{"id":208378,"date":"2025-08-21T14:56:21","date_gmt":"2025-08-21T06:56:21","guid":{"rendered":"https:\/\/www.server.hk\/blog\/?p=208378"},"modified":"2025-08-21T15:19:11","modified_gmt":"2025-08-21T07:19:11","slug":"%e7%90%86%e8%a7%a3-ecryptfs%ef%bc%9alinux-%e5%86%85%e6%a0%b8%e7%9a%84%e4%bc%81%e4%b8%9a%e7%ba%a7%e5%8a%a0%e5%af%86%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208378\/","title":{"rendered":"\u7406\u89e3 eCryptfs\uff1aLinux \u5185\u6838\u7684\u4f01\u4e1a\u7ea7\u52a0\u5bc6\u6587\u4ef6\u7cfb\u7edf"},"content":{"rendered":"<p class=\"ds-markdown-paragraph\">eCryptfs \u662f\u4e00\u4e2a\u5065\u58ee\u7684\u4f01\u4e1a\u7ea7\u52a0\u5bc6\u6587\u4ef6\u7cfb\u7edf\uff0c\u81ea Linux \u5185\u6838 2.6.19 \u7248\u672c\u8d77\u5df2\u96c6\u6210\u5176\u4e2d\u3002\u5b83\u4e13\u4e3a\u5b89\u5168\u6570\u636e\u5b58\u50a8\u800c\u8bbe\u8ba1\uff0c\u53ef\u540c\u65f6\u5bf9\u6587\u4ef6\u5185\u5bb9\u548c\u6587\u4ef6\u540d\u8fdb\u884c\u52a0\u5bc6\uff0c\u4f7f\u5176\u6210\u4e3a\u5728 Linux \u73af\u5883\u4e2d\u4fdd\u62a4\u654f\u611f\u4fe1\u606f\u7684\u53ef\u9760\u9009\u62e9\u3002\u672c\u6587\u63a2\u8ba8\u4e86 eCryptfs \u7684\u67b6\u6784\u3001\u8bbe\u7f6e\u8fc7\u7a0b\u3001\u52a0\u5bc6\u673a\u5236\u3001\u6027\u80fd\u8003\u91cf\u4ee5\u53ca\u5b89\u5168\u65b9\u9762\uff0c\u4e3a IT \u4e13\u4e1a\u4eba\u5458\u63d0\u4f9b\u4e86\u4e00\u4efd\u6709\u6548\u5229\u7528\u8be5\u6280\u672f\u7684\u7efc\u5408\u6307\u5357\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u4ec0\u4e48\u662f eCryptfs\uff1f<br \/>\neCryptfs \u662f\u4e00\u4e2a\u5806\u53e0\u5f0f\u52a0\u5bc6\u6587\u4ef6\u7cfb\u7edf\uff0c\u5b83\u8fd0\u884c\u5728\u73b0\u6709\u6587\u4ef6\u7cfb\u7edf\uff08\u5982 ext4 \u6216 NFS\uff09\u4e4b\u4e0a\uff0c\u4ee5\u63d0\u4f9b\u900f\u660e\u7684\u52a0\u5bc6\u548c\u89e3\u5bc6\u529f\u80fd\u3002\u5b83\u4e0e Linux \u5185\u6838\u7684\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff08VFS\uff09\u96c6\u6210\uff0c\u5e76\u5229\u7528\u5185\u6838\u7684\u52a0\u5bc6 API \u6765\u4fdd\u62a4\u6570\u636e\u3002\u901a\u8fc7\u5728\u5185\u6838\u7ea7\u522b\u52a0\u5bc6\u6587\u4ef6\uff0ceCryptfs \u786e\u4fdd\u4e86\u4e0e\u7528\u6237\u7a7a\u95f4\u5e94\u7528\u7a0b\u5e8f\u7684\u65e0\u7f1d\u96c6\u6210\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u5f3a\u5927\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">eCryptfs \u7684\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u900f\u660e\u52a0\u5bc6<\/strong>\uff1a\u5728\u6587\u4ef6\u5199\u5165\u6216\u8bfb\u53d6\u65f6\u81ea\u52a8\u8fdb\u884c\u52a0\u5bc6\u548c\u89e3\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u6587\u4ef6\u540d\u52a0\u5bc6<\/strong>\uff1a\u901a\u8fc7\u52a0\u5bc6\u6587\u4ef6\u540d\u6765\u4fdd\u62a4\u5143\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u7075\u6d3b\u7684\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1a\u652f\u6301\u7528\u6237\u5bc6\u7801\u77ed\u8bed\u3001\u516c\u94a5\u7b97\u6cd5\u6216\u53ef\u4fe1\u5e73\u53f0\u6a21\u5757\uff08TPM\uff09\u8fdb\u884c\u5bc6\u94a5\u52a0\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u517c\u5bb9\u6027<\/strong>\uff1a\u53ef\u4e0e\u5404\u79cd\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\u534f\u540c\u5de5\u4f5c\uff0c\u589e\u5f3a\u4e86\u5176\u901a\u7528\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">eCryptfs \u67b6\u6784<br \/>\neCryptfs \u4f5c\u4e3a\u4e00\u4e2a\u5206\u5c42\u6587\u4ef6\u7cfb\u7edf\u8fd0\u884c\uff0c\u4e0e\u5185\u6838\u7684 VFS \u548c\u5bc6\u94a5\u73af\uff08keyring\uff09\u4ea4\u4e92\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u5bc6\u94a5\u7ba1\u7406\u3002\u5f53\u7528\u6237\u5411\u52a0\u5bc6\u6587\u4ef6\u5199\u5165\u65f6\uff0cVFS \u5c06\u64cd\u4f5c\u8f6c\u53d1\u7ed9 eCryptfs\uff0ceCryptfs \u901a\u8fc7\u5185\u6838\u7684 Crypto API \u4f7f\u7528 AES \u6216 DES \u7b49\u7b97\u6cd5\u52a0\u5bc6\u6570\u636e\uff0c\u7136\u540e\u518d\u5c06\u5176\u4f20\u9012\u7ed9\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\u3002\u8bfb\u53d6\u52a0\u5bc6\u6587\u4ef6\u5219\u9075\u5faa\u76f8\u53cd\u7684\u8fc7\u7a0b\uff0c\u786e\u4fdd\u65e0\u7f1d\u89e3\u5bc6\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u5173\u952e\u7ec4\u4ef6<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u6587\u4ef6\u52a0\u5bc6\u5bc6\u94a5\uff08FEK\uff09<\/strong>\uff1a\u4e00\u4e2a\u968f\u673a\u751f\u6210\u7684\u5bf9\u79f0\u5bc6\u94a5\uff0c\u7528\u4e8e\u52a0\u5bc6\u6587\u4ef6\u5185\u5bb9\u548c\u6587\u4ef6\u540d\u3002\u6bcf\u4e2a\u6587\u4ef6\u901a\u5e38\u6709\u4e00\u4e2a\u552f\u4e00\u7684 FEK\uff0c\u901a\u8fc7\u907f\u514d\u5bc6\u94a5\u91cd\u7528\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u52a0\u5bc6\u7684\u6587\u4ef6\u52a0\u5bc6\u5bc6\u94a5\uff08EFEK\uff09<\/strong>\uff1aFEK \u4f7f\u7528\u7528\u6237\u63d0\u4f9b\u7684\u5bc6\u7801\u77ed\u8bed\u3001RSA \u516c\u94a5\u6216 TPM \u8fdb\u884c\u52a0\u5bc6\u540e\uff0c\u5f97\u5230 EFEK\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u6587\u4ef6\u52a0\u5bc6\u5bc6\u94a5\u7684\u52a0\u5bc6\u5bc6\u94a5\uff08FEFEK\uff09<\/strong>\uff1a\u6307\u7528\u4e8e\u52a0\u5bc6 FEK \u7684\u5bc6\u7801\u77ed\u8bed\u6216\u516c\u94a5\uff0c\u786e\u4fdd\u5bc6\u94a5\u7684\u5b89\u5168\u5b58\u50a8\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5143\u6570\u636e<\/strong>\uff1a\u5b58\u50a8\u5728\u6587\u4ef6\u5934\u4e2d\uff0c\u5305\u62ec\u6587\u4ef6\u5927\u5c0f\u3001\u6807\u5fd7\u548c EFEK\u3002\u6700\u5c0f\u5143\u6570\u636e\u5927\u5c0f\u4e3a 8192 \u5b57\u8282\uff0c\u786e\u4fdd\u4e86\u6587\u4ef6\u4fe1\u606f\u5b58\u50a8\u7684\u5065\u58ee\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">\u52a0\u5bc6\u8bbe\u8ba1<br \/>\n\u53d7 OpenPGP \u6807\u51c6\u7684\u542f\u53d1\uff0ceCryptfs \u5bf9\u6587\u4ef6\u6570\u636e\u91c7\u7528\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6\uff0c\u5c06\u6587\u4ef6\u5212\u5206\u4e3a\u79f0\u4e3a\u8303\u56f4\uff08extents\uff09\u7684\u903b\u8f91\u5757\uff08\u901a\u5e38\u4e0e\u7cfb\u7edf\u7684\u9875\u9762\u5927\u5c0f\u5339\u914d\uff0c\u4f8b\u5982 