{"id":3681,"date":"2017-11-12T12:40:58","date_gmt":"2017-11-12T04:40:58","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3681"},"modified":"2017-11-12T12:40:58","modified_gmt":"2017-11-12T04:40:58","slug":"cissp%e5%ae%98%e6%96%b9%e5%ad%a6%e4%b9%a0%e6%8c%87%e5%8d%97%e7%ac%ac7%e7%89%88%e7%ac%ac6%e7%ab%a0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3681.html","title":{"rendered":"CISSP\u5b98\u65b9\u5b66\u4e60\u6307\u5357\u7b2c7\u7248#\u7b2c6\u7ae0"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"id-\u6a21\u677f-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u5907\u8003CISSP\uff0c\u5b66\u4e60\u3001\u6574\u7406\u5728\u770b\u300aCISSP\u5b98\u65b9\u5b66\u4e60\u6307\u5357\uff08\u7b2c7\u7248\uff09\u300b\u65f6\u7684\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u65b9\u4fbf\u4ee5\u540e\u5feb\u901f\u590d\u4e60\u3002<\/p>\n<h4 id=\"id-\u6a21\u677f-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<h5>\u7b2c6\u7ae0 \u5bc6\u7801\u5b66\u4e0e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5<\/h5>\n<h6>6.1 \u5bc6\u7801\u5b66\u5386\u53f2\u4e0a\u7684\u91cc\u7a0b\u7891<\/h6>\n<p>6.1.1 \u51ef\u6492\u5bc6\u7801\uff08\u51ef\u6492\u5bc6\u7801\u662f\u5355\u4e00\u5b57\u6bcd\u7684\u66ff\u4ee3\u7f6e\u6362\u5bc6\u7801\uff0c\u4e5f\u88ab\u79f0C3\u5bc6\u7801\u3002\uff09<\/p>\n<p>6.1.2 \u7f8e\u56fd\u5185\u6218<\/p>\n<p>6.1.3 Ultra\u4e0eEnigma<\/p>\n<h6>6.2 \u5bc6\u7801\u5b66\u57fa\u7840<\/h6>\n<p>6.2.1 \u5bc6\u7801\u5b66\u7684\u76ee\u6807<br \/>\n\u5b89\u5168\u4ece\u4e1a\u4eba\u5458\u5229\u7528\u5bc6\u7801\u7cfb\u7edf\u8fbe\u5230\u4e0b\u52174\u4e2a\u57fa\u672c\u76ee\u6807\uff1a<span style=\"color: #ff0000;\"><strong>\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u3001\u8eab\u4efd\u8ba4\u8bc1<\/strong><span style=\"color: #000000;\">\u548c<\/span><strong>\u4e0d\u53ef\u5426\u8ba4\u6027<\/strong><\/span>\u3002<span style=\"color: #ff0000;\">\u5b9e\u73b0\u6bcf\u4e2a\u76ee\u6807\u90fd\u9700\u8981\u6ee1\u8db3\u5f88\u591a\u8bbe\u8ba1\u9700\u6c42\uff0c\u5e76\u4e14\u4e0d\u662f\u6240\u6709\u7684\u52a0\u5bc6\u7cfb\u7edf\u90fd\u8981\u8fbe\u5230\u6240\u67094\u4e2a\u76ee\u6807\u3002<\/span><\/p>\n<p>1.\u673a\u5bc6\u6027<br \/>\n\u673a\u5bc6\u6027\u786e\u4fdd\u6570\u636e\u5728\u5b58\u50a8\u4e2d(\u4f8b\u5982\uff0c\u5b58\u50a8\u5728\u78c1\u76d8\u4e0a)\u6216\u5728\u4f20\u8f93\u4e2d(\u4f8b\u5982\uff0c\u5728\u4e24\u65b9\u6216\u591a\u65b9\u4e4b\u95f4\u4f20\u9012)\u4fdd\u6301\u79d8\u5bc6\u72b6\u6001\u3002<\/p>\n<p>2.\u5b8c\u6574\u6027<br 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\/>\n\u4e0d\u53ef\u5426\u8ba4\u6027\u4e3a\u63a5\u6536\u8005\u63d0\u4f9b\u4e86\u62c5\u4fdd\uff0c\u4fdd\u8bc1\u6d88\u606f\u786e\u5b9e\u6765\u81ea\u53d1\u9001\u8005\u800c\u4e0d\u662f\u6765\u81ea\u4f2a\u88c5\u6210\u53d1\u9001\u8005\u7684\u4eba\u3002\u4e0d\u53ef\u5426\u8ba4\u6027\u80fd\u591f\u9632\u6b62\u53d1\u9001\u8005\u5ba3\u79f0\u539f\u5148\u4ece\u672a\u53d1\u9001\u8fc7\u4fe1\u606f(\u4e5f\u88ab\u79f0\u4e3a\u5426\u8ba4\u6d88\u606f)\u3002<strong>\u79d8\u5bc6\u5bc6\u94a5(\u6216\u5bf9\u79f0\u5bc6\u94a5)\u5bc6\u7801\u7cfb\u7edf(\u5982\u7b80\u5355\u7684\u66ff\u4ee3\u5bc6\u7801)\u5e76\u4e0d\u63d0\u4f9b\u5bf9\u4e0d\u53ef\u5426\u8ba4\u6027\u7684\u4fdd\u8bc1\u3002<\/strong><\/p>\n<p>6.2.2 \u5bc6\u7801\u5b66\u6982\u5ff5<\/p>\n<p><strong><span style=\"color: #ff0000;\">\u6240\u6709\u5bc6\u7801\u5b66\u7b97\u6cd5\u90fd\u4f9d\u8d56\u5bc6\u94a5\u6765\u7ef4\u62a4\u5176\u5b89\u5168\u6027\u3002<\/span><\/strong>\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\uff0c\u5bc6\u94a5\u53ea\u4e0d\u8fc7\u662f\u4e00\u4e2a\u6570\u5b57\u3002\u5bc6\u94a5\u5f80\u5f80\u662f\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u4e8c\u8fdb\u5236\u6570\uff0c\u4e0d\u8fc7\u4ecd\u7136\u662f\u4e00\u4e2a\u6570\u5b57\u3002<br \/>\n<span style=\"color: #ff0000;\">\u4fdd\u62a4\u5bc6\u94a5\u7684\u5b89\u5168\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e8b\u5b9e\u4e0a\uff0c\u4ece\u5bc6\u7801\u5b66\u83b7\u5f97\u7684\u6240\u6709\u5b89\u5168\u6027\u5c31\u53ea\u80fd\u4f9d\u8d56\u4e8e\u4fdd\u8bc1\u79d8\u5bc6\u4f7f\u7528\u5bc6\u94a5\u7684\u80fd\u529b\u3002<\/span><\/p>\n<p>Kerchoff\u539f\u5219<br 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#ff0000;\">\u5355\u5411\u51fd\u6570\u662f\u4e00\u79cd\u6570\u5b66\u8fd0\u7b97\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u6240\u6709\u53ef\u80fd\u7684\u8f93\u5165\u503c\u7ec4\u5408\u5f97\u51fa\u7ed3\u679c\uff0c\u4f46\u662f\u53cd\u5411\u5f97\u51fa\u8f93\u5165\u503c\u5374\u662f\u4e0d\u53ef\u80fd\u7684\u3002<\/span>\u516c\u94a5\u5bc6\u7801\u7cfb\u7edf\u90fd\u5efa\u7acb\u5728\u5355\u5411\u51fd\u6570\u7684\u57fa\u7840\u4e0a\u3002\u4f46\u5b9e\u9645\u4e0a\uff0c\u4eba\u4eec\u4ece\u672a\u8bc1\u660e\u8fc7\u4efb\u4f55\u6307\u5b9a\u7684\u5df1\u77e5\u51fd\u6570\u786e\u5b9e\u662f\u5355\u5411\u7684\u3002\u5bc6\u7801\u5458\u4f9d\u8d56\u4e8e\u4ed6\u4eec\u8ba4\u5b9a\u7684\u5355\u5411\u51fd\u6570\uff0c\u4f46\u662f\u7406\u8bba\u4e0a\u5b83\u4eec\u53ef\u80fd\u4f1a\u88ab\u5c06\u6765\u7684\u5bc6\u7801\u5206\u6790\u4eba\u5458\u7834\u89e3\u3002\uff09<br \/>\n5.\u968f\u673a\u6570<br \/>\n6.\u96f6\u77e5\u8bc6\u8bc1\u660e<br \/>\n7.\u5206\u5272\u77e5\u8bc6\uff08\u5982\u679c\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\u6240\u9700\u7684\u4fe1\u606f\u6216\u6743\u9650\u5728\u591a\u4e2a\u7528\u6237\u4e4b\u95f4\u5206\u914d\u65f6\uff0c\u4efb\u4f55\u4e00\u4e2a\u4eba\u90fd\u6ca1\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u5371\u5bb3\u73af\u5883\u7684\u5b89\u5168\u6027\u3002<span style=\"color: #ff0000;\">\u5355\u4e2a\u89e3\u51b3\u65b9\u6848\u4e2d\u5305\u542b\u7684\u8fd9\u79cd\u804c\u8d23\u5206\u79bb\u548c\u4e24\u4eba\u63a7\u5236\u88ab\u79f0\u4e3a\u5206\u5272\u77e5\u8bc6\u3002<\/span>\uff09<br \/>\n8.\u5de5\u4f5c\u51fd\u6570<br \/>\n<span style=\"color: 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\u5bc6\u7801<\/p>\n<p>1.