{"id":19892,"date":"2026-04-01T09:54:05","date_gmt":"2026-04-01T01:54:05","guid":{"rendered":"https:\/\/blog.ywdevops.cn\/?p=19892"},"modified":"2026-04-02T16:59:06","modified_gmt":"2026-04-02T08:59:06","slug":"encrypt-2","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2026\/04\/01\/encrypt-2\/","title":{"rendered":"Linux\u6587\u4ef6\u52a0\u5bc6\uff0c\u76ee\u5f55\u673a\u5bc6\uff0c\u78c1\u76d8\u52a0\u5bc6"},"content":{"rendered":"\n

\u5728 Linux \u4e0a\u8ba9 \u201c\u6253\u5f00\u6587\u4ef6\u9700\u8981\u8f93\u5165\u5bc6\u7801\u201d\uff0c\u6838\u5fc3\u662f\u5bf9\u6587\u4ef6 \/ \u76ee\u5f55\u505a\u52a0\u5bc6<\/strong>\uff0c\u53ea\u6709\u8f93\u5165\u6b63\u786e\u5bc6\u7801\u624d\u80fd\u89e3\u5bc6\u67e5\u770b\u3002\u4e0b\u9762\u6309 \u201c\u5355\u6587\u4ef6\u201d\u201c\u76ee\u5f55 \/ \u6279\u91cf\u6587\u4ef6\u201d\u201c\u78c1\u76d8 \/ \u5bb9\u5668\u201d \u4e09\u79cd\u573a\u666f\uff0c\u6765\u6f14\u793a\u4e0b\u5982\u4f55\u52a0\u5bc6<\/p>\n\n\n\n

\u4e00\u3001\u5355\u6587\u4ef6\u52a0\u5bc6<\/mark><\/strong><\/p>\n\n\n\n

\u9002\u5408\u5355\u4e2a\u6587\u6863\u3001\u811a\u672c\u3001\u914d\u7f6e\u7b49\uff0c\u6253\u5f00 \/ \u7f16\u8f91\u5fc5\u987b\u8f93\u5bc6\u7801<\/p>\n\n\n\n

1\u3001Vim \u5185\u7f6e\u52a0\u5bc6\uff08\u6700\u7b80\u5355\uff0c\u4ec5\u6587\u672c\uff09<\/p>\n\n\n\n

\u7528 Vim \u76f4\u63a5\u7ed9\u6587\u4ef6\u52a0\u5bc6\u7801\uff0c\u4ec5\u7528 Vim \u6253\u5f00\u65f6\u63d0\u793a\u5bc6\u7801<\/strong>\uff0c\u5176\u4ed6\u5de5\u5177\u6253\u5f00\u662f\u4e71\u7801<\/p>\n\n\n\n

vim -x secret.txt #\u65b0\u6587\u4ef6\u6216\u8005\u5df2\u6709\u6587\u4ef6\u90fd\u7528\u6b64\u65b9\u5f0f\u52a0\u5bc6\uff0c\u4f1a\u63d0\u793a\u8f93\u5165\u4e24\u6b21\u5bc6\u7801<\/p>\n\n\n\n

\u52a0\u5bc6\u540e\u53ea\u6709\u901a\u8fc7vim \u6253\u5f00\u6587\u4ef6\u8f93\u5165\u5bc6\u7801\u540e\u624d\u80fd\u67e5\u770b\uff0c\u901a\u8fc7cat\u6253\u5f00\u4e5f\u662f\u4e71\u7801\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
    \n
  • \u6253\u5f00\u65f6\uff1avim secret.txt<\/code> \u2192 \u63d0\u793a\u8f93\u5165\u5bc6\u7801\uff0c\u6b63\u786e\u624d\u663e\u793a\u660e\u6587<\/li>\n\n\n\n
  • \u53d6\u6d88\u52a0\u5bc6\uff1a\u6b63\u786e\u6253\u5f00\u540e\uff0c:X<\/code> \u2192 \u5bc6\u7801\u7559\u7a7a\uff0c\u4fdd\u5b58\u5373\u53ef<\/mark><\/strong><\/li>\n\n\n\n
  • \u7f3a\u70b9\uff1a\u7b97\u6cd5\u8f83\u5f31\uff0c\u4e0d\u9002\u5408\u6781\u9ad8\u5b89\u5168\u9700\u6c42\uff1b\u4ec5\u6587\u672c\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n

    2\u3001GPG \u52a0\u5bc6\uff08\u901a\u7528\u3001\u5b89\u5168\uff0c\u63a8\u8350\uff09<\/p>\n\n\n\n

    \u51e0\u4e4e\u6240\u6709\u53d1\u884c\u7248\u81ea\u5e26\uff0c\u652f\u6301\u4efb\u4f55\u6587\u4ef6\u7c7b\u578b<\/strong>\uff0c\u52a0\u5bc6\u540e\u751f\u6210 .gpg<\/code> \u6587\u4ef6\uff0c\u89e3\u5bc6\u9700\u5bc6\u7801<\/p>\n\n\n\n

      \n
    • \u4f18\u70b9\uff1a\u5b89\u5168\u3001\u8de8\u5e73\u53f0\u3001\u652f\u6301\u5927\u6587\u4ef6\uff1b\u4efb\u4f55\u6587\u4ef6\u90fd\u80fd\u7528<\/strong><\/li>\n\n\n\n
    • \u7f3a\u70b9\uff1a\u9700\u624b\u52a8\u89e3\u5bc6\uff0c\u4e0d\u80fd \u201c\u53cc\u51fb\u76f4\u63a5\u6253\u5f00<\/li>\n<\/ul>\n\n\n\n
      # \u5b89\u88c5\uff08\u5982\u672a\u9884\u88c5\uff09\nsudo apt install gnupg  # Debian\/Ubuntu\nsudo dnf install gnupg  # RHEL\/CentOS\/Fedora\n\n# \u52a0\u5bc6\u6587\u4ef6\uff08\u5bf9\u79f0\u52a0\u5bc6\uff0c\u7528\u5bc6\u7801\uff09\ngpg -c myfile.pdf  # \u4f1a\u63d0\u793a\u8f93\u5165\u4e24\u6b21\u5bc6\u7801\uff0c\u751f\u6210 myfile.pdf.gpg\n\n# \u89e3\u5bc6\/\u6253\u5f00\uff08\u81ea\u52a8\u63d0\u793a\u8f93\u5bc6\u7801\uff09\ngpg -d myfile.pdf.gpg > myfile.pdf  # \u8f93\u51fa\u5230\u65b0\u6587\u4ef6\n# \u6216\u76f4\u63a5\u89e3\u5bc6\u8986\u76d6\u539f\u6587\u4ef6\uff08\u8c28\u614e\uff09\ngpg myfile.pdf.gpg<\/code><\/pre>\n\n\n\n
