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Figure 9.9 (p. 346) depicts the transmission of an electronic message incorporating public key cryptography, encryption, and digital signatures. Answer the following questions related to that figure: 1. Can anyone read the message? Why? 2. Can Sally be sure the message is from Harry? Why? 3. Is the digital signature message (containing the hash total calculated by Harry) secret? Why? 4. Could anyone other than Harry send the digital signature message? 5. How does Sally know that the message has not been corrupted in transit? 6. Which question, or questions, above are related to authenticity? 7. Which question, or questions, above are related to integrity? 8. Which question, or questions, above are related to confidentiality? FIGURE 9.9 Electronic Message Diagram to Accompany Short Problem 9-2

BuyFind

Accounting Information Systems

11th Edition
Ulric J. Gelinas + 3 others
Publisher: Cengage Learning
ISBN: 9781337552127
BuyFind

Accounting Information Systems

11th Edition
Ulric J. Gelinas + 3 others
Publisher: Cengage Learning
ISBN: 9781337552127

Solutions

Chapter
Section
Chapter 9, Problem 2SP
Textbook Problem

Figure 9.9 (p. 346) depicts the transmission of an electronic message incorporating public key cryptography, encryption, and digital signatures. Answer the following questions related to that figure:

1. Can anyone read the message? Why?

2. Can Sally be sure the message is from Harry? Why?

3. Is the digital signature message (containing the hash total calculated by Harry) secret? Why?

4. Could anyone other than Harry send the digital signature message?

5. How does Sally know that the message has not been corrupted in transit?

6. Which question, or questions, above are related to authenticity?

7. Which question, or questions, above are related to integrity?

8. Which question, or questions, above are related to confidentiality?

FIGURE 9.9 Electronic Message Diagram to Accompany Short Problem 9-2

Chapter 9, Problem 2SP, Figure 9.9 (p. 346) depicts the transmission of an electronic message incorporating public key

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Accounting Information Systems
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