{"id":10020378,"date":"2024-11-05T23:55:20","date_gmt":"2024-11-05T15:55:20","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020378"},"modified":"2024-11-05T23:55:20","modified_gmt":"2024-11-05T15:55:20","slug":"%e4%b8%80%e4%b8%aa%e6%9c%89%e4%ba%89%e8%ae%ae%e7%9a%84%e8%af%9d%e9%a2%98%ef%bc%9a%e5%ae%a2%e6%88%b7%e7%ab%af%e5%af%86%e7%a0%81%e5%8a%a0%e5%af%86%e6%9c%89%e5%bf%85%e8%a6%81%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020378","title":{"rendered":"\u4e00\u4e2a\u6709\u4e89\u8bae\u7684\u8bdd\u9898\uff1a\u5ba2\u6237\u7aef\u5bc6\u7801\u52a0\u5bc6\u6709\u5fc5\u8981\u5417\uff1f"},"content":{"rendered":"<p>\u548c\u5c0f\u4f19\u4f34\u4eec\u8ba8\u8bba\u4e00\u4e2a\u6709\u4e89\u8bae\u7684\u8bdd\u9898\uff1a<\/p>\n<ul>\n<li>\u5bc6\u7801\u52a0\u5bc6\u9700\u8981\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u5417\uff1f<\/li>\n<\/ul>\n<p>\u6709\u7684\u4eba\u89c9\u5f97\u5bc6\u7801\u52a0\u5bc6\u76f4\u63a5\u5728\u670d\u52a1\u7aef\u8fdb\u884c\u5c31\u53ef\u4ee5\u4e86\uff0c\u6ca1\u5fc5\u8981\u5728\u5ba2\u6237\u7aef\u505a\uff1b\u5f53\u7136\u4e5f\u6709\u4eba\u89c9\u5f97\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u5bc6\u7801\u52a0\u5bc6\uff0c\u964d\u4f4e\u670d\u52a1\u5668\u7684\u538b\u529b\u3002<\/p>\n<p>\u4f60\u8981\u95ee\u677e\u54e5\u9879\u76ee\u4e2d\u662f\u600e\u4e48\u505a\u7684\uff0c\u6211\u4f1a\u544a\u8bc9\u4f60\u6211\u4eec\u5728\u5ba2\u6237\u7aef\u5c31\u5bf9\u5bc6\u7801\u52a0\u5bc6\u4e86\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u505a\u5462\uff1f<\/p>\n<p>\u6211\u6765\u548c\u5927\u5bb6\u804a\u804a\u6211\u4eec\u662f\u600e\u4e48\u8003\u8651\u7684\u3002<\/p>\n<h2>\u4e00 \u70eb\u624b\u5c71\u828b<\/h2>\n<p>\u9996\u5148\u6211\u4eec\u6709\u4e00\u4e2a\u5171\u8bc6\uff0c\u5c31\u662f\u660e\u6587\u5bc6\u7801\u662f\u4e00\u4e2a\u70eb\u624b\u5c71\u828b\uff0c\u662f\u4e00\u4e2a\u5b9a\u65f6\u70b8\u5f39\uff0c\u5e94\u8be5\u5c3d\u65e9\u5904\u7406\u3002<\/p>\n<p>\u628a\u8fd9\u6837\u4e00\u4e2a\u70b8\u5f39\u4ece\u524d\u7aef\u8fd0\u5230\u540e\u7aef\u518d\u8fdb\u884c\u52a0\u5bc6\u5904\u7406\uff0c\u4f3c\u4e4e\u5e76\u975e\u4e00\u4e2a\u597d\u7684\u529e\u6cd5\u3002\u5e94\u8be5\u5c3d\u65e9\u5bf9\u70b8\u5f39\u8fdb\u884c\u5904\u7406\uff0c\u7136\u540e\u518d\u8fdb\u884c\u8fd0\u8f93\u3002<\/p>\n<p>\u90a3\u4e48\u5728\u5ba2\u6237\u7aef\u5c31\u5bf9\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f\u9632\u6b62\u5bc6\u7801\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u6cc4\u9732\u5417\uff1f<\/p>\n<p>\u663e\u7136\u4e0d\u662f\uff01<\/p>\n<p>\u5bf9\u4e8e\u91cd\u653e\u653b\u51fb\u6765\u8bf4\uff0c\u4eba\u5bb6\u538b\u6839\u4e0d