Add this line to your application's Gemfile:

gem 'openssl-oaep'

And then execute:

$ bundle

Or install it yourself as:

$ gem install openssl-oaep

require 'openssl'
require 'openssl/oaep'

key = OpenSSL::PKey::RSA.new(1024)
text = 'text'
label = 'label'
md = OpenSSL::Digest::SHA256
cipher_text = key.public_encrypt_oaep(text, label, md)
raw_text = key.private_decrypt_oaep(cipher_text, label, md)

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 tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/terashi58/openssl-oaep.

The gem is available as open source under the terms of the MIT License.