{"id":1187,"date":"2015-04-01T08:20:48","date_gmt":"2015-04-01T08:20:48","guid":{"rendered":"http:\/\/blog.zhukunqian.com\/?p=1187"},"modified":"2015-04-01T09:17:47","modified_gmt":"2015-04-01T09:17:47","slug":"%e6%95%b0%e6%8d%ae%e6%b5%81%e5%8a%a0%e5%af%86","status":"publish","type":"post","link":"https:\/\/blog.zhukunqian.com\/?p=1187","title":{"rendered":"\u6570\u636e\u6d41\u52a0\u5bc6"},"content":{"rendered":"<p>\u6700\u8fd1\u770b\u4e86\u4e0b\u6570\u636e\u6d41\u52a0\u5bc6\u3002<\/p>\n<p>\u6700\u521d\u9879\u76ee\u7ec4\u91c7\u7528\u4e86rc4\u52a0\u5bc6\uff0c\u4f46\u53cc\u65b9\u5bc6\u94a5\u76f4\u63a5\u660e\u6587\u5b58\u50a8\u3002\u88ab\u786e\u89e3\u7684\u53ef\u80fd\u6027\u5f88\u5927\u3002<\/p>\n<p>\u770b\u4e86\u4e91\u98ce\u4ecb\u7ecd\u4e86\uff0c\u4f7f\u7528dh\u8fdb\u884crc4\u5bc6\u94a5\u4ea4\u6362\uff0c\u9042\u52a8\u624b\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>dh\u662f\u975e\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u7528\u4e8e\u4ea4\u6362\u5bc6\u94a5\u3002<\/p>\n<p>\u670d\u52a1\u5668\u4f7f\u7528java<\/p>\n<p>\u5ba2\u6237\u7aef\u4f7f\u7528c#<\/p>\n<p>\u91c7\u4e86\u51e0\u4e2a\u5751\uff1a<\/p>\n<p>1\u3001java\u4e2dpubkey\u4f7f\u7528X509\u683c\u5f0f\u5b58\u50a8\uff0cprikey\u4f7f\u7528PKCS8\u683c\u5f0f\u5b58\u50a8\uff0c\u5982\u679c\u8981\u53d6\u5230\u539f\u59cb\u660e\u6587\uff0c\u9700\u8981\u4f7f\u7528\uff1a<\/p>\n<pre class=\"brush: bash; gutter: true\">public static Map&lt;String, BigInteger&gt; initKeyRaw() {\r\n\t\ttry {\r\n\t\t\tKeyPairGenerator gen = KeyPairGenerator.getInstance(&quot;DH&quot;);\r\n\t\t\tgen.initialize(KEY_SIZE);\r\n\r\n\t\t\tKeyPair keyPair = gen.generateKeyPair();\r\n\r\n\t\t\tDHPublicKey dhPublicKey = (DHPublicKey) keyPair.getPublic();\r\n\t\t\tDHPrivateKey dhPrivateKey = (DHPrivateKey) keyPair.getPrivate();\r\n\r\n\t\t\tMap&lt;String, BigInteger&gt; ret = Maps.newHashMap();\r\n\t\t\tret.put(&quot;x&quot;, dhPrivateKey.getX());\r\n\t\t\tret.put(&quot;y&quot;, dhPublicKey.getY());\r\n\t\t\tret.put(&quot;p&quot;, dhPublicKey.getParams().getP());\r\n\t\t\tret.put(&quot;g&quot;, dhPublicKey.getParams().getG());\r\n\t\t\treturn ret;\r\n\t\t} catch (Exception e) {\r\n\t\t\te.printStackTrace();\r\n\t\t}\r\n\t\treturn null;\r\n\t}\r\n\r\n\tpublic static Map&lt;String, BigInteger&gt; initKeyRaw(BigInteger y, BigInteger p, BigInteger g) {\r\n\t\ttry {\r\n\t\t\tKeySpec keySpec = new DHPublicKeySpec(y, p, g);\r\n\t\t\tKeyFactory keyFactory = KeyFactory.getInstance(&quot;DH&quot;);\r\n\t\t\tPublicKey pubKey = keyFactory.generatePublic(keySpec);\r\n\t\t\tDHParameterSpec dhParamSpec = ((DHPublicKey) pubKey).getParams();\r\n\r\n\t\t\tKeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(keyFactory.getAlgorithm());\r\n\t\t\tkeyPairGenerator.initialize(dhParamSpec);\r\n\r\n\t\t\tKeyPair keyPair = keyPairGenerator.generateKeyPair();\r\n\r\n\t\t\tDHPublicKey dhPublicKey = (DHPublicKey) keyPair.getPublic();\r\n\t\t\tDHPrivateKey dhPrivateKey = (DHPrivateKey) keyPair.getPrivate();\r\n\t\t\tMap&lt;String, BigInteger&gt; ret = Maps.newHashMap();\r\n\t\t\tret.put(&quot;x&quot;, dhPrivateKey.getX());\r\n\t\t\tret.put(&quot;y&quot;, dhPublicKey.getY());\r\n\t\t\tret.put(&quot;p&quot;, dhPublicKey.getParams().getP());\r\n\t\t\tret.put(&quot;g&quot;, dhPublicKey.getParams().getG());\r\n\t\t\treturn ret;\r\n\t\t} catch (Exception e) {\r\n\t\t\te.printStackTrace();\r\n\t\t}\r\n\t\treturn null;\r\n\t}<\/pre>\n<p>2\u3001\u7b2c\u4e8c\u4e2a\u5751<\/p>\n<p>\u5728\u7f51\u4e0a\u627e\u4e86\u4e00\u4e2ac#\u7248\u7684dh\u6e90\u7801\uff0c\u5982\u679c\u53d1\u73b0\u4e24\u8fb9\u751f\u6210\u7684key\u600e\u4e48\u90fd\u4e0d\u5bf9\uff0c\u6700\u540e\u5b9a\u4f4d\u5230\uff0cjava \u4e2d\u7684biginteger\u662f\u5e26\u7b26\u53f7\u4f4d\u7684\u3002c#\u7248\u4e2d\u7684biginteger\u662f\u65e0\u7b26\u53f7\u4f4d\u7684\uff0c\u8ba1\u7b97\u7ed3\u679c\u5f53\u7136\u5c31\u4e0d\u6b63\u786e\u4e86\u3002<\/p>\n<p>\u6211\u7684\u89e3\u51b3\u65b9\u5f0f\u662f\u5728java\u4e2d\u8f6c\u4e3abiginterger\u524d\uff0c\u6dfb\u52a0\u201c00\u201d\uff0c\u8fd9\u6837\u907f\u514d\u4e86biginteger\u53d8\u4e3a\u8d1f\u6570\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u770b\u4e86\u4e0b\u6570\u636e\u6d41\u52a0\u5bc6\u3002 \u6700\u521d\u9879\u76ee\u7ec4\u91c7\u7528\u4e86rc4\u52a0\u5bc6\uff0c\u4f46\u53cc\u65b9\u5bc6\u94a5\u76f4\u63a5\u660e\u6587\u5b58\u50a8\u3002\u88ab\u786e &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/blog.zhukunqian.com\/?p=1187\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/1187"}],"collection":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1187"}],"version-history":[{"count":3,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/1187\/revisions"}],"predecessor-version":[{"id":1190,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=\/wp\/v2\/posts\/1187\/revisions\/1190"}],"wp:attachment":[{"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhukunqian.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}