class Devise::Encryptors::Sha512
def self.secure_digest(*tokens)
Generate a Sha512 digest joining args. Generated token is something like
def self.secure_digest(*tokens) ::Digest::SHA512.hexdigest('--' << tokens.flatten.join('--') << '--') end
def self.secure_digest(*tokens) ::Digest::SHA512.hexdigest('--' << tokens.flatten.join('--') << '--') end