Shoulder surfing Program Plan: Include required header file. Assign the actual pin. Declare array variable for random PIN numbers and user entered password. Declare variable for PIN number. Generate random digits for each password digit using “rand()” function. Display the sequence of “PIN” and “NUM” to screen using “for” loop. Read the five digits PIN number from user. Extract each digit into user entered password using operator “%” and “/”. Initializes the match status to “false”. Check the five digits of password. If the user entered password is not equal to the random PIN number of actual PIN, then assign the match status to “true”. If the match status is “false”, then display the message “Invalid password”. Otherwise, display the message “password matches correctly”.

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Chapter 7, Problem 19PP

Program Plan Intro

Shoulder surfing

Program Plan:

Include required header file.

Assign the actual pin.

Declare array variable for random PIN numbers and user entered password.

Declare variable for PIN number.

Generate random digits for each password digit using “rand()” function.

Display the sequence of “PIN” and “NUM” to screen using “for” loop.

Read the five digits PIN number from user.

Extract each digit into user entered password using operator “%” and “/”.

Initializes the match status to “false”.

Check the five digits of password.

If the user entered password is not equal to the random PIN number of actual PIN, then assign the match status to “true”.

If the match status is “false”, then display the message “Invalid password”.

Otherwise, display the message “password matches correctly”.

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