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Advanced Operating Systems, CSci555

Lecture notes Fall 2011 ... + + The Basics of Cryptography Two basic types of cryptography TASONO PINSTIR Message broken up into units Units permuted in a seemingly random but reversible manner Difficult to make it easily reversible only by intended receiver Exhibits same first-order ...

http://ccss.usc.edu/530/fall11/lectures/usc-csci530-f11-part1.ppt

Date added: August 1, 2013 - Views: 21

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PowerPoint Presentation

Quantum Cryptography ... Basic Protocol Example Key Reconciliation Data is compared and errors eliminated by performing parity checks over the public channel Random string permutations are partitioned into blocks believed to contain 1 error or less A bisective search is performed on blocks ...

http://www.lix.polytechnique.fr/~catuscia/teaching/cg597/01Fall/lecture_notes/quantum_cryptography.ppt

Date added: September 9, 2013 - Views: 5

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Data Encryption - Metro Midrange Systems Association

... 357-1019 www.patownsend.com Notes: ... Understand their approach to encryption – does it meet basic criteria for strong encryption? ... extensive review by cryptography and data security specialists, and which meet certain accepted criteria.

http://www.metromidrange.org/PastMeetings/downloads/DataEncryption.ppt

Date added: October 10, 2011 - Views: 53

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Cryptography - UGM

Terminology Traditional Unix Security TCP Wrapper Cryptography Kerberos Terminology Authentication: identifying someone (or something) reliably. Proving you are who you say you are.

http://prastowo.staff.ugm.ac.id/kuliah/jaringan-komputer/notes/security/security.ppt

Date added: August 28, 2013 - Views: 3

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Digital Signal Processing Computing Algorithms: An Overview

... hash Encryption Integrity verification (tampering detection) => 3rd lecture notes http://www.ece.umd.edu ... cryptography: the study/application of ... Multimedia Data Hiding / Digital Watermarking General Framework Issues and Challenges Additive Embedding: Basic Ideas ...

http://www.ece.wisc.edu/~hu/ece738/notes/datahiding.ppt

Date added: May 18, 2013 - Views: 8

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Slide 1

* Basic of Symmetric Cryptography Classical Substitution Cipher Classical Transpositions Cipher Summary * A transposition is an encryption in which the letters of the message are re arranged.

http://csnotes.upm.edu.my/kelasmaya/pgkm20910.nsf/de8cc2082fc4d31b4825730e002bd111/32f43df6d7d8b1194825781b00058e4f/$FILE/_retimaqpi5l1kogajad4k6nqjb56kqhaka94k69id9t24akie41a4agq89p4l2la5bt0l6mad9l2l8ki98cml6pbd68mj4c1h60mj4c1h64_.ppt

Date added: March 15, 2012 - Views: 28

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Cryptography and Network Security 4/e - Al al-Bayt University

Title: Cryptography and Network Security 4/e Subject: Lecture Overheads Author: Dr Lawrie Brown Last modified by: netvista Created Date: 3/28/2002 2:06:54 AM

http://web2.aabu.edu.jo/tool/course_file/lec_notes/902480_ch02.ppt

Date added: May 12, 2012 - Views: 4

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CHAPTER 13 - Steganography and Watermarking

... one can say that cryptography is about protecting the ... In other words, stegotexts should be indistinguishable from covertexts. BASIC TYPES of STEGOSYSTEMS There are three basic types of ... Paper watermarks in bank notes or stamps inspired the first use of the term water ...

http://www.fi.muni.cz/usr/gruska/crypto04/CHAPTER%2013%20-%20Steganography%20and%20Watermarking.ppt

Date added: September 25, 2011 - Views: 131

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Cryptography and Network Security 4/e - Al al-Bayt University

... Cryptography & Cryptanalysis Symmetric Encryption or conventional / private-key / single-key sender and recipient share a common key all classical encryption algorithms are private-key was only type prior to invention of public-key in 1970’s and by far most widely used Some Basic ...

http://web2.aabu.edu.jo/tool/course_file/lec_notes/901480_ch02.ppt

Date added: May 27, 2013 - Views: 36

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Introduction - University of Pennsylvania

... gets Exploited in many famous attacks (read your Windows Service Pack notes) ... Ciphertext + Key Plaintext Basic Set-up of Cryptography Relationship between the plaintext and the ciphertext Encryption Algorithms Symmetric Encryption and decryption use the same key Key must be ...

http://www.cis.upenn.edu/~lee/03cse380/lectures/ln22-security-v3.ppt

Date added: May 2, 2013 - Views: 8

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Computer Security: Principles and Practice, 1/e

... (3DES), which involves repeating the basic DES algorithm three times, using either two or three unique keys, for a key size of 112 or 168 bits. Triple DES ... * Figure 2.7b shown here illustrates another mode of operation of public-key cryptography, ...

http://www.cs.uwp.edu/Classes/Cs478/notes/Encryption.ppt

Date added: September 6, 2012 - Views: 22

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Cryptography Fundamentals -- extract - M. E. Kabay

* Welcome Using PGP Basic Concepts & Terminology Types of Algorithm Cryptanalysis Methods Stronger Encryption Asymmetric ... Cryptography Fundamentals -- extract ... Arial Bookman Old Style Wingdings Garamond Times New Roman Arial Narrow IS 340 Class Notes 1_IS 340 Class Notes ...

http://www.mekabay.com/overviews/using_pgp.ppt

Date added: October 4, 2011 - Views: 12