<strong>\u7f16\u7801\u4e0e\u5bc6\u7801<\/strong><br \/>\n\u4eba\u4eec\u5e38\u5e38\u5c06\u8bcd\u6c47&#8221;\u7f16\u7801&#8221;\u548c&#8221;\u5bc6\u7801&#8221;\u4e92\u6362\u4f7f\u7528\uff0c\u4f46\u662f\u4ece\u6280\u672f\u4e0a\u8bb2\uff0c\u5b83\u4eec\u662f\u4e0d\u80fd\u4e92\u6362\u7684\u3002\u5728\u8fd9\u4e24\u4e2a\u6982\u5ff5\u4e4b\u95f4\uff0c\u5b58\u5728\u5f88\u91cd\u8981\u7684\u5dee\u5f02\u3002<span style=\"color: #ff0000;\"><strong>\u7f16\u7801\u662f\u5bc6\u7801\u5b66\u7cfb\u7edf\u4e2d\u8868\u793a\u8bcd\u6c47\u6216\u77ed\u8bed\u7684\u7b26\u53f7\uff0c\u6709\u65f6\u662f\u79d8\u5bc6\u7684\uff0c\u4f46\u662f\u4e0d\u4e00\u5b9a\u63d0\u4f9b\u673a\u5bc6\u6027\u3002<\/strong><\/span><br \/>\n\u53e6\u4e00\u65b9\u9762\uff0c\u5bc6\u7801\u603b\u662f\u610f\u5473\u7740\u9690\u85cf\u6d88\u606f\u7684\u771f\u5b9e\u542b\u4e49\u3002<strong><span style=\"color: #ff0000;\">\u5bc6\u7801\u4f7f\u7528\u5404\u79cd\u6280\u672f\u4fee\u6539\u548c\/\u6216\u91cd\u65b0\u6392\u5217\u6d88\u606f\u4e2d\u7684\u5b57\u7b26\u6216\u6bd4\u7279\uff0c\u4ece\u800c\u5b9e\u73b0\u673a\u5bc6\u6027\u3002<\/span><\/strong><br \/>\n\u63d0\u793a\uff1a<br \/>\n\u8bb0\u4f4f\u7f16\u7801\u548c\u5bc6\u7801\u4e4b\u95f4\u5dee\u5f02\u7684\u4e00\u79cd\u7b80\u5355\u65b9\u6cd5\u662f\uff1a<span style=\"color: #ff0000;\"><strong>\u7f16\u7801\u9488\u5bf9\u8bcd\u6c47\u548c\u77ed\u8bed\uff0c\u800c\u5bc6\u7801\u5219\u9488\u5bf9\u5355\u72ec\u7684\u5b57\u7b26\u548c\u6bd4\u7279\u3002<\/strong><\/span><\/p>\n<p>2.<strong><span style=\"color: #ff0000;\">\u6362\u4f4d\u5bc6\u7801<\/span><\/strong><br \/>\n\u6362\u4f4d\u5bc6\u7801\u4f7f\u7528\u67d0\u79cd\u52a0\u5bc6\u7b97\u6cd5<span style=\"color: #ff0000;\"><strong>\u91cd\u65b0\u6392\u5217<\/strong><\/span>\u660e\u6587\u6d88\u606f\u4e2d\u7684\u5b57\u6bcd\uff0c\u4ece\u800c\u5f62\u6210\u5bc6\u6587\u6d88\u606f\u3002\u89e3\u5bc6\u7b97\u6cd5\u53ea\u9700\u53cd\u6f14\u52a0\u5bc6\u8f6c\u6362\u8fc7\u7a0b\u5c31\u53ef\u4ee5\u5f97\u5230\u539f\u59cb\u6d88\u606f\u3002<\/p>\n<p>3.<span style=\"color: #ff0000;\"><strong>\u66ff\u4ee3\u5bc6\u7801<\/strong><\/span>\uff08\u6bd4\u5982\uff1a\u5355\u5b57\u6bcd\u66ff\u4ee3\u5bc6\u7801\u2014\u2014\u51ef\u6492\u5bc6\u7801\uff1b\u591a\u5b57\u6bcd\u66ff\u4ee3\u5bc6\u7801\u7684\u4e00\u4e2a\u8457\u540d\u793a\u4f8b\u662fVigenere\u5bc6\u7801\uff09<br \/>\n\u66ff\u4ee3\u5bc6\u7801\u4f7f\u7528\u52a0\u5bc6\u7b97\u6cd5\u5c06\u660e\u6587\u6d88\u606f\u4e2d\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\u6216\u6bd4\u7279\u90fd<span style=\"color: #ff0000;\"><strong>\u66ff\u6362<\/strong><\/span>\u4e3a\u4e0d\u540c\u7684\u5b87\u7b26\u3002<\/p>\n<p>4.<strong>\u4e00\u6b21\u6027\u586b\u5145<\/strong>\uff08<span style=\"color: #ff0000;\"><strong>\u4e00\u6b21\u6027\u586b\u5145\u4e5f\u88ab\u79f0\u4e3aVemam\u5bc6\u7801<\/strong><\/span>\uff09<br \/>\n\u4e00\u6b21\u6027\u586b\u5145\u662f\u4e00\u79cd\u6781\u4e3a\u5f3a\u5927\u7684\u66ff\u4ee3\u5bc6\u7801\u3002\u4e00\u6b21\u6027\u586b\u5145\u5bf9\u660e\u6587\u6d88\u606f\u7684\u6bcf\u4e2a\u5b57\u6bcd\u90fd\u4f7f\u7528\u4e00\u4e2a\u4e0d\u540c\u7684\u5b57\u6bcd\u8868\u3002<br \/>\n<span style=\"color: #ff0000;\">\u4e00\u6b21\u6027\u586b\u5145\u4e00\u76f4\u88ab\u7528\u4e8e\u4fdd\u62a4\u6781\u5176\u654f\u611f\u7684\u901a\u4fe1<\/span>\uff0c\u4e0d\u80fd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e3b\u8981\u969c\u788d\u662f\u5f88\u96be\u751f\u6210\uff0c\u4ee5\u53ca\u5206\u53d1\u548c\u4fdd\u62a4\u6240\u9700\u7684\u5197\u957f\u5bc6\u94a5\u3002<strong><span style=\"color: #ff0000;\">\u7531\u4e8e\u5bc6\u94a5\u7684\u957f\u5ea6\u95ee\u9898\uff0c\u4e00\u6b21\u6027\u586b\u5145\u5728\u5b9e\u9645\u4e2d\u53ea\u53ef\u7528\u4e8e\u77ed\u6d88\u606f\u3002<\/span><\/strong><\/p>\n<p>5.<strong>\u6eda\u52a8\u5bc6\u94a5\u5bc6\u7801\uff08\u4e5f\u88ab\u79f0\u4e3a\u4e66\u7c4d\u5bc6\u7801\uff09<\/strong><br \/>\n\u5728\u8fd9\u79cd\u5bc6\u7801\u4e2d\uff0c\u52a0\u5bc6\u5bc6\u94a5\u4e0e\u6d88\u606f\u672c\u8eab\u4e00\u6837\u957f\uff0c\u5e76\u4e14\u5f80\u5f80\u4ece\u4e00\u822c\u7684\u4e66\u7c4d\u4e2d\u9009\u53d6\u3002<\/p>\n<p>6.\u5206\u7ec4\u5bc6\u7801<br \/>\n\u5206\u7ec4\u5bc6\u7801\u6309\u6d88\u606f\u7684&#8221;\u7ec4\u5757&#8221;\u6216\u5206\u7ec4\u8fdb\u884c\u64cd\u4f5c\uff0c\u5e76\u4e14\u5bf9\u6574\u4e2a\u6d88\u606f\u5206\u7ec4\u540c\u65f6\u5e94\u7528\u52a0\u5bc6\u7b97\u6cd5\u3002<strong>\u6362\u4f4d\u5bc6\u7801\u5c31\u662f\u5206\u7ec4\u5bc6\u7801\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002<\/strong><\/p>\n<p>7.\u6d41\u5bc6\u7801<br \/>\n\u6d41\u5bc6\u7801\u5bf9\u6d88\u606f\u3001(\u6216\u6570\u636e\u6d41)\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u6216\u6bcf\u4e00\u4f4d\u8fdb\u884c\u64cd\u4f5c\uff0c\u6bcf\u6b21\u53ea\u5904\u7406\u4e00\u4e2a\u5b57\u7b26\/\u4e00\u4f4d\u3002<strong>\u51ef\u6492\u5bc6\u7801\u5c31\u662f\u6d41\u5bc6\u7801\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002\u4e00\u6b21\u6027\u586b\u5145\u4e5f\u662f\u4e00\u79cd\u6d41\u5bc6\u7801\uff0c\u8fd9\u662f\u56e0\u4e3a\u8be5\u7b97\u6cd5\u5bf9\u660e\u6587\u4fe1\u606f\u4e2d\u7684\u6bcf\u4e2a\u5b87\u7b26\u72ec\u7acb\u8fdb\u884c\u64cd\u4f5c\u3002<\/strong>\u6d41\u5bc6\u7801\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u5206\u7ec4\u5bc6\u7801\u4f7f\u7528\u3002\u5728\u6b64\u7c7b\u60c5\u51b5\u4e0b\uff0c\u67d0\u4e2a\u7f13\u51b2\u533a\u88ab\u586b\u6ee1\u5b9e\u65f6\u6570\u636e\uff0c\u968f\u540e\u8fd9\u4e9b\u6570\u636e\u4f5c\u4e3a\u5206\u7ec4\u8fdb\u884c\u52a0\u5bc6\u4e95\u4f20\u9001\u7ed9\u63a5\u6536\u65b9\u3002<\/p>\n<p>8.