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WiFi network configuration

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What is the WiFi network configuration type of Helsinki, Finland?

 
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secret key technology

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Suppose Alice, Bob, and Carol want to use secret key technology to authenticate each other. If they all used the same secret key, K, then Bob could impersonate Carol to Alice (actually any of the three could impersonate the other to the third). Suppose instead that each had their own secret key; so Alice uses KA, Bob uses KB, and Carol uses KC. This means that each one, to prove his or her identity, responds to a challenge with a function of his or her secret key. Is this more secure than having them all use the same secret key? What does Alice need to know in order to verify Carol’s answer to Alice’s challenge?

 
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hacker

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Kelly has been asked to design a way to stop messages from being altered by a hacker. Kelly decides to attach to the messages a hash of the message. Why was the problem not solved?

 
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input output function

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I need help with some code that I am working on.

#include <iostream>//header file for input output function

#include<cstdlib>

using namespace std;//it tells the compiler to link std namesapce

int main()

{//main function

int input,first_die,sec_die,total,count=0;//variable declaration and assignment

const int LOW = 1;

const int HIGH = 6;

cout<<“Enter the number between 2 to 12 :”;

cin>>input;//key board inputting

if(input<2 || input>12)

{

cout<<“Please enter the number between 2 to 12″<<endl;

exit(0);

}

do{//do while lop

first_die = rand() % (HIGH – LOW + 1) + LOW;//rand function to get random values

sec_die = rand() % (HIGH – LOW + 1) + LOW;

cout<<“First die value”<<first_die<<endl;

cout<<“second die value”<<sec_die<<endl;

total=first_die+sec_die;//total of 1st die and sec die

cout<<“total=”<<total<<endl;

count++;

}while(total!=input);

cout<<“no of tries=”<<count<<endl;

return 0;  

}

I keep getting errors for undefined code.

 
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