IES implementation following ECIES-KEM specification in ISO 18033-2.

This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (https://www.openssl.org/).

Add this line to your application's Gemfile:

gem 'openssl-pkey-ec-ies'

And then execute:

$ bundle

Or install it yourself as:

$ gem install openssl-pkey-ec-ies

Prepare secret key using OpenSSL.

openssl ecparam -genkey -out ec_key.pem -name prime192v1

ec = OpenSSL::PKey::EC::IES.new(test_key, "placeholder")
source = 'my secret'
cryptogram = ec.public_encrypt(source)  # => cryptogram in string
result = ec.private_decrypt(cryptogram) # => 'my secret'

1. Fork it ( https://github.com/webpay/openssl-pkey-ec-ies/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request