\u6df7\u6dc6\u4e0e\u6269\u6563<br \/>\n<strong>\u5bc6\u7801\u5b66\u7b97\u6cd5\u4f9d\u9760\u4e24\u79cd\u57fa\u672c\u7684\u64cd\u4f5c\u6765\u9690\u85cf\u660e\u6587\u4fe1\u606f\uff1a<span style=\"color: #ff0000;\">\u6df7\u6dc6<\/span>\u4e0e<span style=\"color: #ff0000;\">\u6269\u6563<\/span>\u3002\u6df7\u6dc6\u51fa\u73b0\u5728\u660e\u6587\u548c\u5bc6\u94a5\u7684\u5173\u7cfb\u5341\u5206\u590d\u6742\u65f6\uff0c\u6b64\u65f6\u653b\u51fb\u8005\u4e0d\u80fd\u901a\u8fc7\u7ee7\u7eed\u4fee\u6539\u660e\u6587\u548c\u5206\u6790\u4ea7\u751f\u7684\u5bc6\u6587\u6765\u786e\u5b9a\u5bc6\u94a5\u3002\u6269\u6563\u51fa\u73b0\u5728\u660e\u6587\u7684\u6539\u53d8\u5bfc\u81f4\u591a\u79cd\u53d8\u5316\u65f6\uff0c\u8fd9\u4e9b\u53d8\u5316\u88ab\u6269\u6563\u5230\u6574\u4e2a\u5bc6\u6587\u4e2d\u3002<\/strong><\/p>\n<h6>6.3 \u73b0\u4ee3\u5bc6\u7801\u5b66<\/h6>\n<p>6.3.1 \u5bc6\u94a5<br \/>\n<span style=\"color: #ff0000;\">\u73b0\u4ee3\u5bc6\u7801\u7cfb\u7edf\u5e76\u4e0d\u4f9d\u8d56\u4e8e\u5176\u7b97\u6cd5\u7684\u5b89\u5168\u6027\u3002<\/span>\u73b0\u4ee3\u5bc6\u7801\u7cfb\u7edf\u4e0d\u4f9d\u8d56\u4e8e\u4fdd\u5bc6\u7684\u7b97\u6cd5\uff0c\u800c\u662f\u4f9d\u8d56\u4e8e\u5177\u4f53\u7684\u7528\u6237\u6216\u7528\u6237\u7ec4\u4e13\u7528\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u5bc6\u94a5\u3002<\/p>\n<p><strong>6.3.2 \u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5<\/strong><br \/>\n<span style=\"color: #ff0000;\">\u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5\u4f9d\u8d56\u4e8e\u4e00\u4e2a&#8221;\u5171\u4eab\u7684\u79d8\u5bc6&#8221;\u52a0\u5bc6\u5bc6\u94a5\uff0c\u8be5\u5bc6\u94a5\u4f1a\u88ab\u5206\u53d1\u7ed9\u6240\u6709\u53c2\u4e0e\u901a\u4fe1\u7684\u6210\u5458\u3002<\/span><\/p>\n<p>\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u5b66\u5177\u6709\u4e0b\u5217\u51e0\u4e2a\u5f31\u70b9\uff1a<\/p>\n<ul>\n<li><strong><span style=\"color: #ff0000;\">\u5bc6\u94a5\u5206\u53d1\u662f\u4e00\u4e2a\u4e3b\u8981\u95ee\u9898\u3002<\/span><\/strong>\u5728\u4f7f\u7528\u5bf9\u79f0\u5bc6\u94a5\u534f\u8bae\u5efa\u7acb\u901a\u4fe1\u4e4b\u524d\uff0c\u901a\u4fe1\u53c2\u4e0e\u8005\u5fc5\u987b\u5177\u5907\u4e00\u79cd\u5b89\u5168\u4ea4\u6362\u5bc6\u94a5\u7684\u65b9\u6cd5\u3002\u5982\u679c\u6ca1\u6709\u53ef\u7528\u7684\u5b89\u5168\u7535\u5b50\u901a\u9053\uff0c\u90a3\u4e48\u5f80\u5f80\u5fc5\u987b\u4f7f\u7528\u79bb\u7ebf\u7684\u5bc6\u94a5\u5206\u53d1\u65b9\u6cd5(\u5df2\u4e0d\u5c5e\u4e8e\u4ea4\u6362)\u3002<\/li>\n<li><span style=\"color: #ff0000;\"><strong>\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u5b66\u5e76\u672a\u5b9e\u73b0\u4e0d\u53ef\u5426\u8ba4\u6027\u3002<\/strong><\/span>\u7531\u4e8e\u4efb\u610f\u901a\u4fe1\u65b9\u90fd\u53ef\u4ee5\u5229\u7528\u5171\u4eab\u7684\u5bc6\u94a5\u5bf9\u6d88\u606f\u8fdb\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\uff0c\u56e0\u6b64\u65e0\u6cd5\u5206\u8fa8\u6307\u5b9a\u6d88\u606f\u7684\u6765\u6e90\u3002<\/li>\n<li>\u8fd9\u79cd\u7b97\u6cd5<strong>\u4e0d\u53ef\u6269\u5c55\u3002<\/strong>\u5bf9\u4e8e\u5927\u7684\u7528\u6237\u7ec4\u6765\u8bf4\uff0c\u4f7f\u7528\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u8fdb\u884c\u901a\u4fe1\u975e\u5e38\u56f0\u96be\u3002\u53ea\u6709\u5728\u6bcf\u4e2a\u53ef\u80fd\u7684\u7528\u6237\u7ec4\u5408\u5171\u4eab\u79c1\u6709\u5bc6\u94a5\u65f6\uff0c\u7ec4\u4e2d\u4e2a\u4eba\u4e4b\u95f4\u7684\u5b89\u5168\u4e13\u6709\u901a\u4fe1\u624d\u80fd\u5b9e\u73b0\u3002<\/li>\n<li><span style=\"color: #ff0000;\"><strong>\u5bc6\u94a5\u5fc5\u987b\u7ecf\u5e38\u66f4\u65b0\u3002<\/strong><\/span>\u6bcf\u5f53\u6709\u6210\u5458\u79bb\u5f00\u7528\u6237\u7ec4\u65f6\uff0c\u6240\u6709\u6d89\u53ca\u8fd9\u4e2a\u6210\u5458\u7684\u5bc6\u94a5\u90fd\u5fc5\u987b\u88ab\u629b\u5f03\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u5b66\u7684\u4f18\u70b9\u5728\u4e8e\uff1a\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u5b66\u7684\u4e3b\u8981\u5f3a\u5ea6\u5728\u4e8e\u80fd\u591f\u4ee5\u6781\u5feb\u7684\u901f\u5ea6\u8fdb\u884c\u64cd\u4f5c\u3002\u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5\u7684\u901f\u5ea6\u5f88\u5feb\uff0c\u901a\u5e38\u662f\u975e\u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5\u7684 1000\u500d \u5230 10000\u500d \u4e4b\u95f4\u3002<\/p>\n<p><strong>6.3.3 \u975e\u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5<\/strong><br \/>\n\u975e\u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5\u4e5f\u88ab\u79f0\u4e3a\u516c\u94a5\u7b97\u6cd5\uff0c\u5b83\u4e3a\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6\u7684\u5f31\u70b9\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u4e0b\u9762\u5217\u51fa\u4e86\u975e\u5bf9\u79f0\u5bc6\u94a5\u5bc6\u7801\u5b66\u7684\u4e3b\u8981\u4f18\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u589e\u52a0\u65b0\u7528\u6237\u53ea\u9700\u8981\u751f\u6210\u4e00\u5bf9\u516c\u94a5-\u79c1\u94a5\u5bf9\u3002<\/strong>\u8fd9\u4e2a\u65b0\u7528\u6237\u4e0e\u975e\u5bf9\u79f0\u5bc6\u7801\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u7528\u6237\u901a\u4fe1\u65f6\u90fd\u4f7f\u7528\u8fd9\u5bf9\u76f8\u540c\u7684\u5bc6\u94a5\uff0c\u4ece\u800c\u4f7f\u5f97\u7b97\u6cd5\u975e\u5e38\u5bb9\u6613\u6269\u5c55\u3002<\/li>\n<li><strong>\u4ece\u975e\u5bf9\u79f0\u7cfb\u7edf\u4e2d\u66f4\u5bb9\u6613\u5220\u9664\u7528\u6237\u3002<\/strong>\u975e\u5bf9\u79f0\u7b97\u6cd5\u63d0\u4f9b\u4e86\u4e00\u79cd\u5bc6\u94a5\u64a4\u6d88\u673a\u5236\uff0c\u8fd9\u4e2a\u673a\u5236\u51c6\u8bb8\u5bc6\u94a5\u88ab\u53d6\u6d88\uff0c\u4ece\u800c\u80fd\u591f\u6709\u6548\u5730\u4ece\u975e\u5bf9\u79f0\u7cfb\u7edf\u4e2d\u5220\u9664\u7528\u6237\u3002<\/li>\n<li><strong>\u53ea\u6709\u5728\u7528\u6237\u7684\u79c1\u94a5\u88ab\u7834\u574f\u65f6\uff0c\u624d\u9700\u8981\u8fdb\u884c\u5bc6\u94a5\u91cd\u5efa\u3002<\/strong>\u5982\u679c\u67d0\u4f4d\u7528\u6237\u79bb\u5f00\u4e86\u516c\u53f8\uff0c\u90a3\u4e48\u7cfb\u7edf\u7ba1\u7406\u5458\u53ea\u9700\u8981\u7b80\u5355\u5730\u5c06\u8be5\u7528\u6237\u7684\u5bc6\u94a5\u4f5c\u5e9f\u5373\u53ef\u3002\u5176\u4ed6\u5bc6\u94a5\u90fd\u4e0d\u4f1a\u88ab\u7834\u574f\uff0c\u56e0\u6b64\u5176\u4ed6\u7528\u6237\u90fd\u4e0d\u9700\u8981\u8fdb\u884c\u5bc6\u94a5\u91cd\u5efa\u3002<\/li>\n<li><span style=\"color: #ff0000;\"><strong>\u975e\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6\u63d0\u4f9b\u4e86\u5b8c\u6574\u6027\u3001\u8eab\u4efd\u8ba4\u8bc1\u548c\u4e0d\u53ef\u5426\u8ba4\u6027\u3002<\/strong><\/span>\u5982\u679c\u67d0\u4f4d\u7528\u6237\u6ca1\u6709\u4e0e\u5176\u4ed6\u4e2a\u4f53\u5171\u4eab\u5176\u79c1\u94a5\uff0c\u90a3\u4e48\u5177\u6709\u8be5\u7528\u6237\u7b7e\u540d\u7684\u6d88\u606f\u5c31\u662f\u6b63\u786e\u65e0\u8bef\u7684\uff0c\u5e76\u4e14\u5177\u6709\u7279\u5b9a\u7684\u6765\u6e90\uff0c\u5728\u4ee5\u540e\u7684\u4efb\u4f55\u65f6\u523b\u90fd\u4e0d\u80fd\u88ab\u5426\u8ba4\u3002<\/li>\n<li><strong>\u5bc6\u94a5\u5206\u53d1\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\u3002<\/strong>\u5e0c\u671b\u52a0\u5165\u975e\u5bf9\u79f0\u5bc6\u7801\u7cfb\u7edf\u7684\u7528\u6237\uff0c\u53ea\u9700\u8981\u4f7f\u4ed6\u4eec\u7684\u516c\u94a5\u5bf9\u4e8e\u6240\u6709\u4e0e\u4ed6\u4eec\u8fdb\u884c\u901a\u4fe1\u7684\u4eba\u6765\u8bf4\u53ef\u7528\u5c31\u53ef\u4ee5\u4e86\u3002\u76ee\u524d\u5c1a\u65e0\u529e\u6cd5\u4ece\u516c\u94a5\u5bfc\u51fa\u79c1\u94a5\u3002<\/li>\n<li><strong>\u4e0d\u9700\u8981\u9884\u5148\u5b58\u5728\u901a\u4fe1\u94fe\u63a5\u3002<\/strong>\u4e24\u4e2a\u4e2a\u4f53\u53ef\u4ee5\u4ece\u901a\u4fe1\u4e00\u5f00\u59cb\u5c31\u8fdb\u884c\u5b89\u5168\u7684\u901a\u4fe1\u3002\u975e\u5bf9\u79f0\u5bc6\u7801\u5b66\u5e76\u4e0d\u8981\u6c42\u9884\u5148\u5b58\u5728\u80fd\u591f\u63d0\u4f9b\u5b89\u5168\u6570\u636e\u4ea4\u6362\u673a\u5236\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<p>\u516c\u94a5\u5bc6\u7801\u5b66\u7684\u4e3b\u8981\u5f31\u70b9\u662f\u8fd0\u7b97\u901f\u5ea6\u6162\u3002\u56e0\u6b64\uff0c\u5f88\u591a\u9700\u8981\u5b89\u5168\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\u7a0b\u5e8f\u4f1a\u4f7f\u7528\u516c\u94a5\u5bc6\u7801\u5b66\u5efa\u7acb\u8fde\u63a5\uff0c\u7136\u540e\u4ea4\u6362\u5bf9\u79f0\u5bc6\u94a5\u3002\u4f1a\u8bdd\u4efb\u52a1\u7684\u5269\u4f59\u90e8\u5206\u968f\u540e\u6765\u7528\u5bf9\u79f0\u5bc6\u7801\u5b66\u5f00\u59cb\u8fd0\u4f5c\u3002<\/p>\n<p>6.3.4 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style=\"color: #ff0000;\"><strong>\u5728\u4f7f\u7528CBC\u6a21\u5f0f\u65f6\uff0c\u9700\u8981\u8003\u8651\u7684\u4e00\u4e2a\u91cd\u8981\u95ee\u9898\u662f\u9519\u8bef\u4f20\u64ad\uff0c\u4e5f\u5c31\u662f\u5982\u679c\u4e00\u4e2a\u5206\u7ec4\u5728\u4f20\u8f93\u4e2d\u88ab\u7834\u574f\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5206\u7ec4\u5c06\u65e0\u6cd5\u89e3\u5bc6\uff0c\u5e76\u4e14\u4e0b\u4e00\u4e2a\u5206\u7ec4\u4e5f\u662f\u5982\u6b64\u3002<\/strong><\/span><\/p>\n<p><strong>3.\u5bc6\u7801\u56de\u9988\u6a21\u5f0f<\/strong><br \/>\n<span style=\"color: #ff0000;\">\u5bc6\u7801\u56de\u9988(CFB)\u6a21\u5f0f\u662f\u6d41\u5bc6\u7801\u5f62\u5f0f\u7684CBC\u3002<\/span>\u6362\u53e5\u8bdd\u8bf4\uff0cCFB\u9488\u5bf9\u5b9e\u65f6\u751f\u6210\u7684\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002\u4e0d\u8fc7\uff0cCFB\u5e76\u4e0d\u5c06\u6d88\u606f\u5206\u4e3a\u82e5\u5e72\u5206\u7ec4\uff0c\u800c\u662f\u4f7f\u7528\u76f8\u540c\u5206\u7ec4\u5927\u5c0f\u7684\u5185\u5b58\u7f13\u51b2\u533a\u3002\u5728\u7f13\u51b2\u533a\u88ab\u586b\u6ee1\u65f6\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u5e76\u53d1\u9001\u7ed9\u63a5\u6536\u65b9\u3002\u63a5\u7740\uff0c\u7cfb\u7edf\u7b49\u5f85\u4e0b\u4e00\u4e2a\u7f13\u51b2\u533a\u88ab\u65b0\u751f\u6210\u7684\u6570\u636e\u586b\u6ee1\uff0c\u7136\u540e\u7ee7\u7eed\u8fdb\u884c\u52a0\u5bc6\u548c\u4f20\u8f93\u3002\u9664\u4e86\u5c06\u5148\u524d\u5b58\u5728\u7684\u6570\u636e\u53d8\u5316\u4e3a\u5b9e\u65f6\u6570\u636e\uff0cCFB\u7684\u64cd\u4f5c\u65b9\u5f0f\u4e0eCBC\u4e00\u6837\uff0c\u4e5f\u4f7f\u7528\u4e86IV\u548c\u94fe\u63a5\u3002<\/p>\n<p><strong>4.\u8f93\u51fa\u56de\u9988\u6a21\u5f0f<\/strong><br \/>\n\u5728\u8f93\u51fa\u56de\u9988(OFB)\u6a21\u5f0f\u4e2d\uff0cDES\u7684\u64cd\u4f5c\u6837\u5f0f\u51e0\u4e4e\u4e0e\u5728CFB\u6a21\u5f0f\u4e2d\u7684\u64cd\u4f5c\u6837\u5f0f\u5b8c\u5168\u76f8\u540c\u3002\u4e0d\u8fc7\uff0cDES\u5e76\u4e0d\u5c06\u660e\u6587\u5206\u7ec4\u4e0e\u524d\u4e00\u4e2a\u5bc6\u6587\u5206\u7ec4\u7684\u52a0\u5bc6\u7248\u672c\u76f8\u5f02\u6216\uff0c\u800c\u662f\u5c06\u660e\u6587\u4e0e\u67d0\u4e2a\u79cd\u5b50\u503c\u76f8\u5f02\u6216\u3002\u5bf9\u4e8e\u7b2c\u4e00\u4e2a\u88ab\u52a0\u5bc6\u7684\u5206\u7ec4\u6765\u8bf4\uff0c\u521d\u59cb\u5411\u91cf\u88ab\u7528\u4e8e\u521b\u5efa\u79cd\u5b50\u503c\u3002\u901a\u8fc7\u5bf9\u5148\u524d\u7684\u79cd\u5b50\u503c\u8fd0\u884cDES\u7b97\u6cd5\uff0c\u5c31\u53ef\u4ee5\u6d3e\u751f\u51fa\u4e4b\u540e\u7684\u79cd\u5b50\u503c\u3002<span style=\"color: #ff0000;\"><strong>OFB\u6a21\u5f0f\u7684\u4e3b\u8981\u4f18\u70b9\u662f\u4e0d\u5b58\u5728\u94fe\u63a5\u529f\u80fd\uff0c\u5e76\u4e14\u4f20\u8f93\u9519\u8bef\u4e0d\u4f1a\u901a\u8fc7\u4f20\u64ad\u5f71\u54cd\u4e4b\u540e\u5206\u7ec4\u7684\u89e3\u5bc6\u3002<\/strong><\/span><\/p>\n<p><strong>5.\u8ba1\u6570\u6a21\u5f0f<\/strong><br \/>\n\u5728\u8ba1\u6570(CTR)\u6a21\u5f0f\u4e2d\u8fd0\u884c\u7684DES\u4f7f\u7528\u7684\u6d41\u5bc6\u7801\uff0c\u7c7b\u4f3c\u4e8e\u5728CFB\u548cOFB\u6a21\u5f0f\u4e2d\u4f7f\u7528\u7684\u6d41\u5bc6\u7801\u3002\u4e0d\u8fc7\uff0c\u8fd9\u79cd\u6a21\u5f0f\u5e76\u4e0d\u6839\u636e\u524d\u4e00\u4e2a\u79cd\u5b50\u503c\u7684\u7ed3\u679c\u4e3a\u6bcf\u4e2a\u52a0\u5bc6\/\u89e3\u5bc6\u64cd\u4f5c\u521b\u5efa\u79cd\u5b50\u503c\uff0c\u800c\u662f\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u3001\u6bcf\u6b21\u64cd\u4f5c\u540e\u90fd\u589e\u52a0\u7684\u8ba1\u6570\u3002<strong><span style=\"color: #ff0000;\">\u4e0eOFB\u6a21\u5f0f\u4e00\u6837\uff0cCTR\u6a21\u5f0f\u4e2d\u4e5f\u4e0d\u4f20\u64ad\u9519\u8bef\u3002<\/span>\u63d0\u793a\uff1aCTR\u6a21\u5f0f\u5141\u8bb8\u5c06\u4e00\u4e2a\u52a0\u5bc6\u6216\u89e3\u5bc6\u64cd\u4f5c\u5206\u89e3\u4e3a\u591a\u4e2a\u72ec\u7acb\u7684\u6b65\u9aa4\uff0c\u8fd9\u4f7f\u5f97\u8be5\u6a21\u5f0f\u7279\u522b\u9002\u7528\u4e8e\u5e76\u884c\u8ba1\u7b97\u3002<\/strong><\/p>\n<p><strong>6.4.2 \u4e09\u91cd\u6570\u636e\u52a0\u5bc6\u7b97\u6cd5(3DES)<\/strong><\/p>\n<p>3DES\u5177\u67094\u79cd\u7248\u672c\u3002<\/p>\n<p>\u7b2c1\u79cd\u7248\u672c\u53ea\u662f\u4f7f\u7528\u4e09\u4e2a\u4e0d\u540c\u7684\u5bc6\u94a5(K1\u3001K2\u548cK3)\u5bf9\u660e\u6587\u52a0\u5bc6\u4e09\u6b21\u3002\u5b83\u88ab\u79f0\u4e3aDES-EEE3\u6a21\u5f0f(\u4e09\u4e2aE\u8868\u793a\u5b58\u5728\u4e09\u4e2a\u52a0\u5bc6\u64cd\u4f5c\uff0c\u800c\u6570\u5b573\u8868\u793a\u4f7f\u7528\u4e09\u4e2a\u4e0d\u540c\u7684\u5bc6\u94a5)\u3002DES-EEE3\u5177\u6709\u7684\u5bc6\u94a5\u7684\u6709\u6548\u957f\u5ea6\u4e3a168\u4f4d\u3002<br \/>\n\u7b2c2\u79cd3DES\u7248\u672cDES-EDE3\u4e5f\u4f7f\u7528\u4e09\u4e2a\u5bc6\u94a5\uff0c\u4f46\u662f\u5c06\u7b2c\u4e8c\u4e2a\u52a0\u5bc6\u64cd\u4f5c\u66ff\u6362\u4e3a\u89e3\u5bc6\u64cd\u4f5c\u3002<br \/>\n\u7b2c3\u79cd3DES\u7248\u672cDES-EEE2\u53ea\u4f7f\u7528\u4e24\u4e2a\u5bc6\u94a5K1\u548cK2\u3002<br \/>\n\u7b2c4\u79cd3DES\u7248\u672cDES-EDE2\u4e5f\u4f7f\u7528\u4e24\u4e2a\u5bc6\u94a5\uff0c\u4f46\u662f\u5728\u4e2d\u95f4\u4f7f\u7528\u4e00\u4e2a\u89e3\u5bc6\u64cd\u4f5c\u3002<br \/>\n\u5176\u4e2d\uff0c\u7b2c3\u79cd\u548c\u7b2c4\u79cd3DES\u7248\u672c\u5177\u6709\u7684\u5bc6\u94a5\u7684\u6709\u6548\u957f\u5ea6\u90fd\u4e3a112\u4f4d\u3002<\/p>\n<p><strong>6.4.3 \u56fd\u9645\u6570\u636e\u52a0\u5bc6\u7b97\u6cd5(IDEA)<\/strong><br \/>\n<span style=\"color: #ff0000;\"><strong>\u56fd\u9645\u6570\u636e\u52a0\u5bc6\u7b97\u6cd5(IDEA)\u7684\u5206\u7ec4\u5bc6\u7801\u662f\u9488\u5bf9DES\u7b97\u6cd5\u7684\u5bc6\u94a5\u957f\u5ea6\u4e0d\u591f\u800c\u5f00\u53d1\u7684\u3002<\/strong><\/span>\u4e0eDES\u4e00\u6837\uff0cIDEA\u5bf964\u4f4d\u7684\u660e\u6587\/\u5bc6\u6587\u5206\u7ec4\u8fdb\u884c\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u56fd\u9645\u6570\u636e\u52a0\u5bc6\u7b97\u6cd5\u91c7\u7528128\u4f4d\u7684\u5bc6\u94a5\u8fdb\u884c\u64cd\u4f5c\u3002\u8fd9\u4e2a\u5bc6\u94a5\u968f\u540e\u5728\u4e00\u7cfb\u5217\u64cd\u4f5c\u4e2d\u88ab\u5206\u89e3\u621052\u4e2a16\u4f4d\u7684\u5b50\u5bc6\u94a5\u3002\u8fd9\u4e9b\u5b50\u5bc6\u94a5\u63a5\u7740\u4f7f\u7528\u5f02\u6216\u548c\u6a21\u8fd0\u7b97\u7684\u7ec4\u5408\u5bf9\u8f93\u5165\u7684\u6587\u672c\u8fdb\u884c\u64cd\u4f5c\uff0c\u4ece\u800c\u751f\u6210\u8f93\u5165\u6d88\u606f\u7684\u52a0\u5bc6\/\u89e3\u5bc6\u7248\u672c\u3002IDEA\u80fd\u591f\u5728DES\u4f7f\u7528\u76844\u79cd\u6a21\u5f0f(ECB\u3001CBC\u3001CFB\u548cOFB)\u4e2d\u5de5\u4f5c\u3002<\/p>\n<p>6.4.4 Blowfish<br \/>\nBruce Schneier \u7684 Blowfish \u5206\u7ec4\u5bc6\u7801\u662fDES\u548cIDEA\u7684\u53e6\u4e00\u79cd\u9009\u62e9\u3002\u4e0e\u5b83\u7684\u8fd9\u4e9b\u524d\u8f88\u4eec\u4e00\u6837\uff0cBlowfish\u5bf964\u4f4d\u6587\u672c\u5206\u7ec4\u8fdb\u884c\u64cd\u4f5c\u3002\u7136\u800c\uff0c<strong><span style=\"color: #ff0000;\">Blowfish\u6269\u5c55\u4e86IDEA\u7684\u5bc6\u94a5\u5f3a\u5ea6\uff0c\u751a\u81f3\u51c6\u8bb8\u4f7f\u7528\u53d8\u957f\u5bc6\u94a5<\/span>\uff0c\u8303\u56f4\u4ece\u76f8\u5bf9\u4e0d\u5b89\u5168\u768432\u4f4d\u5230\u76f8\u5f53\u96be\u7834\u89e3\u7684448\u4f4d\u3002<\/strong><\/p>\n<p>6.4.5 Skipjack<br \/>\nSkipjack\u7b97\u6cd5\u7531\u7f8e\u56fd\u653f\u5e9c\u5728\u8054\u90a6\u4fe1\u606f\u5904\u7406\u6807\u51c6(FederalInformationProcessingStdard\uff0cFIPS)185\uff0c\u5373\u6258\u7ba1\u52a0\u5bc6\u6807\u51c6\u8bc1\u4e66(EscrowedEncryptionStandard\uff0cEES)\u4e2d\u6279\u51c6\u4f7f\u7528\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>6.4.6 \u9ad8\u7ea7\u52a0\u5bc6\u6807\u51c6(AES)<\/strong><\/span><br \/>\n<strong>2000\u5e7410\u6708\uff0c\u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u548c\u6280\u672f\u534f\u4f1a(NIST)\u5ba3\u5e03Rijndael(\u53d1\u97f3\u4e3a&#8221;rhine-doll&#8221;)\u5206\u7ec4\u5bc6\u7801\u5df1\u7ecf\u88ab\u9009\u4e2d\u6210\u4e3aDES\u7684\u66ff\u4ee3\u6807\u51c6\u3002<\/strong>\u5728\u540c\u5e74\u768412\u6708\uff0c\u7f8e\u56fd\u5546\u52a1\u90e8\u957f\u6279\u51c6\u4e86FIPS197\uff0c\u5b83\u8981\u6c42\u4f7f\u7528AES\/Rijndael\u5bf9\u6240\u6709\u654f\u611f\u4f46\u672a\u88ab\u7f8e\u56fd\u653f\u5e9c\u5206\u7c7b\u7684\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>AES\u5bc6\u7801\u51c6\u8bb8\u4f7f\u7528\u4e09\u79cd\u5bc6\u94a5\u5f3a\u5ea6\uff1a128\u4f4d\u3001192\u4f4d\u548c256\u4f4d\u3002<\/strong><\/span>AES\u6700\u521d\u7684\u89c4\u8303\u652f\u6301128\u4f4d\u5206\u7ec4\u7684\u5904\u7406\uff0c\u4f46\u662fRijndael\u8d85\u51fa\u4e86\u8fd9\u4e2a\u89c4\u8303\uff0c\u5b83\u51c6\u8bb8\u5bc6\u7801\u5b66\u5bb6\u4f7f\u7528\u4e0e\u5bc6\u94a5\u957f\u5ea6\u76f8\u7b49\u7684\u5206\u7ec4\u5927\u5c0f\u3002\u5982\u4e0b\u6240\u793a\uff0c\u52a0\u5bc6\u7684\u8f6e\u6570\u4f9d\u8d56\u4e8e\u6240\u8fb9\u7684\u5bc6\u94a5\u957f\u5ea6\uff1a<br \/>\n\u2022128\u4f4d\u5bc6\u94a5\u9700\u898110\u8f6e\u52a0\u5bc6\u3002<br \/>\n\u2022192\u4f4d\u5bc6\u94a5\u9700\u898112\u8f6e\u52a0\u5bc6\u3002<br \/>\n\u2022256\u4f4d\u5bc6\u94a5\u9700\u898114\u8f6e\u52a0\u5bc6\u3002<\/p>\n<p><strong>Twofish\u7b97\u6cd5<\/strong><br \/>\n\u7531Bruce Schneier(\u4e5f\u662fBlowfish\u7684\u521b\u5efa\u8005)\u5f00\u53d1\u7684 Twofish\u7b97\u6cd5 \u662fAES\u7684\u53e6\u4e00\u79cd\u9009\u62e9\u3002\u4e0eRinjdael\u4e00\u6837\uff0cTwofish\u4e5f\u662f\u4e00\u79cd\u5206\u7ec4\u5bc6\u7801\u3002\u8fd9\u79cd\u7b97\u6cd5\u5904\u7406128\u4f4d\u7684\u6570\u636e\u5206\u7ec4\uff0c\u5e76\u4e14\u80fd\u591f\u4f7f\u7528\u957f\u5ea6\u6700\u5927\u4e3a256\u4f4d\u7684\u5bc6\u94a5\u3002<br \/>\n<span style=\"color: #ff0000;\">Twofish\u5229\u7528\u4e86\u5176\u4ed6\u7b97\u6cd5\u6240\u6ca1\u6709\u7684\u4e24\u79cd\u6280\u672f\uff1a<\/span><br \/>\n\u2022<strong>\u9884\u767d\u566a\u58f0\u5316(prewhitening)<\/strong>\u6d89\u53ca\u5728\u7b2c\u4e00\u8f6e\u52a0\u5bc6\u524d\u5c06\u660e\u6587\u4e0e\u4e00\u4e2a\u5355\u72ec\u7684\u5b50\u5bc6\u94a5\u8fdb\u884c\u5f02\u6216\u3002<br \/>\n\u2022<strong>\u540e\u767d\u566a\u58f0\u5316(postwhitening)<\/strong>\u5728\u7b2c16\u8f6e\u52a0\u5bc6\u540e\u8fdb\u884c\u76f8\u4f3c\u7684\u64cd\u4f5c\u3002<\/p>\n<p>6.4.7 \u5bf9\u79f0\u5bc6\u94a5\u7ba1\u7406<\/p>\n<p>\u7531\u4e8e\u52a0\u5bc6\u5bc6\u94a5\u4e2d\u5305\u542b\u7684\u4fe1\u606f\u5bf9\u4e8e\u5bc6\u7801\u7cfb\u7edf\u800c\u8a00\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u56e0\u6b64\u5bc6\u7801\u7cfb\u7edf\u7684\u7ba1\u7406\u5458\u548c\u7528\u6237\u5fc5\u987b\u91c7\u53d6\u7279\u6b8a\u7684\u63aa\u65bd\u4ee5\u4fdd\u62a4\u5bc6\u94a5\u6750\u6599\u7684\u5b89\u5168\u3002\u8fd9\u4e9b\u5b89\u5168\u63aa\u65bd\u88ab\u7edf\u79f0\u4e3a\u5bc6\u94a5\u7ba1\u7406\u5b9e\u8df5\u3002\u5b83\u4eec\u5305\u542b\u5bc6\u94a5\u7684\u751f\u6210\u3001\u5206\u53d1\u3001\u5b58\u50a8\u3001\u9500\u6bc1\u3001\u6062\u590d\u548c\u6258\u7ba1\u3002<\/p>\n<p><strong>1.