Invention Grant
US08261360B2 Content distributing system with dynamic encryption keys 失效
具有动态加密密钥的内容分发系统

Content distributing system with dynamic encryption keys
Abstract:
A content distributing system for distributing content disclosed herein is an encrypting apparatus for encrypting each of objects constituting content using a different encryption key, a content offering apparatus for offering the encrypted content to a content reproducing apparatus; a license information offering apparatus for offering license information including information necessary for decrypting the encrypted content, and a content reproducing apparatus for acquiring the encrypted content from the content offering apparatus in order to decrypt and reproduce the acquired content using the license information acquired from the license offering apparatus.
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