opscode/chef — pull request #1504 by zuazo (2014-06-18 08:42:44+00:00)
Title: [CHEF-5356-gcm] Encrypted data bags should use different HMAC key and include the IV in the HMAC

Alternative to the issue #1474, but using GCM instead of reinventing the wheel:

https://tickets.opscode.com/browse/CHEF-5356