McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Chapter 19 Data Encryption.

Slides:

Advertisements

Similar presentations

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Project Analysis and Evaluation Chapter Eleven.

Advertisements

TCP/IP Protocol Suite 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 29 Cryptography and Network.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Credit and Inventory Management Chapter Twenty-One.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Working with Financial Statements Chapter Three.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Financial Leverage and Capital Structure Policy Chapter Seventeen.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Raising Capital Chapter Sixteen.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Options and Corporate Finance Chapter Fourteen.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Introduction to Valuation: The Time Value of Money Chapter Five.

TCP/IP Protocol Suite 1 Chapter 28 Upon completion you will be able to: Security Differentiate between two categories of cryptography schemes Understand.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Net Present Value and Other Investment Criteria Chapter Nine.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Short-Term Finance and Planning Chapter Nineteen.

Figure 3-8 WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998 Network Layer Example.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Discounted Cash Flow Valuation Chapter Six.

McGraw-Hill©The McGraw-Hill Companies, Inc., Security PART VII.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Determining the Target Cash Balance Chapter Twenty A.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Long-Term Financial Planning and Growth Chapter Four.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Interest Rates and Bond Valuation Chapter Seven.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Risk Management: An Introduction to Financial Engineering Chapter Twenty- Three.

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 4 Image Slides.

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Option Valuation Chapter Twenty- Four.

Chapter 13: Electronic Commerce and Information Security Invitation to Computer Science, C++ Version, Fourth Edition SP09: Contains security section (13.4)

© 2003 The McGraw-Hill Companies, Inc. All rights reserved. Return, Risk, and the Security Market Line Chapter Thirteen.

© The McGraw-Hill Companies, Inc, 2011 Ganong’s Review of Medical Physiology, 24 th Edition.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 24 TCP/IP.

Network Security Chapter

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 2 Image Slides.

Chapter 8 Traffic-Analysis Techniques. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 8-1.

©Brooks/Cole, 2003 Chapter 16 Security. ©Brooks/Cole, 2003 Define four aspects of security in a network: privacy, authentication, integrity, and nonrepudiation.

3.1 SERVICES AND MECHANISMS SERVICES AND MECHANISMS The International Telecommunication Union- Telecommunication Standardization Section (ITU-T) provides.

Chapter 10 Data Link Control Line Discipline Flow Control Error Control WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998.

Chapter 3 OSI Model The model Functions of the layers WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998.

Chapter 2 OSI Model and TCP/IP

Chapter 22 Upper OSI Layers Session Layer Presentation Layer Application Layer WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 SUBNETTING.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 31 Next Generation: IPv6 and ICMPv6.

Day 18. Concepts Plaintext: the original message Ciphertext: the transformed message Encryption: transformation of plaintext into ciphertext Decryption:

McGraw-Hill©The McGraw-Hill Companies, Inc., 2004 Security PART VII.

Chapter 31 Cryptography And Network Security Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

30.1 Chapter 30 Cryptography Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Mark Dugopolski Elementary Algebra Edition 3 Chapter 7 Systems of Linear Equations and Inequalities Copyright © 2000 by the McGraw-Hill Companies, Inc.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 23 Upper OSI Layers.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 22 Transport Layer.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 21 Trivial File Transfer Protocol (TFTP)

McGraw-Hill©The McGraw-Hill Companies, Inc., 2004 Security.

Traditional Symmetric-Key Ciphers

‘Baby DES’ cipher Alexei Vernitski. Block cipher A message is a sequence of bits: … We split the message in blocks of a fixed length.

Chapter 17 Frame Relay Frame Relay Layers Frame Relay Operation Implementation WCB/McGraw-Hill  The McGraw-Hill Companies, Inc., 1998.

30.1 Chapter 30 Cryptography Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter Thirteen Channel Coding and Encryption.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2004 Chapter 30 Message Security, User Authentication, and Key Management.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 14 Network Security: Firewalls and VPNs.

© The McGraw-Hill Companies, Inc. Instructor name Class Title, Term/Semester, Year Institution Introductory Psychology Concepts Structures and Functions.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Chapter 29 Internet Security.

24-Nov-15Security Cryptography Cryptography is the science and art of transforming messages to make them secure and immune to attacks. It involves plaintext,

McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 17 X.25.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2004 Security PART VII.

CSC 386 – Computer Security Scott Heggen. Agenda Cryptography (i.e., Confusion and Diffusion)

The McGraw- McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Chapter 6 LAN Topologies.

© The McGraw-Hill Companies, Inc, 2011 Lecture Slides.

©Brooks/Cole, 2003 Chapter 16 Security. ©Brooks/Cole, 2003 Define four aspects of security in a network: privacy, authentication, integrity, and nonrepudiation.

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter Three Statics of Structures Reactions.

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 7.

McGraw-Hill/Irwin © 2003 The McGraw-Hill Companies, Inc., All Rights Reserved. Example 1-Ad A.

Security. Cryptography (1) Intruders and eavesdroppers in communication.

Chapter 13 Transportation Demand Analysis. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter Twelve Network Security.

3.1 Chapter 3 Traditional Symmetric-Key Ciphers Part2.

McGraw-Hill©The McGraw-Hill Companies, Inc., 2000 Subnetting/Supernetting and Classless Addressing.

PART VII Security.

Symmetric Encryption or conventional / private-key / single-key

Presentation transcript:

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Chapter 19 Data Encryption

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Figure 19-1 Concept of Encryption and Decryption

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Encryption/Decryption Methods Figure 19-2

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Monoalphabetic Substitution Figure 19-3

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Polyalphabetic Substitution Figure 19-4

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Transpositional Encryption Figure 19-

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Encoding/Decoding Figure 19-6

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Permutation Figure 19-7

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Substitution Figure 19-8

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Product Figure 19-9

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Exclusive OR Figure 19-10

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Rotation Figure 19-11

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 DES Figure 19-12

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Subkey Generation in DES Figure 19-13

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 One of the 16 Steps in DES Figure 19-14

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Public Key Encryption Figure 19-15

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 RSA Figure 19-16

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 RSA Encryption and Decryption Figure 19-17

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Security of RSA Figure 19-18

McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Signature Authentication Figure 19-19