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发明授权
CN107851447B 信息记录方法、内容重放装置及方法、内容记录装置及方法、记录介质 有权

信息记录方法、内容重放装置及方法、内容记录装置及方法、记录介质
摘要：
一种信息记录方法，是具备具有存储部(23)的第1装置(20)以及第2装置(10)的系统(1)中的信息记录方法。该信息记录方法包括：第1记录步骤，第1装置将可移动型记录介质(50)所固有的密钥信息记录到该可移动型记录介质，并且将密钥信息存储到存储部；第2记录步骤，第2装置使用记录于可移动型记录介质的密钥信息，对内容信息进行加密并将该内容信息记录到可移动型记录介质；以及重放步骤，第1装置使用存储部中存储的密钥信息，对记录于可移动型记录介质的内容信息进行解码并进行重放。
摘要（英）：

This information recording method is provided for a system (1) that includes a first device (20) having a storage unit (23), and a second device (10). The information recording method includes a first recording step in which the first device records encryption key information specific to a portable recording medium (50) into the portable recording medium while storing the encryption key information in a storage unit, a second recording step in which the second device uses the encryption key information recorded in the portable recording medium to encrypt content information and record the encrypted content information into the portable recording medium, and a reproduction step in which the first device decodes and reproduces the content information recorded in the portable recording medium using the encryption key information stored in the storage unit.

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