      \u6ce8\uff1aGPG \u4ee3\u7406\u4f1a\u7f13\u5b58\u5bc6\u7801\u4e00\u6bb5\u65f6\u95f4\uff08\u9ed8\u8ba4 10 \u5206\u949f\u5230 2 \u5c0f\u65f6\uff09\uff0c\u56e0\u6b64\u5982\u679c\u521a\u52a0\u5bc6\u518d\u89e3\u5bc6\u4e0d\u4f1a\u63d0\u793a\u8f93\u5165\u5bc6\u7801\uff0c\u53ef\u6267\u884c\u547d\u4ee4\u6e05\u9664\u7f13\u5b58\uff0c\u7136\u540e\u5728\u89e3\u5bc6\u5c31\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u4e86\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
      gpgconf --kill gpg-agent\ngpg-connect-agent reloadagent \/bye<\/code><\/pre>\n\n\n\n
        \n
      • <\/li>\n<\/ul>\n\n\n\n
        3\u3001OpenSSL \u52a0\u5bc6\uff08\u8f7b\u91cf\u3001\u547d\u4ee4\u884c\u53cb\u597d\uff09<\/p>\n\n\n\n
        \u7528 AES-256 \u7b49\u5f3a\u7b97\u6cd5\u52a0\u5bc6\uff0c\u9002\u5408\u811a\u672c\u81ea\u52a8\u5316<\/p>\n\n\n\n
        # \u52a0\u5bc6\nopenssl enc -aes-256-cbc -salt -in secret.txt -out secret.txt.enc\n# \u89e3\u5bc6\nopenssl enc -d -aes-256-cbc -in secret.txt.enc -out secret.txt<\/code><\/pre>\n\n\n\n
        \u4e8c\u3001\u5bf9\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5185\u5bb9\u548c\u6587\u4ef6\u540d\u52a0\u5bc6<\/mark><\/strong><\/p>\n\n\n\n
        eCryptfs<\/strong>\uff08Enterprise Cryptographic Filesystem\uff09\u662f Linux \u5185\u6838\u5185\u7f6e\u7684\u4f01\u4e1a\u7ea7\u3001\u5806\u53e0\u5f0f\u6587\u4ef6\u7ea7\u52a0\u5bc6\u7cfb\u7edf<\/strong>\uff08\u81ea 2.6.19 \u5185\u6838\u8d77\u652f\u6301\uff09\u3002\u5176\u6838\u5fc3\u529f\u80fd\u662f\u5bf9\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5185\u5bb9\u4e0e\u6587\u4ef6\u540d<\/strong>\u8fdb\u884c\u900f\u660e\u52a0\u5bc6<\/strong>\uff0c\u65e0\u9700\u4fee\u6539\u5e94\u7528\u5373\u53ef\u4fdd\u62a4\u6570\u636e\uff0c\u5373\u4fbf\u8bbe\u5907\u4e22\u5931\u6216\u88ab\u975e\u6cd5\u8bbf\u95ee\uff0c\u672a\u6388\u6743\u8005\u4e5f\u65e0\u6cd5\u8bfb\u53d6\u5bc6\u6587<\/p>\n\n\n\n
        \u6838\u5fc3\u529f\u80fd\u8bb2\u89e3\uff1a<\/p>\n\n\n\n
        1\u3001\u900f\u660e\u52a0\u5bc6 \/ \u89e3\u5bc6\uff08\u6700\u6838\u5fc3\uff09<\/h4>\n\n\n\n
          \n
        • \u5185\u6838\u7ea7\u5806\u53e0<\/strong>\uff1a\u53e0\u52a0\u5728 ext4\u3001XFS \u7b49\u5e95\u5c42\u6587\u4ef6\u7cfb\u7edf\u4e4b\u4e0a\uff0c\u4e0d\u5360\u7528\u72ec\u7acb\u5206\u533a\u3002<\/li>\n\n\n\n
        • \u65e0\u611f\u4f7f\u7528<\/strong>\uff1a\u6388\u6743\u7528\u6237\u8bfb\u5199\u65f6\u81ea\u52a8\u89e3\u5bc6 \/ \u52a0\u5bc6\uff0c\u5e94\u7528\u7a0b\u5e8f\u5b8c\u5168\u65e0\u611f\u77e5\u3002<\/li>\n\n\n\n
        • \u6587\u4ef6\u7c92\u5ea6<\/strong>\uff1a\u6bcf\u4e2a\u6587\u4ef6\u72ec\u7acb\u52a0\u5bc6<\/strong>\uff0c\u4e92\u4e0d\u5f71\u54cd\u3002<\/li>\n<\/ul>\n\n\n\n
          2. \u53cc\u91cd\u52a0\u5bc6\uff1a\u5185\u5bb9 + \u6587\u4ef6\u540d<\/h4>\n\n\n\n
            \n
          • \u6587\u4ef6\u5185\u5bb9\u52a0\u5bc6<\/strong>\n
              \n
            • \u6bcf\u4e2a\u6587\u4ef6\u751f\u6210\u552f\u4e00\u968f\u673a FEK\uff08\u6587\u4ef6\u52a0\u5bc6\u5bc6\u94a5\uff09<\/strong>\u3002<\/li>\n\n\n\n
            • \u7528 AES-256 \u7b49\u5f3a\u5bf9\u79f0\u7b97\u6cd5\u52a0\u5bc6\u6587\u4ef6\u6570\u636e\u3002<\/li>\n\n\n\n
            • FEK \u518d\u88ab\u7528\u6237\u5bc6\u7801 \/ \u5bc6\u94a5\u52a0\u5bc6\uff08EFEK\uff09\uff0c\u5b58\u5728\u6587\u4ef6\u5934\u90e8\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
            • \u6587\u4ef6\u540d\u52a0\u5bc6<\/strong>\n
                \n
              • \u652f\u6301\u52a0\u5bc6\u76ee\u5f55\u4e0e\u6587\u4ef6\u540d\uff0c\u5f7b\u5e95\u9690\u85cf\u654f\u611f\u4fe1\u606f\u3002<\/li>\n\n\n\n
