| http://www.w3.org/ns/prov#value | - (c) encrypted condition information produced by encrypting condition information using the type 2 key from a recording medium on which n (where n is an integer no less than two) sets of main data, an encrypted type 2 key, and encrypted condition information are recorded, the condition information being for use in judging as to whether usage of the main data is permitted and not used as an encrypti
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