{"id":2461,"date":"2025-11-11T18:55:22","date_gmt":"2025-11-11T10:55:22","guid":{"rendered":"https:\/\/pjq.me\/?p=2461"},"modified":"2025-11-13T13:25:43","modified_gmt":"2025-11-13T05:25:43","slug":"%e5%af%86%e7%a0%81%e5%ad%a6cryptography%e7%ae%80%e5%8f%b2-%e5%8f%a4%e5%85%b8%e5%af%86%e7%a0%81%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/pjq.me\/?p=2461","title":{"rendered":"\u5bc6\u7801\u5b66(Cryptography)\u7b80\u53f2-\u53e4\u5178\u5bc6\u7801\u5b66"},"content":{"rendered":"\n<p>\u6700\u8fd1\u4e00\u76f4\u5728\u770b\u5bc6\u7801\u5b66\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u867d\u7136\u4e00\u5e74\u524d\u5df2\u7ecf\u770b\u8fc7\u4e86\uff0c\u4f46\u4e00\u6bb5\u65f6\u95f4\u6ca1\u7528\u4e86\uff0c\u5c31\u5bb9\u6613\u5fd8\u8bb0\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u60f3\u5728\u8fd9\u91cc\u5199\u4e00\u7bc7\u5bc6\u7801\u5b66\u7b80\u53f2\uff0c\u987a\u4fbf\u68b3\u7406\u4e00\u4e0b\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n\n\n\n<p>\u5bc6\u7801\u5b66\u5bf9\u666e\u901a\u4eba\u6765\u8bb2\uff0c\u770b\u8d77\u6765\u662f\u5f88\u9ad8\u6df1\u7684\uff0c\u4f46\u5b9e\u9645\u60c5\u51b5\u662f\u6bcf\u5929\u5927\u5bb6\u90fd\u8981\u7528\u5230\u5927\u91cf\u5bc6\u7801\u5b66\u7684\u7b97\u6cd5\u3002\u53ea\u8981\u4f60\u5728\u7528\u624b\u673a\u7535\u8111\u4e0a\u7f51\uff0c\u8d2d\u7269\uff0c\u804a\u5929\uff0c\u90a3\u5c31\u4e00\u5b9a\u4f1a\u6709\u5f88\u591a\u5bc6\u7801\u5b66\u76f8\u5173\u7684\u7b97\u6cd5\u5728\u540e\u9762\u9ed8\u9ed8\u5730\u5de5\u4f5c\u7740\uff0c\u8fd9\u4e9b\u5e55\u540e\u82f1\u96c4\u5728\u5077\u5077\u5730\u4fdd\u969c\u7740\u4f60\u5728\u6570\u5b57\u65f6\u4ee3\uff0c\u4f60\u7684\u9690\u79c1\u4e0d\u88ab\u7a83\u53d6\uff0c\u4f60\u7684\u804a\u5929\u8bb0\u5f55\u4e0d\u4f1a\u88ab\u4eba\u770b\u5230\uff0c\u4f60\u7684\u94f6\u884c\u5bc6\u7801\u4e0d\u4f1a\u88ab\u4eba\u6293\u5230\u3002<\/p>\n\n\n\n<p>\u6bcf\u6b21\u4f60\u5728App\u91cc\u9762\u53d1\u8d77\u4e00\u6b21\u8d2d\u7269\u8bf7\u6c42\uff0c\u5728\u804a\u5929App\u91cc\u9762\u53d1\u51fa\u201c\u4f60\u597d\u201d\uff0c\u540e\u53f0\u6709\u5927\u91cf\u7684\u52a0\u5bc6\u7b97\u6cd5\u5728\u9ed8\u9ed8\u5730\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u800c\u5728\u8fd9\u91cc\u6211\u60f3\u6162\u6162\u5730\u7ed9\u5927\u5bb6\u89e3\u91ca\u6e05\u695a\u8fd9\u540e\u9762\u6240\u53d1\u751f\u7684\u4e00\u5207\u3002<\/p>\n\n\n\n<p>\u5bc6\u7801\u5b66\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u628a\u4f60\u8bf4\u7684\u8bdd\uff0c\u53d1\u7684\u6d88\u606f\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u5c31\u7b97\u522b\u4eba\u770b\u5230\u8f6c\u6362\u4e4b\u540e\u7684\u5185\u5bb9\uff0c\u4e5f\u65e0\u6cd5\u770b\u5230\u4f60\u771f\u5b9e\u8bf4\u4e86\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u91cc\u4f60\u4f1a\u7b2c\u4e00\u6b21\u63a5\u89e6\u5230\u4e24\u4e2a\u6982\u5ff5<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u660e\u6587(PlainText)\uff1a\u5c31\u662f\u4f60\u771f\u5b9e\u8bf4\u7684\u8bdd\uff0c\u53d1\u7684\u6d88\u606f<\/li>\n\n\n\n<li>\u5bc6\u6587(CipherText)\uff1a\u5c31\u662f\u7ecf\u5e38\u5404\u79cd\u8f6c\u6362\u5185\u5bb9\uff0c\u522b\u4eba\u7b2c\u4e00\u6b21\u770b\u5230\u65f6\u4f1a\u4e00\u8138\u61f5\uff0c\u4e0d\u77e5\u9053\u5177\u4f53\u662f\u4ec0\u4e48<\/li>\n<\/ol>\n\n\n\n<p>\u5927\u9053\u81f3\u7b80\uff0c\u7b80\u5355\u7c97\u66b4\u3002<\/p>\n\n\n\n<p>\u4eba\u7c7b\u7684\u6587\u660e\u53f2\uff0c\u5176\u5b9e\u4e5f\u662f\u5bc6\u7801\u5b66\u7684\u6f14\u8fdb\u53f2\uff0c\u4eba\u7c7b\u4ece\u53e4\u81f3\u4eca\uff0c\u5176\u5b9e\u90fd\u662f\u4e00\u76f4\u5728\u8ffd\u6c42\u5982\u4f55\u5c06\u660e\u6587\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u53d8\u6210\u5bc6\u6587\uff0c\u800c\u4e0d\u88ab\u53d8\u4eba\u77e5\u6653\u771f\u5b9e\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u9b54\u9ad8\u4e00\u5c3a\uff0c\u9053\u9ad8\u4e00\u4e08\uff0c\u4f60\u8d8a\u662f\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u522b\u4eba\u5c31\u8d8a\u60f3\u77e5\u9053\uff0c\u7ecf\u8fc7\u51e0\u767e\u5e74\uff0c\u4e0a\u5343\u5e74\u7684\u8fed\u4ee3\u6f14\u8fdb\uff0c\u653b\u9632\u8f6c\u6362\uff0c\u6e10\u6e10\u5730\u5f62\u6210\u4e86\u5bc6\u7801\u5b66(Cryptography)\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/pjq.me\/?p=2461\/#%E5%AF%86%E7%A0%81%E5%AD%A6%E5%88%86%E7%B1%BB\" >\u5bc6\u7801\u5b66\u5206\u7c7b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/pjq.me\/?p=2461\/#%E5%8F%A4%E5%85%B8%E5%AF%86%E7%A0%81%E5%AD%A6Classic_Cryptography\" >\u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pjq.me\/?p=2461\/#%E5%87%AF%E6%92%92%E5%AF%86%E7%A0%81_Caesar_Cipher\" >\u51ef\u6492\u5bc6\u7801 (Caesar Cipher)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/pjq.me\/?p=2461\/#%E6%A0%85%E6%A0%8F%E5%AF%86%E7%A0%81Rail_Fence_Cipher\" >\u6805\u680f\u5bc6\u7801(Rail Fence Cipher)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/pjq.me\/?p=2461\/#Playfair_Cipher\" >Playfair