{"id":135,"date":"2026-01-22T09:13:17","date_gmt":"2026-01-22T09:13:17","guid":{"rendered":"https:\/\/blog.gpst.net.cn:4008\/?p=135"},"modified":"2026-01-28T06:24:15","modified_gmt":"2026-01-28T06:24:15","slug":"%e6%89%b9%e9%87%8f%e5%88%9b%e5%bb%ba-linux-%e7%94%a8%e6%88%b7%e5%b9%b6%e8%ae%be%e7%bd%aesha-512%e5%8a%a0%e5%af%86%e5%af%86%e7%a0%81","status":"publish","type":"post","link":"https:\/\/opshub.com.cn\/?p=135","title":{"rendered":"\u6279\u91cf\u521b\u5efa Linux \u7528\u6237\u5e76\u8bbe\u7f6eSHA-512\u52a0\u5bc6\u5bc6\u7801"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>#!\/bin\/bash\n# \u5b9a\u4e49\u8981\u521b\u5efa\u7684\u7528\u6237\u540d\u548c\u660e\u6587\u5bc6\u7801\nUSER_NAME=\"testuser\"\nRAW_PWD=\"xansun\"\n\n# \u751f\u6210 SHA-512 \u52a0\u5bc6\u5bc6\u7801\uff08\u6838\u5fc3\u547d\u4ee4\uff09\nENCRYPTED_PWD=$(echo \"$RAW_PWD\" | openssl passwd -6 -salt $(&lt; \/dev\/urandom tr -dc '&#091;:alnum:]' | head -c 16) -stdin)\n\n# \u521b\u5efa\u7528\u6237\u5e76\u8bbe\u7f6e\u52a0\u5bc6\u5bc6\u7801\uff08\u65e0\u9700\u4ea4\u4e92\uff09\nif ! id \"$USER_NAME\" &amp;&gt;\/dev\/null; then\n    useradd -m -p \"$ENCRYPTED_PWD\" \"$USER_NAME\"\n    echo \"\u7528\u6237 $USER_NAME \u521b\u5efa\u6210\u529f\uff0c\u5bc6\u7801\uff1a$RAW_PWD\uff08\u52a0\u5bc6\u540e\uff1a$ENCRYPTED_PWD\uff09\"\nelse\n    echo \"\u7528\u6237 $USER_NAME \u5df2\u5b58\u5728\"\nfi<\/code><\/pre>\n\n\n\n<p>\u6838\u5fc3\u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>echo \"xansun\" | openssl passwd -6 -salt $(&lt; \/dev\/urandom tr -dc '&#091;:alnum:]' | head -c 16) -stdin<\/code><\/code><\/pre>\n\n\n\n<p>\u547d\u4ee4\u6bb5\u4f5c\u7528\u8be6\u7ec6\u8bf4\u660e<\/p>\n\n\n\n<p><code>echo \"xansun\"<\/code>\u8f93\u51fa\u660e\u6587\u5bc6\u7801\u63d0\u4f9b\u9700\u8981\u52a0\u5bc6\u7684\u539f\u59cb\u5bc6\u7801 <code>xansun<\/code>\uff0c\u901a\u8fc7\u7ba1\u9053\u4f20\u9012\u7ed9\u540e\u7eed\u547d\u4ee4&#8220;\u7ba1\u9053\u7b26\u5c06\u524d\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa\u4f5c\u4e3a\u540e\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u5165<\/p>\n\n\n\n<p><code>openssl passwd<\/code>OpenSSL \u5bc6\u7801\u52a0\u5bc6\u5de5\u5177\u6838\u5fc3\u5de5\u5177\uff0c\u7528\u4e8e\u751f\u6210\u52a0\u5bc6\u7684\u5bc6\u7801\u54c8\u5e0c\u503c<\/p>\n\n\n\n<p><code>-<\/code>6\u5173\u952e\u53c2\u6570\uff1a\u4f7f\u7528 <strong>SHA-512 \u7b97\u6cd5<\/strong>\uff08Linux \u7cfb\u7edf\u9ed8\u8ba4 \/ \u63a8\u8350\u7684\u5bc6\u7801\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5bf9\u5e94 <code>\/etc\/shadow<\/code> \u4e2d\u5bc6\u7801\u5f00\u5934\u7684 <code>$6$<\/code>\uff09\uff0c\u5b89\u5168\u6027\u8fdc\u9ad8\u4e8e MD5\uff08<code>-1<\/code>\uff09<\/p>\n\n\n\n<p><code>-salt $(...)