Accounting Information Systems
Accounting Information Systems
11th Edition
ISBN: 9781337552127
Author: Ulric J. Gelinas, Richard B. Dull, Patrick Wheeler, Mary Callahan Hill
Publisher: Cengage Learning
Question
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Chapter 9, Problem 2SP

1)

Summary Introduction

To determine: Whether anyone can read the message.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

1)

Expert Solution
Check Mark

Answer to Problem 2SP

Hence, the answer is No.

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  1

Here,

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine whether anyone can read the message:

Not everyone can read the message. Only the person who has the private key of Person S can be able to open the message.

2)

Summary Introduction

To determine: Whether Person S can be sure that the message is from Person H.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

2)

Expert Solution
Check Mark

Answer to Problem 2SP

Hence, the answer is No.

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  2

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine whether Person S can be sure that the message is from Person H:

Anyone with the public key of Person S can be able to send the message

3)

Summary Introduction

To determine: Whether digital signature message is secret.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

3)

Expert Solution
Check Mark

Answer to Problem 2SP

Hence, the answer is No.

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  3

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine whether a digital signature message is secret:

Anyone with the public key of Person H can be able to open the digital signature message.

4)

Summary Introduction

To determine: Whether someone other than Person H can send the digital signature message.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

4)

Expert Solution
Check Mark

Answer to Problem 2SP

Hence, the answer is No.

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  4

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine whether someone other than Person H can send the digital signature message:

A person with the private key of Person H can be able to send the digital signature message.

5)

Summary Introduction

To determine: How Person S know that the message has not been corrupted in transit.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

5)

Expert Solution
Check Mark

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  5

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine how Person S know that the message has not been corrupted in transit:

If the hash total of digital signature equals the hash total that Person S calculated from the message then the message has not been corrupted in transit.

6)

Summary Introduction

To determine: The sub-part that is related to authenticity.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

6)

Expert Solution
Check Mark

Explanation of Solution

Determine the subpart that is related to authenticity:

Subpart (2) and Subpart (4) are about authenticity.

7)

Summary Introduction

To determine: The sub-part that is related to integrity.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

7)

Expert Solution
Check Mark

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  6

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine the subpart that is related to integrity:

Subpart (5) is about integrity.

8)

Summary Introduction

To determine: The sub-part that is related to confidentiality.

Introduction:

Accounting Information System (AIS) is said to be the specialized subsystem of the Information System (IS). AIS can be used in the business events for the purpose of collecting, processing, and reporting the financial information.

8)

Expert Solution
Check Mark

Explanation of Solution

Given diagram:

Accounting Information Systems, Chapter 9, Problem 2SP , additional homework tip  7

A refers the public key of Person H

B refers the private key of Person H

C refers the public key of Person S

D refers the private key of Person S

M refers the message

HT refers the hash total

DS refers the digital signature

Determine the subpart that is related to confidentiality:

Subpart (1) and Subpart (3) are about the confidentially.

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