$ ssh-keygen -E md5 -lf id_rsa
2048 MD5:3a:d4:61:17:a0:61:92:f1:3e:55:be:b3:cd:4c:fa:6f

$ ssh-keygen -E md5 -lf id_dsa.pub
1024 MD5:6c:42:ea:84:54:e5:49:b8:55:ca:dd:7f:c8:66:09:ca

$ ssh-keygen -E md5 -lf id_ecdsa.pub
256 MD5:10:0b:0d:5f:53:a3:6e:63:dc:42:08:55:52:cd:c3:40

$ ssh-keygen -E md5 -lf id_ecdsa384.pub
384 MD5:8c:f3:73:6c:4a:28:cf:2b:d6:3b:bf:32:78:d0:06:30

$ ssh-keygen -E md5 -lf id_ecdsa521.pub
521 MD5:90:4d:4c:50:be:87:9b:f0:55:7a:f9:6b:99:35:f1:c2

$ ssh-keygen -E md5 -lf id_ed25519.pub
256 MD5:2c:9b:ea:2e:9a:4c:e1:fb:44:38:d8:54:b2:72:04:b3