One Shall Pass for Command-line Install The preferred method of installation is via RubyGems.org: https://rubygems.org/gems/osp gem install osp or via Gemfile: gem 'osp', '~>0.6' Project Links Usage Video Blog Post about OSP OSP Gem Weblinks maxtaco/oneshallpass Ruby OpenSSL HMAC Ruby OpenSSL PKCS5 Ruby AES Encryption using OpenSSL