Cipher<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/pjq.me\/?p=2461\/#%E6%81%A9%E5%B0%BC%E6%A0%BC%E7%8E%9B%E5%AF%86%E7%A0%81%E6%9C%BAEnigma_Machine\" >\u6069\u5c3c\u683c\u739b\u5bc6\u7801\u673a(Enigma Machine)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/pjq.me\/?p=2461\/#%E7%8E%B0%E4%BB%A3%E5%AF%86%E7%A0%81%E5%AD%A6\" >\u73b0\u4ee3\u5bc6\u7801\u5b66<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AF%86%E7%A0%81%E5%AD%A6%E5%88%86%E7%B1%BB\"><\/span>\u5bc6\u7801\u5b66\u5206\u7c7b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e00\u822c\u53ef\u4ee5\u5206\u4e3a\u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography)\u548c\u73b0\u4ee3\u5bc6\u7801\u5b66(Modern Cryptography), \u5206\u7c7b\u6807\u51c6\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff0c\u5927\u6982\u4ee5\u65f6\u95f4\u4e3a\u754c\uff0c\u6bd4\u59821970\u5e74\u4ee5\u524d\u53eb\u53e4\u5178\u5bc6\u7801\u5b66\uff0c1970\u5e74\u4e4b\u540e\u5c31\u662f\u73b0\u4ee3\u5bc6\u7801\u5b66\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%A4%E5%85%B8%E5%AF%86%E7%A0%81%E5%AD%A6Classic_Cryptography\"><\/span>\u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5047\u8bbe\u4f60\u5728\u53e4\u4ee3\uff0c\u4f60\u4e0d\u60f3\u8ba9\u522b\u4eba\u770b\u5230\u4f60\u5199\u7684\u6d88\u606f\uff0c\u4f60\u8be5\u600e\u4e48\u505a\uff1f<\/p>\n\n\n\n<p>\u6700\u5148\u60f3\u5230\u7684\u53ef\u80fd\u5c31\u662f\u5bf9\u53d1\u7684\u6d88\u606f\u8fdb\u884c\u66ff\u6362\uff1f<\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a\u4eca\u5929\u665a\u4e0a\u53d1\u8d77\u653b\u51fb<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u7b80\u5355\u66ff\u6362\uff1a\u201c\u540e\u5929\u65e9\u4e0a\u56de\u5bb6\u5403\u996d\u201d<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eca\u5929-\u540e\u5929<\/li>\n\n\n\n<li>\u665a\u4e0a-\u65e9\u4e0a<\/li>\n\n\n\n<li>\u53d1\u8d77-\u56de\u5bb6<\/li>\n\n\n\n<li>\u653b\u51fb-\u5403\u996d<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u7136\u8fd9\u91cc\u53ea\u662f\u4e3a\u4e86\u63cf\u8ff0\u8fd9\u4e2a\u6982\u5ff5\uff0c\u611f\u5174\u8da3\u4f60\u5b8c\u5168\u53ef\u4ee5\u81ea\u5df1\u5f04\u4e00\u4e2a\u5bf9\u7167\u5217\u8868\uff0c\u53ea\u6709\u77e5\u9053\u8fd9\u4e2a\u5bf9\u7167\u8868\u7684\u4eba\u624d\u80fd\u89e3\u8bfb\u51fa\u771f\u5b9e\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u6216\u8005\u6211\u4eec\u5bf9\u5b83\u7684\u987a\u5e8f\u8fdb\u884c\u5404\u79cd\u6253\u4e71: \u665a\u53d1\u4e0a\u653b\u4eca\u8d77\u5929\u51fb\uff0c\u800c\u8fd9\u4e2a\u987a\u5e8f\u5bf9\u5e94\u8868\u53ea\u6709\u4f60\u77e5\u9053\u3002<\/p>\n\n\n\n<p>\u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5176\u5b9e\u5c31\u662f\u4e00\u79cd\u6734\u7d20\u7684\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u52a0\u5bc6\u65b9\u6cd5\uff1a\u66ff\u6362\u5bc6\u7801(<a href=\"https:\/\/en.wikipedia.org\/wiki\/Substitution_cipher\">Substitution Cipher<\/a>)\u3002<\/p>\n\n\n\n<p>\u597d\u4e86\uff0c\u73b0\u5728\u4f60\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u6709\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u6839\u636e\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u624b\u5de5\u8bbe\u8ba1\u51fa\u6765\u7684\uff0c\u751a\u81f3\u6bcf\u4e2a\u4eba\u90fd\u80fd\u6839\u636e\u4e00\u4e9b\u60f3\u6cd5\u8bbe\u8ba1\u51fa\u81ea\u5df1\u7684\u5bc6\u7801\u3002<\/p>\n\n\n\n<p>\u90a3\u5386\u53f2\u4e0a\u53c8\u51fa\u73b0\u8fc7\u54ea\u4e9b\u6bd4\u8f83\u6709\u540d\u7684\u52a0\u5bc6\u65b9\u6cd5\u5462\uff0c\u8fd9\u91cc\u6211\u76f4\u63a5\u622a\u56fe\u7684\u7ef4\u65af\u767e\u79d1\u4e0a\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u603b\u7ed3\u5f52\u7c7b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"353\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1024x353.png\" alt=\"\" class=\"wp-image-2463\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1024x353.png 1024w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-300x103.png 300w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-768x264.png 768w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1536x529.png 1536w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image.png 1888w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5176\u5b9e\u771f\u7684\u662f\u767e\u82b1\u5947\u653e\uff0c\u5404\u79cd\u5206\u95e8\u522b\u7c7b\uff0c\u8fd9\u91cc\u6211\u603b\u611f\u89c9\u5e94\u8be5\u53ea\u662f\u6536\u96c6\u4e86\u4e00\u4e9b\u4f20\u64ad\u8303\u56f4\u6bd4\u8f83\u5e7f\u7684\u4e00\u4e9b\u52a0\u5bc6\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%87%AF%E6%92%92%E5%AF%86%E7%A0%81_Caesar_Cipher\"><\/span>\u51ef\u6492\u5bc6\u7801 (Caesar Cipher)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u62ff\u4e00\u4e9b\u6765\u770b\u770b\uff0c\u8fdb\u884c\u4e00\u4e9b\u66f4\u6df1\u5165\u7684\u4e86\u89e3\uff0c\u6bd4\u5982<a