密码系统
密码系统的用法和样例:
例句
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密码一种密码系统,其中固定长度的明文里的单元,通常为字母,被任意倒置或按事先确定的符号系统替换
A cryptographic system in which units of plain text of regular length, usually letters, are arbitrarily transposed or substituted according to a predetermined code. -
加密员使用、研究或改进密码系统和密码书写的人
One who uses, studies, or develops cryptographic systems and writings.