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Has Encrypted Attributes ===================================== Allows a model to store attributes encrypted in the database. It seamlessly encrypts/decrypts the data for use within the application. Set the key in the definition using :key => <key string> or by providing an association that contains the key. Using :except in the definition allows for unencrypted attributes in the mix. By default the _id of the association is excluded (ie: user_id), if needed and the usual created_at, updated_at, created_on, updated_on columns. Requires: Ruby compiled with OpenSSL turned on (and in turn with Blowfish turned on) Example ===================================== Inline key: class Secrets has_encrypted_attributes :key => 'THIS IS MY KEY TEXT' end Key residing on an association: class MoreSecrets has_encrypted_attributes :association => :user # looks for key in self.user.key end Key residing on an association (with a custom name for the key): class StillMoreSecrets has_encrypted_attributes :association => :user, :key_method => :salt # looks for key in self.user.salt end You can also encrypt only some of the model attributes: class MostSecrets has_encrypted_attributes :except => [:year, :count] # will not try to encrypt year and count attributes end Copyright (c) 2008, 2009 Shawn Veader & Jordi Bunster. Licensed under MIT's.