{"id":1123,"date":"2017-03-11T11:22:18","date_gmt":"2017-03-11T03:22:18","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=1123"},"modified":"2017-03-11T11:22:18","modified_gmt":"2017-03-11T03:22:18","slug":"java-%e5%af%b9%e7%a7%b0%e5%8a%a0%e5%af%86%e7%ae%97%e6%b3%95des-%e7%9a%84%e4%bd%bf%e7%94%a8%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=1123","title":{"rendered":"Java \u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5DES \u7684\u4f7f\u7528\u6559\u7a0b"},"content":{"rendered":"<p>\n\t\u524d\u9762\u4e00\u7bc7\u6211\u5199\u4e86\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5IDEA\u7684\u4f7f\u7528\u6559\u7a0b\u300a<a href=\"http:\/\/www.xttblog.com\/?p=1121\" name=\"Java \u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5IDEA \u7684\u4f7f\u7528\u6559\u7a0b\" target=\"_blank\" title=\"Java \u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5IDEA \u7684\u4f7f\u7528\u6559\u7a0b\">Java \u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5IDEA \u7684\u4f7f\u7528\u6559\u7a0b<\/a>\u300b\u3002\u4eca\u5929\u6211\u4eec\u6765\u5b66\u4e60\u53e6\u5916\u4e00\u4e2a<a href=\"http:\/\/baike.baidu.com\/item\/des\u7b97\u6cd5\" name=\"des\u7b97\u6cd5\" target=\"_blank\" title=\"des\u7b97\u6cd5\">\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5DES<\/a>\u3002DES\u7b97\u6cd5\u4f7f\u7528\u76f8\u5bf9\u5e7f\u6cdb\u4e00\u4e9b\uff0c\u4e00\u4e9b\u8001\u7684\u9879\u76ee\u4e2d\u53ef\u80fd\u4f1a\u9047\u5230\u3002\n<\/p>\n<p>\n\t\u5bf9\u79f0\u5bc6\u7801\u4f53\u5236\u662f\u6307\u5982\u679c\u4e00\u4e2a\u52a0\u5bc6\u7cfb\u7edf\u7684\u52a0\u5bc6\u5bc6\u94a5\u548c\u89e3\u5bc6\u5bc6\u94a5\u76f8\u540c\uff0c\u6216\u8005\u867d\u7136\u4e0d\u540c\uff0c\u4f46\u662f\u7531\u5176\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u63a8\u5bfc\u51fa\u53e6\u4e00\u4e2a\uff0c\u5373\u5bc6\u94a5\u662f\u53cc\u65b9\u5171\u4eab\u7684\u3002\n<\/p>\n<h2>\n\t\u5bf9\u79f0\u5bc6\u7801\u7b97\u6cd5DES \u56fe\u89e3<br \/>\n<\/h2>\n<p>\n\t<img decoding=\"async\" alt=\"\u5bf9\u79f0\u5bc6\u7801\u7b97\u6cd5DES \u56fe\u89e3\" src=\"http:\/\/ocuzluml6.bkt.clouddn.com\/20170311111328.png\" style=\"width: 500px;height: 636px\" \/>\n<\/p>\n<p>\n\tDES\u7b97\u6cd5\u5177\u6709\u6781\u9ad8\u5b89\u5168\u6027\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u9664\u4e86\u7528\u7a77\u4e3e\u641c\u7d22\u6cd5\u5bf9DES\u7b97\u6cd5\u8fdb\u884c\u653b\u51fb\u5916\uff0c\u8fd8\u6ca1\u6709\u53d1\u73b0\u66f4\u6709\u6548\u7684\u529e\u6cd5\u3002\u800c56\u4f4d\u957f\u7684\u5bc6\u94a5\u7684\u7a77\u4e3e\u7a7a\u95f4\u4e3a256\uff0c\u8fd9\u610f\u5473\u7740\u5982\u679c\u4e00\u53f0\u8ba1\u7b97\u673a\u7684\u901f\u5ea6\u662f\u6bcf\u4e00\u79d2\u79cd\u68c0\u6d4b\u4e00\u767e\u4e07\u4e2a\u5bc6\u94a5\uff0c\u5219\u5b83\u641c\u7d22\u5b8c\u5168\u90e8\u5bc6\u94a5\u5c31\u9700\u8981\u5c06\u8fd12285\u5e74\u7684\u65f6\u95f4\uff0c\u53ef\u89c1\uff0c\u8fd9\u662f