Dmitri's known_hosts file's ECDSA and RSA keys for mc100 # diff /home/drozmano/.ssh/known_hosts /home/drozmano/.ssh/known_hosts-bak 1130a1131 > 172.19.8.76 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAzqC3P7SicZm/Mr2vCUVXWQENj8gzZ4PQrmyF/xYSc7BTDS8tX/fYUSHF2tIJ9PzP0J/Bv0Krful4GImJ3OfU+On8naRSLBXj5bCWLMwUoSI5UV3YOp+klPedR+Q+5UkaWk32sd12+k2Aaq5YkAcYZX2GeZxd3hEiP33jjoNlot8YE4Pfv/xsYNeZha9Ye+uRWsiT4oc60KyskzKcQEWFfrTPfSbwfHzLp97AE7tTaAUFYqapmj7A5F0pb1k4wpwpSJYRtn93ameDMr1NBnl5UTomKb+i9Xr5f35yQ7FAtNWrriTD3cCBFwd7oJc0iZiUsGyjRiwoo0TdJSzhDw04lQ== 1195d1195 < 172.19.8.76 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBGHTl35/+tMSYozqwolbqCoKknnErsTDwnr3n980ClZduLkOPRHE2zDymPQLzNoNsPfNHwl9HQj3Vj2SBnhYm5Q= The SSH keys reported by mc100 right now ~ % ssh-fingerprint mc100 md5 2048 MD5:b8:ec:9d:56:28:4e:ab:2b:e9:68:20:1a:2e:86:e6:92 mc100 (RSA) 256 MD5:1b:ca:7b:d2:c9:bf:b5:92:fb:aa:35:f8:aa:a4:16:0c mc100 (ECDSA) 256 MD5:0e:c9:ef:52:9c:0b:8f:2e:3a:11:13:1d:ab:04:81:e3 mc100 (ED25519) Dmitri's ECDSA key matches ~ % echo "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBGHTl35/+tMSYozqwolbqCoKknnErsTDwnr3n980ClZduLkOPRHE2zDymPQLzNoNsPfNHwl9HQj3Vj2SBnhYm5Q=" > /tmp/xxxxxxxxx ~ % ssh-keygen -lf /tmp/xxxxxxxxx -E md5 256 MD5:1b:ca:7b:d2:c9:bf:b5:92:fb:aa:35:f8:aa:a4:16:0c no comment (ECDSA) Dmitri's for the RSA key ~ % echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAzqC3P7SicZm/Mr2vCUVXWQENj8gzZ4PQrmyF/xYSc7BTDS8tX/fYUSHF2tIJ9PzP0J/Bv0Krful4GImJ3OfU+On8naRSLBXj5bCWLMwUoSI5UV3YOp+klPedR+Q+5UkaWk32sd12+k2Aaq5YkAcYZX2GeZxd3hEiP33jjoNlot8YE4Pfv/xsYNeZha9Ye+uRWsiT4oc60KyskzKcQEWFfrTPfSbwfHzLp97AE7tTaAUFYqapmj7A5F0pb1k4wpwpSJYRtn93ameDMr1NBnl5UTomKb+i9Xr5f35yQ7FAtNWrriTD3cCBFwd7oJc0iZiUsGyjRiwoo0TdJSzhDw04lQ==" > /tmp/xxxxxxxxx ~ % ssh-keygen -lf /tmp/xxxxxxxxx -E md5 2048 MD5:b8:ec:9d:56:28:4e:ab:2b:e9:68:20:1a:2e:86:e6:92 no comment (RSA)