{"id":46,"date":"2021-01-08T11:43:06","date_gmt":"2021-01-08T11:43:06","guid":{"rendered":"http:\/\/43.153.210.228\/\/?p=46"},"modified":"2021-01-08T11:43:06","modified_gmt":"2021-01-08T11:43:06","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e6%95%b0%e5%ad%97%e5%8a%a0%e5%af%86","status":"publish","type":"post","link":"http:\/\/43.153.210.228\/?p=46","title":{"rendered":"\u4ec0\u4e48\u662f\u6570\u5b57\u52a0\u5bc6"},"content":{"rendered":"

\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\uff08<\/span>Data Encryption Standard<\/span>\uff0c<\/span>DES<\/span>\uff09\u662f\u4e00\u79cd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u6570\u636e\u52a0\u5bc6\u65b9\u6cd5\uff0c\u5b83\u4f7f\u7528\u7684\u662f\u5bc6\u94a5\u3002\u7f8e\u56fd\u653f\u5e9c\u8ba4\u4e3a\u5bc6\u94a5\u5f88\u96be\u7834\u89e3\u5e76\u9650\u5236\u5176\u51fa\u53e3\u5230\u5176\u4ed6\u56fd\u5bb6\u3002\u6709<\/span>72<\/span>\u5343\u4e07\u4ebf\u4e2a\u6216\u66f4\u591a\u7684\u52a0\u5bc6\u5bc6\u94a5\u53ef\u4ee5\u4f7f\u7528\u3002\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u7279\u5b9a\u7684\u4fe1\u606f\uff0c\u5176\u5bc6\u94a5\u662f\u4ee5\u968f\u673a\u62bd\u6837\u7684\u65b9\u5f0f\u4ece\u6570\u76ee\u5de8\u5927\u7684\u5bc6\u5319\u5e93\u4e2d\u9009\u53d6\u7684\u3002\u50cf\u5176\u4ed6\u79c1\u4eba\u5bc6\u7801\u5319\u52a0\u5bc6\u7684\u65b9\u6cd5\u4e00\u6837\uff0c\u53d1\u9001\u8005\u548c\u63a5\u53d7\u8005\u5fc5\u987b\u77e5\u9053\u5e76\u4f7f\u7528\u76f8\u540c\u7684\u5bc6\u94a5\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\uff08<\/span>DES<\/span>\uff09\u5bf9\u6bcf\u4e2a<\/span>64<\/span>\u4f4d\u7684\u6570\u636e\u5757\u91c7\u7528<\/span>56<\/span>\u4f4d\u5bc6\u94a5\u3002\u52a0\u5bc6\u7684\u8fc7\u7a0b\u53ef\u4ee5\u7528\u82e5\u5e72\u79cd\u6a21\u5f0f\u8fdb\u884c\u64cd\u4f5c\u5305\u62ec<\/span>16<\/span>\u6b21\u5faa\u73af\u6216\u64cd\u4f5c\u3002\u867d\u7136\u5b83\u88ab\u8ba4\u4e3a\u662f<\/span>“<\/span>\u5f3a<\/span>“<\/span>\u52a0\u5bc6\uff0c\u8bb8\u591a\u516c\u53f8\u4f7f\u7528\u4e09\u4e2a\u5bc6\u94a5\uff0c<\/span>“<\/span>\u4e09\u91cd\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\uff08<\/span>DES<\/span>\uff09<\/span>“<\/span>\u3002\u8fd9\u5e76\u4e0d\u662f\u8bf4\uff0c<\/span>DES<\/span>\u52a0\u5bc6\u4fe1\u606f\u4e0d\u80fd\u88ab\u7834\u89e3\u3002\u65e9\u5728<\/span>1997<\/span>\u5e74\uff0c\u53e6\u4e00\u4e2a\u52a0\u5bc6\u65b9\u6cd5\u516c\u94a5\u52a0\u5bc6\u7b97\u6cd5\uff08<\/span>Rivest-Shamir-Adleman<\/span>\uff09\u7684\u62e5\u6709\u4eba\u60ac\u8d4f\u4e00\u4e07\u7f8e\u5143\u6765\u7834\u89e3\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\u4fe1\u606f\u3002\u4e00\u4e07\u56db\u5343\u591a\u540d\u8ba1\u7b97\u673a\u7528\u6237\u901a\u8fc7\u4e92\u8054\u7f51\u5171\u540c\u5408\u4f5c\uff0c\u4ed6\u4eec\u5c1d\u8bd5\u5404\u79cd\u5bc6\u94a5\uff0c\u7ec8\u4e8e\u901a\u8fc7\u8fd0\u884c<\/span>18<\/span>\u5343\u4e07\u4ebf\u4e2a\u5bc6\u94a5\u53d1\u73b0\u8be5\u5bc6\u94a5\u7834\u8bd1\u4e86\u4fe1\u606f\u3002\u800c\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\u4fe1\u606f\u4e0d\u592a\u53ef\u80fd\u4f1a\u53d7\u5230\u8fd9\u79cd\u89c4\u6a21\u7684\u5bc6\u7801\u7834\u8bd1\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1977<\/span>\u5e74\uff0c<\/span>IBM<\/span>\u516c\u53f8\u521b\u9020\u4e86\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\uff0c\u540e\u6765\u88ab\u7f8e\u56fd\u56fd\u9632\u90e8\u91c7\u7528\u3002\u5b83\u7531\u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u534f\u4f1a\uff08<\/span>ANSI<\/span>\uff09<\/span>X3.92<\/span>\u548c<\/span>X3.106<\/span>\u6807\u51