              • \u52a0\u5bc6\u540e\u6587\u4ef6\u540d\u53d8\u957f\uff08\u7ea6 1\/3\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
                3. \u7075\u6d3b\u5bc6\u94a5\u4f53\u7cfb<\/h4>\n\n\n\n
                  \n
                • \u5bc6\u7801 \/ \u5bc6\u94a5\u6d3e\u751f<\/strong>\uff1a\u4ece\u7528\u6237\u5bc6\u7801\u751f\u6210\u4e3b\u5bc6\u94a5\uff08FEKEK\uff09\u3002<\/li>\n\n\n\n
                • \u591a\u7ea7\u5bc6\u94a5<\/strong>\uff1a\n
                    \n
                  • FEK<\/strong>\uff1a\u6587\u4ef6\u6570\u636e\u52a0\u5bc6\uff08\u968f\u673a\u751f\u6210\uff09\u3002<\/li>\n\n\n\n
                  • FEKEK<\/strong>\uff1a\u52a0\u5bc6\u4fdd\u62a4 FEK\uff08\u7528\u6237\u5bc6\u7801 \/ \u516c\u94a5\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                  • \u5185\u6838\u5bc6\u94a5\u73af<\/strong>\uff1a\u5bc6\u94a5\u5b89\u5168\u7f13\u5b58\uff0c\u4f1a\u8bdd\u671f\u514d\u91cd\u590d\u8f93\u5bc6\u7801\u3002<\/li>\n\n\n\n
                  • \u6269\u5c55\u652f\u6301<\/strong>\uff1aTPM\u3001PKCS#11\u3001\u516c\u94a5\u52a0\u5bc6\uff08RSA\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                    4. \u4fbf\u6377\u90e8\u7f72\u4e0e\u8fc1\u79fb<\/h4>\n\n\n\n
                      \n
                    • \u76ee\u5f55\u7ea7\u52a0\u5bc6<\/strong>\uff1a\u6302\u8f7d\u5230\u4efb\u610f\u76ee\u5f55\uff08\u5982\uff5e\/Private\uff09\u3002<\/li>\n\n\n\n
                    • \u65e0\u9700\u9884\u5206\u914d\u7a7a\u95f4<\/strong>\uff1a\u76f4\u63a5\u5728\u73b0\u6709\u76ee\u5f55\u542f\u7528\u3002<\/li>\n\n\n\n
                    • \u53ef\u8fc1\u79fb\u5907\u4efd<\/strong>\uff1a\u52a0\u5bc6\u6587\u4ef6 + \u5934\u90e8\u5143\u6570\u636e\uff0c\u53ef\u76f4\u63a5\u590d\u5236 \/ \u5907\u4efd \/ \u6062\u590d\u3002<\/li>\n\n\n\n
                    • \u7528\u6237 Home \u52a0\u5bc6<\/strong>\uff1aUbuntu \u7b49\u66fe\u7528\u5b83\u5b9e\u73b0\u52a0\u5bc6\u4e3b\u76ee\u5f55\u3002<\/li>\n<\/ul>\n\n\n\n
                      5. \u5b89\u5168\u4e0e\u517c\u5bb9\u7279\u6027<\/h4>\n\n\n\n
                        \n
                      • \u5185\u6838 Crypto API<\/strong>\uff1a\u9ad8\u6548\u3001\u5185\u6838\u6001\u52a0\u89e3\u5bc6\uff0c\u6027\u80fd\u635f\u8017\u4f4e\u3002<\/li>\n\n\n\n
                      • OpenPGP \u517c\u5bb9\u683c\u5f0f<\/strong>\uff1a\u5b89\u5168\u6807\u51c6\u9ad8\u3001\u53ef\u8de8\u4fe1\u4efb\u57df\u8fc1\u79fbecryptfs.sourceforge.net\u3002<\/li>\n\n\n\n
                      • POSIX \u517c\u5bb9<\/strong>\uff1a\u4fdd\u7559\u6743\u9650\u3001\u5c5e\u4e3b\u3001\u8f6f\u786c\u94fe\u63a5\u7b49\u5c5e\u6027\u3002<\/li>\n\n\n\n
                      • \u4e0d\u5f71\u54cd\u4ea4\u6362\u5206\u533a<\/strong>\uff1a\u9700\u914d\u5408 dm-crypt \u5355\u72ec\u52a0\u5bc6 swap<\/li>\n<\/ul>\n\n\n\n
                        \u9002\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n
                          \n
                        • \u4e2a\u4eba \/ \u4f01\u4e1a \u654f\u611f\u76ee\u5f55\u52a0\u5bc6<\/strong>\uff08\u6587\u6863\u3001\u8bc1\u4e66\u3001\u4ee3\u7801\uff09<\/li>\n\n\n\n
                        • \u591a\u7528\u6237\u670d\u52a1\u5668 \u7528\u6237 Home \u9694\u79bb\u52a0\u5bc6<\/strong><\/li>\n\n\n\n
                        • \u4e91\u670d\u52a1\u5668 \/ VPS \u6570\u636e\u9632\u6cc4\u9732<\/strong><\/li>\n\n\n\n
                        • \u79fb\u52a8\u8bbe\u5907 \u4e22\u5931\u540e\u6570\u636e\u4fdd\u62a4<\/strong><\/li>\n\n\n\n
                        • \u9700 \u6587\u4ef6\u7ea7\u3001\u53ef\u8fc1\u79fb\u3001\u900f\u660e\u52a0\u5bc6<\/strong> \u7684\u573a\u666f\uff08\u975e\u5168\u76d8\uff09<\/li>\n<\/ul>\n\n\n\n
                          eCryptfs\u4f7f\u7528<\/mark><\/strong><\/p>\n\n\n\n