4KB\uff09\u3002\u8fd9\u79cd\u57fa\u4e8e\u5757\u7684\u65b9\u6cd5\u4f18\u5316\u4e86\u52a0\u5bc6\u548c\u89e3\u5bc6\u64cd\u4f5c\uff0c\u5e76\u5229\u7528\u5185\u6838\u7684 Crypto API \u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u5728 Ubuntu \u4e0a\u8bbe\u7f6e eCryptfs<br \/>\n\u5728 Linux \u7cfb\u7edf\uff08\u5982 Ubuntu\uff09\u4e0a\u914d\u7f6e eCryptfs \u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528\u6b63\u786e\u7684\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u5728 Ubuntu \u4e0a\u8bbe\u7f6e\u52a0\u5bc6\u76ee\u5f55\u7684\u5206\u6b65\u6307\u5357\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u5b89\u88c5\u548c\u914d\u7f6e<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5b89\u88c5 eCryptfs \u5de5\u5177<\/strong>\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5b89\u88c5\u00a0<code>ecryptfs-utils<\/code>\u00a0\u8f6f\u4ef6\u5305\u4ee5\u542f\u7528\u7528\u4e8e\u7ba1\u7406 eCryptfs \u7684\u7528\u6237\u7a7a\u95f4\u5de5\u5177\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u547d\u4ee4\uff1a<code>sudo apt-get install ecryptfs-utils<\/code><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u6302\u8f7d\u52a0\u5bc6\u76ee\u5f55<\/strong>\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u4f7f\u7528\u5e26\u6709 eCryptfs \u9009\u9879\u7684\u00a0<code>mount<\/code>\u00a0\u547d\u4ee4\u6765\u521b\u5efa\u52a0\u5bc6\u76ee\u5f55\uff08\u4f8b\u5982\u00a0<code>my_cryptfs<\/code>\uff09\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5728\u6302\u8f7d\u8fc7\u7a0b\u4e2d\uff0c\u6307\u5b9a\u52a0\u5bc6\u7b97\u6cd5\uff08\u4f8b\u5982 AES-128\uff09\u5e76\u63d0\u4f9b\u5bc6\u7801\u77ed\u8bed\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u793a\u4f8b\u547d\u4ee4\uff1a<code>sudo mount -t ecryptfs \/path\/to\/source \/path\/to\/my_cryptfs<\/code><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u6587\u4ef6\u64cd\u4f5c<\/strong>\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5199\u5165\u5df2\u6302\u8f7d\u76ee\u5f55\u7684\u6587\u4ef6\u4f1a\u88ab\u81ea\u52a8\u52a0\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5378\u8f7d\u540e\uff08<code>umount \/path\/to\/my_cryptfs<\/code>\uff09\uff0c\u76f4\u63a5\u67e5\u770b\u6587\u4ef6\u65f6\u5b83\u4eec\u663e\u793a\u4e3a\u52a0\u5bc6\u72b6\u6001\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u5b89\u5168\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\">\u8bbe\u7f6e\u540e\u6ce8\u610f\u4e8b\u9879<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5728\u8bbf\u95ee\u6587\u4ef6\u4e4b\u524d\uff0c\u786e\u4fdd\u52a0\u5bc6\u76ee\u5f55\u5df2\u6302\u8f7d\uff0c\u4ee5\u542f\u7528\u900f\u660e\u89e3\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5b9a\u671f\u5907\u4efd\u52a0\u5bc6\u5bc6\u94a5\uff0c\u4ee5\u9632\u6b62\u56e0\u5bc6\u7801\u77ed\u8bed\u95ee\u9898\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">\u52a0\u5bc6\u548c\u89e3\u5bc6\u5de5\u4f5c\u6d41\u7a0b<br \/>\neCryptfs \u5728\u5185\u6838\u7ea7\u522b\u5904\u7406\u52a0\u5bc6\u548c\u89e3\u5bc6\uff0c\u786e\u4fdd\u4e86\u6548\u7387\u548c\u5b89\u5168\u6027\u3002\u4ee5\u4e0b\u662f\u6240\u6d89\u53ca\u5173\u952e\u6d41\u7a0b\u7684\u6982\u8ff0\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u6587\u4ef6\u6253\u5f00 (ecryptfs_open)<br \/>\n\u5f53\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u65f6\uff1a<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\">eCryptfs \u89e3\u6790\u6587\u4ef6\u7684\u5934\u90e8\u5143\u6570\u636e\u4ee5\u63d0\u53d6 EFEK\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5185\u6838\u7684 Crypto API \u4f7f\u7528 FEFEK\uff08\u5bc6\u7801\u77ed\u8bed\u6216\u516c\u94a5\uff09\u89e3\u5bc6 EFEK \u4ee5\u83b7\u5f97 FEK\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">FEK \u5b58\u50a8\u5728\u00a0<code>ecryptfs_crypt_stat<\/code>\u00a0\u7ed3\u6784\u4e2d\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\u4ee5\u4f9b\u540e\u7eed\u7684\u8bfb\u5199\u64cd\u4f5c\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\">\u8bfb\u53d6\u6570\u636e (ecryptfs_read)<br \/>\n\u5728\u8bfb\u53d6\u64cd\u4f5c\u671f\u95f4\uff1a<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\">eCryptfs \u4ece\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\u8bfb\u53d6\u52a0\u5bc6\u7684\u8303\u56f4\uff08extents\uff09\u5230\u5185\u6838\u7684\u9875\u9762\u7f13\u5b58\uff08Page Cache\uff09\u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5185\u6838\u7684 Crypto API \u4f7f\u7528 FEK \u89e3\u5bc6\u6bcf\u4e2a\u8303\u56f4\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u89e3\u5bc6\u540e\u7684\u6570\u636e\u4ee5\u660e\u6587\u5f62\u5f0f\u63d0\u4f9b\u7ed9\u7528\u6237\uff0c\u786e\u4fdd\u4e86\u900f\u660e\u6027\u3002<\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\">\u5199\u5165\u6570\u636e<br \/>\n\u5bf9\u4e8e\u5199\u5165\u64cd\u4f5c\uff1a<\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\">\u6570\u636e\u5728\u9875\u9762\u7f13\u5b58\u4e2d\u4f7f\u7528 FEK \u8fdb\u884c\u52a0\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u52a0\u5bc6\u540e\u7684\u8303\u56f4\u88ab\u5199\u5165\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\uff0c\u540c\u65f6\u6587\u4ef6\u5934\u4e2d\u7684\u5143\u6570\u636e\u5f97\u5230\u66f4\u65b0\u3002<\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\">\u6027\u80fd\u4f18\u5316<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u9875\u9762\u7f13\u5b58\uff08Page Cache\uff09<\/strong>\uff1a\u5b58\u50a8\u89e3\u5bc6\u540e\u7684\u6570\u636e\uff0c\u51cf\u5c11\u4e86\u540e\u7eed\u8bfb\u53d6\u7684\u89e3\u5bc6\u5f00\u9500\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u57fa\u4e8e\u5757\u7684\u52a0\u5bc6<\/strong>\uff1a\u6309\u8303\u56f4\u5904\u7406\u6570\u636e\uff0c\u4e0e\u7cfb\u7edf\u9875\u9762\u5927\u5c0f\u5bf9\u9f50\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">\u6027\u80fd\u8003\u91cf<br \/>\n\u4f5c\u4e3a\u4e00\u4e2a\u5806\u53e0\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff0ceCryptfs \u7531\u4e8e\u5176\u52a0\u5bc6\u548c\u89e3\u5bc6\u8fc7\u7a0b\u4f1a\u5f15\u5165\u5f00\u9500\u3002\u5173\u952e\u7684\u6027\u80fd\u65b9\u9762\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u8bfb\u53d6\u64cd\u4f5c<\/strong>\uff1a\u5f71\u54cd\u6700\u5c0f\uff0c\u56e0\u4e3a\u89e3\u5bc6\u540e\u7684\u6570\u636e\u9a7b\u7559\u5728\u9875\u9762\u7f13\u5b58\u4e2d\uff0c\u907f\u514d\u4e86\u91cd\u590d\u89e3\u5bc6\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5199\u5165\u64cd\u4f5c<\/strong>\uff1a\u7531\u4e8e\u6bcf\u6b21\u5199\u5165\u90fd\u9700\u8981\u52a0\u5bc6\uff0c\u5f00\u9500\u8f83\u9ad8\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5927\u6587\u4ef6\u6216\u9891\u7e41\u5199\u5165\u7684\u60c5\u51b5\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u7f13\u89e3\u7b56\u7565<\/strong>\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u4f7f\u7528\u786c\u4ef6\u52a0\u901f\u7684\u52a0\u5bc6\u6307\u4ee4\uff08\u4f8b\u5982\uff0c\u73b0\u4ee3 CPU \u4e0a\u7684 AES-NI\uff09\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u4f18\u5316\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\u7684\u6027\u80fd\uff08\u4f8b\u5982\uff0c\u7981\u7528\u65e5\u5fd7\u7684 ext4\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">\u5904\u7406\u5668\u548c\u5b58\u50a8\u6280\u672f\u7684\u6700\u65b0\u8fdb\u5c55\u5df2\u7ecf\u51cf\u5c11\u4e86 eCryptfs \u7684\u6027\u80fd\u635f\u5931\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u4f01\u4e1a\u7528\u9014\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u5b89\u5168\u8003\u91cf<br \/>\n\u867d\u7136 eCryptfs \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u52a0\u5bc6\uff0c\u4f46\u67d0\u4e9b\u65b9\u9762\u9700\u8981\u6ce8\u610f\u4ee5\u786e\u4fdd\u6700\u5927\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u9875\u9762\u7f13\u5b58\u4e2d\u7684\u660e\u6587<\/strong>\uff1a\u5982\u679c\u7528\u6237\u7a7a\u95f4\u6743\u9650\u914d\u7f6e\u9519\u8bef\u6216\u906d\u5230\u7834\u574f\uff0c\u9875\u9762\u7f13\u5b58\u4e2d\u7684\u89e3\u5bc6\u6570\u636e\u53ef\u80fd\u4f1a\u66b4\u9732\u3002\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u7f13\u89e3\uff1a<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u4f7f\u7528\u4e25\u683c\u7684\u6587\u4ef6\u6743\u9650\u9650\u5236\u5bf9\u52a0\u5bc6\u76ee\u5f55\u7684\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u5b9e\u65bd\u5f3a\u5236\u8bbf\u95ee\u63a7\u5236\uff08\u4f8b\u5982 SELinux \u6216 AppArmor\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1a\u5b89\u5168\u5730\u5b58\u50a8\u5bc6\u7801\u77ed\u8bed\u6216\u79c1\u94a5\uff0c\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u8bbf\u95ee FEK\u3002<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>\u5143\u6570\u636e\u5b89\u5168<\/strong>\uff1a\u786e\u4fdd\u5143\u6570\u636e\u5934\u53d7\u5230\u4fdd\u62a4\uff0c\u56e0\u4e3a\u5b83\u4eec\u5305\u542b\u5173\u952e\u7684\u52a0\u5bc6\u4fe1\u606f\u3002<\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\">\u4e0e\u5176\u4ed6\u6587\u4ef6\u7cfb\u7edf\u7684\u6bd4\u8f83<\/p>\n<div