\u521b\u5efa\u548c\u5206\u53d1\u5bf9\u79f0\u5bc6\u7801<\/strong><br \/>\n\u6b63\u5982\u524d\u9762\u63d0\u5230\u7684\uff0c\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u5185\u5728\u7684\u4e00\u4e2a\u4e3b\u8981\u95ee\u9898\u662f\u64cd\u4f5c\u7b97\u6cd5\u6240\u9700\u5bc6\u94a5\u7684\u5b89\u5168\u5206\u53d1\u3002\u5728\u4e0b\u9762\u7684\u5185\u5bb9\u4e2d\uff0c\u5c06\u5bf9\u4e0b\u5217\u4e09\u4e2a\u4e3b\u8981\u7684\u7528\u4e8e\u5b89\u5168\u4ea4\u6362\u5bc6\u94a5\u7684\u65b9\u6cd5\u8fdb\u884c\u5206\u6790\uff1a\u79bb\u7ebf\u5206\u53d1\u3001\u516c\u94a5\u52a0\u5bc6\u548cDiffie-Hellman\u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\u3002<\/p>\n<ul>\n<li><span style=\"color: #ff0000;\">\u79bb\u7ebf\u5206\u53d1\u2014\u2014\u5728\u6280\u672f\u65b9\u9762\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u6d89\u53ca\u5bc6\u94a5\u6750\u6599\u7684\u7269\u7406\u4ea4\u6362\u3002<\/span>\u4e00\u65b9\u5411\u53e6\u4e00\u65b9\u63d0\u4f9b\u5305\u542b\u5bc6\u94a5\u7684\u4e00\u5f20\u7eb8\u6216\u4e00\u4efd\u5b58\u50a8\u4ecb\u8d28\u3002\u5728\u5f88\u591a\u786c\u4ef6\u52a0\u5bc6\u8bbe\u5907\u4e2d\uff0c\u5bc6\u94a5\u6750\u6599\u4ee5\u7535\u5b50\u8bbe\u5907\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u8fd9\u7c7b\u4f3c\u4e8e\u63d2\u5165\u5230\u52a0\u5bc6\u8bbe\u5907\u4e2d\u7684\u771f\u5b9e\u7684\u94a5\u5319\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u5177\u6709\u5404\u81ea\u56fa\u6709\u7684\u7f3a\u9677\u3002\u5982\u679c\u901a\u8fc7\u7535\u5b50\u90ae\u4ef6\u53d1\u9001\u5bc6\u94a5\u6750\u6599\uff0c\u90a3\u4e48\u5bc6\u94a5\u6750\u6599\u5c31\u53ef\u80fd\u88ab\u622a\u83b7\u3002\u7535\u8bdd\u53ef\u80fd\u4f1a\u88ab\u7a83\u542c\u3002\u5305\u542b\u5bc6\u94a5\u7684\u7eb8\u5f20\u5219\u53ef\u80fd\u88ab\u65e0\u610f\u4e22\u8fdb\u5e9f\u7eb8\u7bd3\u6216\u4e22\u5931\u3002<\/li>\n<li><span style=\"color: #ff0000;\">\u516c\u94a5\u52a0\u5bc6\u2014\u2014\u8bb8\u591a\u901a\u4fe1\u4eba\u5458\u5e0c\u671b\u5728\u6ca1\u6709\u5bc6\u94a5\u5206\u53d1\u4e4b\u4e89\u7684\u60c5\u51b5\u4e0b\u83b7\u5f97\u5bc6\u94a5\u52a0\u5bc6\u7684\u901f\u5ea6\u4f18\u52bf\u3002<\/span>\u56e0\u6b64\uff0c\u8bb8\u591a\u4eba\u4f7f\u7528\u516c\u94a5\u52a0\u5bc6\u6765\u5efa\u7acb\u521d\u59cb\u7684\u901a\u4fe1\u94fe\u63a5\u3002\u4e00\u65e6\u94fe\u63a5\u6210\u529f\u5efa\u7acb\uff0c\u5e76\u4e14\u53cc\u65b9\u5bf9\u76f8\u4e92\u7684\u8eab\u4efd\u90fd\u611f\u5230\u6ee1\u610f\uff0c\u90a3\u4e48\u4ed6\u4eec\u5c31\u4f1a\u5728\u5b89\u5168\u7684\u516c\u94a5\u94fe\u63a5\u4e0a\u4ea4\u6362\u5bc6\u94a5\u3002\u968f\u540e\uff0c\u901a\u4fe1\u53cc\u65b9\u4ece\u57fa\u4e8e\u516c\u94a5\u7b97\u6cd5\u7684\u901a\u4fe1\u8fdb\u5165\u57fa\u4e8e\u79d8\u5bc6\u5bc6\u94a5\u7b97\u6cd5\u7684\u901a\u4fe1\uff0c\u5e76\u4e14\u80fd\u591f\u4eab\u53d7\u5feb\u901f\u7684\u5904\u7406\u8fc7\u7a0b\u3002\u4e00\u822c\u800c\u8a00\uff0c\u4e0e\u516c\u94a5\u52a0\u5bc6\u76f8\u6bd4\uff0c\u79c1\u6709\u5bc6\u94a5\u52a0\u5bc6\u7684\u901f\u5ea6\u5feb\u6570\u5343\u500d\u3002<\/li>\n<li><span style=\"color: #ff0000;\">Diffie-Hellman\u7b97\u6cd5\u2014\u2014\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u65e0\u8bba\u662f\u516c\u94a5\u52a0\u5bc6\u8fd8\u662f\u79bb\u7ebf\u5206\u53d1\uff0c\u90fd\u662f\u4e0d\u5145\u5206\u7684\u3002<\/span>\u53cc\u65b9\u53ef\u80fd\u9700\u8981\u76f8\u4e92\u901a\u4fe1\uff0c\u4f46\u662f\u4ed6\u4eec\u6ca1\u6709\u7269\u7406\u624b\u6bb5\u4ea4\u6362\u5bc6\u94a5\u6750\u6599\uff0c\u5e76\u4e14\u6ca1\u6709\u9002\u5f53\u7684\u516c\u94a5\u57fa\u7840\u8bbe\u65bd\u6765\u4fc3\u8fdb\u79d8\u5bc6\u5bc6\u94a5\u7684\u4ea4\u6362\u3002\u5728\u8fd9\u6837\u7684\u60c5\u51b5\u4e0b\uff0c\u50cfDiffie-Hellman\u8fd9\u6837\u7684\u5bc6\u94a5\u4ea4\u6362\u7b97\u6cd5\u88ab\u8bc1\u660e\u662f\u6781\u4e3a\u6709\u7528\u7684\u673a\u5236\u3002<\/li>\n<\/ul>\n<p><strong>2.\u5b58\u50a8\u548c\u9500\u6bc1\u5bf9\u79f0\u5bc6\u94a5<\/strong><br \/>\n\u5728\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6\u4e2d\uff0c\u53e6\u4e00\u4e2a\u4e3b\u8981\u7684\u6311\u6218\u662f\u5728\u5bc6\u7801\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u5bc6\u94a5\u5fc5\u987b\u8fdb\u884c\u5b89\u5168\u4fdd\u7ba1\u3002\u4ee5\u4e0b\u7ed9\u51fa\u4e86\u5b58\u50a8\u52a0\u5bc6\u5bc6\u94a5\u7684\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li><span style=\"color: #ff0000;\">\u6c38\u8fdc\u4e0d\u8981\u5c06\u52a0\u5bc6\u5bc6\u94a5\u5b58\u50a8\u5728\u5b58\u653e\u52a0\u5bc6\u6570\u636e\u7684\u540c\u4e00\u4e2a\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u5c06\u4f7f\u653b\u51fb\u8005\u66f4\u5bb9\u6613\u8fdb\u884c\u653b\u51fb!<\/span><\/li>\n<li><span style=\"color: #ff0000;\">\u5bf9\u4e8e\u654f\u611f\u7684\u5bc6\u94a5\uff0c\u53ef\u4ee5\u8003\u8651\u4e24\u4e2a\u4e0d\u540c\u7684\u4eba\u5206\u522b\u6301\u6709\u5bc6\u94a5\u7684\u4e00\u534a\u3002\u4ed6\u4eec\u5fc5\u987b\u5408\u5728\u4e00\u8d77\u624d\u80fd\u6784\u6210\u5b8c\u6574\u7684\u5bc6\u94a5\u3002<\/span>\u8fd9\u662f\u4f17\u6240\u5468\u77e5\u7684\u77e5\u8bc6\u5206\u5272\u539f\u5219(\u5df1\u5728\u672c\u7ae0\u524d\u9762\u63d0\u5230)\u3002<\/li>\n<\/ul>\n<p>\u5f53\u77e5\u9053\u5bc6\u94a5\u7684\u7528\u6237\u79bb\u5f00\u7ec4\u7ec7\u6216\u4e0d\u518d\u88ab\u5141\u8bb8\u8bbf\u95ee\u901a\u8fc7\u5bc6\u94a5\u5305\u542b\u7684\u6750\u6599\u65f6\uff0c\u5bc6\u94a5\u5fc5\u987b\u66f4\u6539\uff0c\u540c\u65f6\u4f7f\u7528\u8be5\u5bc6\u94a5\u8fdb\u884c\u52a0\u5bc6\u7684\u6240\u6709\u6750\u6599\u5fc5\u987b\u7528\u65b0\u7684\u5bc6\u94a5\u8fdb\u884c\u91cd\u65b0\u52a0\u5bc6\u3002\u9500\u6bc1\u4e00\u4e2a\u5bc6\u94a5\u5e76\u5c06\u4e00\u4e2a\u7528\u6237\u79f0\u5bc6\u7801\u7cfb\u7edf\u4e2d\u79fb\u9664\u662f\u56f0\u96be\u7684\uff0c\u8fd9\u4e5f\u662f\u7ec4\u7ec7\u8f6c\u800c\u4f7f\u7528\u975e\u5bf9\u79f0\u7b97\u6cd5\u7684\u4e00\u4e2a\u91cd\u8981\u539f\u56e0\u3002<\/p>\n<p><strong>3.