\u96be\u4ee5\u5b9e\u73b0\u7684\uff0c\u5f53\u7136\uff0c\u968f\u7740\u79d1\u5b66\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5f53\u51fa\u73b0\u8d85\u9ad8\u901f\u8ba1\u7b97\u673a\u540e\uff0c\u6211\u4eec\u53ef\u8003\u8651\u628aDES\u5bc6\u94a5\u7684\u957f\u5ea6\u518d\u589e\u957f\u4e00\u4e9b\uff0c\u4ee5\u6b64\u6765\u8fbe\u5230\u66f4\u9ad8\u7684\u4fdd\u5bc6\u7a0b\u5ea6\u3002\n<\/p>\n<p>\n\t\u5173\u4e8eDES\u7b97\u6cd5\u7684\u539f\u7406\uff0c\u5927\u5bb6\u53ef\u4ee5\u67e5\u770b\u8fd9\u7bc7\u6587\u7ae0\u300a<a href=\"http:\/\/blog.csdn.net\/qq_27570955\/article\/details\/52442092\" name=\"DES\u7b97\u6cd5\u539f\u7406\" target=\"_blank\" title=\"DES\u7b97\u6cd5\u539f\u7406\">DES\u7b97\u6cd5\u539f\u7406<\/a>\u300b\u3002\n<\/p>\n<h2>\n\tDES\u7b97\u6cd5 \u7684 java \u5b9e\u4f8b<br \/>\n<\/h2>\n<pre class=\"brush:java;\">\r\npublic static void jdkDES() {\r\n\ttry {\r\n\t\t\/\/\u751f\u6210KEY\r\n\t\tKeyGenerator keyGenerator = KeyGenerator.getInstance(&quot;DES&quot;);\r\n\t\tkeyGenerator.init(56);\r\n\t\tSecretKey secretKey = keyGenerator.generateKey();\r\n\t\tbyte[] bytesKey = secretKey.getEncoded();\r\n\t\t\r\n\t\t\/\/KEY\u8f6c\u6362\r\n\t\tDESKeySpec desKeySpec = new DESKeySpec(bytesKey);\r\n\t\tSecretKeyFactory factory = SecretKeyFactory.getInstance(&quot;DES&quot;);\r\n\t\tKey convertSecretKey = factory.generateSecret(desKeySpec);\r\n\t\t\r\n\t\t\/\/\u52a0\u5bc6\r\n\t\tCipher cipher = Cipher.getInstance(&quot;DES\/ECB\/PKCS5Padding&quot;);\r\n\t\tcipher.init(Cipher.ENCRYPT_MODE, convertSecretKey);\r\n\t\tbyte[] result = cipher.doFinal(src.getBytes());\r\n\t\tSystem.out.println(&quot;jdk des encrypt : &quot; + Hex.encodeHexString(result));\r\n\t\t\r\n\t\t\/\/\u89e3\u5bc6\r\n\t\tcipher.init(Cipher.DECRYPT_MODE, convertSecretKey);\r\n\t\tresult = cipher.doFinal(result);\r\n\t\tSystem.out.println(&quot;jdk des decrypt : &quot; + new String(result));\r\n\t} catch (Exception e) {\r\n\t\te.printStackTrace();\r\n\t}\r\n}\r\npublic static void bcDES() {\r\n\ttry {\r\n\t\tSecurity.addProvider(new BouncyCastleProvider());\r\n\t\t\r\n\t\t\/\/\u751f\u6210KEY\r\n\t\tKeyGenerator keyGenerator = KeyGenerator.getInstance(&quot;DES&quot;, &quot;BC&quot;);\r\n\t\tkeyGenerator.getProvider();\r\n\t\tkeyGenerator.init(56);\r\n\t\tSecretKey secretKey = keyGenerator.generateKey();\r\n\t\tbyte[] bytesKey = secretKey.getEncoded();\r\n\t\t\r\n\t\t\/\/KEY\u8f6c\u6362\r\n\t\tDESKeySpec desKeySpec = new DESKeySpec(bytesKey);\r\n\t\tSecretKeyFactory factory = SecretKeyFactory.getInstance(&quot;DES&quot;);\r\n\t\tKey convertSecretKey = factory.generateSecret(desKeySpec);\r\n\t\t\r\n\t\t\/\/\u52a0\u5bc6\r\n\t\tCipher cipher = Cipher.getInstance(&quot;DES\/ECB\/PKCS5Padding&quot;);\r\n\t\tcipher.init(Cipher.ENCRYPT_MODE, convertSecretKey);\r\n\t\tbyte[] result = cipher.doFinal(src.getBytes());\r\n\t\tSystem.out.println(&quot;bc