class Devise::Encryptors::ClearanceSha1

Warning: it uses Devise’s stretches configuration to port the concept of REST_AUTH_DIGEST_STRETCHES
Warning: it uses Devise’s pepper to port the concept of REST_AUTH_SITE_KEY
Simulates Clearance’s default encryption mechanism.
= ClearanceSha1

def self.digest(password, stretches, salt, pepper)

incoming password.
Gererates a default password digest based on salt, pepper and the 
def self.digest(password, stretches, salt, pepper)
  Digest::SHA1.hexdigest("--#{salt}--#{password}--")
end