<\/code>\u6307\u5b9a\u76d0\u503c\uff08\u968f\u673a\u751f\u6210\uff09\u76d0\u503c\u662f\u52a0\u5bc6\u65f6\u7684\u968f\u673a\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u9632\u6b62\u5f69\u8679\u8868\u7834\u89e3\uff0c\u8fd9\u91cc\u81ea\u52a8\u751f\u6210 32 \u4f4d\u5b57\u6bcd\u6570\u5b57\u6df7\u5408\u7684\u76d0\u503c<\/p>\n\n\n\n<p><code>&lt; \/dev\/urandom<\/code>\u8bfb\u53d6\u7cfb\u7edf\u968f\u673a\u6570\u8bbe\u5907<code>\/dev\/urandom<\/code> \u662f Linux \u7cfb\u7edf\u7684\u52a0\u5bc6\u5b89\u5168\u968f\u673a\u6570\u751f\u6210\u5668\uff0c\u6bd4 <code>\/dev\/random<\/code> \u66f4\u5feb\u4e14\u4e0d\u963b\u585e<\/p>\n\n\n\n<p><code>tr -dc '[:alnum:]'<\/code>\u8fc7\u6ee4\u975e\u5b57\u6bcd\u6570\u5b57\u5b57\u7b26<code>-d<\/code> \u5220\u9664\u6307\u5b9a\u5b57\u7b26\uff0c<code>-c<\/code> \u53d6\u53cd\uff0c\u5373\u53ea\u4fdd\u7559\u5b57\u6bcd\uff08a-z\/A-Z\uff09\u548c\u6570\u5b57\uff080-9\uff09<\/p>\n\n\n\n<p><code>head -c <\/code>16\u751f\u6210 16 \u4f4d\u76d0\u503c\uff08SHA-512 \u652f\u6301 1-16 \u4f4d\u76d0\u503c\uff0c16 \u4f4d\u662f\u6700\u4f18\u957f\u5ea6\uff09<\/p>\n\n\n\n<p><code>-stdin<\/code>\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u660e\u6587\u5bc6\u7801\u4ece\u7ba1\u9053\u8bfb\u53d6 <code>echo \"xansun\"<\/code> \u7684\u8f93\u51fa\u4f5c\u4e3a\u660e\u6587\u5bc6\u7801\uff0c\u800c\u975e\u547d\u4ee4\u884c\u53c2\u6570\uff08\u66f4\u5b89\u5168\uff09<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6267\u884c\u547d\u4ee4\u540e\uff0c\u4f1a\u8f93\u51fa\u7c7b\u4f3c\u8fd9\u6837\u7684\u52a0\u5bc6\u5b57\u7b26\u4e32\uff0c\u6bcf\u6b21\u6267\u884c\u8f93\u51fa\u90fd\u4e0d\u540c\uff08\u76d0\u503c\u968f\u673a\uff09\uff0c\u4f46\u90fd\u5bf9\u5e94\u660e\u6587 <code>xansun<\/code>\uff0c\u5178\u578b\u8f93\u51fa\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"954\" height=\"25\" src=\"https:\/\/blog.opshub.com.cn\/wp-content\/uploads\/2026\/01\/image-5.png\" alt=\"\" class=\"wp-image-138\" srcset=\"https:\/\/opshub.com.cn\/wp-content\/uploads\/2026\/01\/image-5.png 954w, https:\/\/opshub.com.cn\/wp-content\/uploads\/2026\/01\/image-5-300x8.png 300w, https:\/\/opshub.com.cn\/wp-content\/uploads\/2026\/01\/image-5-768x20.png 768w\" sizes=\"auto, (max-width: 954px) 100vw, 954px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6838\u5fc3\u547d\u4ee4\uff1a \u547d\u4ee4\u6bb5\u4f5c\u7528\u8be6\u7ec6\u8bf4\u660e echo &#8220;xansun&#8221;\u8f93\u51fa\u660e\u6587\u5bc6\u7801\u63d0\u4f9b\u9700\u8981\u52a0\u5bc6\u7684\u539f\u59cb\u5bc6\u7801 