23密码分析 网络安全 NETWORK SECURITY Success in dealing with unknown ciphers is measured by these four things in the order named, perseverance,careful methods of analysis, intuition,luck.The ability at least to read the language of the original text is very desirable but not essential. ·Parker Hitt"军事密码破译指南’’ 的开场白 ·毅力、审慎的分析方法、直觉、运气 1919 2.3 密码分析 • Success in dealing with unknown ciphers is measured by these four things in the order named, perseverance, careful methods of analysis, intuition, luck. The ability at least to read the language of the original text is very desirable but not essential. ▪ Parker Hitt ‘‘ 军事密码破译指南’’ 的开场白 • 毅力、审慎的分析方法、直觉、运气