Thoughts About New Directions in Cryptography《密码学的新方向》读后感在1949年之前的几千年密码学还没有成为一门真正的科学而是一门艺术密码学专家常常是凭自己的直觉和信念来进行密码设计直到1949年美国数学家信息论的创始人 Shannon Claude Elwood 发表了《保密系统的信息理论》一文它标志着密码学阶段的开始随着远程通信的发展特别是计算机网
Cryptography in
AYou are in the Tourist Office, in High AvenueAsk about facilities: Is there a post-office near here Are there any banks in the townAsk for directions:Where′s the …How can I get to …Can you tell me
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William Somerset Maugham was born in the British Embassy in Paris on 25th January 1874.?During the First World war Maughams best-known novel Of Human Bondage (1915) was published.?This was followed by
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3 . s 《祝福》讀後感初三級 雷苑瑩最近我讀了魯迅的一本作品《祝福》這篇小說通過記敘祥林嫂不幸的遭遇反映當時封建社會所奉行的吃人禮教看了這篇小說我實在是感觸良多「祝福」是一個喜慶的日子眾
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