Key management includes key generation, key storage, key transmitting and key deletion etc.

密钥管理包括密钥生成、存储和检验、传送与删除等。

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A concrete hardware implement scheme is provided for transmitting and receiving adapter which are the key parts of the system.

对于系统的关键部件发送和接收适配卡，给出了具体的硬件实施方案。

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A trusted third party is employed to transfer trust, and an additional public key is used to set up the secure channel for transmitting the private key.

该方案使用一个可信第三方实现信任转移，增添一个用户公钥用于建立私钥传输的安全信道。

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Markets also play a key role as spaces for cultivating and transmitting the Mediterranean diet during the daily practice of exchange, agreement and mutual respect.

UNESCO: Mediterranean diet

As you can see in the screen shot below (from the Ars Technica article), you can provide links to your files (either containing the key so someone can access them directly or by providing them with the key separately) but you are prompted with a caution about not transmitting the keys through insecure channels and a far-reaching copyright warning.

FORBES: Kim Dotcom's New MEGA Encrypted Cloud Storage: See No Evil, Store No Evil