                          1\u3001\u5148\u5b89\u88c5\u5305\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                          sudo apt update && sudo apt install ecryptfs-utils<\/code><\/pre>\n\n\n\n
                          2\u3001\u5efa\u4e24\u4e2a\u76ee\u5f55\uff08\u660e\u6587\u6302\u8f7d\u70b9 + \u5e95\u5c42\u52a0\u5bc6\u5b58\u50a8\uff09<\/p>\n\n\n\n
                          # \u4e0a\u5c42\uff1a\u4f60\u65e5\u5e38\u7528\u7684\u89e3\u5bc6\u76ee\u5f55\uff0c\u5b9e\u9645\u7684\u4e1a\u52a1\u6587\u4ef6\u662f\u5728\u8fd9\u4e2a\u76ee\u5f55\u4e0b\nmkdir -p ~\/Private_Decrypt\n\n# \u4e0b\u5c42\uff1a\u771f\u6b63\u5b58\u52a0\u5bc6\u6587\u4ef6\u7684\u76ee\u5f55\uff08\u5343\u4e07\u522b\u76f4\u63a5\u5f80\u8fd9\u91cc\u5199\uff01\uff09\nmkdir -p \/opt\/ecryptfs_my_secret\nchmod 700 \/opt\/ecryptfs_my_secret<\/code><\/pre>\n\n\n\n
                          3\u3001\u6267\u884c\u547d\u4ee4\u6302\u8f7d(\u52a0\u5bc6\u76ee\u5f55\u5728\u524d\uff0c\u660e\u6587\u76ee\u5f55\u5728\u540e)<\/p>\n\n\n\n
                          mount -t ecryptfs \/opt\/ecryptfs_my_secret ~\/Private_Decrypt<\/code><\/pre>\n\n\n\n
                            \n
                          • Passphrase: \u8f93\u5165\u4f60\u5f3a\u5bc6\u7801\uff08\u8bb0\u4f4f\uff01\u4e22\u4e86\u6570\u636e\u5168\u6ca1<\/mark><\/strong>\uff09<\/li>\n\n\n\n
                          • Select cipher: \u9009 aes<\/code><\/li>\n\n\n\n
                          • Select key bytes: \u9009 32<\/code>\uff08AES-256\uff09<\/li>\n\n\n\n
                          • Enable plaintext passthrough: n<\/code> (\u9009n \u8868\u793a\u4f20\u9012\u6765\u7684\u6587\u4ef6\u5168\u90e8\u52a0\u5bc6)<\/li>\n\n\n\n
                          • Enable filename encryption: y<\/code> \uff08\u6587\u4ef6\u540d\u4e5f\u52a0\u5bc6\uff09<\/li>\n<\/ul>\n\n\n\n
                            \u6ce8\uff1a\u6302\u8f7d\u6210\u529f\u540e\uff1a\u5f80 ~\/Private_Decrypt<\/code> \u5199\u6587\u4ef6\uff0c\u81ea\u52a8\u52a0\u5bc6\uff1b\u5e95\u5c42 \/opt\/ecryptfs_my_secret<\/code> \u5168\u662f\u4e71\u7801\u5bc6\u6587\u3002<\/p>\n\n\n\n
                            4\u3001\u9a8c\u8bc1\u4e0b\uff0c\u60f3~\/Private_Decrypt\u4e2d\u521b\u5efa\u6587\u4ef6\u5199\u5165\u5185\u5bb9\uff0c\u7136\u540e\u67e5\u770b\/opt\/ecryptfs_my_secret\u4e2d\u7684\u6587\u4ef6\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
                            \"\"<\/figure>\n\n\n\n
                            \"\"<\/figure>\n\n\n\n
                            5\u3001\u5378\u8f7d\u52a0\u5bc6\u76ee\u5f55<\/p>\n\n\n\n
                            \u9000\u51fa\u6240\u6709\u8be5\u76ee\u5f55\u7a0b\u5e8f\uff0c\u518d\u6267\u884c\uff1a<\/p>\n\n\n\n
                             umount ~\/Private_Decrypt<\/code><\/pre>\n\n\n\n
                            \u5378\u8f7d\u540e\uff0c~\/Private_Decrypt<\/code> \u770b\u4e0d\u5230\u771f\u5b9e\u5185\u5bb9(\u662f\u7a7a\u7684\uff0c\u6ca1\u6709\u4efb\u4f55\u5185\u5bb9)\uff0c\u5fc5\u987b\u91cd\u65b0\u8f93\u5bc6\u7801\u6302\u8f7d\u624d\u884c<\/p>\n\n\n\n
                            6\u3001\u65e5\u5e38\u8fd0\u7ef4\u5173\u952e\u64cd\u4f5c\uff1a<\/p>\n\n\n\n
                            \u67e5\u770b\u5f53\u524d eCryptfs \u6302\u8f7d\uff1a<\/p>\n\n\n\n
                            mount | grep ecryptfs<\/code><\/pre>\n\n\n\n
                            \u5fd8\u8bb0\u6302\u8f7d\u53c2\u6570\uff0c\u91cd\u65b0\u4ea4\u4e92\u5f0f\u6302\u8f7d\uff1a<\/p>\n\n\n\n
                            mount -t ecryptfs \u5e95\u5c42\u76ee\u5f55 \u6302\u8f7d\u70b9<\/code><\/pre>\n\n\n\n
