{"id":5332,"date":"2026-01-31T23:13:56","date_gmt":"2026-01-31T14:13:56","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=5332"},"modified":"2026-06-06T09:54:04","modified_gmt":"2026-06-06T00:54:04","slug":"s2e1xwge9krolw5","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2026\/01\/31\/s2e1xwge9krolw5\/","title":{"rendered":"Linux \u4e0b\u751f\u6210\u4e0e\u7ba1\u7406 Ed25519 SSH Key \u7684\u5b9e\u8df5\u7b14\u8bb0"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u80cc\u666f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u73b0\u4ee3 Linux \u7cfb\u7edf\u4e2d\uff0cSSH \u516c\u94a5\u8ba4\u8bc1\u5df2\u6210\u4e3a\u8fdc\u7a0b\u767b\u5f55\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\u7684\u57fa\u7840\u8bbe\u65bd\u4e4b\u4e00\u3002\u968f\u7740\u5bc6\u7801\u5b66\u5b9e\u8df5\u7684\u6f14\u8fdb\uff0cEd25519 \u5df2\u6210\u4e3a OpenSSH \u5b98\u65b9\u63a8\u8350\u7684\u9ed8\u8ba4\u7b97\u6cd5\u3002\u672c\u6587\u8bb0\u5f55\u5728 Linux \u73af\u5883\u4e0b\u751f\u6210 Ed25519 SSH key \u7684<strong>\u6700\u5c0f\u4e14\u5b89\u5168<\/strong>\u505a\u6cd5\uff0c\u5e76\u6f84\u6e05\u82e5\u5e72\u5e38\u89c1\u8bef\u89e3\uff0c\u91cd\u70b9\u9762\u5411\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf\u53f0\u7cfb\u7edf\u5404\u81ea\u7ef4\u62a4\u4e00\u628a SSH key<\/li>\n\n\n\n<li>\u4e0d\u4f9d\u8d56 GUI\uff0c\u4e0d\u5f15\u5165\u989d\u5916\u5de5\u5177<\/li>\n\n\n\n<li>\u5173\u6ce8\u957f\u671f\u53ef\u7ef4\u62a4\u6027\u4e0e\u53ef\u91cd\u590d\u6027<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u6587\u4ec5\u6d89\u53ca\u4e8b\u5b9e\u4e0e\u673a\u5236\uff0c\u4e0d\u5305\u542b\u4e2a\u4eba\u504f\u597d\u6216\u67b6\u6784\u5efa\u8bae\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u63a8\u8350\u7684\u7b97\u6cd5\u9009\u62e9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u524d\u65f6\u95f4\u8282\u70b9\uff082025\u20132026 \u5e74\u524d\u540e\uff09\uff0c\u5728 OpenSSH \u73af\u5883\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ed25519<\/strong> \u662f\u9ed8\u8ba4\u63a8\u8350\u7b97\u6cd5<\/li>\n\n\n\n<li>\u76f8\u6bd4 RSA\uff0ckey \u66f4\u77ed\u3001\u8ba1\u7b97\u66f4\u5feb\u3001\u5b9e\u73b0\u66f4\u7b80\u6d01<\/li>\n\n\n\n<li>\u5b89\u5168\u6027\u5728\u53ef\u9884\u671f\u7684\u672a\u6765\u4ecd\u7136\u5145\u8db3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u4ee5\u4e0b\u793a\u4f8b\u5747\u4ee5 Ed25519 \u4e3a\u524d\u63d0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u751f\u6210 Ed25519 SSH Key \u7684\u6807\u51c6\u547d\u4ee4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 Linux \u547d\u4ee4\u884c\u4e0b\uff0c\u751f\u6210\u4e00\u628a\u504f\u5b89\u5168\u53d6\u5411\u7684 Ed25519 key\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh-keygen -t ed25519 -a 100 -f ~\/.ssh\/id_ed25519_$(hostname) -C \"$(hostname)\"\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u53c2\u6570\u8bf4\u660e<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>-t ed25519<\/code><br>\u6307\u5b9a\u4f7f\u7528 