xansun\uff0c\u901a\u8fc7\u7ba1\u9053\u4f20\u9012\u7ed9\u540e\u7eed\u547d\u4ee4&#8220;\u7ba1\u9053\u7b26\u5c06\u524d\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u51fa\u4f5c\u4e3a\u540e\u4e00\u4e2a\u547d\u4ee4\u7684\u8f93\u5165 openssl passwdOpenSSL \u5bc6\u7801\u52a0\u5bc6\u5de5\u5177\u6838\u5fc3\u5de5\u5177\uff0c\u7528\u4e8e\u751f\u6210\u52a0\u5bc6\u7684\u5bc6\u7801\u54c8\u5e0c\u503c -6\u5173\u952e\u53c2\u6570\uff1a\u4f7f\u7528 SHA-512 \u7b97\u6cd5\uff08Linux \u7cfb\u7edf\u9ed8\u8ba4 \/ \u63a8\u8350\u7684\u5bc6\u7801\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5bf9\u5e94 \/etc\/shadow \u4e2d\u5bc6\u7801\u5f00\u5934\u7684 $6$\uff09\uff0c\u5b89\u5168\u6027\u8fdc\u9ad8\u4e8e MD5\uff08-1\uff09 -salt $(&#8230;)\u6307\u5b9a\u76d0\u503c\uff08\u968f\u673a\u751f\u6210\uff09\u76d0\u503c\u662f\u52a0\u5bc6\u65f6\u7684\u968f\u673a\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u9632\u6b62\u5f69\u8679\u8868\u7834\u89e3\uff0c\u8fd9\u91cc\u81ea\u52a8\u751f\u6210 32 \u4f4d\u5b57\u6bcd\u6570\u5b57\u6df7\u5408\u7684\u76d0\u503c &lt; \/dev\/urandom\u8bfb\u53d6\u7cfb\u7edf\u968f\u673a\u6570\u8bbe\u5907\/dev\/urandom \u662f Linux \u7cfb\u7edf\u7684\u52a0\u5bc6\u5b89\u5168\u968f\u673a\u6570\u751f\u6210\u5668\uff0c\u6bd4 \/dev\/random \u66f4\u5feb\u4e14\u4e0d\u963b\u585e tr -dc &#8216;[:alnum:]&#8217;\u8fc7\u6ee4\u975e\u5b57\u6bcd\u6570\u5b57\u5b57\u7b26-d \u5220\u9664\u6307\u5b9a\u5b57\u7b26\uff0c-c \u53d6\u53cd\uff0c\u5373\u53ea\u4fdd\u7559\u5b57\u6bcd\uff08a-z\/A-Z\uff09\u548c\u6570\u5b57\uff080-9\uff09 head -c 16\u751f\u6210 16 \u4f4d\u76d0\u503c\uff08SHA-512 \u652f\u6301 1-16 \u4f4d\u76d0\u503c\uff0c16 \u4f4d\u662f\u6700\u4f18\u957f\u5ea6\uff09 -stdin\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u660e\u6587\u5bc6\u7801\u4ece\u7ba1\u9053\u8bfb\u53d6 echo &#8220;xansun&#8221; \u7684\u8f93\u51fa\u4f5c\u4e3a\u660e\u6587\u5bc6\u7801\uff0c\u800c\u975e\u547d\u4ee4\u884c\u53c2\u6570\uff08\u66f4\u5b89\u5168\uff09 \u6267\u884c\u547d\u4ee4\u540e\uff0c\u4f1a\u8f93\u51fa\u7c7b\u4f3c\u8fd9\u6837\u7684\u52a0\u5bc6\u5b57\u7b26\u4e32\uff0c\u6bcf\u6b21\u6267\u884c\u8f93\u51fa\u90fd\u4e0d\u540c\uff08\u76d0\u503c\u968f\u673a\uff09\uff0c\u4f46\u90fd\u5bf9\u5e94\u660e\u6587 xansun\uff0c\u5178\u578b\u8f93\u51fa\u683c\u5f0f\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-135","post","type-post","status-publish","format-standard","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135"}],"version-history":[{"count":3,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/135\/revisions"}],"predecessor-version":[{"id":668,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/135\/revisions\/668"}],"wp:attachment":[{"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opshub.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}