{"id":704,"date":"2007-03-08T16:47:45","date_gmt":"2007-03-08T16:47:45","guid":{"rendered":"http:\/\/www.icocean.com\/blog\/?p=704"},"modified":"1970-01-01T07:00:00","modified_gmt":"1970-01-01T07:00:00","slug":"%E5%A6%82%E4%BD%95%E9%9D%A2%E5%AF%B9%E6%9C%80%E5%BC%BA%E7%AE%97%E6%B3%95md5%E8%A2%AB%E7%A0%B4%E8%AF%91","status":"publish","type":"post","link":"https:\/\/www.icocean.com\/blog\/?p=704","title":{"rendered":"\u5982\u4f55\u9762\u5bf9\u6700\u5f3a\u7b97\u6cd5MD5\u88ab\u7834\u8bd1"},"content":{"rendered":"

\u5982\u4f55\u9762\u5bf9\u6700\u5f3a\u7b97\u6cd5MD5\u88ab\u7834\u8bd1<\/p>\n

    2004\u5e74 \u53ec\u5f00\u7684\u56fd\u9645\u5bc6\u7801\u5b66\u5e74\u4f1a\uff08Crypto 2004\uff09\u4e0a\uff0c\u6765\u81ea\u4e2d\u56fd\u5c71\u4e1c\u5927\u5b66\u738b\u5c0f\u4e91\u6559\u6388\u7684\u4e00\u7bc7\u5173\u4e8e”\u7834\u8bd1MD5\u3001HAVAL\uff0d128\u3001MD4\u4ee5\u53caRIPEMD\uff0d128\u7b97\u6cd5”\u7684\u62a5\u544a\u5f15\u8d77\u4e86\u8f70\u52a8\uff0c\u62a5\u544a\u4e2d\u63d0\u5230\u7684\u65b0\u7834\u8bd1\u65b9\u6cd5\u51e0\u4e4e\u6807\u5fd7\u7740\u4e16\u754c\u901a\u4fe1\u5bc6\u7801\u6807\u51c6\u2014\u2014MD5\u5821\u5792\u7684\u8f70\u7136\u5012\u584c\u3002<\/p>\n

  \u4e00\u77f3\u6fc0\u8d77\u5343\u5c42\u6d6a\uff0c\u6b64\u524d\u4e00\u76f4\u8d1f\u8d23\u516c\u5f00\u5f81\u96c6\u9488\u5bf9MD5\u7684\u653b\u51fb\u800c\u8bbe\u7acb\u7684\u6743\u5a01\u7ad9\u70b9http\ue6e5\/\/www\uff0emd5crk\uff0ecom\/\u5ba3\u5e03”\u7531\u4e8eMD5\u7834\u8bd1\u83b7\u5f97\u7a81\u7834\u6027\u8fdb\u5c55\uff0cMD5\u7834\u89e3\u9879\u76ee\uff08MD5CRK Project\uff09\u5373\u65e5\u505c\u6b62”\uff0c\u5e76\u5f00\u59cb\u63d0\u4f9b\u8be5\u7ad9\u70b9\u4ee5\u5f80\u6280\u672f\u8d44\u6599\u7684\u4e0b\u8f7d\uff0c\u9884\u8ba1\u8be5\u7ad9\u70b9\u4e5f\u5c06\u5728\u4e0d\u4e45\u7684\u5c06\u6765\u5b8c\u5168\u5173\u95ed\u3002\u9762\u5bf9MD5\u88ab\u7834\u8bd1\uff0c\u6709\u4eba\u4e00\u58f0\u53f9\u606f\uff0c\u6709\u4eba\u89c9\u5f97\u4e0d\u53ef\u601d\u8bae\uff0c\u66f4\u6709\u4eba\u5fe7\u8651\u751a\u81f3\u6050\u614c……\u90a3\u4e48\u7a76\u7adfMD5\u6709\u4ec0\u4e48\u6765\u5934\uff1f\u5b83\u88ab\u7834\u8bd1\u662f\u5426\u610f\u5473\u7740”\u5730\u7403\u5c06\u4e0d\u518d\u65cb\u8f6c”\uff1f\u8c01\u5c06\u6210\u4e3a\u5b83\u7684\u7ee7\u627f\u8005\uff1f\u8bf7\u770b\u2014\u2014 <\/p>\n