Ed25519 \u7b97\u6cd5\u3002<\/li>\n\n\n\n<li><code>-a 100<\/code><br>\u8bbe\u7f6e KDF\uff08Key Derivation Function\uff09\u8fed\u4ee3\u6b21\u6570\uff0c\u7528\u4e8e\u4fdd\u62a4\u79c1\u94a5 passphrase\uff0c\u63d0\u5347\u6297\u79bb\u7ebf\u66b4\u529b\u7834\u89e3\u80fd\u529b\u3002<\/li>\n\n\n\n<li><code>-f ~\/.ssh\/id_ed25519_$(hostname)<\/code><br>\u6307\u5b9a\u8f93\u51fa\u6587\u4ef6\u540d\u3002\u6b64\u5904\u4f7f\u7528\u4e3b\u673a\u540d\uff0c\u4ec5\u7528\u4e8e<strong>\u6587\u4ef6\u533a\u5206<\/strong>\uff0c\u4e0d\u53c2\u4e0e\u8ba4\u8bc1\u903b\u8f91\u3002<\/li>\n\n\n\n<li><code>-C \"$(hostname)\"<\/code><br>\u8bbe\u7f6e\u516c\u94a5\u6ce8\u91ca\uff08comment\uff09\uff0c\u7528\u4e8e\u4eba\u5de5\u8bc6\u522b key \u6765\u6e90\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\u540e\u5c06\u751f\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>~\/.ssh\/id_ed25519_&lt;hostname&gt;        # \u79c1\u94a5\n~\/.ssh\/id_ed25519_&lt;hostname&gt;.pub    # \u516c\u94a5\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5173\u4e8e passphrase<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u6210\u8fc7\u7a0b\u4e2d\u4f1a\u63d0\u793a\u8f93\u5165 passphrase\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>passphrase \u662f\u79c1\u94a5\u7684\u7b2c\u4e8c\u9053\u4fdd\u62a4<\/li>\n\n\n\n<li>\u4e0d\u5f71\u54cd SSH \u534f\u8bae\u672c\u8eab<\/li>\n\n\n\n<li>\u53ef\u4e0e ssh-agent \u914d\u5408\uff0c\u907f\u514d\u9891\u7e41\u8f93\u5165<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u662f\u5426\u8bbe\u7f6e passphrase \u4e0d\u5f71\u54cd key \u7684\u6570\u5b66\u6709\u6548\u6027\uff0c\u4f46\u4f1a\u5f71\u54cd\u79c1\u94a5\u6cc4\u9732\u540e\u7684\u98ce\u9669\u7b49\u7ea7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u516c\u94a5\u6700\u540e\u7684\u201c\u540d\u5b57\u201d\u662f\u4ec0\u4e48\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684 Ed25519 \u516c\u94a5\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAI\u2026 example-name\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u7ed3\u6784\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#091;\u7b97\u6cd5] &#091;base64 \u7f16\u7801\u7684\u516c\u94a5\u4e3b\u4f53] &#091;comment]\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u524d\u4e24\u90e8\u5206<\/strong>\uff1a\u53c2\u4e0e SSH \u8ba4\u8bc1\u6821\u9a8c<\/li>\n\n\n\n<li><strong>\u6700\u540e\u4e00\u90e8\u5206\uff08comment\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7eaf\u6587\u672c\u6ce8\u91ca<\/li>\n\n\n\n<li>\u4ec5\u4f9b\u4eba\u7c7b\u9605\u8bfb<\/li>\n\n\n\n<li>SSH \u8ba4\u8bc1\u65f6\u5b8c\u5168\u5ffd\u7565<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u4fee\u6539\u4e3b\u673a\u540d\u6216\u6ce8\u91ca\u662f\u5426\u5f71\u54cd key \u53ef\u7528\u6027\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u8bba\u975e\u5e38\u660e\u786e\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u4f1a\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">SSH