加密密钥大小的范围。通常以位为单位,即以位的多少来对独特密钥进行计数。密钥的位越长,其密钥空间也就越大。例如: 当密钥长度为r时,密钥空间有2的r次方个 元素。
通过电视广播,每台设备都分配了一个密钥空间进行分析。
Over the airwaves, each appliance would be assigned a small piece of the keyspace to analyze.
该算法有加密速度快、易于计算机实现、密钥空间大等优点。
The advantages of this algorithm were, rapidity of encryption, carried out easily by computer, ampliative secret key space and so on.
而采用双精度实数作为系统初值密钥,其提供的密钥空间巨大。
Due to realizing in double-real precision, the algorithms are provided with big secret key space .
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