module ActiveLdap::UserPassword

def smd5(password, salt=nil)
  if salt and salt.size < 4
    raise ArgumentError, _("salt size must be >= 4: %s") % salt.inspect
  end
  salt ||= Salt.generate(4)
  md5_hash_with_salt = "#{Digest::MD5.digest(password + salt)}#{salt}"
  "{SMD5}#{[md5_hash_with_salt].pack('m').gsub("\n", '')}"
end