                            \u5907\u4efd\u52a0\u5bc6\u6570\u636e\uff0c\u53ea\u5907\u4efd\u5e95\u5c42\u52a0\u5bc6\u76ee\u5f55\u5c31\u884c\uff0c\/opt\/ecryptfs_my_secret<\/code> \u6574\u4e2a\u6253\u5305\u590d\u5236\uff0c\u6362\u673a\u5668\u4e5f\u80fd\u6302\u8f7d\u89e3\u5bc6\uff08\u53ea\u8981\u5bc6\u7801\u4e00\u81f4\uff09\uff0c\u4e0d\u8981\u76f4\u63a5\u5907\u4efd\u89e3\u5bc6\u76ee\u5f55\uff01\u90a3\u662f\u660e\u6587<\/p>\n\n\n\n
                            \u5f00\u673a\u81ea\u52a8\u6302\u8f7d\uff08\u614e\u7528\uff0c\u5b58\u5bc6\u7801\u6709\u98ce\u9669\uff09<\/p>\n\n\n\n
                            7\u3001\u5e38\u89c1\u62a5\u9519 & \u5751<\/p>\n\n\n\n
                            Input\/output error \u6253\u4e0d\u5f00\u6587\u4ef6\uff1a<\/p>\n\n\n\n
                              \n
                            • \u6ca1\u6b63\u786e\u5378\u8f7d\u5c31\u62d4\u76d8 \/ \u91cd\u542f\uff0c\u52a0\u5bc6\u5143\u6570\u636e\u635f\u574f<\/li>\n\n\n\n
                            • \u89e3\u51b3\uff1a\u5148 umount\uff0c\u68c0\u67e5\u5e95\u5c42\u76ee\u5f55\u6743\u9650 700\uff0c\u91cd\u65b0\u6302\u8f7d\u6838\u5bf9\u5bc6\u7801\u3001\u6587\u4ef6\u540d\u52a0\u5bc6\u5f00\u5173\u4e00\u81f4<\/li>\n<\/ul>\n\n\n\n
                              \u6302\u8f7d\u63d0\u793a\u53c2\u6570\u4e0d\u5339\u914d\uff1a<\/p>\n\n\n\n
                                \n
                              • \u524d\u540e\uff1aAES\u300132 \u4f4d\u5bc6\u94a5\u3001\u6587\u4ef6\u540d\u52a0\u5bc6 y\/n<\/code> \u5fc5\u987b\u548c\u7b2c\u4e00\u6b21\u5b8c\u5168\u4e00\u81f4<\/li>\n<\/ul>\n\n\n\n
                                Docker \/ \u5bb9\u5668\u91cc\u7528\u62a5\u9519\uff1a<\/p>\n\n\n\n
                                  \n
                                • eCryptfs \u53e0\u52a0\u6587\u4ef6\u7cfb\u7edf\uff0c\u5bb9\u5668\u76f4\u901a\u6302\u8f7d\u5bb9\u6613\u6743\u9650 \/inode \u51b2\u7a81\uff1b\u4e0d\u5efa\u8bae\u628a eCryptfs \u76ee\u5f55\u76f4\u63a5\u7ed9 Docker \u505a\u6570\u636e\u5377<\/strong>\uff0c\u4f18\u5148 LUKS \u5757\u52a0\u5bc6\u66f4\u7a33<\/li>\n<\/ul>\n\n\n\n
                                  \u603b\u7ed3\u4e0becryptfs\u4e3b\u8981\u80fd\u5e72\u5565\uff1a\u628a\u4e00\u4e2a\u52a0\u5bc6\u76ee\u5f55\u6302\u8f7d\u5230\u4e00\u4e2a\u660e\u6587\u76ee\u5f55\u4e2d\uff0c\u7136\u540e\u5728\u660e\u6587\u76ee\u5f55\u4e2d\u5199\u5165\u6570\u636e\uff0c\u5982\u679c\u6211\u5378\u8f7d\u4e86\u52a0\u5bc6\u76ee\u5f55\uff0c\u90a3\u4e48\u660e\u6587\u76f4\u63a5\u5c31\u770b\u4e0d\u5230\u4e86\uff0c\u5e94\u7528\u6302\u6389\uff0c\u5982\u679c\u60f3\u7ee7\u7eed\u91cd\u65b0\u4f7f\u7528\uff0c\u53ef\u4ee5\u91cd\u65b0\u6302\u8f7d\uff0c\u53ea\u6709\u77e5\u9053\u4e86\u5bc6\u7801\u624d\u80fd\u91cd\u65b0\u6302\u8f7d\uff0c\u5426\u5219\u6570\u636e\u5168\u90e8\u4e22\u5931<\/p>\n\n\n\n
                                  \u4e09\u3001\u5bf9\u6574\u4e2a\u78c1\u76d8\u52a0\u5bc6<\/mark><\/strong><\/p>\n\n\n\n
                                  LUKS = Linux Unified Key Setup<\/strong>\uff0c\u4e3b\u8981\u529f\u80fd\u662f\u7ed9\u6574\u4e2a\u78c1\u76d8\/\u5206\u533a\u8fdb\u884c\u52a0\u5bc6<\/p>\n\n\n\n
                                  \u6838\u5fc3\u4f5c\u7528\uff1a<\/p>\n\n\n\n
                                  1\u3001\u52a0\u5bc6\u6574\u4e2a\u5206\u533a \/ \u78c1\u76d8\uff08\u5757\u7ea7\u52a0\u5bc6\uff09\uff1a<\/p>\n\n\n\n
                                    \n
                                  • \/dev\/sda3 \u6574\u4e2a\u7cfb\u7edf\u76d8\uff0c\u6574\u4e2a\u79fb\u52a8\u786c\u76d8\u3001U \u76d8\u3001\u6574\u4e2a\u6570\u636e\u5206\u533a(\u5199\u5165\u7684\u6240\u6709\u6570\u636e\uff08\u7cfb\u7edf\u3001\u6587\u4ef6\u3001\u65e5\u5fd7\u3001\u7f13\u5b58\u3001\u4e34\u65f6\u6587\u4ef6\u3001swap \u4ea4\u6362\u5206\u533a\uff09\u5168\u90e8\u81ea\u52a8\u52a0\u5bc6<\/strong>\uff0c\u5185\u6838\u5e95\u5c42\u52a0\u89e3\u5bc6\uff0c\u4e0a\u5c42\u7cfb\u7edf\u5b8c\u5168\u65e0\u611f)<\/li>\n<\/ul>\n\n\n\n