care \u4f60\u662f\u5426\u5728\u5ba2\u6237\u7aef\u52a0\u5bc6\u5bc6\u7801\uff0c\u5bf9\u4e8e\u91cd\u653e\u653b\u51fb\u6765\u8bf4\uff0c\u5bc6\u7801\u662f\u5426\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u52a0\u5bc6\uff0c\u95ee\u9898\u90fd\u4e0d\u5927\u3002<\/p>\n<blockquote>\n<p>\u4ec0\u4e48\u662f\u91cd\u653e\u653b\u51fb\uff1f<br \/>\u91cd\u653e\u653b\u51fb\uff08Replay Attack\uff09\u662f\u4e00\u79cd\u7f51\u7edc\u5b89\u5168\u653b\u51fb\uff0c\u653b\u51fb\u8005\u901a\u8fc7\u622a\u83b7\u5e76\u91cd\u65b0\u53d1\u9001\u4e4b\u524d\u6355\u83b7\u7684\u6570\u636e\u5305\uff0c\u4ee5\u5b9e\u73b0\u5bf9\u7cfb\u7edf\u7684\u6b3a\u8bc8\u6216\u7834\u574f\u3002\u8fd9\u79cd\u653b\u51fb\u901a\u5e38\u53d1\u751f\u5728\u6ca1\u6709\u6b63\u786e\u5b9e\u73b0\u6d88\u606f\u8ba4\u8bc1\u548c\u5b8c\u6574\u6027\u4fdd\u62a4\u7684\u7cfb\u7edf\u4e2d\u3002<br \/>\u4e00\u822c\u6765\u8bf4\uff0c\u91cd\u653e\u653b\u51fb\u6709\u4e09\u4e2a\u7279\u70b9\uff1a<\/p>\n<ol>\n<li>\u65e0\u9700\u7834\u89e3\u52a0\u5bc6\uff1a\u653b\u51fb\u8005\u4e0d\u9700\u8981\u77e5\u9053\u52a0\u5bc6\u7b97\u6cd5\u6216\u5bc6\u94a5\uff0c\u53ea\u9700\u590d\u5236\u548c\u91cd\u653e\u6570\u636e\u5305\u3002<\/li>\n<li>\u4f9d\u8d56\u4e8e\u534f\u8bae\u7684\u7f3a\u9677\uff1a\u5982\u679c\u534f\u8bae\u6ca1\u6709\u8bbe\u8ba1\u597d\uff0c\u6ca1\u6709\u5b9e\u73b0\u65f6\u95f4\u6233\u3001\u5e8f\u5217\u53f7\u6216\u4e00\u6b21\u6027\u4ee4\u724c\u7b49\u673a\u5236\uff0c\u5c31\u5bb9\u6613\u88ab\u91cd\u653e\u653b\u51fb\u3002<\/li>\n<li>\u53ef\u91cd\u590d\u6027\uff1a\u653b\u51fb\u8005\u53ef\u4ee5\u591a\u6b21\u91cd\u653e\u76f8\u540c\u7684\u6570\u636e\u5305\uff0c\u5c1d\u8bd5\u83b7\u53d6\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u89e3\u51b3\u91cd\u653e\u653b\u51fb\u6bd4\u8f83\u6709\u6548\u5e76\u4e14\u7701\u4e8b\u7684\u529e\u6cd5\u5c31\u662f\u4e0a HTTPS\u3002<\/p>\n<p><strong>\u5ba2\u6237\u7aef\u5bf9\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u9632\u6b62\u660e\u6587\u5bc6\u7801\u5728\u5230\u8fbe\u540e\u7aef\u4e4b\u540e\u88ab\u6ee5\u7528\u3002\u8fd9\u662f\u6700\u4e3b\u8981\u7684\u76ee\u7684\u3002<\/strong><\/p>\n<p>\u4e3a\u4e86\u589e\u52a0\u7834\u89e3\u6210\u672c\uff0c\u5728\u524d\u7aef\u8fdb\u884c\u52a0\u5bc6\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528\u6162 