Object that contains the value of the date and time of the start of the key agreement protocol by the originator.

对象，该对象包含发信方开始密钥协议的日期和时间值。

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Property retrieves the date and time of the start of the key agreement protocol by the originator.

属性检索发信方开始密钥协议的日期和时间。

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In cryptography security, a method of applying additional security to a key utilizing the identities of both the originator, and also the ultimate recipient.

在密码安全学中，一种对密钥施加额外保护的方法，它利用了编码者与最终用户的一致性。

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