                                    2\u3001\u5f00\u673a \/ \u6302\u8f7d\u5fc5\u987b\u8f93\u5bc6\u7801 \/ \u63d2\u5bc6\u94a5<\/p>\n\n\n\n
                                      \n
                                    • \u6ca1\u5bc6\u7801 \u2192 \u5206\u533a\u76f4\u63a5\u8bc6\u522b\u4e0d\u4e86\uff0c\u5168\u76d8\u90fd\u662f\u4e71\u7801\uff1b<\/li>\n\n\n\n
                                    • \u4e22\u786c\u76d8\u3001\u88ab\u76d7\u3001\u62c6\u76d8\u8bfb\u6570\u636e \u2192 \u5b8c\u5168\u6252\u4e0d\u51fa\u6765<\/li>\n<\/ul>\n\n\n\n
                                      3\u3001\u652f\u6301\u591a\u5bc6\u7801\u69fd\uff08\u975e\u5e38\u5b9e\u7528\uff09\uff0c\u4e00\u4e2a LUKS \u52a0\u5bc6\u76d8\uff0c\u53ef\u4ee5\u5b58\u591a\u4e2a\u89e3\u9501\u5bc6\u7801 \/ \u5bc6\u94a5<\/strong>\uff1a<\/p>\n\n\n\n
                                        \n
                                      • \u65e5\u5e38\u81ea\u5df1\u7528\u4e3b\u5bc6\u7801<\/li>\n\n\n\n
                                      • \u7559\u4e00\u4e2a\u5907\u7528\u5e94\u6025\u5bc6\u7801<\/li>\n\n\n\n
                                      • \u7528 U \u76d8\u5bc6\u94a5\u6587\u4ef6\u89e3\u9501<\/li>\n<\/ul>\n\n\n\n
                                        4\u3001\u7cfb\u7edf\u7ea7\u5168\u8986\u76d6<\/p>\n\n\n\n
                                          \n
                                        • \u5305\u62ec\u4e34\u65f6\u6587\u4ef6\u3001\u7f13\u5b58\u3001swap \u865a\u62df\u5185\u5b58\u3001\u6b8b\u7559\u65e5\u5fd7 \u2014\u2014\u5168\u90e8\u52a0\u5bc6\u4e0d\u7559\u660e\u6587\u75d5\u8ff9<\/strong>\uff0c\u8fd9\u662f eCryptfs \u505a\u4e0d\u5230\u7684<\/li>\n<\/ul>\n\n\n\n
                                          LUKS vs eCryptfs \u76f4\u767d\u5bf9\u6bd4<\/p>\n\n\n\n
                                          \u5bf9\u6bd4\u9879<\/th>LUKS(dm-crypt)<\/th>eCryptfs<\/th><\/tr><\/thead>
                                          \u52a0\u5bc6\u5c42\u7ea7<\/td>\u6574\u5757\u78c1\u76d8 \/ \u5206\u533a\uff08\u5757\u7ea7\uff09<\/td>\u6587\u4ef6\u5939 \/ \u6587\u4ef6\uff08\u6587\u4ef6\u7ea7\uff09<\/td><\/tr>
                                          \u8981\u4e0d\u8981\u72ec\u7acb\u5206\u533a<\/td>\u5fc5\u987b\u5355\u72ec\u5206\u533a \/ \u6574\u5757\u76d8<\/td>\u968f\u4fbf\u4e00\u4e2a\u76ee\u5f55\u5c31\u884c<\/td><\/tr>
                                          \u52a0\u5bc6\u8303\u56f4<\/td>\u6240\u6709\u6570\u636e\u3001\u65e5\u5fd7\u3001\u7f13\u5b58\u3001swap \u5168\u8986\u76d6<\/td>\u53ea\u4fdd\u62a4\u4f60\u6307\u5b9a\u7684\u90a3\u4e2a\u76ee\u5f55<\/td><\/tr>
                                          \u5220\u9664\u6587\u4ef6<\/td>\u5f7b\u5e95\u5bc6\u6587\u5220\u9664\uff0c\u65e0\u6b8b\u7559<\/td>\u5220\u660e\u6587\u89c6\u56fe = \u5220\u771f\u5b9e\u52a0\u5bc6\u6587\u4ef6<\/td><\/tr>
                                          \u8fc1\u79fb\u62f7\u8d1d<\/td>\u6574\u4e2a\u5206\u533a\u955c\u50cf\u8fc1\u79fb\uff0c\u4e0d\u80fd\u5355\u62f7\u6587\u4ef6<\/td>\u53ef\u5355\u72ec\u62f7\u8d1d\u5355\u4e2a\u52a0\u5bc6\u6587\u4ef6 \/ \u76ee\u5f55<\/td><\/tr>
                                          \u9002\u5408\u573a\u666f<\/td>\u88c5\u673a\u5168\u76d8\u52a0\u5bc6\u3001\u670d\u52a1\u5668\u6574\u76d8\u4fdd\u5bc6\u3001\u79fb\u52a8\u786c\u76d8\u52a0\u5bc6<\/td>\u53ea\u52a0\u5bc6\u4e2a\u522b\u9690\u79c1\u6587\u4ef6\u5939\u3001\u8bc1\u4e66\u3001\u79c1\u5bc6\u6587\u6863<\/td><\/tr>
                                          Docker \/ \u5bb9\u5668<\/td>\u7a33\u5b9a\u517c\u5bb9\uff0c\u751f\u4ea7\u9996\u9009<\/td>\u5bb9\u6613\u51fa IO \u62a5\u9519\u3001\u4e0d\u63a8\u8350\u5bb9\u5668\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                                          LUKS \u662f\u5757\u7ea7\u52a0\u5bc6<\/strong>\uff0c\u4f9d\u8d56\uff1acryptsetup + dm-crypt<\/code><\/p>\n\n\n\n
