mingchen/secure_random

Dart secure random string / number generator

secure_random

Secure random generator.

This class use cryptographically secure source of random numbers.

Install

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

dependencies:
  secure_random: ^1.0.0

Then install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter pub get

Usage

import 'package:secure_random/secure_random.dart';
    
var secureRandom = SecureRandom();
String s = secureRandom.nextString(length: 10);     // e.g. b4nc1evnip

You can also specific charset you want to use for random string.

import 'package:secure_random/secure_random.dart';

void main() {
  var secureRandom = SecureRandom();

  print(secureRandom.nextString(length: 10)); // e.g. 9FCjKnM4OW

  print(secureRandom.nextString(
      length: 10, charset: '0123456789')); // e.g. d8b08cbea6

  print(secureRandom.nextString(
      length: 10, charset: 'abcdefghijklmnopqrstuvwxyz')); // e.g. iqixgbjgfx

  print(secureRandom.nextString(
      length: 10, charset: '0123456789abcdef')); // e.g. d8b08cbea6

  print(secureRandom.nextString(
      length: 10,
      charset:
          'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')); // e.g. EUfpfiFEfv

  print(secureRandom.nextString(
      length: 10,
      charset:
          'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789~!@#\$%^&*()_+`')); // e.g. sUkf1(xM3Z
}

Test

Run test:

pub run test

License

MIT. see LICENSE.