GnuPG Ruby on Rails Plugin
January 1st, 2007
I have another alpha-level plugin for you folks. This one has also saved me arse on many an occasion. Keep in mind, encryption/decryption setups on servers vary like the color of leaves in autumn. This particular plugin works on the paradigm of having a web-accessible public key that encrypts user data, and a temporarily available secret key that is used for decryption. Its entirely up to you to ensure that things are kept secure, but, as a result, the plugin is tiny!
./script/plugin install svn://ahgsoftware.com/gnupg/trunk |
Here’s a quick example, assuming you have a pub key—imported
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# We're using the same workdir for pub and sec, they could differ! workdir = File.join(RAILS_ROOT,"tmp","gnupg") passphrase = "uglydonkeys" # This is a darwin-ports on Mac OS X version of gpg gnupg = GnuPG.new :binary=>"/opt/local/bin/gpg", :workdir=>workdir, :homedir_pub=>workdir, :homedir_sec=>workdir, :recipient=>"your uid" plain_message = "no more mustachoed tyrants, muhwahwahwa, buhwahwahwa" encrypted_message = gnupg.encrypt(plain_message) # Load ascii sec key, from wherever you might have it gnupg.load_key File.read("sec_key.asc") decrypted_message = gnupg.decrypt(encrypted_message, passphrase) gnupg.drop_key puts plain_message puts encrypted_message puts decrypted_message |
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