Starting Out With C++: Early Objects (10th Edition)
Starting Out With C++: Early Objects (10th Edition)
10th Edition
ISBN: 9780135235003
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Chapter 16, Problem 14RQE

Explanation of Solution

Function template:

In C++, a function template is referred as a “generic” function, which can work with different data types.

  • While writing a function template, a programmer can specify the “type parameter” instead of using the actual data type.
  • The compiler generates the code, when it encounters a function call to a function template. This code will handle the particular data type which is used in the function call.

Function template to reverse the array elements:

The following function template helps to reverse the order of the array elements by passing the first parameter as array and second parameter as size of array as follow as:

//include the required header files

#include<iostream>

#include<string>

using namespace std;

//Function template to reverse the array elements

template<class T>

void reverse(T arr[ ], int si...

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Compare the security services provided by a digital signature (DS) with those of a message authentication code (MAC). Assume that Oscar can observe all messages sent between Rina and Naseem. Oscar has no knowledge of any keys but the public one, in the case of DS. State whether DS and MAC protect against each attack and, if they do, how. The value auth(x) is computed with a DS or a MAC algorithm. In each scenario, assume the message M = x#####auth(x). (Message integrity) Rina has the textual data x = “Transfer $1000 to Mark” to send to Naseem. To ensure the integrity of the data, Rina generates auth(x), forms a message M, and then sends M in cleartext to Naseem. Oscar intercepts the message and replaces “Mark” with “Oscar.” Will Naseem detect this in the case of either DS or MAC? If yes, how will Naseem detect it? If not, why? (Replay) Rina has the textual data x = “Transfer $1000 to Mark” to send to Naseem. To ensure the integrity of the data, Rina generates auth(x), forms a message…

Chapter 16 Solutions

Starting Out With C++: Early Objects (10th Edition)

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