secure_string 2.0.0

Secure string #

This is a cryptographically secure random string generator based on

Usage: #

Create an instance with new SecureString():

SecureString secureString = new SecureString();

Then generate random strings with it:

String randomString = secureString.generate(length: 512);

The length defaults to 1024 if no length is specified.

Custom character lists #

To specify a list of allowed characters, use the named parameter charList:

String randomBinaryString = secureString.generate(charList: ["0", "1"]);

The list defaults to hexadecimal characters (0-f).

Insecure string: #

To create insecure random strings: use new SecureString(string: false) instead of new SecureString(). You can also specify a seed using new SecureString(string: false, seed: 2) (replacing 2 with your seed).

Trivia: #

This library was made in spite of a library already existing due to two reasons:

  • That library did not have functionality for
  • That library was licensed under the BSD 3 clause license.

Use this package as a library

1. Depend on it

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

  secure_string: ^2.0.0

2. Install it

You can install packages from the command line:

with pub:

$ pub get

Alternatively, your editor might support pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:secure_string/secure_string.dart';
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The package version is not analyzed, because it does not support Dart 2. Until this is resolved, the package will receive a health and maintenance score of 0.

Analysis issues and suggestions

Support Dart 2 in pubspec.yaml.

The SDK constraint in pubspec.yaml doesn't allow the Dart 2.0.0 release. For information about upgrading it to be Dart 2 compatible, please see

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Make sure dartdoc successfully runs on your package's source files. (-10 points)

Dependencies were not resolved.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >1.24.0 <2.0.0