\u5bc6\u94a5\u6258\u7ba1<\/strong><br \/>\n\u5728\u8fc7\u53bb10\u5e74\u4e2d\uff0c\u4eba\u4eec\u63d0\u8bae\u901a\u8fc7\u4e0b\u5217\u4e24\u79cd\u4e3b\u8981\u9014\u5f84\u8fdb\u884c\u5bc6\u94a5\u6258\u7ba1\uff1a<\/p>\n<ul>\n<li>\u516c\u5e73\u5bc6\u7801\u7cfb\u7edf\u2014\u2014\u5728\u8fd9\u79cd\u6258\u7ba1\u65b9\u6cd5\u4e2d\uff0c\u901a\u4fe1\u4e2d\u4f7f\u7528\u7684\u79c1\u6709\u5bc6\u94a5\u88ab\u5206\u4e3a\u4e24\u4e2a\u6216\u591a\u4e2a\u90e8\u5206\uff0c\u8fd9\u4e9b\u90e8\u5206\u90fd\u88ab\u4ea4\u7ed9\u72ec\u7acb\u7684\u7b2c\u4e09\u65b9\u3002\u6bcf\u4e2a\u90e8\u5206\u672c\u8eab\u90fd\u662f\u65e0\u7528\u7684\uff0c\u4f46\u662f\u901a\u8fc7\u91cd\u65b0\u7ec4\u5408\u53ef\u4ee5\u83b7\u5f97\u79c1\u6709\u5bc6\u94a5\u3002\u653f\u5e9c\u83b7\u5f97\u6cd5\u5f8b\u6388\u6743\u8bbf\u95ee\u7279\u5b9a\u7684\u5bc6\u94a5\u65f6\uff0c\u9700\u8981\u5411\u6240\u6709\u7b2c\u4e09\u65b9\u63d0\u4f9b\u6cd5\u9662\u7684\u8bc1\u636e\uff0c\u968f\u540e\u624d\u80fd\u91cd\u65b0\u7ec4\u88c5\u8fd9\u4e2a\u79c1\u6709\u5bc6\u94a5\u3002<\/li>\n<li>\u6258\u7ba1\u52a0\u5bc6\u6807\u51c6\u2014\u2014\u8fd9\u79cd\u6258\u7ba1\u65b9\u6cd5\u5411\u653f\u5e9c\u63d0\u4f9b\u89e3\u5bc6\u5bc6\u6587\u7684\u6280\u672f\u624b\u6bb5\u3002\u8fd9\u4e2a\u6807\u51c6\u662f\u672c\u7ae0\u524d\u9762\u8ba8\u8bba\u7684Skipjack\u7b97\u6cd5\u7684\u57fa\u7840\u3002<\/li>\n<\/ul>\n<p>\u653f\u5e9c\u7ba1\u7406\u8005\u51e0\u4e4e\u4e0d\u53ef\u80fd\u514b\u670d\u4e0d\u53ef\u907f\u514d\u7684\u6cd5\u5f8b\u548c\u9690\u79c1\u969c\u788d\u6765\u5e7f\u6cdb\u5b9e\u73b0\u5bc6\u94a5\u6258\u7ba1\u3002\u867d\u7136\u6280\u672f\u4e0a\u6ca1\u6709\u95ee\u9898\uff0c\u4f46\u662f\u4e00\u822c\u6c11\u4f17\u4e0d\u53ef\u80fd\u63a5\u53d7\u653f\u5e9c\u5bf9\u4e2a\u4eba\u751f\u6d3b\u7684\u6f5c\u5728\u4ecb\u5165\u3002<\/p>\n<p>6.4.8 \u5bc6\u7801\u751f\u547d\u5468\u671f<br \/>\n\u9664\u4e86\u4e00\u6b21\u4e00\u5bc6\uff0c\u6240\u6709\u7684\u5bc6\u7801\u7cfb\u7edf\u90fd\u6709\u4e00\u4e2a\u6709\u9650\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u5b89\u5168\u4e13\u5bb6\u5728\u9009\u62e9\u4e00\u4e2a\u52a0\u5bc6\u7b97\u6cd5\u548c\u76f8\u5e94\u7684\u7ba1\u7406\u63a7\u5236\u63aa\u65bd\u65f6\u5fc5\u987b\u8003\u8651\u5bc6\u7801\u7684\u751f\u547d\u5468\u671f\u4ee5\u786e\u4fdd\u7b97\u6cd5\u3001\u534f\u8bae\u548c\u9009\u62e9\u7684\u5bc6\u94a5\u957f\u5ea6\u8db3\u4ee5\u4fdd\u5b58\u5bc6\u7801\u7cfb\u7edf\u7684\u5b8c\u6574\u6027\uff0c\u4ee5\u786e\u4fdd\u80fd\u591f\u7528\u4e8e\u4fdd\u62a4\u6240\u9700\u65f6\u95f4\u5185\u4fe1\u606f\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002<\/strong><\/span>\u5b89\u5168\u4e13\u5bb6\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7b97\u6cd5\u548c\u534f\u8bae\u7ba1\u7406\u63a7\u5236\uff1a<\/p>\n<ul>\n<li>\u786e\u5b9a\u7ec4\u7ec7\u5185\u53ef\u4ee5\u63a5\u53d7\u548c\u4f7f\u7528\u7684\u52a0\u5bc6\u7b97\u6cd5(\u4f8b\u5982\uff0cAES\u30013DES\u548cRSA)\u3002<\/li>\n<li>\u57fa\u4e8e\u4f20\u8f93\u4fe1\u606f\u7684\u654f\u611f\u6027\u786e\u5b9a\u6bcf\u4e2a\u7b97\u6cd5\u53ef\u63a5\u53d7\u4f7f\u7528\u7684\u5bc6\u94a5\u957f\u5ea6\u3002<\/li>\n<li>\u5217\u51fa\u53ef\u4ee5\u4f7f\u7528\u7684\u5b89\u5168\u4f20\u8f93\u534f\u8bae(\u5982SSL\u548cTLS)\u3002<\/li>\n<\/ul>\n<p>\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u8bbe\u8ba1\u7684\u5bc6\u7801\u7cfb\u7edf\u7528\u6765\u4fdd\u62a4\u8ba1\u5212\u4e0b\u5468\u6267\u884c\u7684\u5546\u4e1a\u8ba1\u5212\uff0c\u5c31\u65e0\u987b\u62c5\u5fc3\u5904\u7406\u5668\u53ef\u80fd\u4ece\u76ee\u524d\u5230\u4eca\u540e10\u5e74\u5185\u53ef\u4ee5\u7834\u89e3\u5b83\u4eec\u8fd9\u79cd\u7406\u8bba\u4e0a\u7684\u98ce\u9669\u3002\u4ece\u53e6\u4e00\u65b9\u9762\u770b\uff0c\u5982\u679c\u8981\u4fdd\u62a4\u90a3\u79cd\u53ef\u80fd\u7528\u4e8e\u5efa\u9020\u6838\u5f39\u7684\u673a\u5bc6\u4fe1\u606f\uff0c\u90a3\u5c31\u5341\u5206\u80af\u5b9a\u4ecd\u9700\u8981\u5728\u4eca\u540e10\u5e74\u91cc\u4e00\u76f4\u7ef4\u62a4\u8fd9\u4e2a\u673a\u5bc6\u3002<\/p>\n<p>&nbsp;<\/p>\n<h6>\u8003\u8bd5\u8981\u70b9\uff1a<\/h6>\n<ul>\n<li><span style=\"color: #ff0000;\"><strong>\u7406\u89e3\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u548c\u4e0d\u53ef\u5426\u8ba4\u6027\u5728\u5bc6\u7801\u7cfb\u7edf\u4e2d\u626e\u6f14\u7684\u89d2\u8272\u3002<\/strong><\/span>\u673a\u5bc6\u6027\u662f\u5bc6\u7801\u5b66\u7684\u4e00\u4e2a\u4e3b\u8981\u76ee\u6807\uff0c\u5b83\u786e\u4fdd\u4fe1\u606f\u4e0d\u5bf9\u672a\u6388\u6743\u7684\u4e2a\u4eba\u6cc4\u6f0f\uff0c\u5e76\u4e14\u51c6\u8bb8\u52a0\u5bc6\u4fe1\u606f\u3001\u4ee5\u5728\u5f00\u653e\u7684\u7f51\u7edc\u4e2d\u81ea\u7531\u4f20\u8f93\u3002\u5bf9\u79f0\u548c\u975e\u5bf9\u79f0\u5bc6\u7801\u7cfb\u7edf\u90fd\u80fd\u591f\u4fdd\u8bc1\u673a\u5bc6\u6027\u3002\u5b8c\u6574\u6027\u4e3a\u6d88\u606f\u7684\u63a5\u6536\u65b9\u63d0\u4f9b\u4e86\u6d88\u606f\u5728\u53d1\u9001\u8005\u5efa\u7acb\u548c\u63a5\u6536\u8005\u63a5\u6536\u5230\u7684\u65f6\u95f4\u8303\u56f4\u5185\u6ca1\u6709\u88ab(\u6709\u610f\u6216\u65e0\u610f)\u4fee\u6539\u7684\u4fdd\u8bc1\u3002\u5bf9\u79f0\u548c\u975e\u5bf9\u79f0\u5bc6\u7801\u7cfb\u7edf\u90fd\u80fd\u591f\u4fdd\u8bc1\u5b8c\u6574\u6027\u3002\u4e0d\u53ef\u5426\u8ba4\u6027\u63d0\u4f9b\u4e86\u4e0d\u53ef\u5426\u8ba4\u7684\u8bc1\u636e\uff0c\u4ece\u800c\u8bc1\u660e\u6d88\u606f\u7684\u53d1\u9001\u8005\u786e\u5b9e\u662f\u8fd9\u4e2a\u6d88\u606f\u7684\u4f5c\u8005\u3002\u5b83\u9632\u6b62\u53d1\u9001\u8005\u5426\u8ba4\u4ed6\u4eec\u53d1\u9001\u4e86\u539f\u59cb\u4fe1\u606f\u3002<\/li>\n<li>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u5bc6\u7801\u7cfb\u7edf\u8fbe\u5230\u8eab\u4efd\u8ba4\u8bc1\u7684\u76ee\u6807\u3002<strong>\u8eab\u4efd\u8ba4\u8bc1\u63d0\u4f9b\u4e86\u5bf9\u7528\u6237\u8eab\u4efd\u7684\u4fdd\u8bc1\u3002\u4f7f\u7528\u8eab\u4efd\u8ba4\u8bc1\u7684\u4e00\u79cd\u53ef\u80fd\u65b9\u6848\u662f\u6311\u6218\/\u54cd\u5e94\u534f\u8bae\uff0c\u5176\u4e2d\u7684\u8fdc\u7a0b\u7528\u6237\u88ab\u8981\u6c42\u4f7f\u7528\u53ea\u6709\u901a\u4fe1\u53cc\u65b9\u77e5\u9053\u7684\u5bc6\u94a5\u5bf9\u6d88\u606f\u8fdb\u884c\u52a0\u5bc6\u3002<span