\u3000\u3000\u4e00\u3001MD5\u662f\u4f55\u65b9\u795e\u5723\uff1f <\/p>\n

\u3000\u3000\u6240\u8c13MD5\uff0c\u5373”Message-Digest Algorithm 5\uff08\u4fe1\u606f-\u6458\u8981\u7b97\u6cd5\uff09”\uff0c\u5b83\u7531MD2\u3001MD3\u3001MD4\u53d1\u5c55\u800c\u6765\u7684\u4e00\u79cd\u5355\u5411\u51fd\u6570\u7b97\u6cd5\uff08\u4e5f\u5c31\u662fHASH\u7b97\u6cd5\uff09\uff0c\u5b83\u662f\u56fd\u9645\u8457\u540d\u7684\u516c\u94a5\u52a0\u5bc6\u7b97\u6cd5\u6807\u51c6RSA\u7684\u7b2c\u4e00\u8bbe\u8ba1\u8005R.Rivest\u4e8e\u4e0a\u4e2a\u4e16\u7eaa90\u5e74\u4ee3\u521d\u5f00\u53d1\u51fa\u6765\u7684\u3002MD5\u7684\u6700\u5927\u4f5c\u7528\u5728\u4e8e\uff0c\u5c06\u4e0d\u540c\u683c\u5f0f\u7684\u5927\u5bb9\u91cf\u6587\u4ef6\u4fe1\u606f\u5728\u7528\u6570\u5b57\u7b7e\u540d\u8f6f\u4ef6\u6765\u7b7e\u7f72\u79c1\u4eba\u5bc6\u94a5\u524d”\u538b\u7f29”\u6210\u4e00\u79cd\u4fdd\u5bc6\u7684\u683c\u5f0f\uff0c\u5173\u952e\u4e4b\u5904\u5728\u4e8e\u2014\u2014\u8fd9\u79cd”\u538b\u7f29”\u662f\u4e0d\u53ef\u9006\u7684\u3002 <\/p>\n

\u3000\u3000\u4e3a\u4e86\u8ba9\u8bfb\u8005\u670b\u53cb\u5bf9MD5\u7684\u5e94\u7528\u6709\u4e2a\u76f4\u89c2\u7684\u8ba4\u8bc6\uff0c\u7b14\u8005\u4ee5\u4e00\u4e2a\u6bd4\u65b9\u548c\u4e00\u4e2a\u5b9e\u4f8b\u6765\u7b80\u8981\u63cf\u8ff0\u4e00\u4e0b\u5176\u5de5\u4f5c\u8fc7\u7a0b\uff1a <\/p>\n

\u3000\u3000\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u5730\u7403\u4e0a\u4efb\u4f55\u4eba\u90fd\u6709\u81ea\u5df1\u72ec\u4e00\u65e0\u4e8c\u7684\u6307\u7eb9\uff0c\u8fd9\u5e38\u5e38\u6210\u4e3a\u516c\u5b89\u673a\u5173\u9274\u522b\u7f6a\u72af\u8eab\u4efd\u6700\u503c\u5f97\u4fe1\u8d56\u7684\u65b9\u6cd5\uff1b\u4e0e\u4e4b\u7c7b\u4f3c\uff0cMD5\u5c31\u53ef\u4ee5\u4e3a\u4efb\u4f55\u6587\u4ef6\uff08\u4e0d\u7ba1\u5176\u5927\u5c0f\u3001\u683c\u5f0f\u3001\u6570\u91cf\uff09\u4ea7\u751f\u4e00\u4e2a\u540c\u6837\u72ec\u4e00\u65e0\u4e8c\u7684”\u6570\u5b57\u6307\u7eb9”\uff0c\u5982\u679c\u4efb\u4f55\u4eba\u5bf9\u6587\u4ef6\u505a\u4e86\u4efb\u4f55\u6539\u52a8\uff0c\u5176MD5\u503c\u4e5f\u5c31\u662f\u5bf9\u5e94\u7684”\u6570\u5b57\u6307\u7eb9”\u90fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002 <\/p>\n