key \u7684\u53ef\u7528\u6027\u53ea\u53d6\u51b3\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u79c1\u94a5<\/li>\n\n\n\n<li>\u4e0e\u4e4b\u5339\u914d\u7684\u516c\u94a5\u4e3b\u4f53<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0e\u4ee5\u4e0b\u5185\u5bb9<strong>\u5b8c\u5168\u65e0\u5173<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u673a\u540d\u662f\u5426\u53d8\u66f4<\/li>\n\n\n\n<li>key \u6587\u4ef6\u540d<\/li>\n\n\n\n<li>\u516c\u94a5 comment \u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cfb\u7edf hostname \u5df2\u4fee\u6539<\/li>\n\n\n\n<li>\u516c\u94a5 comment \u4ecd\u4e3a\u65e7\u540d\u79f0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u8981\u79c1\u94a5\u4e0e\u516c\u94a5\u4e3b\u4f53\u5339\u914d\uff0cSSH \u8ba4\u8bc1\u4ecd\u7136\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u4fee\u6539\u516c\u94a5 comment \u7684\u65b9\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 ssh-keygen\uff08\u63a8\u8350\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>ssh-keygen -c -f ~\/.ssh\/id_ed25519_xxx -C \"new-name\"\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u751f\u6210\u65b0 key<\/li>\n\n\n\n<li>\u4e0d\u6539\u53d8\u79c1\u94a5<\/li>\n\n\n\n<li>\u4ec5\u66f4\u65b0 <code>.pub<\/code> \u6587\u4ef6\u4e2d\u7684 comment<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5\u4e8c\uff1a\u76f4\u63a5\u7f16\u8f91 <code>.pub<\/code> \u6587\u4ef6<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>vim ~\/.ssh\/id_ed25519_xxx.pub\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u4fee\u6539\u6700\u540e\u4e00\u6bb5\u6587\u672c\u5373\u53ef\uff0c\u4e0d\u5f71\u54cd\u4efb\u4f55\u8ba4\u8bc1\u884c\u4e3a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u4e00\u4e2a\u5bb9\u6613\u6df7\u6dc6\u7684\u70b9\uff1aksshaskpass<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 KDE \u7b49\u684c\u9762\u73af\u5883\u4e2d\uff0c\u751f\u6210\u6216\u4f7f\u7528 SSH key \u65f6\u53ef\u80fd\u5f39\u51fa\u56fe\u5f62\u5316\u5bc6\u7801\u8f93\u5165\u6846\uff0c\u8fd9\u901a\u5e38\u7531 <code>ksshaskpass<\/code> \u63d0\u4f9b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u660e\u786e\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u751f\u6210 key \u7684\u547d\u4ee4\u59cb\u7ec8\u662f <code>ssh-keygen<\/code><\/strong><\/li>\n\n\n\n<li><code>ksshaskpass<\/code> \u53ea\u8d1f\u8d23 passphrase \u7684 GUI \u8f93\u5165<\/li>\n\n\n\n<li>\u4e0d\u5b58\u5728\u540d\u4e3a <code>ksshkeygen<\/code> \u7684\u5de5\u5177<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ed25519 \u662f\u5f53\u524d Linux \/ OpenSSH \u73af\u5883\u4e0b\u7684\u9ed8\u8ba4\u4f18\u9009\u7b97\u6cd5<\/li>\n\n\n\n<li><code>ssh-keygen<\/code> \u662f\u552f\u4e00\u9700\u8981\u4f7f\u7528\u7684\u751f\u6210\u5de5\u5177<\/li>\n\n\n\n<li>\u516c\u94a5\u4e2d\u7684 comment \u53ef\u968f\u610f\u4fee\u6539\uff0c\u4e0d\u5f71\u54cd\u8ba4\u8bc1<\/li>\n\n\n\n<li>\u4e3b\u673a\u540d\u53d8\u66f4\u4e0d\u4f1a\u5bfc\u81f4 