style=\"color: #ff0000;\">\u5bf9\u79f0\u548c\u975e\u5bf9\u79f0\u7684\u5bc6\u7801\u7cfb\u7edf\u90fd\u53ef\u4ee5\u5b9e\u73b0\u8eab\u4efd\u8ba4\u8bc1\u3002<\/span><\/strong><\/li>\n<li>\u719f\u6089\u5bc6\u7801\u5b66\u7684\u57fa\u672c\u672f\u8bed\u3002\u5f53\u53d1\u9001\u8005\u5e0c\u671b\u5411\u63a5\u6536\u8005\u4f20\u9001\u4e00\u4efd\u79c1\u6709\u6d88\u606f\u65f6\uff0c\u53d1\u9001\u8005\u4f1a\u53d6\u51fa\u660e\u6587(\u672a\u52a0\u5bc6\u7684)\u6d88\u606f\uff0c\u5e76\u4e14\u4f7f\u7528\u67d0\u79cd\u7b97\u6cd5\u548c\u67d0\u4e2a\u5bc6\u94a5\u5bf9\u660e\u6587\u6d88\u606f\u8fdb\u884c\u52a0\u5bc6\uff0c\u4ece\u800c\u751f\u6210\u53d1\u9001\u7ed9\u63a5\u6536\u8005\u7684\u5bc6\u6587\u6d88\u606f\u3002\u63a5\u6536\u8005\u968f\u540e\u4f7f\u7528\u76f8\u4f3c\u7684\u7b97\u6cd5\u548c\u5bc6\u94a5\u5bf9\u5bc6\u6587\u8fdb\u884c\u89e3\u5bc6\uff0c\u5e76\u4e14\u91cd\u5efa\u539f\u59cb\u7684\u660e\u6587\u6d88\u606f\u4ee5\u4f9b\u67e5\u770b\u3002<\/li>\n<li>\u7406\u89e3\u7f16\u7801\u548c\u5bc6\u7801\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4e95\u4e14\u80fd\u591f\u89e3\u91ca\u5bc6\u7801\u7684\u57fa\u672c\u7c7b\u578b\u3002<strong><span style=\"color: #ff0000;\">\u7f16\u7801\u662f\u5bf9\u8bcd\u6c47\u6216\u77ed\u8bed\u64cd\u4f5c\u7684\u7b26\u53f7\u5bc6\u7801\u5b66\u7cfb\u7edf\uff0c\u6709\u65f6\u662f\u9690\u79d8\u7684\uff0c\u4f46\u662f\u5e76\u4e0d\u80fd\u6c38\u8fdc\u63d0\u4f9b\u673a\u5bc6\u6027\u3002<\/span><\/strong>\u4e0d\u8fc7\uff0c<strong>\u5bc6\u7801\u6c38\u8fdc\u610f\u5473\u7740\u5bf9\u6d88\u606f\u7684\u771f\u5b9e\u542b\u4e49\u8fdb\u884c\u9690\u85cf\u3002<\/strong>\u4e86\u89e3\u4e0b\u5217\u5bc6\u7801\u7c7b\u578b\u7684\u5de5\u4f5c\u65b9\u5f0f\uff1a<span style=\"color: #ff0000;\"><strong>\u6362\u4f4d\u5bc6\u7801\u3001\u66ff\u4ee3\u5bc6\u7801(\u5305\u62ec\u4e00\u6b21\u6027\u586b\u5145)\u3001\u6d41\u5bc6\u7801<span style=\"color: #000000;\">\u4ee5\u53ca<\/span>\u5206\u7ec4\u5bc6\u7801<\/strong><\/span>\u3002<\/li>\n<li><strong>\u4e86\u89e3\u6210\u529f\u5e94\u7528\u4e00\u6b21\u6027\u586b\u5145\u7684\u8981\u6c42\u3002<span style=\"color: #ff0000;\">\u8981\u83b7\u5f97\u6210\u529f\u7684\u4e00\u6b21\u6027\u586b\u5145\uff0c\u5bc6\u94a5\u5fc5\u987b\u968f\u673a\u751f\u6210\uff0c\u5e76\u4e14\u4e0d\u4f7f\u7528\u4efb\u4f55\u5df1\u77e5\u7684\u6a21\u5f0f\u3002\u5bc6\u94a5\u5fc5\u987b\u81f3\u5c11\u548c\u88ab\u52a0\u5bc6\u7684\u6d88\u606f\u4e00\u6837\u957f\u3002\u586b\u5145\u5fc5\u987b\u9632\u6b62\u7269\u7406\u6cc4\u9732\uff0c\u5e76\u4e14\u6bcf\u4e2a\u586b\u5145\u5728\u88ab\u4e22\u5f03\u524d\u5fc5\u987b\u53ea\u4f7f\u7528\u4e00\u6b21\u3002<\/span><\/strong><\/li>\n<li><strong>\u7406\u89e3\u96f6\u77e5\u8bc6\u8bc1\u660e\u7684\u6982\u5ff5\u3002<span style=\"color: #ff0000;\">\u96f6\u77e5\u8bc6\u8bc1\u660e\u662f\u4e00\u4e2a\u6982\u5ff5\u3002<\/span>\u6b63\u5982\u6570\u5b57\u7b7e\u540d\u548c\u6570\u5b57\u8bc1\u4e66\u4e00\u6837\uff0c\u96f6\u77e5\u8bc6\u8bc1\u660e\u4ea4\u6362\u7279\u5b9a\u7c7b\u578b\u7684\u4fe1\u606f\uff0c\u4f46\u662f\u4e0d\u4f20\u8f93\u5b9e\u9645\u7684\u6570\u636e\u3002<\/strong><\/li>\n<li><strong>\u7406\u89e3\u77e5\u8bc6\u5206\u5272\u3002<\/strong><span style=\"color: #ff0000;\">\u5206\u5272\u77e5\u8bc6\u610f\u5473\u7740\u6267\u884c\u67d0\u4e2a\u64cd\u4f5c\u6240\u9700\u7684\u77e5\u8bc6\u6216\u6743\u9650\u5728\u591a\u4e2a\u7528\u6237\u4e4b\u95f4\u5206\u914d\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u4efb\u4f55\u4e00\u4e2a\u4eba\u90fd\u6ca1\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u5371\u5bb3\u73af\u5883\u7684\u5b89\u5168\u6027\u3002&#8221;MofN\u63a7\u5236&#8221;\u662f\u5206\u5272\u77e5\u8bc6\u7684\u4e00\u4e2a\u793a\u4f8b\u3002<\/span><\/li>\n<li><strong>\u7406\u89e3\u5de5\u4f5c\u51fd\u6570(\u5de5\u4f5c\u56e0\u6570)\u3002<\/strong><span style=\"color: #ff0000;\">\u5de5\u4f5c\u51fd\u6570\u6216\u5de5\u4f5c\u56e0\u6570\u901a\u8fc7\u5ea6\u91cf\u89e3\u5bc6\u6d88\u606f\u6240\u9700\u7684\u6210\u672c\u548c\/\u6216\u65f6\u95f4\uff0c\u6765\u5ea6\u91cf\u5bc6\u7801\u5b66\u7cfb\u7edf\u7684\u5f3a\u5ea6\u3002<\/span>\u901a\u5e38\uff0c\u9488\u5bf9\u52a0\u5bc6\u7cfb\u7edf\u6267\u884c\u5b8c\u5168\u7a77\u4e3e\u653b\u51fb\u6240\u9700\u7684\u65f6\u95f4\u548c\u52aa\u529b\u5c31\u662f\u5de5\u4f5c\u51fd\u6570\u6240\u8868\u793a\u7684\u5185\u5bb9\u3002\u5bc6\u7801\u7cfb\u7edf\u63d0\u4f9b\u7684\u5b89\u5168\u6027\u548c\u4fdd\u62a4\u4e0e\u5de5\u4f5c\u51fd\u6570\/\u56e0\u6570\u7684\u503c\u6210\u6b63\u6bd4\u3002<\/li>\n<li>\u7406\u89e3\u5bc6\u94a5\u5b89\u5168\u6027\u7684\u91cd\u8981\u6027\u3002\u5bc6\u7801\u5b66\u5bc6\u94a5\u4e3a\u5bc6\u7801\u7cfb\u7edf\u63d0\u4f9b\u79d8\u5bc6\u6027\u7684\u5fc5\u8981\u7ec4\u4ef6\u3002\u73b0\u4ee3\u5bc6\u7801\u7cfb\u7edf\u4f7f\u7528\u81f3\u5c11128\u4f4d\u7684\u5bc6\u94a5\u6765\u63d0\u4f9b\u8db3\u591f\u7684\u5b89\u5168\u6027\u3002\u901a\u5e38\uff0c\u4eba\u4eec\u90fd\u8d5e\u540c\u6570\u636e\u52a0\u5bc6\u6807\u51c6(DES)56\u4f4d\u5bc6\u94a5\u7684\u957f\u5ea6\u5df1\u65e0\u6cd5\u63d0\u4f9b\u8db3\u591f\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u4e86\u89e3\u5bf9\u79f0\u548c\u975e\u5bf9\u79f0\u5bc6\u94a5\u7cfb\u7edf\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/strong><span style=\"color: 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