ssh-keygen -l -f 鍵ファイル で可能.鍵は公開鍵秘密鍵どちらでもOK(もちろん同じ鍵ペアだと同じ結果が帰って来る). $ ssh-keygen -l -f /etc/ssh/ssh_host_dsa_key.pub 1024 29:3f:e1:d7:12:9e:9b:47:07:77:6e:3d:98:87:ba:63 /etc/ssh/ssh_host_dsa_key.pub (DSA) $ ssh-keygen -l -f /etc/ssh/ssh_host_rsa_key.pub 2048 31:3a:2d:90:c5:21:ef:bd:a9:d9:a3:f9:00:48:e0:fc /etc/ssh/ssh_host_rsa_key.pub (RSA) $ ssh-keygen -l -f /etc/ssh/ssh_host_ecdsa_key.pub 256 1a
![ssh鍵の鍵指紋を表示 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/277cfa595a3571f8230e5d190a77c8e932b9205a/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9c3NoJUU5JThEJUI1JUUzJTgxJUFFJUU5JThEJUI1JUU2JThDJTg3JUU3JUI0JThCJUUzJTgyJTkyJUU4JUExJUE4JUU3JUE0JUJBJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmdHh0LWNsaXA9ZWxsaXBzaXMmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz02NGY0MDIzZWMxY2JjZDcxMGRlZTAzZmEyYTQ1NWUyZg%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwbWF0b2tlbiZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9NjViYTk1OTljZmUyZWFjMDY2NjE0YWZiZTAyODkwNDM%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D20930735fb27ab22955e8d18818d1870)