Damm32

A ruby implementation of the Damm checksum algorithm for 32-character-long alphabets

Installation

Install the gem and add to the application's Gemfile by executing:

$ bundle add damm32

If bundler is not being used to manage dependencies, install the gem by executing:

$ gem install damm32

Usage

Damm32.checksum("abc")
=> "g"

Damm32.add_checksum("abc")
=> "abcg"

Damm32.valid?("abcg")
=> true

Damm32.valid?("abc0")
=> false

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/delivereasynz/damm32.

License