Storing secure data with RubyMotion

credential_store.rb

class CredentialStore
  SERVICE = 'YOUR_APP_NAME'
  
  def set_secure_value(value, for_key: key)
    if value
      SSKeychain.setPassword(value, forService: SERVICE, account: key)
    else
      SSKeychain.deletePasswordForService(SERVICE, account: key)
    end
  end

  def secure_value_for_key(key)
    SSKeychain.passwordForService(SERVICE, account: key)
  end
end

Gemfile

source 'https://rubygems.org'

gem 'cocoapods',        '~> 0.23.0'
gem 'motion-cocoapods', '~> 1.3.6'

Rakefile

Motion::Project::App.setup do |app|
  ...
  
  # To access the keychain
  app.entitlements['keychain-access-groups'] = [ app.seed_id + '.' + app.identifier ]
  
  ...
  
  app.pods do
    pod 'SSKeychain', '~> 1.2.0'
  end
end