A reproducing apparatus for reproducing data from a recording medium and supplying
the data to an external apparatus for recording of the data. The reproducing apparatus
has a plurality of authenticators for authenticating the external apparatus and
the reproducing apparatus selects an authenticator corresponding to a type of the
data reproduced from the recording medium and conducts authentication with the
external apparatus. After authentication is confirmed, the reproducing apparatus
sends the data to the external apparatus to record the data by the external apparatus.