# File lib/net/ntlm_http.rb, line 151
      def ntlmv2_hash(user, password, target, opt={})
        ntlmhash = ntlm_hash(password, opt)
        userdomain = (user + target).upcase
        unless opt[:unicode]
          userdomain = encode_utf16le(userdomain)
        end
        OpenSSL::HMAC.digest(OpenSSL::Digest::MD5.new, ntlmhash, userdomain)
      end