Skip to content

Tutorials
Courses

DSA
Interview Questions on Array
Practice Array
MCQs on Array
Tutorial on Array
Types of Arrays
Array Operations
Subarrays, Subsequences, Subsets
Reverse Array
Static Vs Arrays
Array Vs Linked List
Array | Range Queries
Advantages & Disadvantages

Generating Strong Password using Python

Random password generator in C

Last Updated : 26 Dec, 2023

Comments

Improve

Suggest changes

Like Article

Like

Report

In this article, we will discuss how to generate a random password of a given length consists of any characters.

Approach:

The below-given program involves basic concepts like variables, data types, array, loop, etc.
Follow the below steps to solve this problem:
- Take the length of the password and declare a character array of that length to store that password.
- Declare character array of all the capital letters, small letters, numbers, special characters.
- Now according to the program below, respective if-else gets executed and a random password gets generated.

Below is the program of the above approach:

C

// C program for the above approach #include <math.h> #include <stdio.h> #include <stdlib.h> #include <time.h>  // Function to randomly generates password // of length N void randomPasswordGeneration(int N) {     // Initialize counter     int i = 0;      int randomizer = 0;      // Seed the random-number generator     // with current time so that the     // numbers will be different every time     srand((unsigned int)(time(NULL)));      // Array of numbers     char numbers[] = "0123456789";      // Array of small alphabets     char letter[] = "abcdefghijklmnoqprstuvwyzx";      // Array of capital alphabets     char LETTER[] = "ABCDEFGHIJKLMNOQPRSTUYWVZX";      // Array of all the special symbols     char symbols[] = "!@#$^&*?";      // Stores the random password     char password[N];      // To select the randomizer     // inside the loop     randomizer = rand() % 4;      // Iterate over the range [0, N]     for (i = 0; i < N; i++) {          if (randomizer == 1) {             password[i] = numbers[rand() % 10];             randomizer = rand() % 4;             printf("%c", password[i]);         }         else if (randomizer == 2) {             password[i] = symbols[rand() % 8];             randomizer = rand() % 4;             printf("%c", password[i]);         }         else if (randomizer == 3) {             password[i] = LETTER[rand() % 26];             randomizer = rand() % 4;             printf("%c", password[i]);         }         else {             password[i] = letter[rand() % 26];             randomizer = rand() % 4;             printf("%c", password[i]);         }     } }  // Driver Code int main() {     // Length of the password to     // be generated     int N = 10;      // Function Call     randomPasswordGeneration(N);      return 0; }

Output:

  51WAZMT?Z$

Time Complexity: O(N) Auxiliary Space: O(26)

Take control of your online security today by using GeeksforGeeks Random Password Generator, a reliable tool that makes creating strong passwords a breeze.

Generating Strong Password using Python

I

imsushant12

Improve

Article Tags :

Strings
Technical Scripter
DSA
Arrays
Technical Scripter 2020
cpp-random

Practice Tags :

Arrays
Strings

Similar Reads

Strong Random Password Generator Online

This Strong Random Password Generator offers an invaluable understanding of the significance of strong passwords and provides strong Passwords with the power of a reliable password generator tool. This tool Allows users to define password length, and character types (uppercase, lowercase, numbers, s

Tips For Choosing a Strong Password

Forgot your password?... Letâ€™s reset with the whole concept. So what is your Password? PassWord PassssWord1 Paasword9876â€¦ or Names of favorite sports personalities, celebs, and even brands are used as passwords by so many people. And then random posts, messages, and comments from your account, getti

5 Most Popular Methods Used By Hackers To Crack Password

In today's world, almost ÐµvÐµryonÐµ has bank accounts, Ðµmail and social mÐµdia accounts that rÐµquirÐµ passwords to accÐµss. HowÐµvÐµr, many pÐµoplÐµ ÐµithÐµr storÐµ thÐµir passwords on thÐµ dÐµvicÐµ or choosÐµ wÐµak passwords that can bÐµ Ðµasily guÐµssÐµd. HackÐµrs arÐµ always trying to stÐµal passwords that give thÐµm acce

How to Remove Windows 10 Password?

Looking to remove your Windows 10 password for a faster login experience? Whether you want to disable the password on Windows 10 or simply streamline the login process, this guide will walk you through the steps to turn off the Windows 10 login password. By following these easy steps, you'll learn h

How to Recover an Apple ID Password?

Forgetting your Apple ID password can be a frustrating experience for users, especially considering how integral the Apple ID is to accessing various services like iCloud, the App Store, and Apple Music. Fortunately, recovering your Apple ID password is a straightforward process. This article will w

How to Change Computer Password?

