{"id":47847,"date":"2017-03-02T09:00:27","date_gmt":"2017-03-02T01:00:27","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=47847"},"modified":"2017-03-02T16:33:52","modified_gmt":"2017-03-02T08:33:52","slug":"sha-1-9223372036854775808-%e5%80%8b%e4%b8%8d%e9%9c%80%e6%93%94%e5%bf%83%e7%9a%84%e7%90%86%e7%94%b1","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=47847","title":{"rendered":"SHA-1: 9,223,372,036,854,775,808 \u500b\u4e0d\u9700\u64d4\u5fc3\u7684\u7406\u7531"},"content":{"rendered":"<h1><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/blog.trendmicro.com\/wp-content\/uploads\/2017\/02\/iStock-160542367.jpg\" width=\"1280\" height=\"720\" \/><\/h1>\n<p><strong>\u4f5c\u8005<\/strong><strong>\uff1a<\/strong>\u00a0Mark Nunnikhoven (\u8da8\u52e2\u79d1\u6280\u96f2\u7aef\u7814\u7a76\u526f\u7e3d\u88c1)<\/p>\n<p>SHA-1\uff08\u5168\u7a31Secure Hash Algorithm-1\uff09 \u96dc\u6e4a\u78bc\u88ab\u7834\u89e3\u4e86\uff0c\u9019\u65e9\u5df2\u4e0d\u662f\u65b0\u805e\uff0c\u4ee4\u4eba\u8a1d\u7570\u7684\u662f\uff0c<a href=\"https:\/\/shattered.it\/\">\u6709\u4eba\u771f\u7684\u5c55\u793a\u5be6\u969b\u653b\u64ca<\/a>\u3002\u4e0d\u904e\u8acb\u8a18\u4f4f\uff0c\u9019\u88e1\u6240\u8b02\u7684\u300c\u5be6\u969b\u300d\u662f\u5c0d\u65bc\u52a0\u5bc6\u5b78\u7814\u7a76\u4eba\u54e1\u800c\u8a00\uff0c\u4f46\u9019\u5c0d\u60a8\u7684\u65e5\u5e38\u8cc7\u8a0a\u751f\u6d3b\u4e26\u4e0d\u4e00\u5b9a\u6703\u9020\u6210\u5be6\u969b\u5f71\u97ff\u3002<\/p>\n<p>\u5118\u7ba1<a href=\"https:\/\/www.techmeme.com\/170223\/p12#a170223p12\">\u65b0\u805e<\/a>\u5435\u5f97\u6cb8\u6cb8\u63da\u63da\uff0c\u4f46 IT\u90e8\u9580\u3001\u65b0\u805e\u8a18\u8005\u53ca\u4e00\u822c\u4f7f\u7528\u8005\u537b\u4ecd\u641e\u4e0d\u61c2\u9019\u6709\u4ec0\u9ebc\u6f5b\u5728\u5f71\u97ff\u3002\u9019\u78ba\u5be6\u662f\u4e00\u500b\u5f88\u96e3\u7406\u89e3\u7684\u4e8b\uff0c\u52a0\u5bc6\u662f\u4e00\u9580\u5f88\u8907\u96dc\u7684\u5b78\u554f\uff0c\u5c31\u7b97\u662f\u6700\u7c21\u55ae\u7684<a href=\"https:\/\/www.cs.princeton.edu\/~felten\/encryption_primer.pdf\">\u65b0\u624b\u5165\u9580<\/a>\u9084\u662f\u5f88\u96e3\u8b93\u4eba\u7406\u89e3\u3002<\/p>\n<p>\u52a0\u5bc6\u5b78\u662f\u4e00\u9580\u7d50\u5408\u4e86\u96fb\u8166\u548c\u6578\u5b78\u7684\u9ad8\u6df1\u5b78\u554f\uff0c\u4f46\u4e5f\u662f\u8cc7\u8a0a\u5b89\u5168\u7684\u6839\u57fa\uff0c\u6240\u4ee5\u662f\u6700\u5177\u6311\u6230\u6027\u7684\u4e00\u74b0\u3002<\/p>\n<h2>SHA \u5230\u5e95\u662f\u4ec0\u9ebc\uff1f<\/h2>\n<p>SHA-1 \u6f14\u7b97\u6cd5\u662f\u773e\u591a\u96dc\u6e4a\u78bc\u8a08\u7b97\u51fd\u5f0f\u4e4b\u4e00\u3002\u96dc\u6e4a\u51fd\u5f0f\u662f\u4e00\u7a2e\u55ae\u5411\u7684\u6578\u5b78\u904b\u7b97\u51fd\u5f0f\uff0c\u53ef\u4ee5\u5f9e\u4efb\u4f55\u4e00\u7d44\u8cc7\u6599\u8a08\u7b97\u51fa\u4e00\u4e32\u56fa\u5b9a\u9577\u5ea6\u7684\u6578\u5b57\uff0c\u6211\u5011\u7a31\u4e4b\u70ba\u300c\u6458\u8981\u503c\u300d\u6216\u300c\u96dc\u6e4a\u78bc\u300d\u3002\u9019\u5c31\u597d\u6bd4\u7528\u4e00\u500b\u4e32 DNA \u5e8f\u5217\u4f86\u4ee3\u8868\u4e00\u500b\u4eba\u4e00\u6a23\uff0c\u5dee\u4e0d\u591a\u5c31\u662f\u9019\u6a23 (\u6211\u8aaa\u904e\u9019\u5f88\u8907\u96dc\u7684)\u3002<\/p>\n<p>\u6700\u4e3b\u8981\u7684\u91cd\u9ede\u662f\uff0c\u6bcf\u4e00\u4e32\u96dc\u6e4a\u78bc\uff0c\u7406\u8ad6\u4e0a\u90fd\u662f\u7368\u4e00\u7121\u4e8c\u7684\u3002\u56e0\u6b64\uff0c\u53ea\u8981\u662f\u539f\u59cb\u8cc7\u6599\u6709\u4efb\u4f55\u4e00\u9ede\u9ede\u7684\u8b8a\u52d5\uff0c\u5176\u8a08\u7b97\u51fa\u4f86\u7684\u96dc\u6e4a\u78bc<strong>\u61c9\u8a72<\/strong>\u6703\u622a\u7136\u4e0d\u540c\u3002\u5728\u9019\u65b9\u9762\uff0cSHA-1 \u6f14\u7b97\u6cd5\u5df2\u88ab\u8b49\u660e\u6709\u6f0f\u6d1e\u3002<\/p>\n<p>\u9019\u662f\u4e00\u9805\u91cd\u5927\u7684\u58de\u6d88\u606f\uff0c\u56e0\u70ba\u96dc\u6e4a\u78bc\u7684\u61c9\u7528\u7bc4\u570d\u975e\u5e38\u5ee3\u6cdb\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7528\u4f86\u6aa2\u67e5\u60a8\u6240\u4e0b\u8f09\u7684\u6a94\u6848\u662f\u5426\u906d\u5230\u7ac4\u6539<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7528\u4f86\u6aa2\u9a57\u6578\u4f4d\u6191\u8b49\u662f\u5426\u6b63\u78ba (\u4f8b\u5982\u6240\u8b02\u5b89\u5168\u7db2\u7ad9\u6240\u7528\u7684\u6191\u8b49)<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7528\u4f86\u7576\u6210\u6578\u4f4d\u7c3d\u7ae0<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u7528\u4f86\u9a57\u8b49\u5bc6\u78bc<\/p>\n<p>\u7c21\u800c\u8a00\u4e4b\uff0c\u96dc\u6e4a\u78bc\u662f\u6578\u4f4d\u4e16\u754c\u5f88\u91cd\u8981\u7684\u4e00\u74b0\u3002\u800c\u4efb\u4f55\u4e00\u500b\u74b0\u7bc0\u53ea\u8981\u6709\u5b89\u5168\u4e0a\u7684\u7591\u616e\uff0c\u90fd\u662f\u4e00\u4ef6\u5927\u4e8b\uff0c\u4e0d\u662f\u55ce\uff1f<\/p>\n<h2>\u58fd\u547d\u6709\u9650<\/h2>\n<p>\u5176\u5be6\uff0c\u6211\u5011\u65e9\u5c31\u77e5\u9053\u9072\u65e9\u6703\u51fa\u554f\u984c\uff0c\u53ea\u662f\u6642\u9593\u65e9\u665a\u800c\u5df2\u3002\u6b79\u5f92\u53ef\u7528\u7684\u5176\u4e2d\u4e00\u7a2e\u653b\u64ca\u65b9\u5f0f\u5c31\u662f\u6240\u8b02\u7684\u66b4\u529b\u7834\u89e3 (\u4e5f\u5c31\u662f\u5617\u8a66\u6240\u6709\u7684\u53ef\u80fd\u7d44\u5408\uff0c\u76f4\u5230\u627e\u5230\u70ba\u6b62)\u3002\u4f46\u7531\u65bc\u9019\u82b1\u7684\u6642\u9593\u592a\u9577 (\u82e5\u4f7f\u7528\u55ae\u4e00 GPU \u4f86\u904b\u7b97\u9700\u8981 1,200 \u842c\u5e74\u4ee5\u4e0a) \u56e0\u6b64\u904e\u53bb\u4e00\u76f4\u88ab\u8996\u70ba\u986f\u4e0d\u53ef\u80fd\u3002<\/p>\n<p>\u7136\u800c\uff0c<a href=\"https:\/\/g.co\/research\/protect\">Google<\/a> \u548c <a href=\"https:\/\/www.cwi.nl\/research-groups\/Cryptology\">CWI<\/a> \u7684\u5718\u968a\u6700\u8fd1\u5c55\u793a\u4e86\u4e00\u9805\u5feb 10 \u842c\u500d\u7684\u5168\u65b0\u653b\u64ca\u65b9\u5f0f\u3002\u9019\u4f7f\u5f97\u6574\u9ad4\u653b\u64ca\u6642\u9593<strong>\u7e2e\u77ed\u81f3<\/strong>9,223,372,036,854,775,808-\u8d85\u904e900 \u842c\u5146\u6b21, (\u82e5\u4ee5\u55ae\u4e00 GPU \u6574\u5929\u4e0d\u505c\u904b\u7b97\u7d04\u9700 110 \u5e74\u7684\u6642\u9593)\u3002<!--more--><\/p>\n<p>\u60a8\u61c9\u8a72\u4e0d\u96e3\u60f3\u50cf\uff0c\u5728\u4eca\u65e5\u96f2\u7aef\u8cc7\u6e90\u553e\u624b\u53ef\u5f97\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ea\u8981\u60a8\u64c1\u6709\u8db3\u5920\u7684\u8cc7\u6e90\uff0c\u5c31\u80fd\u52a0\u5feb\u653b\u64ca\u7684\u901f\u5ea6\u3002\u524d\u8ff0\u5718\u968a\u4f30\u8a08\u81f3\u5c11\u8981\u82b1\u8cbb 11 \u842c\u7f8e\u5143\u624d\u6709\u53ef\u80fd\u5b8c\u6210\u4e00\u6b21\u653b\u64ca\u3002<\/p>\n<p>\u5728\u9019\u9ebc\u9ad8\u7684\u6210\u672c\u4e0b\uff0c\u80fd\u5920\u767c\u52d5\u9019\u985e\u653b\u64ca\u7684\u7d44\u7e54\u61c9\u8a72\u5c11\u4e4b\u53c8\u5c11\u3002\u5c0d\u65bc\u7d55\u5927\u591a\u6578\u7684\u4f01\u696d\u6a5f\u69cb\u4f86\u8aaa\uff0c\u9019\u9805\u6d88\u606f\u4e26\u7121\u4efb\u4f55\u5f71\u97ff\u3002\u6700\u6709\u5f71\u97ff\u7684\u61c9\u8a72\u662f\u570b\u5bb6\u7d1a\u7684\u6a5f\u69cb\uff0c\u56e0\u70ba\u4ed6\u5011\u624d\u64c1\u6709\u7121\u9650\u7684\u8cc7\u6e90\u3002<\/p>\n<p>\u597d\u6d88\u606f\u662f\uff0c\u9019\u4e9b\u52a0\u5bc6\u6a19\u6e96\u5728\u5236\u5b9a\u6642\u5c31\u5df2\u77e5\u9053\u6578\u5b78\u6f14\u7b97\u6cd5\u4e0d\u662f\u6c38\u9060\u7121\u6575\uff0c\u800c\u904b\u7b97\u8cc7\u6e90\u7684\u6210\u672c\u4e5f\u6703\u9010\u6f38\u4e0b\u964d\u3002<\/p>\n<p>\u9019\u6b63\u662f\u70ba\u4f55 SHA-2 \u7cfb\u5217\u6f14\u7b97\u6cd5<a href=\"https:\/\/csrc.nist.gov\/publications\/fips\/fips180-2\/fips180-2withchangenotice.pdf\">\u65e9\u5728 2002 \u5e74\u5373\u5df2\u767c\u8868<\/a>\uff0c\u6b64\u5916\uff0c\u4e00\u4e9b\u7279\u5225\u6ce8\u91cd\u5b89\u5168\u7684\u7522\u54c1\u4e5f\u5df2\u5ee3\u6cdb\u63a1\u7528\u8a72\u7cfb\u5217\u7684\u52a0\u5bc6\u6f14\u7b97\u6cd5 (SHA-256\u3001SHA-384 \u53ca SHA-512)\u3002\u4e0d\u50c5\u5982\u6b64\uff0c<a href=\"https:\/\/csrc.nist.gov\/groups\/ST\/hash\/sha-3\/sha-3_standardization.html\">2015 \u5e74\u66f4\u767c\u8868\u4e86 SHA-3<\/a>\u3002<\/p>\n<p>SHA-3 \u4e26\u975e\u76f4\u63a5\u53d6\u4ee3 SHA-2\uff0c\u53ea\u662f\u589e\u52a0\u4e86\u4e00\u4e9b\u9632\u7bc4\u65b0\u8208\u653b\u64ca\u7ba1\u9053\u51fa\u73fe\u7684\u63aa\u65bd\u3002<\/p>\n<p>\u7531\u65bc\u99ed\u5ba2\u653b\u64ca\u6240\u9020\u6210\u7684\u4ee3\u50f9\u8d8a\u4f86\u8d8a\u9ad8\uff0c\u90a3\u9ebc\u9019\u9805\u6700\u65b0\u6d88\u606f\u4ee3\u8868\u8457\u4ec0\u9ebc\u610f\u7fa9\uff1f<\/p>\n<h2>\u5f37\u70c8\u8b66\u8a0a<\/h2>\n<p>\u9019\u9805\u6d88\u606f\u63d0\u9192\u6211\u5011\uff0c\u6578\u4f4d\u5b89\u5168\u7684\u57fa\u77f3\u4e26\u975e\u7262\u4e0d\u53ef\u7834\u3002\u56e0\u6b64\u5fc5\u9808\u5b9a\u671f\u91cd\u65b0\u6aa2\u8996\u4e26\u52a0\u4ee5\u66f4\u65b0\u3002\u9019\u4e00\u9ede\uff0c\u96dc\u6e4a\u78bc\u6f14\u7b97\u6cd5\u6a19\u6e96\u7684\u5236\u5b9a\u7a0b\u5e8f\u5df2\u7d93\u9810\u5148\u8a2d\u60f3\u5230\u3002<\/p>\n<p>\u773c\u524d\u9762\u81e8\u6311\u6230\u7684\u662f\u4e00\u4e9b\u4ef0\u8cf4 SHA-1 \u4f86\u904b\u4f5c\u7684\u57fa\u790e\u67b6\u69cb\u548c\u5de5\u5177\u3002\u5149\u662f\u6709\u4e86\u65b0\u7684\u6a19\u6e96\u4e26\u4e0d\u4ee3\u8868\u65b0\u7684\u6a19\u6e96\u5c31\u6703\u81ea\u52d5\u88ab\u63a1\u7d0d\u3002\u7522\u54c1\u7684\u958b\u767c\u5718\u968a\u82e5\u672a\u96a8\u6642\u6ce8\u610f\u65b0\u7684\u79d1\u6280\u767c\u5c55\u4e26\u96a8\u6642\u66f4\u65b0\u7a0b\u5f0f\u78bc\uff0c\u90a3\u554f\u984c\u5c07\u96a8\u4e4b\u800c\u4f86\u3002<\/p>\n<p>\u5118\u7ba1\u65b0\u805e\u8073\u52d5\uff0c\u4f46\u76ee\u524d\u4ecd\u672a\u770b\u5230\u4efb\u4f55\u4f7f\u7528\u8005\u53ef\u80fd\u5fc5\u9808\u64d4\u5fc3\u7684\u554f\u984c\u3002\u6700\u5e38\u88ab\u95dc\u5fc3\u7684\u554f\u984c\u662f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Git\">Git<\/a> \u9019\u500b\u6975\u70ba\u71b1\u9580\u7684\u539f\u59cb\u78bc\u7ba1\u7406\u5e73\u53f0\uff0c\u56e0\u70ba\u5b83\u6bcf\u6b21\u5b58\u6a94\u6642\u90fd\u6703\u904b\u7528\u5230 SHA-1 \u96dc\u6e4a\u78bc\u3002<\/p>\n<p>\u4f46\u6b63\u5982\u8a72\u5de5\u5177\u7684\u539f\u4f5c\u8005 Linus Torvalds <a href=\"https:\/\/marc.info\/?l=git&amp;m=148787047422954\">\u6307\u51fa<\/a>\uff0cGit \u7684\u8cc7\u6599\u5eab\u4e0d\u592a\u53ef\u80fd\u56e0\u70ba\u9019\u9ede\u800c\u906d\u5230\u653b\u64ca\uff0c\u9019\u5012\u4e00\u500b\u4ee5\u5ba2\u89c0\u7684\u89d2\u5ea6\u4f86\u770b\u5f85\u6f0f\u6d1e\u7684\u4e00\u500b\u7d55\u4f73\u7bc4\u4f8b\u3002<\/p>\n<p>\u5118\u7ba1\u5982\u6b64\uff0cGit \u8edf\u9ad4 (\u4ee5\u53ca\u5176\u4ed6\u985e\u4f3c\u8edf\u9ad4) \u61c9\u8a72\u958b\u59cb\u6162\u6162\u6dd8\u6c70 SHA-1\u3002\u5c0d\u65bc\u9084\u6c92\u958b\u59cb\u505a\u7684\u8edf\u9ad4\uff0c\u61c9\u8a72\u5c07\u9019\u9805\u79fb\u8f49\u4f5c\u696d\u5217\u70ba\u7b2c\u4e00\u8981\u52d9\u3002\u56e0\u70ba\uff0c\u6b79\u5f92\u767c\u52d5\u653b\u64ca\u7684\u6210\u672c\u53ea\u6703\u8d8a\u4f86\u8d8a\u4f4e\uff0c\u6240\u4ee5\u767c\u751f\u7684\u6a5f\u7387\u5c07\u8d8a\u4f86\u8d8a\u9ad8\u3002<\/p>\n<h2>\u4e0b\u4e00\u6b65\u8a72\u600e\u9ebc\u505a<\/h2>\n<p>\u5c0d\u65bc\u96fb\u8166\u79d1\u5b78\u3001\u6578\u5b78\u53ca\u52a0\u5bc6\u5b78\u9818\u57df\u7684\u7814\u7a76\u4eba\u54e1\u4f86\u8aaa\uff0c\u9019\u9805\u6d88\u606f\u78ba\u5be6\u9817\u6709\u610f\u601d\u3002\u4f46\u5c0d\u7d55\u5927\u591a\u6578\u7684\u6211\u5011\u4f86\u8aaa\uff0c\u9019\u53ea\u662f\u63d0\u9192\u6211\u5011\u8a72\u5b9a\u671f\u91cd\u65b0\u6aa2\u8996\u4e26\u66f4\u65b0\u6211\u5011\u6240\u4f7f\u7528\u7684\u6280\u8853\u3002<\/p>\n<p>\u79d1\u6280\u65e5\u65b0\u6708\u7570\uff0c\u904b\u7b97\u6210\u672c\u8d8a\u4f86\u8d8a\u4fbf\u5b9c\uff0c\u9019\u5c0d\u6574\u500b\u79d1\u6280\u7522\u696d\u548c\u6240\u6709\u76f8\u95dc\u4eba\u54e1\u90fd\u662f\u4ef6\u597d\u4e8b\u3002\u4f46\u58de\u8655\u662f\uff0c\u6211\u5011\u5fc5\u9808\u4e0d\u65b7\u91cd\u65b0\u6aa2\u8a0e\u4e26\u9069\u6642\u66f4\u65b0\u6211\u5011\u6240\u501a\u8cf4\u7684\u6578\u4f4d\u5b89\u5168\u57fa\u790e\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/blog.trendmicro.com\/sha-1-9223372036854775808-reasons-not-worry\/\"> SHA-1: 9,223,372,036,854,775,808 Reasons Not To Worry<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a\u00a0Mark Nunnikhoven (\u8da8\u52e2\u79d1\u6280\u96f2\u7aef\u7814\u7a76\u526f\u7e3d\u88c1) SHA-1\uff08\u5168\u7a31Secure Hash  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[339],"tags":[2525,149],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/47847"}],"collection":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=47847"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/47847\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=47847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=47847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=47847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}