\u3000\u3000\u6211\u4eec\u5e38\u5e38\u5728\u67d0\u4e9b\u8f6f\u4ef6\u4e0b\u8f7d\u7ad9\u70b9\u7684\u67d0\u8f6f\u4ef6\u4fe1\u606f\u4e2d\u770b\u5230\u5176MD5\u503c\uff0c\u5b83\u7684\u4f5c\u7528\u5c31\u5728\u4e8e\u6211\u4eec\u53ef\u4ee5\u5728\u4e0b\u8f7d\u8be5\u8f6f\u4ef6\u540e\uff0c\u5bf9\u4e0b\u8f7d\u56de\u6765\u7684\u6587\u4ef6\u7528\u4e13\u95e8\u7684\u8f6f\u4ef6\uff08\u5982Windows MD5 Check\u7b49\uff09\u505a\u4e00\u6b21MD5\u6821\u9a8c\uff0c\u4ee5\u786e\u4fdd\u6211\u4eec\u83b7\u5f97\u7684\u6587\u4ef6\u4e0e\u8be5\u7ad9\u70b9\u63d0\u4f9b\u7684\u6587\u4ef6\u4e3a\u540c\u4e00\u6587\u4ef6\u3002\u5229\u7528MD5\u7b97\u6cd5\u6765\u8fdb\u884c\u6587\u4ef6\u6821\u9a8c\u7684\u65b9\u6848\u88ab\u5927\u91cf\u5e94\u7528\u5230\u8f6f\u4ef6\u4e0b\u8f7d\u7ad9\u3001\u8bba\u575b\u6570\u636e\u5e93\u3001\u7cfb\u7edf\u6587\u4ef6\u5b89\u5168\u7b49\u65b9\u9762\u3002 <\/p>\n

\u3000\u3000\u7b14\u8005\u4e0a\u9762\u63d0\u5230\u7684\u4f8b\u5b50\u53ea\u662fMD5\u7684\u4e00\u4e2a\u57fa\u672c\u5e94\u7528\uff0c\u5b9e\u9645\u4e0aMD5\u8fd8\u88ab\u7528\u4e8e\u52a0\u5bc6\u89e3\u5bc6\u6280\u672f\u4e0a\uff0c\u5982Unix\u3001\u5404\u7c7bBSD\u7cfb\u7edf\u767b\u5f55\u5bc6\u7801\uff08\u5728MD5\u8bde\u751f\u524d\u91c7\u7528\u7684\u662fDES\u52a0\u5bc6\u7b97\u6cd5\uff0c\u540e\u56e0MD5\u5b89\u5168\u6027\u66f4\u9ad8\uff0cDES\u88ab\u6dd8\u6c70\uff09\u3001\u901a\u4fe1\u4fe1\u606f\u52a0\u5bc6\uff08\u5982\u5927\u5bb6\u719f\u6089\u7684\u5373\u65f6\u901a\u4fe1\u8f6f\u4ef6MyIM\uff09\u3001\u6570\u5b57\u7b7e\u540d\u7b49\u8bf8\u591a\u65b9\u9762\u3002 <\/p>\n

\u3000\u3000\u4e8c\u3001MD5\u7684\u6d88\u4ea1\u4e4b\u8def <\/p>\n

\u3000\u3000\u5b9e\u9645\u4e0a\uff0c\u4eceMD5\u8bde\u751f\u4e4b\u65e5\u8d77\uff0c\u6765\u81ea\u7f8e\u56fd\u540d\u4e3aVan Oorschot\u548cWiener\u7684\u4e24\u4f4d\u5bc6\u7801\u5b66\u4e13\u5bb6\u5c31\u53d1\u73b0\u4e86\u4e00\u4e2a\u66b4\u529b\u641c\u5bfb\u51b2\u7a81\u7684\u51fd\u6570\uff0c\u5e76\u9884\u7b97\u51fa”\u4f7f\u7528\u4e00\u4e2a\u4e13\u95e8\u7528\u6765\u641c\u7d22MD5\u51b2\u7a81\u7684\u673a\u5668\u53ef\u4ee5\u5e73\u5747\u6bcf24\u5929\u5c31\u627e\u5230\u4e00\u4e2a\u51b2\u7a81”\u3002\u4e0d\u8fc7\u7531\u4e8e\u8be5\u65b9\u6848\u4ec5\u4ec5\u4ece\u7406\u8bba\u4e0a\u8bc1\u660e\u4e86MD5\u7684\u4e0d\u5b89\u5168\u6027\uff0c\u4e14\u5b9e\u73b0\u7684\u4ee3\u4ef7\u53ca\u5176\u5938\u5f20\uff08\u5f53\u65f6\u8981\u5236\u9020\u8fd9\u79cd\u4e13\u95e8\u7684\u8ba1\u7b97\u673a\uff0c\u6210\u672c\u9700\u8981100\u4e07\u7f8e\u5143\uff09\uff0c\u4e8e\u662fMD5\u81ea\u5176\u8bde\u751f\u5341\u591a\u5e74\u6765\u4e00\u76f4\u672a\u6709\u65b0\u7248\u672c\u6216\u8005\u88ab\u5176\u5b83\u7b97\u6cd5\u5f7b\u5e95\u53d6\u4ee3\u3002 <\/p>\n