                                          \u26a0\ufe0f \u8b66\u544a\uff1a\u6240\u6709\u64cd\u4f5c\u4f1a\u6e05\u7a7a\u76ee\u6807\u78c1\u76d8 \/ \u5206\u533a\u6570\u636e\uff01\u5148\u5907\u4efd<\/mark>\uff01\u5206\u6e05\u8bbe\u5907\uff0c\u522b\u70b8\u7cfb\u7edf\u76d8\uff01<\/mark><\/strong><\/p>\n\n\n\n
                                          \u5b9e\u9645\u64cd\u4f5c<\/mark><\/strong><\/p>\n\n\n\n
                                          1\u3001\u5b89\u88c5\u5de5\u5177\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                                          apt update && sudo apt install cryptsetup<\/code><\/pre>\n\n\n\n
                                          2\u3001\u7ed9Linux\u670d\u52a1\u5668\u65b0\u589e\u4e00\u5757\u76d8\uff0c\u5e76\u5c06\u6b64\u76d8\u8fdb\u884c\u5206\u533a\uff0c\u5148\u4e0d\u7528\u6267\u884cmkfs\u6765\u683c\u5f0f\u5316<\/mark><\/strong>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
                                          \"\"<\/figure>\n\n\n\n
                                          3\u3001\u7ed9\u5206\u533a\u521d\u59cb\u5316 LUKS \u52a0\u5bc6\uff08\u5199\u52a0\u5bc6\u5934\uff09\uff0c\u7ed9\u5206\u533a\u5199\u5165 LUKS \u5934\u90e8\u3001\u751f\u6210\u52a0\u5bc6\u5bc6\u94a5\u69fd\uff0c\u6574\u4e2a\u5206\u533a\u53d8\u6210\u5bc6\u6587\u5bb9\u5668\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                                          cryptsetup luksFormat \/dev\/vdb1<\/code><\/pre>\n\n\n\n
                                            \n
                                          • \u8f93\u5165\u5927\u5199 YES<\/code> \u786e\u8ba4\uff08\u5fc5\u987b\u5168\u5927\u5199\uff09<\/li>\n\n\n\n
                                          • \u8bbe\u7f6e\u5f3a\u89e3\u9501\u5bc6\u7801\uff08\u7262\u8bb0\uff0c\u4e22\u4e86\u6570\u636e\u6c38\u4e45\u62a5\u5e9f\uff09<\/li>\n<\/ul>\n\n\n\n
                                            \"\"<\/figure>\n\n\n\n
                                            4\u3001\u6253\u5f00 LUKS \u5bb9\u5668\uff0c\u6620\u5c04\u6210\u7cfb\u7edf\u53ef\u8bc6\u522b\u865a\u62df\u8bbe\u5907\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                                            cryptsetup luksOpen \/dev\/vdb1 mycrypt<\/code><\/pre>\n\n\n\n
                                              \n
                                            • mycrypt<\/code>\uff1a\u81ea\u5b9a\u4e49\u6620\u5c04\u540d\uff0c\u7136\u540e\u8f93\u5165\u521a\u624d\u8bbe\u7f6e\u7684\u5bc6\u7801<\/li>\n<\/ul>\n\n\n\n
                                              \"\"<\/figure>\n\n\n\n
                                              \u6267\u884c\u540e\u4f1a\u751f\u6210\u865a\u62df\u5757\u8bbe\u5907\uff0c\u6267\u884cfdisk -l \u53ef\u4ee5\u67e5\u770b\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n
                                              \"\"<\/figure>\n\n\n\n
                                              5\u3001\u5728\u52a0\u5bc6\u5bb9\u5668\u91cc\u5efa\u6587\u4ef6\u7cfb\u7edf\uff0c\u683c\u5f0f\u5316\u4e3axfs\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                                              mkfs.xfs \/dev\/mapper\/mycrypt<\/code><\/pre>\n\n\n\n
                                              \"\"<\/figure>\n\n\n\n
                                              6\u3001\u6302\u8f7d\u4f7f\u7528\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n
                                              mkdir -p \/datanew\nmount \/dev\/mapper\/mycrypt \/datanew<\/code><\/pre>\n\n\n\n
                                              \u73b0\u5728\u5f80\/datanew\u4e2d\u5b58\u6587\u4ef6 \u2192 \u5e95\u5c42\u81ea\u52a8\u5168\u76d8\u52a0\u5bc6\uff0c\u62c6\u76d8\u3001\u8bfb\u88f8\u5206\u533a\u5168\u662f\u4e71\u7801<\/p>\n\n\n\n
