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在保密机中,密钥量的大小是衡量保密机质量的一个重要指标。正确估算密钥量,提高密钥量,是本文的研究目的。
In the security machine, the size of the key is a measure of the quality of the security machine is an important indicator. It is the research purpose of this article to correctly estimate the key quantity and increase the key quantity.