href=\"https:\/\/en.wikipedia.org\/wiki\/Caesar_cipher\">\u51ef\u6492\u5bc6\u7801 (Caesar Cipher)<\/a>\uff0c\u5b83\u662f\u51fa\u73b0\u5728\u516c\u5143\u524d58\u5e74\uff0c\u6240\u4ee5\u5386\u53f2\u771f\u7684\u591f\u4e45\u3002<\/p>\n\n\n\n<p>\u5b83\u7684\u52a0\u5bc6\u8fc7\u7a0b\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5b57\u6bcd\u8fdb\u884c\u5e73\u79fb\uff0c\u6bd4\u5982\u8bf4\u6bcf\u4e2a\u5b57\u6bcd\u5f80\u524d\u79fb\u52a83\u4f4d\u8fdb\u884c\u66ff\u6362\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"430\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1-1024x430.png\" alt=\"\" class=\"wp-image-2464\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1-1024x430.png 1024w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1-300x126.png 300w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1-768x323.png 768w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1-1536x645.png 1536w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-1.png 1628w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>\u660e\u6587: HELLO WORLD\n\u5bc6\u6587: KHOOR ZRUOG<\/code><\/pre>\n\n\n\n<p>\u770b\u8d77\u6765\u5f88\u7b80\u5355\u5bf9\u5427\uff0c\u5b9e\u9645\u4e0a\u4e5f\u662f\u5f88\u7b80\u5355\uff0c\u5f53\u7136\u8fd9\u662f\u4ee5\u73b0\u4ee3\u4eba\u7684\u89c6\u89d2\u6765\u770b\uff0c\u82f1\u6587\u5b57\u6bcd\u53ea\u670926\u4e2a\uff0c\u90a3\u5176\u5b9e\u53ea\u8981\u66b4\u529b\u507f\u8bd5\u79fb\u523025\u6b21\uff0c\u4f60\u5c31\u4e00\u5b9a\u80fd\u5728\u67d0\u4e00\u6b21\u770b\u5230\u771f\u6b63\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u768425\u6b21\uff0c\u8fd8\u6709\u4e00\u4e2a\u53eb\u6cd5\u662f\u5bc6\u94a5\u7a7a\u95f4\u5927\u5c0f\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u8981\u66b4\u529b\u7834\u89e3\u7a77\u4e3e\u7684\u6b21\u6570\u3002<\/p>\n\n\n\n<p>\u51ef\u6492\u5bc6\u7801\u6709\u4e00\u4e2a\u6bd4\u8f83\u6709\u540d\u7684\u53d8\u79cd\uff1a<a href=\"https:\/\/en.wikipedia.org\/wiki\/ROT13\">ROT13<\/a>\uff0c\u770b\u540d\u5b57\u5c31\u77e5\u9053\uff0c\u4f4d\u79fb13\u6b21\uff0c\u6bd4\u5982\u8bf4\u4f60\u60f3\u5728\u4e00\u4e9b\u8bba\u575b\u4e0a\u9700\u8981\u5bf9\u4f60\u53d1\u7684\u6d88\u606f\u505a\u4e00\u4e9b\u7b80\u5355\u7684\u5904\u7406\uff0c\u5c31\u53ef\u4ee5\u7528ROT13\u8fdb\u884c\u7b80\u5355\u7684\u53d8\u6362\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u66ff\u6362\u5bc6\u7801\uff0c\u5728\u5b9e\u9645\u8fc7\u7a0b\u4e2d\u4e5f\u53ef\u80fd\u7528<a href=\"https:\/\/en.wikipedia.org\/wiki\/Frequency_analysis\">\u9891\u7387\u5206\u6790(Frequency Analysis)<\/a>\u8fdb\u884c\u7834\u89e3, \u82f1\u6587\u5b57\u6bcd\u5b9e\u9645\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u662f\u6709\u4e00\u4e2a<a href=\"https:\/\/en.wikipedia.org\/wiki\/Letter_frequency\">\u9891\u7387\u5206\u6b65\u8868<\/a>\u7684\uff0c\u6bd4\u5982e:12.7%, a: 8.2%.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"851\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-2-1024x851.png\" alt=\"\" class=\"wp-image-2466\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-2-1024x851.png 1024w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-2-300x249.png 300w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-2-768x638.png 768w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-2.png 1146w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u66ff\u6362\u5bc6\u7801\u91cc\u9762\u6709\u4e00\u4e2a\u6bd4\u8f83\u597d\u73a9\u7684\u53eb<a href=\"https:\/\/en.wikipedia.org\/wiki\/Pigpen_cipher\">\u732a\u5708\u5bc6\u7801(Pigpen Cipher)<\/a>, \u8fd9\u628a\u6bcf\u4e2a\u5b57\u6bcd\u90fd\u653e\u5728\u4e0d\u540c\u56f4\u680f\u4e2d\uff0c\u8fd9\u6bcf\u4e2a\u56f4\u680f\u770b\u8d77\u6765\u5c31\u50cf\u732a\u5708\u4e00\u6837\uff0c\u628a\u6bcf\u4e2a\u5b57\u6bcd\u56f4\u8d77\u6765\u4e86\uff0c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"448\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-3.png\" alt=\"\" class=\"wp-image-2467\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-3.png 512w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-3-300x263.png 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<p>\u518d\u7528\u6bcf\u4e2a\u56f4\u680f\u6765\u4ee3\u7801\u771f\u5b9e\u7684\u5b57\u6bcd<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"904\" height=\"110\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-4.png\" alt=\"\" class=\"wp-image-2468\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-4.png 904w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-4-300x37.png 300w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-4-768x93.png 768w\" sizes=\"auto, (max-width: 904px) 100vw, 904px\" \/><\/figure>\n\n\n\n<p>\u770b\u5230\u8fd9\u4e9b\u56fe\u5f62\u662f\u4e0d\u662f\u5f88\u6709\u8da3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%85%E6%A0%8F%E5%AF%86%E7%A0%81Rail_Fence_Cipher\"><\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Rail_fence_cipher\">\u6805\u680f\u5bc6\u7801(Rail