According to the manual, there are two configuration options (i.e. things you put in your torrc):

• HidServAuth is what can be used on the client. It allows you to provide authentication cookies for hidden services as in HidServAuth <onion-address> <auth-cookie>.
• HiddenServiceAuthorizeClient is the server side companion.

Please refer to the manual for more details.

Who knows, it might even work.

According to the manual, there are two configuration options (i.e. things you put in your torrc):

• HidServAuth is what can be used on the client. It allows you to provide authentication cookies for hidden services as in HidServAuth <onion-address> <auth-cookie>.
• HiddenServiceAuthorizeClient is the server side companion.

Protocol-related information can be found in the rendezvous-specification at section 2.