gpassword 1.0.0

A powerful and secure password generation and validation Flutter package

GPassword

A powerful and secure password generation and validation Flutter package.

Features

• Generate secure passwords with customizable options
• Generate multiple passwords at once
• Password strength scoring (0-100)
• Password validation and security checks
• Pattern matching for passwords
• SHA-256 password encryption
• Customizable character sets (uppercase, lowercase, numbers, symbols)

Installation

Add this to your package's pubspec.yaml file:

dependencies:
  gpassword: ^1.0.0

Usage

Generate a Single Password

final gpassword = GPassword();

// Generate a default password (12 characters)
String password = gpassword.generate();

// Generate a custom password
String customPassword = gpassword.generate(
  passwordLength: 16,
  includeUppercase: true,
  includeLowercase: true,
  includeNumbers: true,
  includeSymbols: true,
);

Generate Multiple Passwords

// Generate a list of 5 default passwords
List<String> passwords = gpassword.generateList();

// Generate a list of custom passwords
List<String> customPasswords = gpassword.generateList(
  passwordLength: 16,
  count: 10,
  includeUppercase: true,
  includeLowercase: true,
  includeNumbers: true,
  includeSymbols: true,
);

Check Password Security

bool isSecure = gpassword.passwordIsSecure(password: "MyPassword123!");

Get Password Strength Score

int strength = gpassword.getPasswordStrength(password: "MyPassword123!");
// Returns a score from 0 to 100

Check Password Pattern

// Check if password matches a regular expression
bool matches = gpassword.matchesPattern(
  password: "MyPassword123!",
  pattern: r'^[A-Za-z0-9!@#$%^&*(),.?":{}|<>]{8,}$'
);

// Check if password contains a specific string
bool contains = gpassword.matchesPattern(
  password: "MyPassword123!",
  pattern: "Password"
);

Encrypt Password

String encrypted = gpassword.encryptPassword(password: "MyPassword123!");
// Returns SHA-256 hash of the password

Security Features

• Uses cryptographically secure random number generation
• Enforces minimum password requirements
• Provides password strength scoring
• Supports SHA-256 encryption
• Customizable character sets
• Pattern matching for additional validation

Contributing

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

License

This project is licensed under the MIT License - see the LICENSE file for details.