To get an official digital certificate signed by a recognized certificate authority, you need to generate a public-private key pair and use the public key to create a certificate request.

要获得由权威认证机构签名的官方数字证书，需要生成一个公开-私有密匙对并使用公开密匙生成证书请求。

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To get those keys, the device's manufacturer needs the help of the central authority, because only the central authority can do keygen to determine the device's private key.

设备制造商需要从HDCP授权机构那里获得这些密钥对，因为只有HDCP授权机构能够生成密钥。

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Registration authority (ra) authentication: the X.509 certificate of the ra and private key of the ra are used.

注册中心(registration authority, ra)认证：使用ra的X . 509证书和ra的私钥。

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Opponents of the controversial bill argued that it would give an unreasonable amount of power over the internet to private authority.

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Who on the public and private sector sides would have authority to approve military use of private sector networks?

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Some schools organise their own catering, while others contract the service in through private companies or the local authority.

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