c6\u548c\u8054\u90a6\u4fe1\u606f\u5904\u7406\u6807\u51c6\uff08<\/span>FIPS<\/span>\uff09<\/span>46<\/span>\u548c<\/span>81<\/span>\u6807\u51c6\u6240\u6307\u5b9a\u3002\u8003\u8651\u5230\u52a0\u5bc6\u7b97\u6cd5\u53ef\u80fd\u4f1a\u88ab\u4e0d\u53cb\u597d\u7684\u653f\u5e9c\u5229\u7528\uff0c\u7f8e\u56fd\u653f\u5e9c\u5df2\u7981\u6b62\u51fa\u53e3\u52a0\u5bc6\u8f6f\u4ef6\u3002\u7136\u800c\uff0c\u514d\u8d39\u7248\u7684\u8f6f\u4ef6\u53ef\u4ee5\u5e7f\u6cdb\u5730\u4ece\u7535\u5b50\u5e03\u544a\u680f\u670d\u52a1\u548c\u7f51\u7ad9\u4e0a\u83b7\u53d6\u3002\u56e0\u4e3a\u52a0\u5bc6\u7b97\u6cd5\u4ecd\u7136\u76f8\u5bf9\u7262\u4e0d\u53ef\u7834\uff0c\u7f8e\u56fd\u56fd\u5bb6\u6807\u51c6\u6280\u672f\u7814\u7a76\u9662\uff08<\/span>NIST<\/span>\uff09\u8868\u793a\u4f5c\u4e3a\u4e00\u4e2a\u6807\u51c6\uff0c\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\uff08<\/span>DES<\/span>\uff09\u4e0d\u4f1a\u88ab\u518d\u9a8c\u8bc1\u3002\u4e0b\u4e00\u4e2a\u6807\u51c6\u5c06\u88ab\u79f0\u4f5c\u9ad8\u7ea7\u52a0\u5bc6\u6807\u51c6\uff08<\/span>AES<\/span>\uff09\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6570\u5b57\u52a0\u5bc6\u7684\u65b9\u6cd5\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

1.gb,unicode<\/span>\u7f16\u7801<\/span>
<\/span>2.<\/span>\u8fdb\u5236\u6362\u7b97\uff0c\u5982\u679c\u4e0d\u60f3\u8981\u5b57\u6bcd\u5c31\u5f80\u4f4e\u8fdb\u5236\u7684\u6362<\/span>
<\/span>3.<\/span>\u7279\u6b8a\u51fd\u6570\uff0c\u4f8b\u5982\u5c06\u6240\u6709\u6570\u5b57\u8fdb\u884c\u5e73\u65b9\u8fd0\u7b97\uff0c<\/span>1=1<\/span>\uff0c<\/span>2=4<\/span>\uff0c<\/span>3=9<\/span>\uff0c<\/span>4=16……<\/span>
<\/span>4.<\/span>\u8d28\u56e0\u6570\u5206\u89e3\u5316<\/span>
<\/span>5.<\/span>\u5e74\u4efd\u8868\u6362\u7b97\uff0c\u50cf\u662f\u5929\u5e72\u5730\u652f\u6362\u7b97\u6216\u662f\u9634\u9633\u5386\u6362\u7b97<\/span>
<\/span>6.<\/span>\u6570\u5b57\u5750\u6807\u8f6c\u5316\uff0c\u5982<\/span>32=6<\/span>\uff0c<\/span>13=7<\/span>\uff0c<\/span>23=8….<\/span>
<\/span>7.<\/span>\u6469\u65af\u7535\u7801\uff0c\u5982\u7528\u6570\u5b57<\/span>012<\/span>\u66ff\u4ee3<\/span>
<\/span>8.<\/span>\u6700\u5927\u516c\u56e0\u6570\u6216\u6700\u5c0f\u516c\u500d\u6570\u8f6c\u5316<\/span>
<\/span>\u4ee5\u4e0a\u5e94\u8be5\u7b97\u662f\u80fd\u591f\u5728\u5408\u7406\u96be\u5ea6\u8303\u56f4\u5185\u7684\u52a0\u5bc6\uff0c\u5176\u5b9e\u6570\u5b57\u4e5f\u53ef\u4ee5\u8fdb\u884c\u51ef\u6492\uff0c\u6805\u680f\uff0c\u751a\u81f3\u662f\u591a\u8868\u66ff\u6362\uff0c\u5e38\u6570\u5bc6\u94a5\uff0c\u7ebf\u6027\u53d8\u6362\u4e4b\u7c7b\u7684\u52a0\u5bc6\uff0c\u4f46\u662f\u90a3\u6837\u7834\u89e3\u8d77\u6765\u4f1a\u76f8\u5f53\u8ba9\u4eba\u8d39\u52b2\uff0c\u96be\u5ea6\u592a\u9ad8\u3002<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6570\u5b57\u52a0\u5bc6\u6807\u51c6\uff08Data Encryption Standard\uff0cDES\uff09\u662f\u4e00\u79cd\u88ab\u5e7f\u6cdb\u4f7f\u7528\u7684\u6570\u636e\u52a0\u5bc6\u65b9\u6cd5\uff0c\u5b83\u4f7f\u7528 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/46"}],"collection":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=46"}],"version-history":[{"count":1,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/46\/revisions"}],"predecessor-version":[{"id":47,"href":"http:\/\/43.153.210.228\/index.php?rest_route=\/wp\/v2\/posts\/46\/revisions\/47"}],"wp:attachment":[{"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=46"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=46"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.153.210.228\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}