There are only a few people who don't use passwords on their Computer. User password is the most basic security check that helps you restrict unauthorized access to your computer. It's a good practice to change your passwords in a short span that helps your password to be healthy. By the end of this

Random password generator in C

In this article, we will discuss how to generate a random password of a given length consists of any characters. Approach: The below-given program involves basic concepts like variables, data types, array, loop, etc.Follow the below steps to solve this problem:Take the length of the password and dec

Generating Strong Password using Python

Having a weak password is not good for a system that demands high confidentiality and security of user credentials. It turns out that people find it difficult to make up a strong password that is strong enough to prevent unauthorized users from memorizing it. This article uses a mixture of numbers,

Create a Password Strength Checker using HTML CSS JS

This project aims to create a password strength checker using HTML, CSS, and JavaScript that is going to be responsible for checking the strength of a password for the user's understanding of their password strength by considering the length of the password which will be that the password should con

Program to check Strength of Password

A password is said to be strong if it satisfies the following criteria: It contains at least one lowercase English character.It contains at least one uppercase English character.It contains at least one special character. The special characters are: !@#$%^&*()-+Its length is at least 8.It contai

Python program to check the validity of a Password

In this program, we will be taking a password as a combination of alphanumeric characters along with special characters, and checking whether the password is valid or not with the help of a few conditions.Primary conditions for password validation:Minimum 8 characters.The alphabet must be between [a

Strong Password Suggester Program

Given a password entered by the user, check its strength and suggest some password if it is not strong. Criteria for strong password is as follows : A password is strong if it has : At least 8 characters At least one special char At least one number At least one upper and one lower case char. Exampl

Password Management in Cyber Security

Forgetting your WordPress password can be frustrating, but don't worryâ€”regaining access is easier than you might think. Whether you have access to your email or not, weâ€™ve covered you with two straightforward methods to reset your password and get back into your WordPress site. According to recent s

Corporate & Communications Address:

A-143, 7th Floor, Sovereign Corporate Tower, Sector- 136, Noida, Uttar Pradesh (201305)

Registered Address:

K 061, Tower K, Gulshan Vivante Apartment, Sector 137, Noida, Gautam Buddh Nagar, Uttar Pradesh, 201305

Advertise with us

Company
About Us
Legal
Privacy Policy
In Media
Contact Us
Advertise with us
GFG Corporate Solution
Placement Training Program

Languages
Python
Java
C++
PHP
GoLang
SQL
R Language
Android Tutorial
Tutorials Archive

DSA
Data Structures
Algorithms
DSA for Beginners
Basic DSA Problems
DSA Roadmap
Top 100 DSA Interview Problems
DSA Roadmap by Sandeep Jain
All Cheat Sheets

Data Science & ML
Data Science With Python
Data Science For Beginner
Machine Learning
ML Maths
Data Visualisation
Pandas
NumPy
NLP
Deep Learning

Web Technologies
HTML
CSS
JavaScript
TypeScript
ReactJS
NextJS
Bootstrap
Web Design

Python Tutorial
Python Programming Examples
Python Projects
Python Tkinter
Python Web Scraping
OpenCV Tutorial
Python Interview Question
Django

Computer Science
Operating Systems
Computer Network
Database Management System
Software Engineering
Digital Logic Design
Engineering Maths
Software Development
Software Testing

DevOps
Git
Linux
AWS
Docker
Kubernetes
Azure
GCP
DevOps Roadmap

System Design
High Level Design
Low Level Design
UML Diagrams
Interview Guide
Design Patterns
OOAD
System Design Bootcamp
Interview Questions

Inteview Preparation
Competitive Programming
Top DS or Algo for CP
Company-Wise Recruitment Process
Company-Wise Preparation
Aptitude Preparation
Puzzles

School Subjects
Mathematics
Physics
Chemistry
Biology
Social Science
English Grammar
Commerce
World GK

GeeksforGeeks Videos
DSA
Python
Java
C++
Web Development
Data Science
CS Subjects

@GeeksforGeeks, Sanchhaya Education Private Limited, All rights reserved

We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy

Improvement

Suggest Changes

Help us improve. Share your suggestions to enhance the article. Contribute your expertise and make a difference in the GeeksforGeeks portal.

geeksforgeeks-suggest-icon

Create Improvement

Enhance the article with your expertise. Contribute to the GeeksforGeeks community and help create better learning resources for all.

geeksforgeeks-improvement-icon

Suggest Changes

min 4 words, max Words Limit:1000

Thank You!

Your suggestions are valuable to us.

What kind of Experience do you want to share?

Interview Experiences

Admission Experiences

Career Journeys

Work Experiences

Campus Experiences

Competitive Exam Experiences