# $OpenBSD: keytype.sh,v 1.6 2017/10/30 22:01:52 djm Exp $ # Placed in the Public Domain. tid="login with different key types" cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak cp $OBJ/ssh_proxy $OBJ/ssh_proxy_bak # Traditional and builtin key types. ktypes="dsa-1024 rsa-2048 rsa-3072 ed25519-512" # Types not present in all OpenSSL versions. for i in `$SSH -Q key`; do case "$i" in ecdsa-sha2-nistp256) ktypes="$ktypes ecdsa-256" ;; ecdsa-sha2-nistp384) ktypes="$ktypes ecdsa-384" ;; ecdsa-sha2-nistp521) ktypes="$ktypes ecdsa-521" ;; esac done for kt in $ktypes; do rm -f $OBJ/key.$kt bits=`echo ${kt} | awk -F- '{print $2}'` type=`echo ${kt} | awk -F- '{print $1}'` verbose "keygen $type, $bits bits" ${SSHKEYGEN} -b $bits -q -N '' -t $type -f $OBJ/key.$kt ||\ fail "ssh-keygen for type $type, $bits bits failed" done tries="1 2 3" for ut in $ktypes; do htypes=$ut #htypes=$ktypes for ht in $htypes; do case $ht in dsa-1024) t=ssh-dss;; ecdsa-256) t=ecdsa-sha2-nistp256;; ecdsa-384) t=ecdsa-sha2-nistp384;; ecdsa-521) t=ecdsa-sha2-nistp521;; ed25519-512) t=ssh-ed25519;; rsa-*) t=ssh-rsa;; esac trace "ssh connect, userkey $ut, hostkey $ht" ( grep -v HostKey $OBJ/sshd_proxy_bak echo HostKey $OBJ/key.$ht echo PubkeyAcceptedKeyTypes $t echo HostKeyAlgorithms $t ) > $OBJ/sshd_proxy ( grep -v IdentityFile $OBJ/ssh_proxy_bak echo IdentityFile $OBJ/key.$ut echo PubkeyAcceptedKeyTypes $t echo HostKeyAlgorithms $t ) > $OBJ/ssh_proxy ( printf 'localhost-with-alias,127.0.0.1,::1 ' cat $OBJ/key.$ht.pub ) > $OBJ/known_hosts cat $OBJ/key.$ut.pub > $OBJ/authorized_keys_$USER for i in $tries; do verbose "userkey $ut, hostkey ${ht}" ${SSH} -F $OBJ/ssh_proxy 999.999.999.999 true if [ $? -ne 0 ]; then fail "ssh userkey $ut, hostkey $ht failed" fi done done done