\u3000\u3000\u5728\u63a5\u4e0b\u6765\u7684\u65e5\u5b50\u91cc\uff0c\u6709\u5173MD5\u7684\u7834\u8bd1\u53c8\u8bde\u751f\u4e86”\u91ce\u86ee\u653b\u51fb”\uff0c\u4e5f\u5c31\u662f\u7528”\u7a77\u4e3e\u6cd5”\u4ece\u6240\u6709\u53ef\u80fd\u4ea7\u751f\u7684\u7ed3\u679c\u4e2d\u627e\u5230\u88abMD5\u52a0\u5bc6\u7684\u539f\u59cb\u660e\u6587\uff0c\u4e0d\u8fc7\u7531\u4e8eMD5\u91c7\u7528128\u4f4d\u52a0\u5bc6\u65b9\u6cd5\uff0c\u5373\u4f7f\u4e00\u53f0\u673a\u5668\u6bcf\u79d2\u5c1d\u8bd510\u4ebf\u6761\u660e\u6587\uff0c\u90a3\u4e48\u8981\u7834\u8bd1\u51fa\u539f\u59cb\u660e\u6587\u5927\u6982\u9700\u898110\u768422\u6b21\u65b9\u5e74\uff0c\u800c\u4e00\u6b3e\u540d\u4e3a”MD5\u7206\u7834\u5de5\u5177”\u7684\u8f6f\u4ef6\uff0c\u6bcf\u79d2\u8fdb\u884c\u7684\u8fd0\u7b97\u4ec5\u4ec5\u4e3a2\u4e07\u6b21\uff01 <\/p>\n

\u3000\u3000\u7ecf\u8fc7\u65e0\u6570MD5\u7b97\u6cd5\u7814\u7a76\u4e13\u5bb6\u7684\u52aa\u529b\uff0c\u5148\u540e\u53c8\u8bde\u751f\u4e86”\u751f\u65e5\u653b\u51fb”\u3001”\u5fae\u5206\u653b\u51fb”\u7b49\u591a\u79cd\u7834\u8bd1\u65b9\u6cd5\uff08\u76f8\u5173\u4fe1\u606f\u5927\u5bb6\u53ef\u4ee5\u53c2\u8003\u7814\u7a76\u6210\u679c\uff0c\u5927\u5927\u63a8\u8fdb\u4e86md5\u7b97\u6cd5\u6d88\u4ea1\u7684\u8fdb\u7a0b\u3002\u5c3d\u7ba1\u5728\u7814\u7a76\u62a5\u544a\u4e2d\u5e76\u6ca1\u6709\u63d0\u53ca\u5177\u4f53\u7684\u5b9e\u73b0\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3a\uff0cmd5\u88ab\u5f7b\u5e95\u653b\u7834\u5df2\u7ecf\u626b\u9664\u4e86\u6280\u672f\u4e0a\u7684\u969c\u788d\uff0c\u5269\u4e0b\u7684\u4ec5\u4ec5\u662f\u65f6\u95f4\u548c\u7cbe\u529b\u4e0a\u7684\u95ee\u9898\u3002\/” target=_blank>http:\/\/www.md5crk.com\uff09\u3002\u6b64\u6b21\u5c71\u4e1c\u5927\u5b66\u51e0\u4f4d\u6559\u6388\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\uff0c\u5927\u5927\u63a8\u8fdb\u4e86MD5\u7b97\u6cd5\u6d88\u4ea1\u7684\u8fdb\u7a0b\u3002\u5c3d\u7ba1\u5728\u7814\u7a76\u62a5\u544a\u4e2d\u5e76\u6ca1\u6709\u63d0\u53ca\u5177\u4f53\u7684\u5b9e\u73b0\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba4\u4e3a\uff0cMD5\u88ab\u5f7b\u5e95\u653b\u7834\u5df2\u7ecf\u626b\u9664\u4e86\u6280\u672f\u4e0a\u7684\u969c\u788d\uff0c\u5269\u4e0b\u7684\u4ec5\u4ec5\u662f\u65f6\u95f4\u548c\u7cbe\u529b\u4e0a\u7684\u95ee\u9898\u3002 <\/p>\n

