系统采用了一种新的许可证密钥产生、分配和认证的方法，使内容许可证跟用户的机器指纹和用户的个人信息绑定。
In this system, a new way of constructing and validating license key is designed. It makes license file binding with user's machine fingerprint and user information.
系统采用了一种新的许可证密钥产生、分配和认证的方法，使内容许可证跟用户的机器指纹和用户的个人信息绑定。
In this system, a new way of constructing and validating license key is designed. It makes license file binding with user's machine fingerprint and user information.
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