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恺撒密码是古罗马恺撒大帝在营救西塞罗战役保护重要军情的加密系统(《高卢战记》),凯撒密码是历史上第一个密码技术。 1.请将短语“if you do not leave me i will by your side until the life end”使用凯撒密码加密,写出,字符之间不留空格。 ___________________________ 2.你能再对其进行简单改进吗?写出你的算法和。 ___________________________
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A.
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B.
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C.
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D.
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