SSH key \u5931\u6548<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SSH key \u672c\u8d28\u4e0a\u662f\u6570\u5b66\u5bf9\u8c61\uff0c\u800c\u975e\u201c\u7ed1\u5b9a\u540d\u79f0\u7684\u51ed\u8bc1\u201d\u3002\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u6709\u52a9\u4e8e\u957f\u671f\u7ef4\u62a4\u5927\u91cf\u7cfb\u7edf\u4e0e key \u65f6\u4fdd\u6301\u786e\u5b9a\u6027\u4e0e\u53ef\u63a7\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u80cc\u666f \u5728\u73b0\u4ee3 Linux \u7cfb\u7edf\u4e2d\uff0cSSH \u516c\u94a5\u8ba4\u8bc1\u5df2\u6210\u4e3a\u8fdc\u7a0b\u767b\u5f55\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\u7684\u57fa\u7840\u8bbe\u65bd\u4e4b\u4e00\u3002\u968f\u7740\u5bc6\u7801\u5b66\u5b9e\u8df5\u7684\u6f14\u8fdb\uff0cEd25519 \u5df2\u6210\u4e3a OpenSSH \u5b98\u65b9\u63a8\u8350\u7684\u9ed8\u8ba4\u7b97\u6cd5\u3002\u672c\u6587\u8bb0\u5f55\u5728 Linux \u73af\u5883\u4e0b\u751f\u6210 Ed25519 SSH key \u7684\u6700\u5c0f\u4e14\u5b89\u5168\u505a\u6cd5\uff0c\u5e76\u6f84\u6e05\u82e5\u5e72\u5e38\u89c1\u8bef\u89e3\uff0c\u91cd\u70b9\u9762\u5411\uff1a \u5168\u6587\u4ec5\u6d89\u53ca\u4e8b\u5b9e\u4e0e\u673a\u5236\uff0c\u4e0d\u5305\u542b\u4e2a\u4eba\u504f\u597d\u6216\u67b6\u6784\u5efa\u8bae\u3002 \u4e00\u3001\u63a8\u8350\u7684\u7b97\u6cd5\u9009\u62e9 \u5f53\u524d\u65f6\u95f4\u8282\u70b9\uff082025\u20132026 \u5e74\u524d\u540e\uff09\uff0c\u5728 OpenSSH \u73af\u5883\u4e2d\uff1a \u56e0\u6b64\uff0c\u4ee5\u4e0b\u793a\u4f8b\u5747\u4ee5 Ed25519 \u4e3a\u524d\u63d0\u3002 \u4e8c\u3001\u751f\u6210 Ed25519 SSH Key \u7684\u6807\u51c6\u547d\u4ee4 \u5728 Linux \u547d\u4ee4\u884c\u4e0b\uff0c\u751f\u6210\u4e00\u628a\u504f\u5b89\u5168\u53d6\u5411\u7684 Ed25519 key\uff1a \u53c2\u6570\u8bf4\u660e \u6267\u884c\u540e\u5c06\u751f\u6210\uff1a \u4e09\u3001\u5173\u4e8e passphrase \u751f\u6210\u8fc7\u7a0b\u4e2d\u4f1a\u63d0\u793a\u8f93\u5165 passphrase\uff1a \u662f\u5426\u8bbe\u7f6e passphrase \u4e0d\u5f71\u54cd key \u7684\u6570\u5b66\u6709\u6548\u6027\uff0c\u4f46\u4f1a\u5f71\u54cd\u79c1\u94a5\u6cc4\u9732\u540e\u7684\u98ce\u9669\u7b49\u7ea7\u3002 \u56db\u3001\u516c\u94a5\u6700\u540e\u7684\u201c\u540d\u5b57\u201d\u662f\u4ec0\u4e48\uff1f \u5178\u578b\u7684 Ed25519 \u516c\u94a5\u5185\u5bb9\u5982\u4e0b\uff1a \u5176\u7ed3\u6784\u4e3a\uff1a \u5176\u4e2d\uff1a &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-5332","post","type-post","status-publish","format-standard","hentry","category-jtcspxsyrult"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/comments?post=5332"}],"version-history":[{"count":1,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5332\/revisions"}],"predecessor-version":[{"id":5333,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5332\/revisions\/5333"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=5332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=5332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=5332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}