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just olya [345]
3 years ago
5

In Secure Electronic Transaction, the purpose of Dual Signature is to link two messages that are intended for two different reci

pients. Discuss these two messages that are intended for two different recipients along with the need of linking. Also discuss if this purpose is fulfilled if we use KUc instead of KRc in the given model. Justify your answer with appropriate discussion.
Computers and Technology
1 answer:
Margaret [11]3 years ago
3 0

Answer:

The analysis of the question is summarized in the following explanation.

Explanation:

  • The dual signature would be intended as a connector for both signals, we can clearly distinguish between the transmit antennas by delivering each statement with such a separate signing, thus making the linkage of certain messages possible via the World wide web.
  • No violation of the records allows data easily accessible to a third party so we can improve the safety of 2 statements linking, because nobody can identify how the data have been authenticated as well as how the text could be decrypted to gather intelligence.

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GenaCL600 [577]

Explanation:

Professional service-based businesses are well suited for the Internet, because the primary services they provide are information-based. A housecleaning or lawn care service business is not suited well for the Internet because the delivery of those services requires the provider to be physically present.

7 0
2 years ago
2.36 LAB: Warm up: Variables, input, and casting (1) Prompt the user to input an integer, a double, a character, and a string, s
Westkost [7]

Answer:

The entire program is:

#include <iostream>

using namespace std;

  int main() {          

  int userInt;

  double userDouble;

  char userChar;

  string userString;  

  cout<<"Enter integer:"<<endl;

  cin>>userInt;  

  cout<<"Enter double:"<<endl;

  cin>>userDouble;  

  cout<<"Enter character:"<<endl;

  cin>>userChar;  

  cout<<"Enter string:"<<endl;

  cin>>userString;    

 cout<<userInt<<" "<<userDouble<<" "<<userChar<<" "<<userString<<endl;

 cout<<endl;  

   cout<<userInt<<" "<<userDouble<<" "<<userChar<<" "<<userString<<endl<<userString<<" "<<userChar<<" "<<userDouble<<" "<<userInt<<endl;  

cout<<endl;

cout<<userInt<<" "<<userDouble<<" "<<userChar<<" "<<userString<<endl<<userString<<" "<<userChar<<" "<<userDouble<<" "<<userInt<<endl<<userDouble<<" cast to an integer is "<<(int)userDouble;  

  return 0;  }

The program in C language:

#include <stdio.h>  

int main() {

  int userInt;  

  double userDouble;  

  char userChar;  

  char userString[50];

  printf("Enter integer: \n");  

  scanf("%d", &userInt);

  printf("Enter double: \n");  

  scanf("%lf", &userDouble);

  printf("Enter character: \n");  

  scanf(" %c", &userChar);  

  printf("Enter string: \n");  

  scanf("%s", userString);  

  printf("%d %lf %c %s\n", userInt, userDouble, userChar, userString);

  printf("\n");

  printf("%d %lf %c %s\n%s %c %lf %d \n", userInt, userDouble, userChar, userString, userString, userChar, userDouble, userInt);

  printf("\n");

  printf("%d %lf %c %s\n%s %c %lf %d\n%lf cast to an integer is %d \n", userInt, userDouble, userChar, userString, userString, userChar, userDouble, userInt, userDouble, (int)userDouble);  }

Explanation:

Lets do the program step by step:

1)  Prompt the user to input an integer, a double, a character, and a string, storing each into separate variables. Then, output those four values on a single line separated by a space:

Solution:

The program is:

#include <iostream>  //to use input output functions

using namespace std;  //to identify objects cin cout

  int main() {  //start of main method

  //declare an integer, a double, a character and a string variable  

  int userInt;  //int type variable to store integer

  double userDouble;  //double type variable to store double precision floating point number

  char userChar;  //char type variable to store character

  string userString;  //string type variable to store a string

  cout<<"Enter integer:"<<endl;  //prompts user to enter an integer

  cin>>userInt;  //reads the input integer and store it to userInt variable

  cout<<"Enter double:"<<endl;  //prompts user to enter a double type value

  cin>>userDouble;  //reads the input double value and store it to userDouble variable

  cout<<"Enter character:"<<endl;  //prompts user to enter a character

 cin>>userChar; //reads the input character and store it to userChar variable

  cout<<"Enter string:"<<endl;  //prompts user to enter a string

  cin>>userString; //reads the input string and store it to userString variable

   

cout<<userInt<<" "<<userDouble<<" "<<userChar<<" "<<userString<<endl; //output the values on a single line separated by space

So the output of the entire program is:

Enter integer:                                                                                                                                99                                                                                                                                            Enter double:                                                                                                                                 3.77                                                                                                                                          Enter character:                                                                                                                              z                                                                                                                                             Enter string:                                                                                                                                 Howdy                                                                                                                                         99 3.77 z Howdy

(2) Extend to also output in reverse.

Now the above code remains the same but add this output (cout) statement at the end:

  cout<<userString<<" "<<userChar<<" "<<userDouble<<" "<<userInt;

Now the output with the same values given as input is:

Enter integer:                                                                                                                                  99                                                                                                                                              Enter double:                                                                                                                                   3.77                                                                                                                                            Enter character:                                                                                                                                z                                                                                                                                               Enter string:                                                                                                                                   Howdy  

99 3.77 z Howdy                                                                                                                                     Howdy z 3.77 99

(3) Extend to cast the double to an integer, and output that integer.

The rest of the code remains the same but add the following output (cout) statement in the end:

cout<<userDouble<<" cast to an integer is "<<(int)userDouble;

Now the output with the same values given as input is:

Enter integer:                                                                                                                                  99                                                                                                                                              Enter double:                                                                                                                                   3.77                                                                                                                                            Enter character:                                                                                                                                z                                                                                                                                               Enter string:                                                                                                                                   Howdy                                                                                                                                           99 3.77 z Howdy                                                                                                                                 Howdy z 3.77 99                                                                                                                                 3.77 cast to an integer is 3  

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