PassGen

A simple, secure command-line password generator written in Go using the Cobra library.

Features

• Generate passwords of customizable length (8-128 characters)
• Option to include letters, numbers, and special characters
• Secure random generation using crypto/rand
• Calculates and displays password entropy (in verbose mode)
• Easy-to-use command-line interface

Installation

1. Ensure you have Go installed on your system (version 1.11 or later recommended).
2. Clone this repository:

git clone https://github.com/KennyMwendwaX/PassGen.git

3. Navigate to the project directory:

cd PassGen

4. Build the project:

 cd PassGen

Usage

After building the project, you can run the password generator using:

./PassGen [flags]

Flags

• -l, --length int: Length of the password (default 16)
• -t, --letters: Include letters (default true)
• -n, --numbers: Include numbers (default true)
• -s, --specials: Include special characters
• -v, --verbose: Verbose output (displays password entropy)

Examples

1. Generate a password with default settings (16 characters, letters and numbers):

./PassGen

2. Generate a 20-character password including special characters:

./PassGen -l 20 -s

3. Generate a password and display its entropy:

./PassGen -v

Security

This password generator uses Go's crypto/rand package to ensure cryptographically secure random number generation. The generated passwords are suitable for most security purposes.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.