class=\"markdown-table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>eCryptfs<\/th>\n<th>dm-crypt\/LUKS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u52a0\u5bc6\u7ea7\u522b<\/strong><\/td>\n<td>\u6587\u4ef6\u7ea7<\/td>\n<td>\u5757\u7ea7<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6587\u4ef6\u7cfb\u7edf\u5806\u53e0<\/strong><\/td>\n<td>\u662f\uff08\u5806\u53e0\u5728 ext4 \u7b49\u4e4b\u4e0a\uff09<\/td>\n<td>\u5426\uff08\u5757\u8bbe\u5907\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6587\u4ef6\u540d\u52a0\u5bc6<\/strong><\/td>\n<td>\u662f<\/td>\n<td>\u5426<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6027\u80fd\u5f00\u9500<\/strong><\/td>\n<td>\u4e2d\u7b49\uff08\u5199\u5165\u5bc6\u96c6\u578b\uff09<\/td>\n<td>\u8f83\u4f4e\uff08\u5757\u7ea7\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u90e8\u7f72\u96be\u6613\u5ea6<\/strong><\/td>\n<td>\u9ad8\uff08\u7528\u6237\u7a7a\u95f4\u5de5\u5177\uff09<\/td>\n<td>\u4e2d\u7b49\uff08\u5185\u6838\u8bbe\u7f6e\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5bc6\u94a5\u7ba1\u7406<\/strong><\/td>\n<td>\u7075\u6d3b\uff08\u5bc6\u7801\u77ed\u8bed\u3001TPM\uff09<\/td>\n<td>\u57fa\u4e8e\u5bc6\u7801\u77ed\u8bed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ds-markdown-paragraph\">eCryptfs \u5728\u9700\u8981\u6587\u4ef6\u7ea7\u52a0\u5bc6\u548c\u6587\u4ef6\u540d\u4fdd\u62a4\u7684\u573a\u666f\u4e2d\u8868\u73b0\u51fa\u8272\uff0c\u800c dm-crypt\/LUKS \u66f4\u9002\u5408\u5168\u76d8\u52a0\u5bc6\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u7ed3\u8bba<br \/>\neCryptfs \u4e3a\u4fdd\u62a4 Linux \u7cfb\u7edf\u4e0a\u7684\u654f\u611f\u6570\u636e\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5176\u5806\u53e0\u5f0f\u67b6\u6784\u3001\u4e0e\u5185\u6838\u7684\u65e0\u7f1d\u96c6\u6210\u4ee5\u53ca\u5bf9\u9ad8\u7ea7\u5bc6\u94a5\u7ba1\u7406\u7684\u652f\u6301\uff0c\u4f7f\u5176\u6210\u4e3a\u4f01\u4e1a\u73af\u5883\u7684\u7edd\u4f73\u9009\u62e9\u3002\u867d\u7136\u6027\u80fd\u5f00\u9500\u548c\u9875\u9762\u7f13\u5b58\u5b89\u5168\u6027\u9700\u8981\u4ed4\u7ec6\u8003\u91cf\uff0c\u4f46\u786c\u4ef6\u548c\u8f6f\u4ef6\u7684\u6301\u7eed\u6539\u8fdb\u4e0d\u65ad\u63d0\u5347\u7740 eCryptfs \u7684\u6548\u7387\u548c\u53ef\u7528\u6027\u3002\u5bf9\u4e8e\u5bfb\u6c42\u5b89\u5168\u6027\u3001\u6613\u7528\u6027\u548c\u517c\u5bb9\u6027\u4e4b\u95f4\u5e73\u8861\u7684 IT \u4e13\u4e1a\u4eba\u5458\u800c\u8a00\uff0ceCryptfs \u4ecd\u7136\u662f\u52a0\u5bc6\u6587\u4ef6\u7cfb\u7edf\u7684\u4e00\u4e2a\u5f15\u4eba\u6ce8\u76ee\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>eCryptfs \u662f\u4e00\u4e2a\u5065\u58ee\u7684\u4f01&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-208378","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208378"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208378\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}