act_like_restful_authentication with authlogic v5

Question

I am updating a really old code base to v5 from v3. The old code is using act_like_restful_authentication and was not transited to a new crypto.

In v5, the act_like_restful_authentication and its transition was removed. How can I replicate the same behavior?

I tried something like:

acts_as_authentic do |c|
    Authlogic::CryptoProviders::Sha1.stretches = 1
    ::REST_AUTH_SITE_KEY = ''
    c.crypto_provider = Authlogic::CryptoProviders::Sha1
  end

But it does not seems to be enough. Any suggestions?