                                              7\u3001\u65e5\u5e38\u5378\u8f7d & \u5173\u95ed\u52a0\u5bc6\uff08\u5b89\u5168\u62d4\u76d8\uff09<\/p>\n\n\n\n
                                              \u5378\u8f7d\uff1a<\/p>\n\n\n\n
                                              umount \/datanew<\/code><\/pre>\n\n\n\n
                                              \u5173\u95ed LUKS \u6620\u5c04\uff0c\u5173\u95ed\u540e\uff1a\/dev\/mapper\/mycrypt<\/code> \u6d88\u5931\uff0c\u5206\u533a\u5f7b\u5e95\u9501\u6b7b<\/mark><\/strong><\/p>\n\n\n\n
                                              cryptsetup luksClose mycrypt   #\u8981\u5148\u9000\u51fa\/datanew\u76ee\u5f55\uff0c\u5426\u5219\u4f1a\u63d0\u793aDevice mycrypt is still in use<\/code><\/pre>\n\n\n\n
                                              \u4e0b\u6b21\u91cd\u65b0\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\n\n\n\n
                                              # 1.\u6253\u5f00\u52a0\u5bc6\r\nsudo cryptsetup luksOpen \/dev\/vdb1 mycrypt\r\n# 2.\u6302\u8f7d\r\nsudo mount \/dev\/mapper\/mycrypt \/mnt\/luks_data<\/code><\/pre>\n\n\n\n
                                              8\u3001\u8fdb\u9636<\/p>\n\n\n\n
                                              \u67e5\u770b LUKS \u4fe1\u606f \/ \u5bc6\u94a5\u69fd<\/p>\n\n\n\n
                                              cryptsetup luksDump \/dev\/vdb1<\/code><\/pre>\n\n\n\n
                                              \u6dfb\u52a0\u65b0\u7684\u5907\u7528\u5bc6\u7801\uff0c\u540e\u7eed\u7528\u5907\u7528\u5bc6\u7801\u6302\u8f7d\u4e5f\u53ef\u4ee5\u7684\uff1a<\/p>\n\n\n\n
                                              # 1. \u6dfb\u52a0\u65b0\u5bc6\u7801\r\nsudo cryptsetup luksAddKey \/dev\/sdb1\r\n\r\n# 2. \u7cfb\u7edf\u63d0\u793a\uff1a\u8f93\u5165\u3010\u5df2\u5b58\u5728\u7684\u6b63\u786e\u5bc6\u7801\u3011\r\nEnter any existing passphrase:  \u3010\u8f93\u5165\u4f60\u539f\u6765\u7684\u4e3b\u5bc6\u7801\u3011\r\n\r\n# 3. \u7cfb\u7edf\u63d0\u793a\uff1a\u8f93\u5165\u3010\u65b0\u7684\u5907\u7528\u5bc6\u7801\u3011\r\nEnter new passphrase for key slot:  \u3010\u4f60\u60f3\u52a0\u7684\u5907\u7528\u5bc6\u7801\u3011\r\n\r\n# 4. \u786e\u8ba4\u65b0\u5bc6\u7801\r\nVerify passphrase:  \u3010\u518d\u8f93\u4e00\u904d\u3011<\/code><\/pre>\n\n\n\n
                                              \u5220\u9664\u4e0d\u7528\u5bc6\u7801\u69fd\uff1a<\/p>\n\n\n\n
                                              cryptsetup luksRemoveKey \/dev\/sdb1<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                                              \u5728 Linux \u4e0a\u8ba9 \u201c\u6253\u5f00\u6587\u4ef6\u9700\u8981\u8f93\u5165\u5bc6\u7801\u201d\uff0c\u6838\u5fc3\u662f\u5bf9\u6587\u4ef6 \/ \u76ee\u5f55\u505a\u52a0\u5bc6\uff0c\u53ea\u6709\u8f93\u5165\u6b63\u786e\u5bc6\u7801\u624d\u80fd\u89e3\u5bc6\u67e5\u770b\u3002\u4e0b […]<\/p>\n","protected":false},"author":3,"featured_media":19895,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-19892","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/19892","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=19892"}],"version-history":[{"count":43,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/19892\/revisions"}],"predecessor-version":[{"id":19948,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/19892\/revisions\/19948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/19895"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=19892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=19892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=19892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}