unused bit meaning in Chinese

未用位

The ski is composed of the 160 - bit sha - 1 hash of the value of the public key excluding the tag , length , and number of unused bits
Ski由公钥值（不包括标记、长度和未使用位数）的160位sha - 1哈希组成。
The subject key identifier is composed of a 160 - bit sha - 1 hash of the encoded public key including the tag , length , and number of unused bits
主题密钥标识符( ski )由编码公钥（包括标记、长度和未使用位数）的160位sha - 1哈希组成。
The ski is composed of a four - bit type field with the value 0100 , followed by the least significant 60 bits of the sha - 1 hash of the value of the public key excluding the tag , length , and number of unused bit string bits
Ski由具有值0100的四位类型字段组成，后跟公钥值（不包括标记、长度和未使用字符串位数）的sha - 1哈希的60位最低有效位