des encrypt : &quot; + Hex.encodeHexString(result));\r\n\t\t\r\n\t\t\/\/\u89e3\u5bc6\r\n\t\tcipher.init(Cipher.DECRYPT_MODE, convertSecretKey);\r\n\t\tresult = cipher.doFinal(result);\r\n\t\tSystem.out.println(&quot;bc des decrypt : &quot; + new String(result));\r\n\t} catch (Exception e) {\r\n\t\te.printStackTrace();\r\n\t}\r\n}<\/pre>\n<h2>\n\t3DES\u7b97\u6cd5&nbsp;\u7684 java \u5b9e\u4f8b<br \/>\n<\/h2>\n<pre class=\"brush:java;\">\r\npublic static void jdk3DES() {\r\n\ttry {\r\n\t\t\/\/\u751f\u6210KEY\r\n\t\tKeyGenerator keyGenerator = KeyGenerator.getInstance(&quot;DESede&quot;);\r\n\t\t\/\/keyGenerator.init(168);\r\n\t\tkeyGenerator.init(new SecureRandom());\/\/\u9ed8\u8ba4\u957f\u5ea6\r\n\t\tSecretKey secretKey = keyGenerator.generateKey();\r\n\t\tbyte[] bytesKey = secretKey.getEncoded();\r\n\t\t\r\n\t\t\/\/KEY\u8f6c\u6362\r\n\t\tDESKeySpec desKeySpec = new DESKeySpec(bytesKey);\r\n\t\tSecretKeyFactory factory = SecretKeyFactory.getInstance(&quot;DES&quot;);\r\n\t\tKey convertSecretKey = factory.generateSecret(desKeySpec);\r\n\t\t\r\n\t\t\/\/\u52a0\u5bc6\r\n\t\tCipher cipher = Cipher.getInstance(&quot;DES\/ECB\/PKCS5Padding&quot;);\r\n\t\tcipher.init(Cipher.ENCRYPT_MODE, convertSecretKey);\r\n\t\tbyte[] result = cipher.doFinal(src.getBytes());\r\n\t\tSystem.out.println(&quot;jdk 3des encrypt : &quot; + Base64.encodeBase64String(result));\r\n\t\t\r\n\t\t\/\/\u89e3\u5bc6\r\n\t\tcipher.init(Cipher.DECRYPT_MODE, convertSecretKey);\r\n\t\tresult = cipher.doFinal(result);\r\n\t\tSystem.out.println(&quot;jdk 3des decrypt : &quot; + new String(result));\r\n\t} catch (Exception e) {\r\n\t\te.printStackTrace();\r\n\t}\r\n}<\/pre>\n<p>\n\t\u770b\u8d77\u6765\u90fd\u6bd4\u8f83\u7b80\u5355\uff0c\u9002\u5408\u5927\u5bb6\u5feb\u901f\u5165\u95e8\uff0c\u9a6c\u4e0a\u4e0a\u624b\u4f7f\u7528\u3002<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=1123\">Java \u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5DES \u7684\u4f7f\u7528\u6559\u7a0b<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u524d\u9762\u4e00\u7bc7\u6211\u5199\u4e86\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5IDEA\u7684\u4f7f\u7528\u6559\u7a0b\u300aJava \u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5IDEA \u7684\u4f7f\u7528\u6559\u7a0b\u300b\u3002\u4eca\u5929\u6211\u4eec\u6765\u5b66\u4e60\u53e6\u5916 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[874,873,69,685,870],"class_list":["post-1123","post","type-post","status-publish","format-standard","hentry","category-java","tag-3des","tag-des","tag-java","tag-685","tag-870"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1123"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1123\/revisions"}],"predecessor-version":[{"id":1124,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/1123\/revisions\/1124"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}