To provide a contents receiver that allows a user to be able to use contents without the need for accessing a contents provider.

The contents receiver includes a memory means that stores encrypted contents, a storage means that receives and stores a utilization permission condition of the encrypted contents through a one-way network, an acquisition means that acquires the utilization permission condition stored in the storage means, a discrimination means that discriminates whether or not the acquired utilization permission condition is satisfied, and a utilization means including a decoding means that obtains a decoding key of the encrypted contents when the utilization permission condition is satisfied to decode the encrypted contents.