Hello all, I have a client with an older Rails 1.8 app (was recently upgraded from 1.6) and I need to integrate a php site into the same user login creds.

I'm not very versed with Ruby but I think this is the code that encrypts the password.

Code:
  
  # Encrypts some data with the salt.
  def self.encrypt(password, salt)
    Digest::SHA1.hexdigest("--#{salt}--#{password}--")
  end

  # Encrypts the password with the user salt
  def encrypt(password)
    self.class.encrypt(password, salt)
  end
So.... I have full db access so I have the encrypted passwords and their associated salts. And I need my php script to verify users. Is there as way for me to un-encrypt this password via php and the database that Ruby is using?

Thanks in advance for any guidance or assistance you may be able to provide.