\u3000\u3000\u4e09\u3001MD5\u5b8c\u86cb\u4e86\uff0c\u653e\u5728\u94f6\u884c\u7684\u5b58\u6b3e\u8fd8\u5b89\u5168\u5417\uff1f <\/p>\n

\u3000\u3000\u7531\u4e8eMD5\u5e94\u7528\u6781\u5176\u5e7f\u6cdb\uff0c\u5373\u4f7f\u662f\u5728\u94f6\u884c\u6570\u5b57\u7b7e\u540d\u8bc1\u4e66\u4e2d\uff0c\u5b83\u4f9d\u7136\u5360\u636e\u7740\u6bd4\u8f83\u91cd\u8981\u7684\u5730\u4f4d\uff0c\u6b64\u6b21MD5\u88ab\u6210\u529f\u7834\u8bd1\u7684\u65b0\u95fb\u8ba9\u4e0d\u5c11\u4e0d\u660e\u6240\u4ee5\u7684\u4eba\u611f\u5230”\u6050\u60e7”\uff0c\u8ba4\u4e3a\u8fd9\u662f\u5bf9\u6574\u4e2a\u5bc6\u7801\u754c\u7684\u5f7b\u5e95\u98a0\u8986\uff0c\u751a\u81f3\u6709\u4eba\u5f00\u59cb\u62c5\u5fc3”\u81ea\u5df1\u653e\u5728\u94f6\u884c\u6216\u8005\u7f51\u7edc\u94f6\u884c\u8d26\u6237\u4e2d\u7684\u5b58\u6b3e\u4e5f\u6709\u88ab\u76d7\u53d6\u7684\u53ef\u80fd”\u3002 <\/p>\n

\u3000\u3000\u5176\u5b9e\u8fd9\u79cd\u5fe7\u8651\u5b8c\u5168\u662f\u675e\u4eba\u5fe7\u5929\uff0c\u4ee5\u76ee\u524d\u4e3b\u6d41\u7684\u7f51\u7edc\u94f6\u884c\u7684\u52a0\u5bc6\u6280\u672f\u4e3a\u4f8b\uff0c\u5b83\u4eec\u90fd\u6784\u5efa\u4e8ePKI\uff08Pubic Key Infrastructure\uff0c\u516c\u94a5\u52a0\u5bc6\u6280\u672f\uff09\u5e73\u53f0\u4e4b\u4e0a\uff0c\u4e0e\u516c\u94a5\u6210\u5bf9\u7684\u79c1\u94a5\u53ea\u638c\u63e1\u5728\u4e0e\u4e4b\u901a\u4fe1\u7684\u53e6\u4e00\u65b9\uff0c\u8fd9\u4e00”\u4fe1\u4efb\u5173\u7cfb”\u662f\u901a\u8fc7\u516c\u94a5\u8bc1\u4e66\u6765\u5b9e\u73b0\u7684\u3002PKI\u7684\u6574\u4e2a\u5b89\u5168\u4f53\u7cfb\u7531\u52a0\u5bc6\u3001\u6570\u5b57\u7b7e\u540d\u3001\u6570\u636e\u5b8c\u6574\u6027\u673a\u5236\u7b49\u6280\u672f\u6765\u5171\u540c\u4fdd\u969c\uff0c\u5176\u5bc6\u7801\u7b97\u6cd5\u5305\u62ec\u5bf9\u79f0\u5bc6\u7801\u7b97\u6cd5\uff08\u5982DES\u30013DES\uff09\u3001\u516c\u5f00\u5bc6\u94a5\u5bc6\u7801\u7b97\u6cd5\uff08\u5982ECC\u3001RSA\uff09\uff0c\u5373\u4f7f\u5728\u540c\u6837\u6709\u5e94\u7528\u7684HASH\u7b97\u6cd5\u65b9\u9762\uff0c\u76ee\u524d\u7f51\u7edc\u94f6\u884c\u6240\u91c7\u7528\u7684\u5927\u591a\u662fSHA-1\u7b97\u6cd5\uff0c\u8be5\u7b97\u6cd5\u4e0eMD5\u7684128\u4f4d\u52a0\u5bc6\u76f8\u6bd4\uff0c\u4f7f\u7528\u4e86160\u4f4d\u52a0\u5bc6\u65b9\u5f0f\uff0c\u6bd4MD5\u5b89\u5168\u6027\u9ad8\u4e0d\u5c11\u3002 <\/p>\n

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\u3000\u3000\u56db\u3001MD5\u7684\u7ee7\u627f\u8005\u4eec <\/p>\n

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