hash \u51fd\u6570\u3002<\/p>\n<h2>\u4e8c \u4ec0\u4e48\u662f\u6162 hash<\/h2>\n<p>\u6162\u54c8\u5e0c\u51fd\u6570\uff08Slow Hash Function\uff09\u662f\u4e00\u79cd\u5bc6\u7801\u5b66\u4e0a\u7684\u54c8\u5e0c\u51fd\u6570\uff0c\u5b83\u88ab\u8bbe\u8ba1\u6210\u6545\u610f\u51cf\u6162\u5904\u7406\u901f\u5ea6\uff0c\u4ee5\u589e\u52a0\u7834\u89e3\u7684\u96be\u5ea6\u3002<\/p>\n<p>\u8fd9\u79cd\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u5bc6\u7801\u5b58\u50a8\u3001\u5bc6\u94a5\u6d3e\u751f\u548c\u67d0\u4e9b\u52a0\u5bc6\u7b97\u6cd5\u4e2d\uff0c\u76ee\u7684\u662f\u63d0\u4f9b\u989d\u5916\u7684\u5b89\u5168\u5c42\uff0c\u9632\u6b62\u66b4\u529b\u7834\u89e3\u653b\u51fb\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u6162\u54c8\u5e0c\u51fd\u6570\u4e3b\u8981\u6709\u4e0b\u9762\u4e00\u4e9b\u7279\u70b9\uff1a<\/p>\n<ol>\n<li><strong>\u8ba1\u7b97\u6210\u672c\u9ad8<\/strong>\uff1a\u6545\u610f\u8bbe\u8ba1\u6210\u9700\u8981\u66f4\u591a\u8ba1\u7b97\u8d44\u6e90\uff08CPU \u65f6\u95f4\u6216\u5185\u5b58\uff09\uff0c\u4f7f\u5f97\u66b4\u529b\u7834\u89e3\u8fd9\u79cd\u65b9\u5f0f\u53d8\u5f97\u4e0d\u5207\u5b9e\u9645\u3002<\/li>\n<li><strong>\u5185\u5b58\u5bc6\u96c6\u578b<\/strong>\uff1a\u8bb8\u591a\u6162\u54c8\u5e0c\u51fd\u6570\u9700\u8981\u5927\u91cf\u7684\u5185\u5b58\uff0c\u8fd9\u589e\u52a0\u4e86\u5e76\u884c\u5904\u7406\u7684\u96be\u5ea6\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u54c8\u5e0c\u8ba1\u7b97\u5b9e\u4f8b\u90fd\u9700\u8981\u72ec\u7acb\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n<li><strong>\u62b5\u6297\u66b4\u529b\u7834\u89e3<\/strong>\uff1a\u7531\u4e8e\u8ba1\u7b97\u6210\u672c\u9ad8\uff0c\u6162\u54c8\u5e0c\u51fd\u6570\u4f7f\u5f97\u66b4\u529b\u7834\u89e3\uff08\u5c1d\u8bd5\u6240\u6709\u53ef\u80fd\u7684\u5bc6\u7801\u76f4\u5230\u627e\u5230\u5339\u914d\uff09\u53d8\u5f97\u975e\u5e38\u56f0\u96be\u3002<\/li>\n<li><strong>\u76d0\u503c\uff08Salt\uff09<\/strong>\uff1a\u6162\u54c8\u5e0c\u51fd\u6570\u901a\u5e38\u4e0e\u76d0\u503c\u7ed3\u5408\u4f7f\u7528\uff0c\u76d0\u503c\u662f\u968f\u673a\u751f\u6210\u7684\u6570\u636e\uff0c\u7528\u4e8e\u4e0e\u5bc6\u7801\u7ec4\u5408\uff0c\u786e\u4fdd\u5373\u4f7f\u4e24\u4e2a\u7528\u6237\u4f7f\u7528\u76f8\u540c\u7684\u5bc6\u7801\uff0c\u4ed6\u4eec\u7684\u54c8\u5e0c\u503c\u4e5f\u4f1a\u4e0d\u540c\u3002<\/li>\n<li><strong>\u5bc6\u94a5\u5ef6\u5c55\uff08Key