A software program using the C language, aptly named the "Password Resilience Analyzer". This program is tasked with assessing the strength of a password, bearing in mind a set of predetermined rules and guidelines in README.
Implement a user-friendly main menu interface to navigate through the program.
- Display a clear and intuitive main interface.
- Handle user input for option selections accurately.
- Provide accurate responses for each selection.
Options:
- Test a New Password: Allows users to input a password for strength analysis.
- View Strength of the Last Tested Password: Displays the strength rating (Weak, Moderate, Strong) of the previously tested password.
- Exit: Closes the program.
Prompt the user to input a password and store it for analysis.
- Prompt the user to enter a password for testing.
- Utilize an array (string in C) to store the entered password.
- Display an error message if the entered password is less than 8 characters and prompt the user to re-enter a longer password.
Evaluate the password based on various criteria.
- Check for the presence of lowercase letters.
- Check for the presence of uppercase letters.
- Check for numerical digits.
- Check for special characters such as !@#$%^&*().
- Award a score for lengthy passwords (12+ characters).
Create dedicated functions for each criterion:
hasLowercase(): Does the password contain lowercase letters?hasUppercase(): Does the password have uppercase letters?hasDigit(): Does the password contain numbers?hasSpecialChar(): Are there special characters in the password?evaluateStrength(): Based on the previous checks, what's the total strength score of the password?
Compute the total strength of the password as a score, ranging from 0 (weakest) to 5 (strongest).
- Add a point to the score for each met strength criterion.
Categorize the password based on the computed score:
- 0-2 points: "Weak"
- 3-4 points: "Moderate"
- 5 points: "Strong"
Display the strength category to the user after analysis.