Fence Cipher)<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53e4\u5178\u5bc6\u7801\u5b66\u91cc\u9762\uff0c\u8fd8\u6709\u4e00\u4e9b\u597d\u73a9\u7684\u6bd4\u5982<a href=\"https:\/\/en.wikipedia.org\/wiki\/Rail_fence_cipher\">\u6805\u680f\u5bc6\u7801(Rail Fence Cipher)<\/a><\/p>\n\n\n\n<p>\u987e\u540d\u601d\u4e49\uff0c\u5b83\u662f\u628a\u660e\u6587\u6309\u6805\u680f\u90a3\u79cd\u6392\u5217\u65b9\u5f0f\u4f9d\u6b21\u653e\u5165\uff0c\u6bd4\u5982\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e09\u884c\u7684\u6805\u680f\uff1aWE ARE DISCOVERED. RUN AT ONCE<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">W . . . E . . . C . . . R . . . U . . . O . . . \n. E . R . D . S . O . E . E . R . N . T . N . E \n. . A . . . I . . . V . . . D . . . A . . . C . <\/pre>\n\n\n\n<p>\u4f9d\u6b21\u653e\u4eba\uff0c\u4ece\u4e0a\u5230\u4e0b\uff0c\u4ece\u5de6\u5230\u53f3\uff0c\u653e\u597d\u4e4b\u540e\uff0c\u6211\u4eec\u518d\u6309\u884c\u6570\u628a\u6240\u6709\u7684\u5b57\u6bcd\u62fc\u8d77\u6765<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>WECRUO ERDSOEERNTNE AIVDAC<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6837\u6211\u4eec\u62ff\u5230\u4e86\u5bc6\u6587\uff0c\u770b\u8d77\u6765\u4e0d\u77e5\u9053\u8bf4\u7684\u662f\u4ec0\u4e48\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Playfair_Cipher\"><\/span>Playfair Cipher<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u666e\u83b1\u8d39\u5c14\u5bc6\u7801<a href=\"https:\/\/en.wikipedia.org\/wiki\/Playfair_cipher\">Playfair Cipher<\/a>\uff0c\u7531Charles Wheatstone\u57281854\u5e74\u53d1\u660e\uff0c\u4f46\u4ee5\u4ed6\u7684\u670b\u53cbLyon Playfair\u7684\u540d\u5b57\u547d\u540d\u3002\u5b83\u5728\u5386\u53f2\u4e0a\u88ab\u5e7f\u6cdb\u7528\u4e8e\u519b\u4e8b\u901a\u4fe1\u3002\u5177\u4f53\u53ef\u80fd\u53c2\u8003\u7ef4\u65af\u767e\u79d1\u8bf4\u660e<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>https:\/\/en.wikipedia.org\/wiki\/Playfair_cipher<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u5217\u4e3e\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u53e4\u5178\u5bc6\u7801\u5b66\u7b97\u6cd5\uff0c\u5f53\u7136\u4ee5\u73b0\u5728\u7684\u89c6\u89d2\u53bb\u770b\uff0c\u53ef\u80fd\u6bd4\u8f83\u5f31\uff0c\u4f46\u662f\u653e\u5728\u5f53\u65f6\u7684\u6280\u672f\u6c34\u5e73\uff0c\u8fd8\u662f\u80fd\u53d1\u6325\u5f88\u5927\u7684\u4f5c\u7528\u7684\uff0c\u6709\u5f88\u591a\u5b9e\u9645\u610f\u4e49\uff0c\u73b0\u5728\u6211\u4eec\u5728\u7406\u89e3\u5bc6\u7801\u7684\u65f6\u5019\u90fd\u4f1a\u53bb\u56de\u987e\u4e00\u4e0b\uff0c\u5386\u53f2\u4e0a\u7684\u4eba\u4eec\u662f\u5982\u4f55\u521b\u5efa\u5404\u79cd\u52a0\u5bc6\u7b97\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%81%A9%E5%B0%BC%E6%A0%BC%E7%8E%9B%E5%AF%86%E7%A0%81%E6%9C%BAEnigma_Machine\"><\/span>\u6069\u5c3c\u683c\u739b\u5bc6\u7801\u673a(Enigma Machine)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5176\u5b9e\u5728\u4e8c\u6218\u7684\u65f6\u5019\u5c31\u5df2\u7ecf\u53d1\u660e\u4e86\u4e00\u4e9b\u66f4\u9ad8\u7ea7\u7684\u5bc6\u7801\u673a\uff1a\u6069\u5c3c<a href=\"https:\/\/en.wikipedia.org\/wiki\/Enigma_machine\">\u683c\u739b\u5bc6\u7801\u673a(Enigma Machine) <\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"939\" height=\"1024\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-6-939x1024.png\" alt=\"\" class=\"wp-image-2470\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-6-939x1024.png 939w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-6-275x300.png 275w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-6-768x837.png 768w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-6.png 1039w\" sizes=\"auto, (max-width: 939px) 100vw, 939px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u6211\u4e5f\u6709\u641e\u6e05\u695a\u600e\u4e48\u8fd0\u884c\u7684\uff0c\u4f46\u540e\u6765\u8fd9\u4e2a\u673a\u5668\u52a0\u5bc6\u7b97\u6cd5\u88ab\u7834\u89e3\u4e86\uff0c\u800c\u4e14\u6709\u76f8\u5173\u7535\u5f71\u4e13\u95e8\u8bb2Enigma\uff0c\u6211\u8bb0\u5f97\u597d\u50cf\u770b\u8fc7\u5176\u4e2d\u4e00\u90e8\u7535\u5f71\uff0c\u91cc\u9762\u6709\u56fe\u7075\uff0c\u4f46\u5fd8\u8bb0\u53eb\u4ec0\u4e48\u540d\u5b57\u4e86\u3002<\/p>\n\n\n\n<p>\u540e\u6765\u67e5\u627e\u4e86\u4e00\u4e0b\u5c31\u662fThe Imitation Game (2014)\uff0c\u8bb2\u7684\u662f\u4e8c\u7ad9\u671f\u95f4\u56fe\u7075\u7834\u89e3\u5fb7\u56fdEnigma\u52a0\u5bc6\u7b97\u6cd5\u7684\u6545\u4e8b\uff0c\u518d\u540e\u6765\u56fe\u7075\u57fa\u4e8e\u6b64\u53d1\u660e\u4e86\u8ba1\u7b97\u673a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%8E%B0%E4%BB%A3%E5%AF%86%E7%A0%81%E5%AD%A6\"><\/span>\u73b0\u4ee3\u5bc6\u7801\u5b66<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e0e\u53e4\u5178\u5bc6\u7801\u5b66\u76f8\u5bf9\u7684\u5c31\u662f\u73b0\u4ee3\u5bc6\u7801\u5b66\uff0c\u4ece\u6211\u4eec\u611f\u77e5\u4e0a\uff0c\u53e4\u5178\u5bc6\u7801\u5b66\u5f88\u591a\u662f\u6839\u636e\u4e00\u4e9b\u751f\u6d3b\u6216\u8005\u5de5\u4f5c\u7ecf\u9a8c\u8bbe\u8ba1\u51fa\u6765\u4e86\uff0c\u751a\u81f3\u8bf4\u6bcf\u4e2a\u4eba\u90fd\u53ef\u4ee5\u8bbe\u8ba1\u81ea\u5df1\u72ec\u7acb\u7684\u52a0\u5bc6\u65b9\u5f0f\u3002\u4f46\u73b0\u4ee3\u5bc6\u7801\u5c31\u8981\u6c42\u5f88\u591a\uff0c\u9700\u8981\u66f4\u9ad8\u7684\u5b89\u5168\u6027\uff0c\u4fdd\u5bc6\u6027\uff0c\u5b8c\u6574\u6027\u6821\u9a8c\uff0c\u7136\u540e\u9700\u8981\u57fa\u4e8e\u67d0\u4e9b\u6570\u5b66\u7406\u8bba\u57fa\u7840\uff0c\u80fd\u591f\u4ece\u7406\u8bba\u4e0a\u88ab\u9a8c\u8bc1\u7684\u4e00\u6570\u5b66\u96be\u9898\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u6574\u6570\u7684\u56e0\u5f0f\u5206\u89e3(Integer Factorization)<\/li>\n\n\n\n<li>\u79bb\u6563\u5bf9\u6570\u95ee\u9898(Discrete Logarithm, DLP)<\/li>\n\n\n\n<li>\u692d\u5706\u66f2\u7ebf\u95ee\u9898(Elliptic Curves)<\/li>\n<\/ul>\n\n\n\n<p>\u540e\u9762\u6211\u4eec\u518d\u5199\u5173\u4e8e\u5bf9\u79f0\u52a0\u5bc6\u548c\u975e\u5bf9\u79f0\u52a0\u5bc6\u7684\u5185\u5bb9\uff0c\u8be6\u7ec6\u89e3\u8bfb\u4eba\u7c7b\u5728\u52a0\u89e3\u5bc6\u4e0a\uff0c\u87ba\u65cb\u5f0f\u653b\u9632\u8fed\u4ee3\u4e0a\u5347\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u5e94\u8be5\u8bf4\u6574\u4e2a\u5bc6\u7801\u5b66\u662f\u5f53\u4eca\u6570\u5b57\u4e16\u754c\uff0c\u4e92\u8054\u7f51\u7684\u57fa\u77f3\uff0c\u5982\u679c\u5bc6\u7801\u5b66\u88ab\u653b\u7834\u4e86\uff0c\u90a3\u4e48\u6574\u4e2a\u73b0\u5b9e\u4e16\u754c\u90fd\u6709\u53ef\u80fd\u574d\u584c\uff0c\u5c31\u6bd4\u5982\u73b0\u5728\u7684\u91cf\u5b50\u8ba1\u7b97\u673a\uff0c\u5c31\u5bf9\u73b0\u5728\u7684\u8fd9\u4e9b\u52a0\u5bc6\u7b97\u6cd5\u9020\u6210\u4e86\u5a01\u80c1\uff0c\u6240\u4ee5\u7f8e\u56fdNIST\u4e00\u76f4\u5728\u51c6\u5907\u540e\u91cf\u5b50\u8ba1\u7b97\u673a\u65f6\u4ee3\u7684\u52a0\u5bc6\u7b97\u6cd5(PQC)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>https:\/\/csrc.nist.gov\/projects\/post-quantum-cryptography<\/li>\n<\/ul>\n\n\n\n<p>2025\u5e743\u670811\u65e5\uff0cPQC\u65f6\u4ee3\u52a0\u5bc6\u7b97\u6cd5\u7ecf\u8fc7\u8f6e\u7ade\u4e89\uff0c\u6700\u7ec8\u88ab\u9009\u53d6\u51fa\u6765\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"351\" height=\"238\" src=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-17.png\" alt=\"\" class=\"wp-image-2487\" srcset=\"https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-17.png 351w, https:\/\/pjq.me\/wp-content\/uploads\/2025\/11\/image-17-300x203.png 300w\" sizes=\"auto, (max-width: 351px) 100vw, 351px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u7bc7\u5c31\u5230\u8fd9\u91cc\u7ed3\u675f\u4e86\uff0c\u540e\u9762\u6587\u7ae0\u518d\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u4e00\u76f4\u5728\u770b\u5bc6\u7801\u5b66\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u867d\u7136\u4e00\u5e74\u524d\u5df2\u7ecf\u770b\u8fc7\u4e86\uff0c\u4f46\u4e00\u6bb5\u65f6\u95f4\u6ca1\u7528\u4e86\uff0c\u5c31\u5bb9\u6613\u5fd8\u8bb0\u3002 \u6240\u4ee5\u60f3\u5728\u8fd9\u91cc\u5199\u4e00\u7bc7\u5bc6\u7801\u5b66\u7b80\u53f2\uff0c\u987a\u4fbf\u68b3\u7406\u4e00\u4e0b\u76f8\u5173\u77e5\u8bc6\u3002 \u5bc6\u7801\u5b66\u5bf9\u666e\u901a\u4eba\u6765\u8bb2\uff0c\u770b\u8d77\u6765\u662f\u5f88\u9ad8\u6df1\u7684\uff0c\u4f46\u5b9e\u9645\u60c5\u51b5\u662f\u6bcf\u5929\u5927\u5bb6\u90fd\u8981\u7528\u5230\u5927\u91cf\u5bc6\u7801\u5b66\u7684\u7b97\u6cd5\u3002\u53ea\u8981\u4f60\u5728\u7528\u624b\u673a\u7535\u8111\u4e0a\u7f51\uff0c\u8d2d\u7269\uff0c\u804a\u5929\uff0c\u90a3\u5c31\u4e00\u5b9a\u4f1a\u6709\u5f88\u591a\u5bc6\u7801\u5b66\u76f8\u5173\u7684\u7b97\u6cd5\u5728\u540e\u9762\u9ed8\u9ed8\u5730\u5de5\u4f5c\u7740\uff0c\u8fd9\u4e9b\u5e55\u540e\u82f1\u96c4\u5728\u5077\u5077\u5730\u4fdd\u969c\u7740\u4f60\u5728\u6570\u5b57\u65f6\u4ee3\uff0c\u4f60\u7684\u9690\u79c1\u4e0d\u88ab\u7a83\u53d6\uff0c\u4f60\u7684\u804a\u5929\u8bb0\u5f55\u4e0d\u4f1a\u88ab\u4eba\u770b\u5230\uff0c\u4f60\u7684\u94f6\u884c\u5bc6\u7801\u4e0d\u4f1a\u88ab\u4eba\u6293\u5230\u3002 \u6bcf\u6b21\u4f60\u5728App\u91cc\u9762\u53d1\u8d77\u4e00\u6b21\u8d2d\u7269\u8bf7\u6c42\uff0c\u5728\u804a\u5929App\u91cc\u9762\u53d1\u51fa\u201c\u4f60\u597d\u201d\uff0c\u540e\u53f0\u6709\u5927\u91cf\u7684\u52a0\u5bc6\u7b97\u6cd5\u5728\u9ed8\u9ed8\u5730\u8fd0\u884c\u3002 \u800c\u5728\u8fd9\u91cc\u6211\u60f3\u6162\u6162\u5730\u7ed9\u5927\u5bb6\u89e3\u91ca\u6e05\u695a\u8fd9\u540e\u9762\u6240\u53d1\u751f\u7684\u4e00\u5207\u3002 \u5bc6\u7801\u5b66\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u628a\u4f60\u8bf4\u7684\u8bdd\uff0c\u53d1\u7684\u6d88\u606f\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u5c31\u7b97\u522b\u4eba\u770b\u5230\u8f6c\u6362\u4e4b\u540e\u7684\u5185\u5bb9\uff0c\u4e5f\u65e0\u6cd5\u770b\u5230\u4f60\u771f\u5b9e\u8bf4\u4e86\u4ec0\u4e48\u3002 \u6240\u4ee5\u8fd9\u91cc\u4f60\u4f1a\u7b2c\u4e00\u6b21\u63a5\u89e6\u5230\u4e24\u4e2a\u6982\u5ff5 \u5927\u9053\u81f3\u7b80\uff0c\u7b80\u5355\u7c97\u66b4\u3002 \u4eba\u7c7b\u7684\u6587\u660e\u53f2\uff0c\u5176\u5b9e\u4e5f\u662f\u5bc6\u7801\u5b66\u7684\u6f14\u8fdb\u53f2\uff0c\u4eba\u7c7b\u4ece\u53e4\u81f3\u4eca\uff0c\u5176\u5b9e\u90fd\u662f\u4e00\u76f4\u5728\u8ffd\u6c42\u5982\u4f55\u5c06\u660e\u6587\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u53d8\u6210\u5bc6\u6587\uff0c\u800c\u4e0d\u88ab\u53d8\u4eba\u77e5\u6653\u771f\u5b9e\u5185\u5bb9\u3002 \u5f53\u7136\u9b54\u9ad8\u4e00\u5c3a\uff0c\u9053\u9ad8\u4e00\u4e08\uff0c\u4f60\u8d8a\u662f\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u522b\u4eba\u5c31\u8d8a\u60f3\u77e5\u9053\uff0c\u7ecf\u8fc7\u51e0\u767e\u5e74\uff0c\u4e0a\u5343\u5e74\u7684\u8fed\u4ee3\u6f14\u8fdb\uff0c\u653b\u9632\u8f6c\u6362\uff0c\u6e10\u6e10\u5730\u5f62\u6210\u4e86\u5bc6\u7801\u5b66(Cryptography)\u7684\u6982\u5ff5\u3002 \u5bc6\u7801\u5b66\u5206\u7c7b \u4e00\u822c\u53ef\u4ee5\u5206\u4e3a\u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography)\u548c\u73b0\u4ee3\u5bc6\u7801\u5b66(Modern Cryptography), \u5206\u7c7b\u6807\u51c6\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff0c\u5927\u6982\u4ee5\u65f6\u95f4\u4e3a\u754c\uff0c\u6bd4\u59821970\u5e74\u4ee5\u524d\u53eb\u53e4\u5178\u5bc6\u7801\u5b66\uff0c1970\u5e74\u4e4b\u540e\u5c31\u662f\u73b0\u4ee3\u5bc6\u7801\u5b66\u3002 \u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography) \u5047\u8bbe\u4f60\u5728\u53e4\u4ee3\uff0c\u4f60\u4e0d\u60f3\u8ba9\u522b\u4eba\u770b\u5230\u4f60\u5199\u7684\u6d88\u606f\uff0c\u4f60\u8be5\u600e\u4e48\u505a\uff1f \u6700\u5148\u60f3\u5230\u7684\u53ef\u80fd\u5c31\u662f\u5bf9\u53d1\u7684\u6d88\u606f\u8fdb\u884c\u66ff\u6362\uff1f \u6bd4\u5982\uff1a\u4eca\u5929\u665a\u4e0a\u53d1\u8d77\u653b\u51fb \u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u7b80\u5355\u66ff\u6362\uff1a\u201c\u540e\u5929\u65e9\u4e0a\u56de\u5bb6\u5403\u996d\u201d \u5f53\u7136\u8fd9\u91cc\u53ea\u662f\u4e3a\u4e86\u63cf\u8ff0\u8fd9\u4e2a\u6982\u5ff5\uff0c\u611f\u5174\u8da3\u4f60\u5b8c\u5168\u53ef\u4ee5\u81ea\u5df1\u5f04\u4e00\u4e2a\u5bf9\u7167\u5217\u8868\uff0c\u53ea\u6709\u77e5\u9053\u8fd9\u4e2a\u5bf9\u7167\u8868\u7684\u4eba\u624d\u80fd\u89e3\u8bfb\u51fa\u771f\u5b9e\u5185\u5bb9\u3002 \u6216\u8005\u6211\u4eec\u5bf9\u5b83\u7684\u987a\u5e8f\u8fdb\u884c\u5404\u79cd\u6253\u4e71: \u665a\u53d1\u4e0a\u653b\u4eca\u8d77\u5929\u51fb\uff0c\u800c\u8fd9\u4e2a\u987a\u5e8f\u5bf9\u5e94\u8868\u53ea\u6709\u4f60\u77e5\u9053\u3002 \u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5176\u5b9e\u5c31\u662f\u4e00\u79cd\u6734\u7d20\u7684\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u52a0\u5bc6\u65b9\u6cd5\uff1a\u66ff\u6362\u5bc6\u7801(Substitution Cipher)\u3002 \u597d\u4e86\uff0c\u73b0\u5728\u4f60\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u6709\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u6839\u636e\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u624b\u5de5\u8bbe\u8ba1\u51fa\u6765\u7684\uff0c\u751a\u81f3\u6bcf\u4e2a\u4eba\u90fd\u80fd\u6839\u636e\u4e00\u4e9b\u60f3\u6cd5\u8bbe\u8ba1\u51fa\u81ea\u5df1\u7684\u5bc6\u7801\u3002 \u90a3\u5386\u53f2\u4e0a\u53c8\u51fa\u73b0\u8fc7\u54ea\u4e9b\u6bd4\u8f83\u6709\u540d\u7684\u52a0\u5bc6\u65b9\u6cd5\u5462\uff0c\u8fd9\u91cc\u6211\u76f4\u63a5\u622a\u56fe\u7684\u7ef4\u65af\u767e\u79d1\u4e0a\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u603b\u7ed3\u5f52\u7c7b\u3002 \u5176\u5b9e\u771f\u7684\u662f\u767e\u82b1\u5947\u653e\uff0c\u5404\u79cd\u5206\u95e8\u522b\u7c7b\uff0c\u8fd9\u91cc\u6211\u603b\u611f\u89c9\u5e94\u8be5\u53ea\u662f\u6536\u96c6\u4e86\u4e00\u4e9b\u4f20\u64ad\u8303\u56f4\u6bd4\u8f83\u5e7f\u7684\u4e00\u4e9b\u52a0\u5bc6\u65b9\u6cd5\u3002 \u51ef\u6492\u5bc6\u7801 (Caesar Cipher) \u6211\u4eec\u53ef\u4ee5\u62ff\u4e00\u4e9b\u6765\u770b\u770b\uff0c\u8fdb\u884c\u4e00\u4e9b\u66f4\u6df1\u5165\u7684\u4e86\u89e3\uff0c\u6bd4\u5982\u51ef\u6492\u5bc6\u7801 (Caesar Cipher)\uff0c\u5b83\u662f\u51fa\u73b0\u5728\u516c\u5143\u524d58\u5e74\uff0c\u6240\u4ee5\u5386\u53f2\u771f\u7684\u591f\u4e45\u3002 \u5b83\u7684\u52a0\u5bc6\u8fc7\u7a0b\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5b57\u6bcd\u8fdb\u884c\u5e73\u79fb\uff0c\u6bd4\u5982\u8bf4\u6bcf\u4e2a\u5b57\u6bcd\u5f80\u524d\u79fb\u52a83\u4f4d\u8fdb\u884c\u66ff\u6362\u3002 \u770b\u8d77\u6765\u5f88\u7b80\u5355\u5bf9\u5427\uff0c\u5b9e\u9645\u4e0a\u4e5f\u662f\u5f88\u7b80\u5355\uff0c\u5f53\u7136\u8fd9\u662f\u4ee5\u73b0\u4ee3\u4eba\u7684\u89c6\u89d2\u6765\u770b\uff0c\u82f1\u6587\u5b57\u6bcd\u53ea\u670926\u4e2a\uff0c\u90a3\u5176\u5b9e\u53ea\u8981\u66b4\u529b\u507f\u8bd5\u79fb\u523025\u6b21\uff0c\u4f60\u5c31\u4e00\u5b9a\u80fd\u5728\u67d0\u4e00\u6b21\u770b\u5230\u771f\u6b63\u7684\u5185\u5bb9\u3002 \u8fd9\u91cc\u768425\u6b21\uff0c\u8fd8\u6709\u4e00\u4e2a\u53eb\u6cd5\u662f\u5bc6\u94a5\u7a7a\u95f4\u5927\u5c0f\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u8981\u66b4\u529b\u7834\u89e3\u7a77\u4e3e\u7684\u6b21\u6570\u3002 \u51ef\u6492\u5bc6\u7801\u6709\u4e00\u4e2a\u6bd4\u8f83\u6709\u540d\u7684\u53d8\u79cd\uff1aROT13\uff0c\u770b\u540d\u5b57\u5c31\u77e5\u9053\uff0c\u4f4d\u79fb13\u6b21\uff0c\u6bd4\u5982\u8bf4\u4f60\u60f3\u5728\u4e00\u4e9b\u8bba\u575b\u4e0a\u9700\u8981\u5bf9\u4f60\u53d1\u7684\u6d88\u606f\u505a\u4e00\u4e9b\u7b80\u5355\u7684\u5904\u7406\uff0c\u5c31\u53ef\u4ee5\u7528ROT13\u8fdb\u884c\u7b80\u5355\u7684\u53d8\u6362\u3002 \u8fd9\u79cd\u66ff\u6362\u5bc6\u7801\uff0c\u5728\u5b9e\u9645\u8fc7\u7a0b\u4e2d\u4e5f\u53ef\u80fd\u7528\u9891\u7387\u5206\u6790(Frequency<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270,169],"tags":[255,254,228,261,262,258,260,259,257,256],"class_list":["post-2461","post","type-post","status-publish","format-standard","hentry","category-cryptography","category-tech","tag-caesar-cipher","tag-classic-cryptography","tag-cryptography","tag-discrete-logarithm","tag-elliptic-curves","tag-enigma-machine","tag-integer-factorization","tag-morden-cryptography","tag-playfair-cipher","tag-rail-fence-cipher"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5bc6\u7801\u5b66(Cryptography)\u7b80\u53f2-\u53e4\u5178\u5bc6\u7801\u5b66 - Jianqing&#039;s Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pjq.me\/?p=2461\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5bc6\u7801\u5b66(Cryptography)\u7b80\u53f2-\u53e4\u5178\u5bc6\u7801\u5b66 - Jianqing&#039;s Blog\" \/>\n<meta property=\"og:description\" content=\"\u6700\u8fd1\u4e00\u76f4\u5728\u770b\u5bc6\u7801\u5b66\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u867d\u7136\u4e00\u5e74\u524d\u5df2\u7ecf\u770b\u8fc7\u4e86\uff0c\u4f46\u4e00\u6bb5\u65f6\u95f4\u6ca1\u7528\u4e86\uff0c\u5c31\u5bb9\u6613\u5fd8\u8bb0\u3002 \u6240\u4ee5\u60f3\u5728\u8fd9\u91cc\u5199\u4e00\u7bc7\u5bc6\u7801\u5b66\u7b80\u53f2\uff0c\u987a\u4fbf\u68b3\u7406\u4e00\u4e0b\u76f8\u5173\u77e5\u8bc6\u3002 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\u4eba\u7c7b\u7684\u6587\u660e\u53f2\uff0c\u5176\u5b9e\u4e5f\u662f\u5bc6\u7801\u5b66\u7684\u6f14\u8fdb\u53f2\uff0c\u4eba\u7c7b\u4ece\u53e4\u81f3\u4eca\uff0c\u5176\u5b9e\u90fd\u662f\u4e00\u76f4\u5728\u8ffd\u6c42\u5982\u4f55\u5c06\u660e\u6587\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u53d8\u6210\u5bc6\u6587\uff0c\u800c\u4e0d\u88ab\u53d8\u4eba\u77e5\u6653\u771f\u5b9e\u5185\u5bb9\u3002 \u5f53\u7136\u9b54\u9ad8\u4e00\u5c3a\uff0c\u9053\u9ad8\u4e00\u4e08\uff0c\u4f60\u8d8a\u662f\u8fdb\u884c\u5404\u79cd\u8f6c\u6362\uff0c\u522b\u4eba\u5c31\u8d8a\u60f3\u77e5\u9053\uff0c\u7ecf\u8fc7\u51e0\u767e\u5e74\uff0c\u4e0a\u5343\u5e74\u7684\u8fed\u4ee3\u6f14\u8fdb\uff0c\u653b\u9632\u8f6c\u6362\uff0c\u6e10\u6e10\u5730\u5f62\u6210\u4e86\u5bc6\u7801\u5b66(Cryptography)\u7684\u6982\u5ff5\u3002 \u5bc6\u7801\u5b66\u5206\u7c7b \u4e00\u822c\u53ef\u4ee5\u5206\u4e3a\u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography)\u548c\u73b0\u4ee3\u5bc6\u7801\u5b66(Modern Cryptography), \u5206\u7c7b\u6807\u51c6\u5176\u5b9e\u4e5f\u5f88\u7b80\u5355\uff0c\u5927\u6982\u4ee5\u65f6\u95f4\u4e3a\u754c\uff0c\u6bd4\u59821970\u5e74\u4ee5\u524d\u53eb\u53e4\u5178\u5bc6\u7801\u5b66\uff0c1970\u5e74\u4e4b\u540e\u5c31\u662f\u73b0\u4ee3\u5bc6\u7801\u5b66\u3002 \u53e4\u5178\u5bc6\u7801\u5b66(Classic Cryptography) \u5047\u8bbe\u4f60\u5728\u53e4\u4ee3\uff0c\u4f60\u4e0d\u60f3\u8ba9\u522b\u4eba\u770b\u5230\u4f60\u5199\u7684\u6d88\u606f\uff0c\u4f60\u8be5\u600e\u4e48\u505a\uff1f \u6700\u5148\u60f3\u5230\u7684\u53ef\u80fd\u5c31\u662f\u5bf9\u53d1\u7684\u6d88\u606f\u8fdb\u884c\u66ff\u6362\uff1f \u6bd4\u5982\uff1a\u4eca\u5929\u665a\u4e0a\u53d1\u8d77\u653b\u51fb \u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u7b80\u5355\u66ff\u6362\uff1a\u201c\u540e\u5929\u65e9\u4e0a\u56de\u5bb6\u5403\u996d\u201d \u5f53\u7136\u8fd9\u91cc\u53ea\u662f\u4e3a\u4e86\u63cf\u8ff0\u8fd9\u4e2a\u6982\u5ff5\uff0c\u611f\u5174\u8da3\u4f60\u5b8c\u5168\u53ef\u4ee5\u81ea\u5df1\u5f04\u4e00\u4e2a\u5bf9\u7167\u5217\u8868\uff0c\u53ea\u6709\u77e5\u9053\u8fd9\u4e2a\u5bf9\u7167\u8868\u7684\u4eba\u624d\u80fd\u89e3\u8bfb\u51fa\u771f\u5b9e\u5185\u5bb9\u3002 \u6216\u8005\u6211\u4eec\u5bf9\u5b83\u7684\u987a\u5e8f\u8fdb\u884c\u5404\u79cd\u6253\u4e71: \u665a\u53d1\u4e0a\u653b\u4eca\u8d77\u5929\u51fb\uff0c\u800c\u8fd9\u4e2a\u987a\u5e8f\u5bf9\u5e94\u8868\u53ea\u6709\u4f60\u77e5\u9053\u3002 \u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5176\u5b9e\u5c31\u662f\u4e00\u79cd\u6734\u7d20\u7684\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u52a0\u5bc6\u65b9\u6cd5\uff1a\u66ff\u6362\u5bc6\u7801(Substitution Cipher)\u3002 \u597d\u4e86\uff0c\u73b0\u5728\u4f60\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u6709\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u6839\u636e\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u624b\u5de5\u8bbe\u8ba1\u51fa\u6765\u7684\uff0c\u751a\u81f3\u6bcf\u4e2a\u4eba\u90fd\u80fd\u6839\u636e\u4e00\u4e9b\u60f3\u6cd5\u8bbe\u8ba1\u51fa\u81ea\u5df1\u7684\u5bc6\u7801\u3002 \u90a3\u5386\u53f2\u4e0a\u53c8\u51fa\u73b0\u8fc7\u54ea\u4e9b\u6bd4\u8f83\u6709\u540d\u7684\u52a0\u5bc6\u65b9\u6cd5\u5462\uff0c\u8fd9\u91cc\u6211\u76f4\u63a5\u622a\u56fe\u7684\u7ef4\u65af\u767e\u79d1\u4e0a\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u603b\u7ed3\u5f52\u7c7b\u3002 \u5176\u5b9e\u771f\u7684\u662f\u767e\u82b1\u5947\u653e\uff0c\u5404\u79cd\u5206\u95e8\u522b\u7c7b\uff0c\u8fd9\u91cc\u6211\u603b\u611f\u89c9\u5e94\u8be5\u53ea\u662f\u6536\u96c6\u4e86\u4e00\u4e9b\u4f20\u64ad\u8303\u56f4\u6bd4\u8f83\u5e7f\u7684\u4e00\u4e9b\u52a0\u5bc6\u65b9\u6cd5\u3002 \u51ef\u6492\u5bc6\u7801 (Caesar Cipher) \u6211\u4eec\u53ef\u4ee5\u62ff\u4e00\u4e9b\u6765\u770b\u770b\uff0c\u8fdb\u884c\u4e00\u4e9b\u66f4\u6df1\u5165\u7684\u4e86\u89e3\uff0c\u6bd4\u5982\u51ef\u6492\u5bc6\u7801 (Caesar Cipher)\uff0c\u5b83\u662f\u51fa\u73b0\u5728\u516c\u5143\u524d58\u5e74\uff0c\u6240\u4ee5\u5386\u53f2\u771f\u7684\u591f\u4e45\u3002 \u5b83\u7684\u52a0\u5bc6\u8fc7\u7a0b\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5b57\u6bcd\u8fdb\u884c\u5e73\u79fb\uff0c\u6bd4\u5982\u8bf4\u6bcf\u4e2a\u5b57\u6bcd\u5f80\u524d\u79fb\u52a83\u4f4d\u8fdb\u884c\u66ff\u6362\u3002 \u770b\u8d77\u6765\u5f88\u7b80\u5355\u5bf9\u5427\uff0c\u5b9e\u9645\u4e0a\u4e5f\u662f\u5f88\u7b80\u5355\uff0c\u5f53\u7136\u8fd9\u662f\u4ee5\u73b0\u4ee3\u4eba\u7684\u89c6\u89d2\u6765\u770b\uff0c\u82f1\u6587\u5b57\u6bcd\u53ea\u670926\u4e2a\uff0c\u90a3\u5176\u5b9e\u53ea\u8981\u66b4\u529b\u507f\u8bd5\u79fb\u523025\u6b21\uff0c\u4f60\u5c31\u4e00\u5b9a\u80fd\u5728\u67d0\u4e00\u6b21\u770b\u5230\u771f\u6b63\u7684\u5185\u5bb9\u3002 \u8fd9\u91cc\u768425\u6b21\uff0c\u8fd8\u6709\u4e00\u4e2a\u53eb\u6cd5\u662f\u5bc6\u94a5\u7a7a\u95f4\u5927\u5c0f\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u8981\u66b4\u529b\u7834\u89e3\u7a77\u4e3e\u7684\u6b21\u6570\u3002 \u51ef\u6492\u5bc6\u7801\u6709\u4e00\u4e2a\u6bd4\u8f83\u6709\u540d\u7684\u53d8\u79cd\uff1aROT13\uff0c\u770b\u540d\u5b57\u5c31\u77e5\u9053\uff0c\u4f4d\u79fb13\u6b21\uff0c\u6bd4\u5982\u8bf4\u4f60\u60f3\u5728\u4e00\u4e9b\u8bba\u575b\u4e0a\u9700\u8981\u5bf9\u4f60\u53d1\u7684\u6d88\u606f\u505a\u4e00\u4e9b\u7b80\u5355\u7684\u5904\u7406\uff0c\u5c31\u53ef\u4ee5\u7528ROT13\u8fdb\u884c\u7b80\u5355\u7684\u53d8\u6362\u3002 \u8fd9\u79cd\u66ff\u6362\u5bc6\u7801\uff0c\u5728\u5b9e\u9645\u8fc7\u7a0b\u4e2d\u4e5f\u53ef\u80fd\u7528\u9891\u7387\u5206\u6790(Frequency\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pjq.me\/?p=2461\" \/>\n<meta property=\"og:site_name\" content=\"Jianqing&#039;s Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-11T10:55:22+00:00\" 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\u5f53\u7136\u8fd9\u91cc\u53ea\u662f\u4e3a\u4e86\u63cf\u8ff0\u8fd9\u4e2a\u6982\u5ff5\uff0c\u611f\u5174\u8da3\u4f60\u5b8c\u5168\u53ef\u4ee5\u81ea\u5df1\u5f04\u4e00\u4e2a\u5bf9\u7167\u5217\u8868\uff0c\u53ea\u6709\u77e5\u9053\u8fd9\u4e2a\u5bf9\u7167\u8868\u7684\u4eba\u624d\u80fd\u89e3\u8bfb\u51fa\u771f\u5b9e\u5185\u5bb9\u3002 \u6216\u8005\u6211\u4eec\u5bf9\u5b83\u7684\u987a\u5e8f\u8fdb\u884c\u5404\u79cd\u6253\u4e71: \u665a\u53d1\u4e0a\u653b\u4eca\u8d77\u5929\u51fb\uff0c\u800c\u8fd9\u4e2a\u987a\u5e8f\u5bf9\u5e94\u8868\u53ea\u6709\u4f60\u77e5\u9053\u3002 \u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5176\u5b9e\u5c31\u662f\u4e00\u79cd\u6734\u7d20\u7684\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u52a0\u5bc6\u65b9\u6cd5\uff1a\u66ff\u6362\u5bc6\u7801(Substitution Cipher)\u3002 \u597d\u4e86\uff0c\u73b0\u5728\u4f60\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u6709\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u6982\u5ff5\uff0c\u5b83\u662f\u6839\u636e\u4e00\u4e9b\u7ecf\u9a8c\uff0c\u624b\u5de5\u8bbe\u8ba1\u51fa\u6765\u7684\uff0c\u751a\u81f3\u6bcf\u4e2a\u4eba\u90fd\u80fd\u6839\u636e\u4e00\u4e9b\u60f3\u6cd5\u8bbe\u8ba1\u51fa\u81ea\u5df1\u7684\u5bc6\u7801\u3002 \u90a3\u5386\u53f2\u4e0a\u53c8\u51fa\u73b0\u8fc7\u54ea\u4e9b\u6bd4\u8f83\u6709\u540d\u7684\u52a0\u5bc6\u65b9\u6cd5\u5462\uff0c\u8fd9\u91cc\u6211\u76f4\u63a5\u622a\u56fe\u7684\u7ef4\u65af\u767e\u79d1\u4e0a\u5bf9\u53e4\u5178\u5bc6\u7801\u5b66\u7684\u603b\u7ed3\u5f52\u7c7b\u3002 \u5176\u5b9e\u771f\u7684\u662f\u767e\u82b1\u5947\u653e\uff0c\u5404\u79cd\u5206\u95e8\u522b\u7c7b\uff0c\u8fd9\u91cc\u6211\u603b\u611f\u89c9\u5e94\u8be5\u53ea\u662f\u6536\u96c6\u4e86\u4e00\u4e9b\u4f20\u64ad\u8303\u56f4\u6bd4\u8f83\u5e7f\u7684\u4e00\u4e9b\u52a0\u5bc6\u65b9\u6cd5\u3002 \u51ef\u6492\u5bc6\u7801 (Caesar Cipher) 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