Stretching\uff09<\/strong>\uff1a\u901a\u8fc7\u591a\u6b21\u8fed\u4ee3\u54c8\u5e0c\u8fc7\u7a0b\uff0c\u8fdb\u4e00\u6b65\u589e\u52a0\u7834\u89e3\u96be\u5ea6\u3002<\/li>\n<\/ol>\n<p>\u5e38\u89c1\u7684\u6162\u54c8\u5e0c\u51fd\u6570\u4e3b\u8981\u6709\u5982\u4e0b\u51e0\u79cd\uff0c\u8fd9\u51e0\u79cd\u4e5f\u662f\u6211\u4eec\u5728 Spring Security \u4e2d\u6bd4\u8f83\u5e38\u89c1\u7684\uff1a<\/p>\n<ul>\n<li><strong>PBKDF2\uff08Password-Based Key Derivation Function 2\uff09<\/strong>\uff1a\u4f7f\u7528 HMAC \u4f5c\u4e3a\u4f2a\u968f\u673a\u51fd\u6570\uff0c\u53ef\u4ee5\u914d\u7f6e\u8fed\u4ee3\u6b21\u6570\u6765\u589e\u52a0\u8ba1\u7b97\u65f6\u95f4\u3002<\/li>\n<li><strong>BCrypt<\/strong>\uff1a\u4e13\u4e3a\u5bc6\u7801\u5b58\u50a8\u8bbe\u8ba1\uff0c\u5305\u542b\u76d0\u503c\u548c\u591a\u8f6e\u54c8\u5e0c\u8ba1\u7b97\u3002<\/li>\n<li><strong>scrypt<\/strong>\uff1a\u8bbe\u8ba1\u7528\u4e8e\u52a0\u5bc6\u8d27\u5e01\u548c\u5bc6\u7801\u5b58\u50a8\uff0c\u7279\u522b\u5f3a\u8c03\u5185\u5b58\u5bc6\u96c6\u578b\uff0c\u4ee5\u62b5\u6297 GPU \u548c ASIC \u786c\u4ef6\u52a0\u901f\u7684\u66b4\u529b\u7834\u89e3\u3002<\/li>\n<li><strong>Argon2<\/strong>\uff1a\u662f\u5f53\u524d\u6700\u63a8\u8350\u4f7f\u7528\u7684\u6162\u54c8\u5e0c\u51fd\u6570\u4e4b\u4e00\uff0c\u5b83\u8d62\u5f97\u4e86\u5bc6\u7801\u54c8\u5e0c\u7ade\u8d5b\uff08Password Hashing Competition\uff09\uff0c\u5e76\u88ab\u8bbe\u8ba1\u4e3a\u62b5\u6297\u5404\u79cd\u7c7b\u578b\u7684\u653b\u51fb\uff0c\u5305\u62ec\u5b9a\u5236\u786c\u4ef6\u653b\u51fb\u3002<\/li>\n<\/ul>\n<p>\u4ee5 BCrypt \u4e3a\u4f8b\uff0c\u5982\u679c\u6211\u4eec\u63a7\u5236 BCrypt \u7684\u6267\u884c\u65f6\u95f4\u5927\u6982\u662f 0.1 \u79d2\u5b8c\u6210\u4e00\u6b21\u54c8\u5e0c\u8ba1\u7b97\u7684\u8bdd\uff0c\u6309\u7167 1 \u79d2\u751f\u6210 10 \u4e2a\u54c8\u5e0c\u503c\u7684\u901f\u5ea6\uff0c\u7b97\u5b8c\u6240\u6709\u7684 10 \u4f4d\u5927\u5c0f\u5199\u5b57\u6bcd\u548c\u6570\u5b57\u7ec4\u6210\u7684\u5f31\u5bc6\u7801\u5927\u6982\u9700\u8981 P(62,10)\/(3600\u00d724\u00d7365&#215;10)=1,237,204,169 \u5e74\u65f6\u95f4\u3002<\/p>\n<h2>\u4e09 \u4e00\u6b21\u7528\u6237\u6ce8\u518c<\/h2>\n<p>\u4e86\u89e3\u4e86\u6162\u54c8\u5e0c\u4e4b\u540e\uff0c\u6211\u4eec\u6765\u770b\u4e00\u6b21\u5b8c\u6574\u7684\u7528\u6237\u6ce8\u518c\u5e94\u8be5\u662f\u4ec0\u4e48\u6837\u5b50\u7684\u3002<\/p>\n<p>\u9996\u5148\uff0c\u7528\u6237\u5728\u5ba2\u6237\u7aef\u8f93\u5165\u660e\u6587\u5bc6\u7801 123\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5ba2\u6237\u7aef\u5bf9\u5bc6\u7801\u8fdb\u884c\u52a0\u5bc6\uff0c\u53ef\u4ee5\u4f7f\u7528 SHA256 \u6563\u5217\u51fd\u6570\uff0c\u5982\u679c\u60f3\u8981\u8c28\u614e\u4e00\u4e9b\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7528\u6237\u540d\u7b49\u4fe1\u606f\u4f5c\u4e3a\u76d0\uff0c\u4ee5\u9632\u6b62\u5f69\u8679\u8868\u7684\u653b\u51fb\u3002<\/p>\n<p>\u73b0\u5728\u5c31\u53ef\u4ee5\u7531\u5ba2\u6237\u7aef\u53d1\u9001\u5bc6\u7801\u5230\u670d\u52a1\u7aef\u4e86\u3002<\/p>\n<p>\u670d\u52a1\u7aef\u6536\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6d88\u606f\u4e4b\u540e\uff0c\u5728\u670d\u52a1\u7aef\u773c\u91cc\u53ef\u4ee5\u5c06\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u5bc6\u7801\u5c31\u5f53\u6210\u660e\u6587\uff0c\u6309\u7167\u660e\u6587\u7684\u5904\u7406\u6d41\u7a0b\u8fdb\u884c\u52a0\u5bc6\u5e76\u5b58\u50a8\uff0c\u8fd9\u5757\u677e\u54e5\u5728 Spring Security \u4e2d\u548c\u5927\u5bb6\u8bb2\u8fc7\u591a\u6b21\u4e86\uff0c\u4e0d\u8d58\u8ff0\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u7528\u6237\u6ce8\u518c\u7684\u6d41\u7a0b\u3002<\/p>\n<p>\u5c06\u6765\u7528\u6237\u767b\u5f55\u5176\u5b9e\u4e5f\u662f\u4e00\u6837\u7684\u3002<\/p>\n<p>\u7528\u6237\u5728\u5ba2\u6237\u7aef\u8f93\u5165\u5bc6\u7801\u4e4b\u540e\uff0c\u73b0\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u52a0\u5bc6\uff0c\u7136\u540e\u518d\u4e0a\u4f20\u5230\u670d\u52a1\u7aef\uff0c\u670d\u52a1\u7aef\u518d\u6309\u7167\u6211\u4eec\u5728 Spring Security \u4e2d\u8bb2\u7684\u65b9\u5f0f\u8fdb\u884c\u5904\u7406\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045449203\">https:\/\/segmentfault.com\/a\/1190000045449203<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u548c\u5c0f\u4f19\u4f34\u4eec\u8ba8\u8bba\u4e00\u4e2a\u6709\u4e89\u8bae\u7684\u8bdd\u9898\uff1a \u5bc6\u7801\u52a0\u5bc6\u9700\u8981\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u5417\uff1f 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